Malware Analysis Report

2025-04-13 22:43

Sample ID 250301-1l5hnsttds
Target JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3
SHA256 824f48b8bade0ad90f4bc7c91f0b29395d1f38fc16f090772dba4aec6680c8ce
Tags
darkcomet guest16 defense_evasion discovery rat 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: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

824f48b8bade0ad90f4bc7c91f0b29395d1f38fc16f090772dba4aec6680c8ce

Threat Level: Known bad

The file JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3 was found to be: Known bad.

Malicious Activity Summary

darkcomet guest16 defense_evasion discovery rat trojan

Darkcomet family

Darkcomet

Identifies Wine through registry keys

Checks BIOS information in registry

Suspicious use of SetThreadContext

Suspicious use of NtSetInformationThreadHideFromDebugger

Program crash

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious behavior: GetForegroundWindowSpam

Suspicious behavior: EnumeratesProcesses

Enumerates system info in registry

Checks processor information in registry

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-03-01 21:45

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2025-03-01 21:45

Reported

2025-03-01 21:47

Platform

win7-20250207-en

Max time kernel

149s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe"

Signatures

Darkcomet

trojan rat darkcomet

Darkcomet family

darkcomet

Checks BIOS information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate C:\Windows\SysWOW64\explorer.exe N/A

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Key opened \REGISTRY\USER\S-1-5-21-677481364-2238709445-1347953534-1000\Software\Wine C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of NtSetInformationThreadHideFromDebugger

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2488 set thread context of 1860 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe C:\Windows\SysWOW64\explorer.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\explorer.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Windows\SysWOW64\explorer.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\SysWOW64\explorer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier C:\Windows\SysWOW64\explorer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier C:\Windows\SysWOW64\explorer.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A

Enumerates system info in registry

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
N/A N/A C:\Windows\SysWOW64\explorer.exe N/A

Suspicious behavior: GetForegroundWindowSpam

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

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncreaseQuotaPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeSecurityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeSystemtimePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeBackupPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeRestorePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeUndockPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeManageVolumePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: 33 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: 34 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: 35 N/A C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A
Token: SeIncreaseQuotaPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeSecurityPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeTakeOwnershipPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeLoadDriverPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeSystemProfilePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeSystemtimePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeProfSingleProcessPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeIncBasePriorityPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeBackupPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeRestorePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeSystemEnvironmentPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeChangeNotifyPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeRemoteShutdownPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeUndockPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeManageVolumePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeImpersonatePrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: SeCreateGlobalPrivilege N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: 33 N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: 34 N/A C:\Windows\SysWOW64\explorer.exe N/A
Token: 35 N/A C:\Windows\SysWOW64\explorer.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe"

C:\Windows\SysWOW64\explorer.exe

"C:\Windows\SysWOW64\explorer.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 thefucker.no-ip.org udp

Files

memory/2488-0-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/2488-3-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/2488-2-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-11-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-12-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/2488-4-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/2488-15-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-14-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-16-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/2488-10-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-9-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/1860-5-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/2488-1-0x0000000000401000-0x00000000004AF000-memory.dmp

memory/1860-29-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-38-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/2488-40-0x0000000000401000-0x00000000004AF000-memory.dmp

memory/1860-37-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-36-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-35-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-34-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-33-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-32-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-31-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-30-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-28-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-27-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-26-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-25-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-24-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-23-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-22-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-21-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-20-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-19-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-18-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-17-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-39-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-41-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-42-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-43-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-49-0x00000000027F0000-0x00000000027F1000-memory.dmp

memory/1860-48-0x0000000002170000-0x0000000002171000-memory.dmp

memory/1860-47-0x00000000021C0000-0x00000000021C2000-memory.dmp

memory/1860-46-0x0000000002160000-0x0000000002161000-memory.dmp

memory/1860-45-0x0000000002280000-0x0000000002281000-memory.dmp

memory/1860-44-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-59-0x0000000002430000-0x0000000002431000-memory.dmp

memory/1860-58-0x0000000000300000-0x0000000000301000-memory.dmp

memory/1860-57-0x0000000002480000-0x0000000002481000-memory.dmp

memory/1860-56-0x0000000002D40000-0x0000000002D42000-memory.dmp

memory/1860-55-0x0000000002380000-0x0000000002381000-memory.dmp

memory/1860-54-0x00000000025F0000-0x00000000025F1000-memory.dmp

memory/1860-53-0x0000000002370000-0x0000000002371000-memory.dmp

memory/1860-52-0x00000000024A0000-0x00000000024A1000-memory.dmp

memory/1860-51-0x0000000002610000-0x0000000002611000-memory.dmp

memory/1860-50-0x0000000002490000-0x0000000002491000-memory.dmp

memory/1860-60-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-61-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-63-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-62-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-65-0x0000000002760000-0x0000000002761000-memory.dmp

memory/1860-64-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-66-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/1860-67-0x0000000000300000-0x0000000000301000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2025-03-01 21:45

Reported

2025-03-01 21:47

Platform

win10v2004-20250217-en

Max time kernel

149s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe"

Signatures

Identifies Wine through registry keys

defense_evasion
Description Indicator Process Target
Key opened \REGISTRY\USER\S-1-5-21-22591836-1183090055-1220658180-1000\Software\Wine C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe

"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_3bc7809554b438e8c5f74459ea71c5b3.exe"

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 640 -ip 640

C:\Windows\SysWOW64\WerFault.exe

C:\Windows\SysWOW64\WerFault.exe -u -p 640 -s 284

Network

Country Destination Domain Proto
US 150.171.28.10:443 tcp
US 150.171.28.10:443 tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp

Files

memory/640-0-0x0000000000400000-0x00000000005A1000-memory.dmp

memory/640-1-0x0000000000400000-0x00000000005A1000-memory.dmp