darkcomet | 9e24637f1e1139f5ced94840f5e061e9942381d5fdbf746d87fcc6a260393939

General

Target

124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Size

660KB
MD5

124e7aa73dc65c630469d046b911c8f0
SHA1

cf446ce0bdecc6babb7a38d3ab8746085dc7afff
SHA256

9e24637f1e1139f5ced94840f5e061e9942381d5fdbf746d87fcc6a260393939
SHA512

e32ebd987cb2da4edff225e4347f7c7395d0bc2e27fcad6cd989b4855c06065364afedcd981f5a7190893ecdc205ad84bffe74dbdab387ef999c509ff5b83ec7
SSDEEP

12288:4X2JVHMRtDaSm3TJvVNvWV5YTsY7tHwbz/htfcoCoK632zb7G/Q0Q:uss2Sm39NNv9wY7tHwbzfIoK6Moo

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:53

127.0.0.1:5353

Mutex

DC_MUTEX-0U5TJW3

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
KjzeXH1tYYSC
install
true
offline_keylogger
true
persistence
false
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:

124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

2992 msdcsc.exe
Loads dropped DLL 2 IoCs

Processes:

124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe

pid process

2400 124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
2400 124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe

pid	process
2992	msdcsc.exe

pid	process
2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2737914667-933161113-3798636211-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	124e7aa73dc65c630469d046b911c8f0_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 46 IoCs

Processes:

124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeSecurityPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeBackupPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeRestorePrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeShutdownPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeDebugPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeUndockPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: 33	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: 34	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: 35	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2992	msdcsc.exe
Token: SeSecurityPrivilege	2992	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2992	msdcsc.exe
Token: SeLoadDriverPrivilege	2992	msdcsc.exe
Token: SeSystemProfilePrivilege	2992	msdcsc.exe
Token: SeSystemtimePrivilege	2992	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2992	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2992	msdcsc.exe
Token: SeCreatePagefilePrivilege	2992	msdcsc.exe
Token: SeBackupPrivilege	2992	msdcsc.exe
Token: SeRestorePrivilege	2992	msdcsc.exe
Token: SeShutdownPrivilege	2992	msdcsc.exe
Token: SeDebugPrivilege	2992	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2992	msdcsc.exe
Token: SeChangeNotifyPrivilege	2992	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2992	msdcsc.exe
Token: SeUndockPrivilege	2992	msdcsc.exe
Token: SeManageVolumePrivilege	2992	msdcsc.exe
Token: SeImpersonatePrivilege	2992	msdcsc.exe
Token: SeCreateGlobalPrivilege	2992	msdcsc.exe
Token: 33	2992	msdcsc.exe
Token: 34	2992	msdcsc.exe
Token: 35	2992	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

2992 msdcsc.exe

pid	process
2992	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe

description	pid	process	target process
PID 2400 wrote to memory of 2992	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe	msdcsc.exe
PID 2400 wrote to memory of 2992	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe	msdcsc.exe
PID 2400 wrote to memory of 2992	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe	msdcsc.exe
PID 2400 wrote to memory of 2992	2400	124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\124e7aa73dc65c630469d046b911c8f0_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2400

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2992

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

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
660KB

MD5
124e7aa73dc65c630469d046b911c8f0

SHA1
cf446ce0bdecc6babb7a38d3ab8746085dc7afff

SHA256
9e24637f1e1139f5ced94840f5e061e9942381d5fdbf746d87fcc6a260393939

SHA512
e32ebd987cb2da4edff225e4347f7c7395d0bc2e27fcad6cd989b4855c06065364afedcd981f5a7190893ecdc205ad84bffe74dbdab387ef999c509ff5b83ec7

Download Submit
memory/2400-0-0x0000000000320000-0x0000000000321000-memory.dmp

Filesize
4KB

Download
memory/2400-11-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2992-12-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2992-13-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download
memory/2992-14-0x0000000000400000-0x00000000004B4000-memory.dmp

Filesize
720KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads