darkcomet | f32a44c038c2ecc44b898172aac4fb39f1fbdfa87552bc9c991caf0052eb4528

General

Target

163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Size

409KB
MD5

163a933227fd7a1e61eaf72f18074750
SHA1

38d1c60bd98409d2498e81607c351ac287579650
SHA256

f32a44c038c2ecc44b898172aac4fb39f1fbdfa87552bc9c991caf0052eb4528
SHA512

e207c5fab366a44e324b94856595de1d8d2f0fcaf11926946cd57da30659179222c53696790dd1017e140f3f1c8ba7d4d92090e630bb8f905816e2985bfd130a
SSDEEP

6144:NDwD7cY2fgssM7Wirg9KXylmRiL+QMeC/i6isqX7UovnONztByipwxZipY1oceWN:N8l8E4w5huat7UovONzbXwGp6oceWN

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

ala-tun.zapto.org:1604

Mutex

DC_MUTEX-HTT9SRF

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
Roq7Y0w7L9wi
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:

163a933227fd7a1e61eaf72f18074750_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"	163a933227fd7a1e61eaf72f18074750_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:

163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\Control Panel\International\Geo\Nation	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

4348 msdcsc.exe

pid	process
4348	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exemsdcsc.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2080292272-204036150-2159171770-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	msdcsc.exe

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

System Information Discovery
T1082
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

412 2268 WerFault.exe notepad.exe

pid	pid_target	process	target process
412	2268	WerFault.exe	notepad.exe

Modifies registry class 1 IoCs

Processes:

163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

msdcsc.exe

pid process

4348 msdcsc.exe

pid	process
4348	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeSecurityPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeBackupPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeRestorePrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeShutdownPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeDebugPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeUndockPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: 33	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: 34	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: 35	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: 36	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	4348	msdcsc.exe
Token: SeSecurityPrivilege	4348	msdcsc.exe
Token: SeTakeOwnershipPrivilege	4348	msdcsc.exe
Token: SeLoadDriverPrivilege	4348	msdcsc.exe
Token: SeSystemProfilePrivilege	4348	msdcsc.exe
Token: SeSystemtimePrivilege	4348	msdcsc.exe
Token: SeProfSingleProcessPrivilege	4348	msdcsc.exe
Token: SeIncBasePriorityPrivilege	4348	msdcsc.exe
Token: SeCreatePagefilePrivilege	4348	msdcsc.exe
Token: SeBackupPrivilege	4348	msdcsc.exe
Token: SeRestorePrivilege	4348	msdcsc.exe
Token: SeShutdownPrivilege	4348	msdcsc.exe
Token: SeDebugPrivilege	4348	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	4348	msdcsc.exe
Token: SeChangeNotifyPrivilege	4348	msdcsc.exe
Token: SeRemoteShutdownPrivilege	4348	msdcsc.exe
Token: SeUndockPrivilege	4348	msdcsc.exe
Token: SeManageVolumePrivilege	4348	msdcsc.exe
Token: SeImpersonatePrivilege	4348	msdcsc.exe
Token: SeCreateGlobalPrivilege	4348	msdcsc.exe
Token: 33	4348	msdcsc.exe
Token: 34	4348	msdcsc.exe
Token: 35	4348	msdcsc.exe
Token: 36	4348	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

4348 msdcsc.exe

pid	process
4348	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exemsdcsc.exe

description	pid	process	target process
PID 1168 wrote to memory of 4348	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe	msdcsc.exe
PID 1168 wrote to memory of 4348	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe	msdcsc.exe
PID 1168 wrote to memory of 4348	1168	163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe	msdcsc.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe
PID 4348 wrote to memory of 2268	4348	msdcsc.exe	notepad.exe

C:\Users\Admin\AppData\Local\Temp\163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\163a933227fd7a1e61eaf72f18074750_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1168

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4348

C:\Windows\SysWOW64\notepad.exe
notepad
3⤵
PID:2268

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 416
4⤵
- Program crash
PID:412

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2268 -ip 2268
1⤵
PID:2912

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

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
Filesize
409KB

MD5
163a933227fd7a1e61eaf72f18074750

SHA1
38d1c60bd98409d2498e81607c351ac287579650

SHA256
f32a44c038c2ecc44b898172aac4fb39f1fbdfa87552bc9c991caf0052eb4528

SHA512
e207c5fab366a44e324b94856595de1d8d2f0fcaf11926946cd57da30659179222c53696790dd1017e140f3f1c8ba7d4d92090e630bb8f905816e2985bfd130a

Download Submit
memory/1168-1-0x0000000000750000-0x0000000000751000-memory.dmp

Filesize
4KB

Download
memory/1168-63-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/1168-0-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/2268-66-0x0000000000AE0000-0x0000000000AE1000-memory.dmp

Filesize
4KB

Download
memory/4348-71-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-75-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-68-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-69-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-70-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-64-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-72-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-73-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-74-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-65-0x0000000002320000-0x0000000002321000-memory.dmp

Filesize
4KB

Download
memory/4348-76-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-77-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-78-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-79-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-80-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-81-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download
memory/4348-82-0x0000000000400000-0x0000000000507000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads