darkcomet | e34f45ed480910fd0afdc69940a50e1bd01d3f915baec6157c80e6aca1e30b51

General

Target

09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe
Size

720KB
MD5

09cc9d16bb39e4b44c5c64180f6799f7
SHA1

062b9cb57533b837606c8fb4cb697e429a0167bc
SHA256

e34f45ed480910fd0afdc69940a50e1bd01d3f915baec6157c80e6aca1e30b51
SHA512

1614a95ca803b26b86d39a89e799c2a486408e0dcc9532d11b311b4544a4174e80df48a2a56d47200dba8bb7636486609c6d2af77611869f20cf23ed0a08ca98
SSDEEP

12288:eGM4MxmJbZfcpnfRqbUdjnY2+Gn7TYCb02nBTEBfmYaOVK9jnDyu:eGMf4bZfcNfRqbUtY2Pn7TJbfrlDyu

Score

10^/10

darkcomet cryptex persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

cryptex

C2

174.127.99.223:3579

Mutex

DC_MUTEX-Y2XTU10

Attributes

gencode
8ufuwbae95bK
install
false
offline_keylogger
true
persistence
false

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Executes dropped EXE 1 IoCs

Processes:

explorer.exe

pid process

2280 explorer.exe
Loads dropped DLL 1 IoCs

Processes:

09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe

pid process

2008 09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe

pid	process
2280	explorer.exe

pid	process
2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\Microsoft Essentials = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MsMpEng.exe"	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe

description pid process target process

PID 2008 set thread context of 2280 2008 09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe explorer.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 2008 set thread context of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exeexplorer.exe

description	pid	process
Token: SeDebugPrivilege	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2280	explorer.exe
Token: SeSecurityPrivilege	2280	explorer.exe
Token: SeTakeOwnershipPrivilege	2280	explorer.exe
Token: SeLoadDriverPrivilege	2280	explorer.exe
Token: SeSystemProfilePrivilege	2280	explorer.exe
Token: SeSystemtimePrivilege	2280	explorer.exe
Token: SeProfSingleProcessPrivilege	2280	explorer.exe
Token: SeIncBasePriorityPrivilege	2280	explorer.exe
Token: SeCreatePagefilePrivilege	2280	explorer.exe
Token: SeBackupPrivilege	2280	explorer.exe
Token: SeRestorePrivilege	2280	explorer.exe
Token: SeShutdownPrivilege	2280	explorer.exe
Token: SeDebugPrivilege	2280	explorer.exe
Token: SeSystemEnvironmentPrivilege	2280	explorer.exe
Token: SeChangeNotifyPrivilege	2280	explorer.exe
Token: SeRemoteShutdownPrivilege	2280	explorer.exe
Token: SeUndockPrivilege	2280	explorer.exe
Token: SeManageVolumePrivilege	2280	explorer.exe
Token: SeImpersonatePrivilege	2280	explorer.exe
Token: SeCreateGlobalPrivilege	2280	explorer.exe
Token: 33	2280	explorer.exe
Token: 34	2280	explorer.exe
Token: 35	2280	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

explorer.exe

pid process

2280 explorer.exe

pid	process
2280	explorer.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe

description	pid	process	target process
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe
PID 2008 wrote to memory of 2280	2008	09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe	explorer.exe

C:\Users\Admin\AppData\Local\Temp\09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\09cc9d16bb39e4b44c5c64180f6799f7_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2008

C:\Users\Admin\AppData\Local\Temp\explorer.exe
C:\Users\Admin\AppData\Local\Temp\explorer.exe
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2280

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\explorer.exe
Filesize
31KB

MD5
ed797d8dc2c92401985d162e42ffa450

SHA1
0f02fc517c7facc4baefde4fe9467fb6488ebabe

SHA256
b746362010a101cb5931bc066f0f4d3fc740c02a68c1f37fc3c8e6c87fd7cb1e

SHA512
e831a6ff987f3ef29982da16afad06938b68eddd43c234ba88d1c96a1b5547f2284baf35cbb3a5bfd75e7f0445d14daa014e0ba00b4db72c67f83f0a314c80c2

Download Submit
memory/2008-0-0x0000000074A91000-0x0000000074A92000-memory.dmp

Filesize
4KB

Download
memory/2008-1-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/2008-29-0x0000000074A90000-0x000000007503B000-memory.dmp

Filesize
5.7MB

Download
memory/2280-25-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-15-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-23-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2280-19-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-17-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-11-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-9-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-8-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-13-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-28-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-7-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-30-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-32-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-31-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-33-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2280-35-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads