darkcomet | 1972fbe99a0b8bb2ee311d647e1edddd641101e88a90dd996f2ded32ffa0739e

General

Target

JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe
Size

672KB
MD5

a45910227b2972631ea2c572157d2eae
SHA1

40216c90ed63c37017110e44bdc681256043fb04
SHA256

1972fbe99a0b8bb2ee311d647e1edddd641101e88a90dd996f2ded32ffa0739e
SHA512

1273b1e318127b366da328402f67670c65d9c017688b5d945515868a49e9b5e6df8295a9e015fdbfa135b9bc17fa0c14e41c2bc392aa9f43fe92ddd23cd4719f
SSDEEP

12288:tfVHOoBQsfPyok7xlDDSMcEuv5I1I7FRfP+mxLnEdhDygtNUh+aExrc9F:X1Sbg1fnuhey7P

Score

10^/10

darkcomet discovery rat trojan upx

Malware Config

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2572 set thread context of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31

UPX packed file 15 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2060-9-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-10-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-8-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-5-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-3-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-11-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-13-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-16-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-15-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-14-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-19-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-18-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-17-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-20-0x0000000000400000-0x00000000004B3000-memory.dmp	upx
behavioral1/memory/2060-23-0x0000000000400000-0x00000000004B3000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeDebugPrivilege	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe
Token: SeIncreaseQuotaPrivilege	2060	vbc.exe
Token: SeSecurityPrivilege	2060	vbc.exe
Token: SeTakeOwnershipPrivilege	2060	vbc.exe
Token: SeLoadDriverPrivilege	2060	vbc.exe
Token: SeSystemProfilePrivilege	2060	vbc.exe
Token: SeSystemtimePrivilege	2060	vbc.exe
Token: SeProfSingleProcessPrivilege	2060	vbc.exe
Token: SeIncBasePriorityPrivilege	2060	vbc.exe
Token: SeCreatePagefilePrivilege	2060	vbc.exe
Token: SeBackupPrivilege	2060	vbc.exe
Token: SeRestorePrivilege	2060	vbc.exe
Token: SeShutdownPrivilege	2060	vbc.exe
Token: SeDebugPrivilege	2060	vbc.exe
Token: SeSystemEnvironmentPrivilege	2060	vbc.exe
Token: SeChangeNotifyPrivilege	2060	vbc.exe
Token: SeRemoteShutdownPrivilege	2060	vbc.exe
Token: SeUndockPrivilege	2060	vbc.exe
Token: SeManageVolumePrivilege	2060	vbc.exe
Token: SeImpersonatePrivilege	2060	vbc.exe
Token: SeCreateGlobalPrivilege	2060	vbc.exe
Token: 33	2060	vbc.exe
Token: 34	2060	vbc.exe
Token: 35	2060	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2060	vbc.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2572 wrote to memory of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31
PID 2572 wrote to memory of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31
PID 2572 wrote to memory of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31
PID 2572 wrote to memory of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31
PID 2572 wrote to memory of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31
PID 2572 wrote to memory of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31
PID 2572 wrote to memory of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31
PID 2572 wrote to memory of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31
PID 2572 wrote to memory of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31
PID 2572 wrote to memory of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31
PID 2572 wrote to memory of 2060	2572	JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_a45910227b2972631ea2c572157d2eae.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2572
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2060

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2060-11-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-9-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-13-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-16-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-8-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-6-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2060-5-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-3-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-23-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-1-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-10-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-15-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-14-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-19-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-18-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-17-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2060-20-0x0000000000400000-0x00000000004B3000-memory.dmp

Filesize
716KB

Download
memory/2572-0-0x0000000074A42000-0x0000000074A44000-memory.dmp

Filesize
8KB

Download

Analysis

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