darkcomet | f352f8b9e867dbd5a59214b635de7457454bf2535ecf725b447a0ccdd182e4a7

Analysis

max time kernel
150s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 11:50

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Size

849KB
MD5

d9794cd653e49c23d3bcbc2fd8efcb5f
SHA1

cd3f9245bc60e90290c2d3e0c1cad739973f42cd
SHA256

f352f8b9e867dbd5a59214b635de7457454bf2535ecf725b447a0ccdd182e4a7
SHA512

e31cf339708baf5db1c0d7878daedcae07a8c02f8a20ea11ffa68cb3f6b87b036cd5d733fa931aa22a78afde1ad0b2d904d416d400e2cb398a3b480f4d400c46
SSDEEP

12288:AaAchpWsuVtDnBsBDJIcynnC90levX4CuYf2D82T3s99+VHuNKDz++VNR2:xAEE3uBDhynCylQgi63O9+VuN6VvR

Score

10^/10

darkcomet discovery persistence rat trojan

Malware Config

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:\\System\\ÚÈÏÇáÑÍãä.exe"	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	ÚÈÏÇáÑÍãä.exe

Executes dropped EXE 1 IoCs

pid	Process
2688	ÚÈÏÇáÑÍãä.exe

Loads dropped DLL 2 IoCs

pid	Process
1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
1876	d9794cd653e49c23d3bcbc2fd8efcb5f_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\winupdater = "C:\\System\\ÚÈÏÇáÑÍãä.exe"	d9794cd653e49c23d3bcbc2fd8efcb5f_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 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	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ÚÈÏÇáÑÍãä.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	ÚÈÏÇáÑÍãä.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ÚÈÏÇáÑÍãä.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ÚÈÏÇáÑÍãä.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	ÚÈÏÇáÑÍãä.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	ÚÈÏÇáÑÍãä.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeSecurityPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeBackupPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeRestorePrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeShutdownPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeDebugPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeUndockPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: 33	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: 34	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: 35	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeSecurityPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeTakeOwnershipPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeLoadDriverPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeSystemProfilePrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeSystemtimePrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeProfSingleProcessPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeIncBasePriorityPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeCreatePagefilePrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeBackupPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeRestorePrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeShutdownPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeDebugPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeSystemEnvironmentPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeChangeNotifyPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeRemoteShutdownPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeUndockPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeManageVolumePrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeImpersonatePrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: SeCreateGlobalPrivilege	2688	ÚÈÏÇáÑÍãä.exe
Token: 33	2688	ÚÈÏÇáÑÍãä.exe
Token: 34	2688	ÚÈÏÇáÑÍãä.exe
Token: 35	2688	ÚÈÏÇáÑÍãä.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2908	DllHost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2688	ÚÈÏÇáÑÍãä.exe
2908	DllHost.exe
2908	DllHost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1876 wrote to memory of 2688	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe	31
PID 1876 wrote to memory of 2688	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe	31
PID 1876 wrote to memory of 2688	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe	31
PID 1876 wrote to memory of 2688	1876	d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe	31

C:\Users\Admin\AppData\Local\Temp\d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9794cd653e49c23d3bcbc2fd8efcb5f_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1876
- C:\System\ÚÈÏÇáÑÍãä.exe
  "C:\System\ÚÈÏÇáÑÍãä.exe"
  2⤵
  - Checks BIOS information in registry
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2688

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:2908

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\CIARA-CAPITAL_RADIO_SUMMERTIME_BALL-04_122_1160LO.JPG

Filesize
103KB

MD5
d5d2915166e718d9a9f6870a026c3f20

SHA1
aad7353b2dcc11c8d45a9567351275e159fb14ab

SHA256
88164c99795d25018b6944ed3eb76d692917a7da81c934cff99968ee0db8183f

SHA512
71e12c5a40e0eb29643393ac8ab1ea304dd3bf5b9ef2366403964ed7deebd63e71af04494153d97ecb29cd56bce89ca98eee158d8ad8a9acf4a1822c3b63916c

Download Submit
\System\ÚÈÏÇáÑÍãä.exe

Filesize
849KB

MD5
d9794cd653e49c23d3bcbc2fd8efcb5f

SHA1
cd3f9245bc60e90290c2d3e0c1cad739973f42cd

SHA256
f352f8b9e867dbd5a59214b635de7457454bf2535ecf725b447a0ccdd182e4a7

SHA512
e31cf339708baf5db1c0d7878daedcae07a8c02f8a20ea11ffa68cb3f6b87b036cd5d733fa931aa22a78afde1ad0b2d904d416d400e2cb398a3b480f4d400c46

Download Submit
memory/1876-12-0x0000000003510000-0x00000000035F3000-memory.dmp

Filesize
908KB

Download
memory/1876-1-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1876-5-0x0000000003A70000-0x0000000003A72000-memory.dmp

Filesize
8KB

Download
memory/1876-0-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/1876-19-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-23-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-31-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-35-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-21-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-22-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-34-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-24-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-25-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-26-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-27-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-28-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-29-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-30-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-33-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2688-32-0x0000000000400000-0x00000000004E3000-memory.dmp

Filesize
908KB

Download
memory/2908-7-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/2908-6-0x00000000001A0000-0x00000000001A2000-memory.dmp

Filesize
8KB

Download
memory/2908-20-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads