darkcomet | 2969034b1ff9c108275be7ea6ac98161574f4c5af2ff44056792ab394a5771c1

Analysis

max time kernel
133s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240611-en
resource tags

arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
submitted
28-06-2024 00:59

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General

Target

1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe
Size

1011KB
MD5

1834f6834978a185df442ff1c6efec71
SHA1

3b55fae8eee6dfb172f1d8658e33a860ea1fd1c2
SHA256

2969034b1ff9c108275be7ea6ac98161574f4c5af2ff44056792ab394a5771c1
SHA512

c5abdcd310e92c6b4687ffb556fba68a34d25eb0f044790b30183376f7fecaa64968a38c12e69a9e893c70c45d82aec73f72dcdb84b08e41e052a2f9864f635f
SSDEEP

24576:jvOTggIRfmQX3zRYC6FVZPv+FWe4Ys/E:zjYlDZ3+UT/E

Score

10^/10

darkcomet rumah evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

rumah

192.168.1.3:10000

Mutex

DC_MUTEX-10Q9ZPU

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
oFKnv1gNw9GF
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:

svchost.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"	svchost.exe

Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

4676 attrib.exe
4016 attrib.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:

svchost.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation svchost.exe
Executes dropped EXE 2 IoCs

Processes:

svchost.exemsdcsc.exe

pid process

2752 svchost.exe
2740 msdcsc.exe

pid	process
4676	attrib.exe
4016	attrib.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\Control Panel\International\Geo\Nation	svchost.exe

pid	process
2752	svchost.exe
2740	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

svchost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-200405930-3877336739-3533750831-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe

description pid process target process

PID 644 set thread context of 2752 644 1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe svchost.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 644 set thread context of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

Processes:

svchost.exe

description	pid	process
Token: SeIncreaseQuotaPrivilege	2752	svchost.exe
Token: SeSecurityPrivilege	2752	svchost.exe
Token: SeTakeOwnershipPrivilege	2752	svchost.exe
Token: SeLoadDriverPrivilege	2752	svchost.exe
Token: SeSystemProfilePrivilege	2752	svchost.exe
Token: SeSystemtimePrivilege	2752	svchost.exe
Token: SeProfSingleProcessPrivilege	2752	svchost.exe
Token: SeIncBasePriorityPrivilege	2752	svchost.exe
Token: SeCreatePagefilePrivilege	2752	svchost.exe
Token: SeBackupPrivilege	2752	svchost.exe
Token: SeRestorePrivilege	2752	svchost.exe
Token: SeShutdownPrivilege	2752	svchost.exe
Token: SeDebugPrivilege	2752	svchost.exe
Token: SeSystemEnvironmentPrivilege	2752	svchost.exe
Token: SeChangeNotifyPrivilege	2752	svchost.exe
Token: SeRemoteShutdownPrivilege	2752	svchost.exe
Token: SeUndockPrivilege	2752	svchost.exe
Token: SeManageVolumePrivilege	2752	svchost.exe
Token: SeImpersonatePrivilege	2752	svchost.exe
Token: SeCreateGlobalPrivilege	2752	svchost.exe
Token: 33	2752	svchost.exe
Token: 34	2752	svchost.exe
Token: 35	2752	svchost.exe
Token: 36	2752	svchost.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

1834f6834978a185df442ff1c6efec71_JaffaCakes118.exesvchost.execmd.execmd.exe

description	pid	process	target process
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 644 wrote to memory of 2752	644	1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe	svchost.exe
PID 2752 wrote to memory of 3588	2752	svchost.exe	cmd.exe
PID 2752 wrote to memory of 3588	2752	svchost.exe	cmd.exe
PID 2752 wrote to memory of 3588	2752	svchost.exe	cmd.exe
PID 2752 wrote to memory of 2620	2752	svchost.exe	cmd.exe
PID 2752 wrote to memory of 2620	2752	svchost.exe	cmd.exe
PID 2752 wrote to memory of 2620	2752	svchost.exe	cmd.exe
PID 2752 wrote to memory of 2740	2752	svchost.exe	msdcsc.exe
PID 2752 wrote to memory of 2740	2752	svchost.exe	msdcsc.exe
PID 2752 wrote to memory of 2740	2752	svchost.exe	msdcsc.exe
PID 3588 wrote to memory of 4676	3588	cmd.exe	attrib.exe
PID 3588 wrote to memory of 4676	3588	cmd.exe	attrib.exe
PID 3588 wrote to memory of 4676	3588	cmd.exe	attrib.exe
PID 2620 wrote to memory of 4016	2620	cmd.exe	attrib.exe
PID 2620 wrote to memory of 4016	2620	cmd.exe	attrib.exe
PID 2620 wrote to memory of 4016	2620	cmd.exe	attrib.exe

Views/modifies file attributes 1 TTPs 2 IoCs
evasion

Hidden Files and Directories
T1564.001

Processes:

attrib.exeattrib.exe

pid process

4676 attrib.exe
4016 attrib.exe

pid	process
4676	attrib.exe
4016	attrib.exe

C:\Users\Admin\AppData\Local\Temp\1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\1834f6834978a185df442ff1c6efec71_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:644

C:\Users\Admin\AppData\Local\Temp\svchost.exe
C:\Users\Admin\AppData\Local\Temp\svchost.exe
2⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2752

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
3⤵
- Suspicious use of WriteProcessMemory
PID:3588

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp\svchost.exe" +s +h
4⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4676

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
3⤵
- Suspicious use of WriteProcessMemory
PID:2620

C:\Windows\SysWOW64\attrib.exe
attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
4⤵
- Sets file to hidden
- Views/modifies file attributes
PID:4016

C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
"C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
3⤵
- Executes dropped EXE
PID:2740

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads

C:\Users\Admin\AppData\Local\Temp\svchost.exe
Filesize
1.1MB

MD5
d881de17aa8f2e2c08cbb7b265f928f9

SHA1
08936aebc87decf0af6e8eada191062b5e65ac2a

SHA256
b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

SHA512
5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

Download Submit
memory/644-0-0x0000000075202000-0x0000000075203000-memory.dmp

Filesize
4KB

Download
memory/644-1-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download
memory/644-2-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download
memory/644-17-0x0000000075200000-0x00000000757B1000-memory.dmp

Filesize
5.7MB

Download
memory/2752-5-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2752-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2752-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2752-12-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2752-13-0x00000000025C0000-0x00000000025C1000-memory.dmp

Filesize
4KB

Download
memory/2752-28-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download