darkcomet | 05dd8e51fa3d08ac6d5c4bb6c8692bbb5991624dd625c4dbb8c40773634a5bc4

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-12-2024 18:32

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General

Target

e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Size

251KB
MD5

e7b73ce97bfba7fb0f034b73f418c95d
SHA1

29df206f5e1a8f929518edb2d636b07638a71e9d
SHA256

05dd8e51fa3d08ac6d5c4bb6c8692bbb5991624dd625c4dbb8c40773634a5bc4
SHA512

d6512d7d2bd351bddea9ca5a71d1270752da43e0b754a01664ddb34e61c1df5e68a7f929badd370a9bcc2cf6e54657a706f68f9ba33ef613bf4911a95bae15b6
SSDEEP

6144:GcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37c:GcW7KEZlPzCy37c

Score

10^/10

darkcomet sandbox discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Sandbox

sammich.zapto.org:20000

127.0.0.1:20000

Mutex

DC_MUTEX-9M2A57V

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
EeioSF9CjmMk
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

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"	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2660	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe

UPX packed file 19 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/2856-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-13-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/files/0x0008000000016d24-11.dat	upx
behavioral1/memory/2856-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-20-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2660-31-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeSecurityPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeBackupPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeRestorePrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeShutdownPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeDebugPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeUndockPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: 33	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: 34	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: 35	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2660	msdcsc.exe
Token: SeSecurityPrivilege	2660	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2660	msdcsc.exe
Token: SeLoadDriverPrivilege	2660	msdcsc.exe
Token: SeSystemProfilePrivilege	2660	msdcsc.exe
Token: SeSystemtimePrivilege	2660	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2660	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2660	msdcsc.exe
Token: SeCreatePagefilePrivilege	2660	msdcsc.exe
Token: SeBackupPrivilege	2660	msdcsc.exe
Token: SeRestorePrivilege	2660	msdcsc.exe
Token: SeShutdownPrivilege	2660	msdcsc.exe
Token: SeDebugPrivilege	2660	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2660	msdcsc.exe
Token: SeChangeNotifyPrivilege	2660	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2660	msdcsc.exe
Token: SeUndockPrivilege	2660	msdcsc.exe
Token: SeManageVolumePrivilege	2660	msdcsc.exe
Token: SeImpersonatePrivilege	2660	msdcsc.exe
Token: SeCreateGlobalPrivilege	2660	msdcsc.exe
Token: 33	2660	msdcsc.exe
Token: 34	2660	msdcsc.exe
Token: 35	2660	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2660	msdcsc.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2660	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe	31
PID 2856 wrote to memory of 2660	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe	31
PID 2856 wrote to memory of 2660	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe	31
PID 2856 wrote to memory of 2660	2856	e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e7b73ce97bfba7fb0f034b73f418c95d_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2856
- 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:2660

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
251KB

MD5
e7b73ce97bfba7fb0f034b73f418c95d

SHA1
29df206f5e1a8f929518edb2d636b07638a71e9d

SHA256
05dd8e51fa3d08ac6d5c4bb6c8692bbb5991624dd625c4dbb8c40773634a5bc4

SHA512
d6512d7d2bd351bddea9ca5a71d1270752da43e0b754a01664ddb34e61c1df5e68a7f929badd370a9bcc2cf6e54657a706f68f9ba33ef613bf4911a95bae15b6

Download Submit
memory/2660-20-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-13-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2660-14-0x0000000000290000-0x0000000000291000-memory.dmp

Filesize
4KB

Download
memory/2856-12-0x0000000003720000-0x00000000037D7000-memory.dmp

Filesize
732KB

Download
memory/2856-1-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2856-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2856-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads