darkcomet | ce1c536950fd9e6b41e6b13db2c1ecb1b67e78097202257a960ac42b184ed2f7

General

Target

7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Size

1.3MB
MD5

7719d0e8367fa5d34ea87c95a6e35176
SHA1

f50ac4008a870554cd036486aacef41dcd00bda9
SHA256

ce1c536950fd9e6b41e6b13db2c1ecb1b67e78097202257a960ac42b184ed2f7
SHA512

a5bf46d98e024fb11ff92ac534cb96a0df81888d41afa16aff339563f20ee1fe9892791ae2c6f71e47aef2fe0d81ba41405a648163927ec7795025c456cfecf7
SSDEEP

24576:MZ1xuVVjfFoynPaVBUR8f+kN10EBZjZ1xuVVjfFoynPaVBUR8f+kN10EB:8QDgok30EQDgok30

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

hardywwe.sytes.net:1177

Mutex

DC_MUTEX-D2N7A52

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
hoCJyYF6vH0V
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
Darkcomet family
darkcomet

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

7719d0e8367fa5d34ea87c95a6e35176_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"	7719d0e8367fa5d34ea87c95a6e35176_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:

7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

Processes:

msdcsc.exe

pid process

1140 msdcsc.exe

pid	process
1140	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe

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

System Information Discovery
T1082

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

Processes:

7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exemsdcsc.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Modifies registry class 1 IoCs

Processes:

7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

Processes:

7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exemsdcsc.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeSecurityPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeSystemtimePrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeBackupPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeRestorePrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeShutdownPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeDebugPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeUndockPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeManageVolumePrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeImpersonatePrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: 33	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: 34	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: 35	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: 36	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1140	msdcsc.exe
Token: SeSecurityPrivilege	1140	msdcsc.exe
Token: SeTakeOwnershipPrivilege	1140	msdcsc.exe
Token: SeLoadDriverPrivilege	1140	msdcsc.exe
Token: SeSystemProfilePrivilege	1140	msdcsc.exe
Token: SeSystemtimePrivilege	1140	msdcsc.exe
Token: SeProfSingleProcessPrivilege	1140	msdcsc.exe
Token: SeIncBasePriorityPrivilege	1140	msdcsc.exe
Token: SeCreatePagefilePrivilege	1140	msdcsc.exe
Token: SeBackupPrivilege	1140	msdcsc.exe
Token: SeRestorePrivilege	1140	msdcsc.exe
Token: SeShutdownPrivilege	1140	msdcsc.exe
Token: SeDebugPrivilege	1140	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	1140	msdcsc.exe
Token: SeChangeNotifyPrivilege	1140	msdcsc.exe
Token: SeRemoteShutdownPrivilege	1140	msdcsc.exe
Token: SeUndockPrivilege	1140	msdcsc.exe
Token: SeManageVolumePrivilege	1140	msdcsc.exe
Token: SeImpersonatePrivilege	1140	msdcsc.exe
Token: SeCreateGlobalPrivilege	1140	msdcsc.exe
Token: 33	1140	msdcsc.exe
Token: 34	1140	msdcsc.exe
Token: 35	1140	msdcsc.exe
Token: 36	1140	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

msdcsc.exe

pid process

1140 msdcsc.exe

pid	process
1140	msdcsc.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe

description	pid	process	target process
PID 412 wrote to memory of 1140	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe	msdcsc.exe
PID 412 wrote to memory of 1140	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe	msdcsc.exe
PID 412 wrote to memory of 1140	412	7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe	msdcsc.exe

C:\Users\Admin\AppData\Local\Temp\7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7719d0e8367fa5d34ea87c95a6e35176_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:412
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1140

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
1.3MB

MD5
7719d0e8367fa5d34ea87c95a6e35176

SHA1
f50ac4008a870554cd036486aacef41dcd00bda9

SHA256
ce1c536950fd9e6b41e6b13db2c1ecb1b67e78097202257a960ac42b184ed2f7

SHA512
a5bf46d98e024fb11ff92ac534cb96a0df81888d41afa16aff339563f20ee1fe9892791ae2c6f71e47aef2fe0d81ba41405a648163927ec7795025c456cfecf7

Download Submit
memory/412-62-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/412-0-0x0000000002310000-0x0000000002311000-memory.dmp

Filesize
4KB

Download
memory/1140-67-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-69-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-63-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-65-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-66-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-61-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download
memory/1140-68-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-64-0x0000000002210000-0x0000000002211000-memory.dmp

Filesize
4KB

Download
memory/1140-70-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-71-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-72-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-73-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-74-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-75-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-76-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download
memory/1140-77-0x0000000000400000-0x0000000000556000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads