darkcomet | 50eead865b8c7f1340eed849b3b4cedaa1285e1d2e398f88b79de416b94b5ddd

General

Target

f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Size

658KB
MD5

f35cec3eacc50d65da694d4a78915a23
SHA1

c9e64bf495a16056b9b4d84b13e7cf662580f0d2
SHA256

50eead865b8c7f1340eed849b3b4cedaa1285e1d2e398f88b79de416b94b5ddd
SHA512

a2bf10ac563130d2eaaf7f28b6b9d3ff4add702fe475fa2d54c66f64afd1d0dabe2b8c7522c28d4f1b1a34df46dd43b194bcefd2350fd244635761de889d20b5
SSDEEP

12288:S9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLd9Ek5C/hU:+Z1xuVVjfFoynPaVBUR8f+kN1PEBq

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ersg2013.zapto.org:28

Mutex

DC_MUTEX-GY2H3ER

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
52QzXvZVaWLU
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\MSDCSC\\msdcsc.exe"	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\Control Panel\International\Geo\Nation	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

2312 msdcsc.exe

pid	process
2312	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

msdcsc.exef35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	msdcsc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4084619521-2220719027-1909462854-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\MSDCSC\\msdcsc.exe"	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeSecurityPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeBackupPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeRestorePrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeShutdownPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeDebugPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeUndockPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: 33	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: 34	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: 35	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: 36	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2312	msdcsc.exe
Token: SeSecurityPrivilege	2312	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2312	msdcsc.exe
Token: SeLoadDriverPrivilege	2312	msdcsc.exe
Token: SeSystemProfilePrivilege	2312	msdcsc.exe
Token: SeSystemtimePrivilege	2312	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2312	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2312	msdcsc.exe
Token: SeCreatePagefilePrivilege	2312	msdcsc.exe
Token: SeBackupPrivilege	2312	msdcsc.exe
Token: SeRestorePrivilege	2312	msdcsc.exe
Token: SeShutdownPrivilege	2312	msdcsc.exe
Token: SeDebugPrivilege	2312	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2312	msdcsc.exe
Token: SeChangeNotifyPrivilege	2312	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2312	msdcsc.exe
Token: SeUndockPrivilege	2312	msdcsc.exe
Token: SeManageVolumePrivilege	2312	msdcsc.exe
Token: SeImpersonatePrivilege	2312	msdcsc.exe
Token: SeCreateGlobalPrivilege	2312	msdcsc.exe
Token: 33	2312	msdcsc.exe
Token: 34	2312	msdcsc.exe
Token: 35	2312	msdcsc.exe
Token: 36	2312	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

2312 msdcsc.exe

pid	process
2312	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe

description	pid	process	target process
PID 1944 wrote to memory of 2312	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe	msdcsc.exe
PID 1944 wrote to memory of 2312	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe	msdcsc.exe
PID 1944 wrote to memory of 2312	1944	f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f35cec3eacc50d65da694d4a78915a23_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944

C:\MSDCSC\msdcsc.exe
"C:\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2312

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Winlogon Helper DLL

1

T1547.004

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\MSDCSC\msdcsc.exe
Filesize
658KB

MD5
f35cec3eacc50d65da694d4a78915a23

SHA1
c9e64bf495a16056b9b4d84b13e7cf662580f0d2

SHA256
50eead865b8c7f1340eed849b3b4cedaa1285e1d2e398f88b79de416b94b5ddd

SHA512
a2bf10ac563130d2eaaf7f28b6b9d3ff4add702fe475fa2d54c66f64afd1d0dabe2b8c7522c28d4f1b1a34df46dd43b194bcefd2350fd244635761de889d20b5

Download Submit
memory/1944-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1944-0-0x00000000023C0000-0x00000000023C1000-memory.dmp

Filesize
4KB

Download
memory/2312-19-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-17-0x0000000002130000-0x0000000002131000-memory.dmp

Filesize
4KB

Download
memory/2312-18-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-13-0x0000000002130000-0x0000000002131000-memory.dmp

Filesize
4KB

Download
memory/2312-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-15-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-25-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-26-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-27-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2312-29-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads