darkcomet | 21c62920a70490cb443dc876a025423a55cf70918bbfbfc7121d8d1e47cf9026

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
11/10/2024, 04:26

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General

Target

333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Size

251KB
MD5

333ee3240844040307c8f94dd8727432
SHA1

8f0286086d4fcc5cc86cd1273ebf81a6d1f59930
SHA256

21c62920a70490cb443dc876a025423a55cf70918bbfbfc7121d8d1e47cf9026
SHA512

24c9ccf72c18ff1983304846ed0b54c9debba6fe5ea41b7692d49ba0b021ee09b7fe45c1ad8ecc8b55192819ce9b9a01be23bb3dd85027d9f336bb2e5b966606
SSDEEP

6144:gcNYS996KFifeVjBpeExgVTFSXFoMc5RhCaL37:gcW7KEZlPzCy37

Score

10^/10

darkcomet guest16 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

serveralpha.no-ip.biz:200

Mutex

DC_MUTEX-KL1WYTJ

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
2V5Cy2WQxee7
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

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"	333ee3240844040307c8f94dd8727432_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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe

Executes dropped EXE 1 IoCs

pid	Process
2808	msdcsc.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

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"	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
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"	msdcsc.exe

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3484-0-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/files/0x0008000000023c9f-6.dat	upx
behavioral2/memory/3484-16-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-17-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-18-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-19-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-20-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-21-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-22-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-23-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-24-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-25-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-26-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-27-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-28-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-29-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/2808-31-0x0000000000400000-0x00000000004B7000-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 3 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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeSecurityPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeSystemtimePrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeBackupPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeRestorePrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeShutdownPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeDebugPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeUndockPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeManageVolumePrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeImpersonatePrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: 33	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: 34	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: 35	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: 36	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2808	msdcsc.exe
Token: SeSecurityPrivilege	2808	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2808	msdcsc.exe
Token: SeLoadDriverPrivilege	2808	msdcsc.exe
Token: SeSystemProfilePrivilege	2808	msdcsc.exe
Token: SeSystemtimePrivilege	2808	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2808	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2808	msdcsc.exe
Token: SeCreatePagefilePrivilege	2808	msdcsc.exe
Token: SeBackupPrivilege	2808	msdcsc.exe
Token: SeRestorePrivilege	2808	msdcsc.exe
Token: SeShutdownPrivilege	2808	msdcsc.exe
Token: SeDebugPrivilege	2808	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2808	msdcsc.exe
Token: SeChangeNotifyPrivilege	2808	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2808	msdcsc.exe
Token: SeUndockPrivilege	2808	msdcsc.exe
Token: SeManageVolumePrivilege	2808	msdcsc.exe
Token: SeImpersonatePrivilege	2808	msdcsc.exe
Token: SeCreateGlobalPrivilege	2808	msdcsc.exe
Token: 33	2808	msdcsc.exe
Token: 34	2808	msdcsc.exe
Token: 35	2808	msdcsc.exe
Token: 36	2808	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2808	msdcsc.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 2808	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe	85
PID 3484 wrote to memory of 2808	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe	85
PID 3484 wrote to memory of 2808	3484	333ee3240844040307c8f94dd8727432_JaffaCakes118.exe	85
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87
PID 2808 wrote to memory of 3092	2808	msdcsc.exe	87

C:\Users\Admin\AppData\Local\Temp\333ee3240844040307c8f94dd8727432_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\333ee3240844040307c8f94dd8727432_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:3092

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

Query Registry

T1012

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
333ee3240844040307c8f94dd8727432

SHA1
8f0286086d4fcc5cc86cd1273ebf81a6d1f59930

SHA256
21c62920a70490cb443dc876a025423a55cf70918bbfbfc7121d8d1e47cf9026

SHA512
24c9ccf72c18ff1983304846ed0b54c9debba6fe5ea41b7692d49ba0b021ee09b7fe45c1ad8ecc8b55192819ce9b9a01be23bb3dd85027d9f336bb2e5b966606

Download Submit
memory/2808-26-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-25-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-14-0x00000000006D0000-0x00000000006D1000-memory.dmp

Filesize
4KB

Download
memory/2808-31-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-17-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-18-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-19-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-21-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-29-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-24-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-23-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-22-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-20-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-28-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2808-27-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3092-15-0x0000000001180000-0x0000000001181000-memory.dmp

Filesize
4KB

Download
memory/3484-0-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3484-1-0x0000000000C00000-0x0000000000C01000-memory.dmp

Filesize
4KB

Download
memory/3484-16-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads