darkcomet | 58087ed79e27b0405194c88b3609bbe86661e96e47a29cb404b1677bc7d1b064

General

Target

796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe
Size

302KB
MD5

796ca252d22e3e023afeb6c425bc0453
SHA1

379edbd8781f343d6f34c522f9296e1a397c3d35
SHA256

58087ed79e27b0405194c88b3609bbe86661e96e47a29cb404b1677bc7d1b064
SHA512

7bc83ffd2dfb57c0b44679b7fb36fc2579f1c30617393cd79aee866ee5e003b045dcf364c6048a615a93ea3790156c9f21d9dc8065b86b9d555b73e721ea3876
SSDEEP

6144:GwUKGgP43IwXCB0G0+nB4RhRVQjSo51Wca+7rbUbds00cJuEpbR+:GwfLOIoCONC4PRVeSo5Yca4P9WJuE

Score

10^/10

darkcomet jdb discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

JDB

C2

runescaperz.no-ip.biz:1604

Mutex

DC_MUTEX-SUHF9N2

Attributes

gencode
P6Yofa2qlPLp
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet

UPX packed file 22 IoCs

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

upx

resource	yara_rule
behavioral2/memory/744-3-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-4-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-6-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-7-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-9-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-10-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-8-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-12-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-13-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-14-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-15-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-16-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-17-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-18-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-19-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-20-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-21-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-22-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-23-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-24-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-25-0x0000000000400000-0x00000000004BA000-memory.dmp	upx
behavioral2/memory/744-26-0x0000000000400000-0x00000000004BA000-memory.dmp	upx

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3160 set thread context of 744	3160	796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe	79

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	796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	744	vbc.exe
Token: SeSecurityPrivilege	744	vbc.exe
Token: SeTakeOwnershipPrivilege	744	vbc.exe
Token: SeLoadDriverPrivilege	744	vbc.exe
Token: SeSystemProfilePrivilege	744	vbc.exe
Token: SeSystemtimePrivilege	744	vbc.exe
Token: SeProfSingleProcessPrivilege	744	vbc.exe
Token: SeIncBasePriorityPrivilege	744	vbc.exe
Token: SeCreatePagefilePrivilege	744	vbc.exe
Token: SeBackupPrivilege	744	vbc.exe
Token: SeRestorePrivilege	744	vbc.exe
Token: SeShutdownPrivilege	744	vbc.exe
Token: SeDebugPrivilege	744	vbc.exe
Token: SeSystemEnvironmentPrivilege	744	vbc.exe
Token: SeChangeNotifyPrivilege	744	vbc.exe
Token: SeRemoteShutdownPrivilege	744	vbc.exe
Token: SeUndockPrivilege	744	vbc.exe
Token: SeManageVolumePrivilege	744	vbc.exe
Token: SeImpersonatePrivilege	744	vbc.exe
Token: SeCreateGlobalPrivilege	744	vbc.exe
Token: 33	744	vbc.exe
Token: 34	744	vbc.exe
Token: 35	744	vbc.exe
Token: 36	744	vbc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
744	vbc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3160 wrote to memory of 744	3160	796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe	79
PID 3160 wrote to memory of 744	3160	796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe	79
PID 3160 wrote to memory of 744	3160	796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe	79
PID 3160 wrote to memory of 744	3160	796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe	79
PID 3160 wrote to memory of 744	3160	796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe	79
PID 3160 wrote to memory of 744	3160	796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe	79
PID 3160 wrote to memory of 744	3160	796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe	79
PID 3160 wrote to memory of 744	3160	796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe	79

C:\Users\Admin\AppData\Local\Temp\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\796ca252d22e3e023afeb6c425bc0453_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3160
- 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:744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

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/744-13-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-23-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-26-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-3-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-4-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-6-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-7-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-9-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-10-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-25-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-8-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-12-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-24-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-14-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-19-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-16-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-17-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-18-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-15-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-20-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-21-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/744-22-0x0000000000400000-0x00000000004BA000-memory.dmp

Filesize
744KB

Download
memory/3160-0-0x0000000075462000-0x0000000075463000-memory.dmp

Filesize
4KB

Download
memory/3160-1-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/3160-11-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download
memory/3160-2-0x0000000075460000-0x0000000075A11000-memory.dmp

Filesize
5.7MB

Download

Analysis

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