darkcomet | 77d6f16b582b91a2c2f400bc401fb8c22e3db6f0acf52b4c62e5ef4be6da683f

Analysis

max time kernel
149s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
12-08-2024 07:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Size

549KB
MD5

8deb18dfce0d3f8464e695730880f195
SHA1

16f0869c65304f4f86245600ac5e76129b868834
SHA256

77d6f16b582b91a2c2f400bc401fb8c22e3db6f0acf52b4c62e5ef4be6da683f
SHA512

b249baafe87ee97cd0d93359e7dd25dab5bacad4e31182854c062654e862d0153d55e31ae838abc72c549b3152479a8a4087edbec1848718a5b62657321b00ff
SSDEEP

12288:0IZmE7Dd85UKZpJg+HT+oWEmLilK/lGRgOUqmq9kR6lhKXwB3a9FsqJKB57d8f6:0WmGh8q2vHCoWcK/cRgOnmq9g6FB36r0

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

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\\AppData\\Roaming\\Windupdt\\winupdate.exe"	8deb18dfce0d3f8464e695730880f195_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	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.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-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Users\\Admin\\AppData\\Roaming\\Windupdt\\winupdate.exe"	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4268 set thread context of 1460	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	85

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	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	explorer.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\Identifier	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	explorer.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	explorer.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.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	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1460	explorer.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeSecurityPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeSystemtimePrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeBackupPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeRestorePrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeShutdownPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeDebugPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeUndockPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeManageVolumePrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeImpersonatePrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: 33	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: 34	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: 35	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: 36	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	1460	explorer.exe
Token: SeSecurityPrivilege	1460	explorer.exe
Token: SeTakeOwnershipPrivilege	1460	explorer.exe
Token: SeLoadDriverPrivilege	1460	explorer.exe
Token: SeSystemProfilePrivilege	1460	explorer.exe
Token: SeSystemtimePrivilege	1460	explorer.exe
Token: SeProfSingleProcessPrivilege	1460	explorer.exe
Token: SeIncBasePriorityPrivilege	1460	explorer.exe
Token: SeCreatePagefilePrivilege	1460	explorer.exe
Token: SeBackupPrivilege	1460	explorer.exe
Token: SeRestorePrivilege	1460	explorer.exe
Token: SeShutdownPrivilege	1460	explorer.exe
Token: SeDebugPrivilege	1460	explorer.exe
Token: SeSystemEnvironmentPrivilege	1460	explorer.exe
Token: SeChangeNotifyPrivilege	1460	explorer.exe
Token: SeRemoteShutdownPrivilege	1460	explorer.exe
Token: SeUndockPrivilege	1460	explorer.exe
Token: SeManageVolumePrivilege	1460	explorer.exe
Token: SeImpersonatePrivilege	1460	explorer.exe
Token: SeCreateGlobalPrivilege	1460	explorer.exe
Token: 33	1460	explorer.exe
Token: 34	1460	explorer.exe
Token: 35	1460	explorer.exe
Token: 36	1460	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1460	explorer.exe

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 916	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	84
PID 4268 wrote to memory of 1460	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	85
PID 4268 wrote to memory of 1460	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	85
PID 4268 wrote to memory of 1460	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	85
PID 4268 wrote to memory of 1460	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	85
PID 4268 wrote to memory of 1460	4268	8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe	85

C:\Users\Admin\AppData\Local\Temp\8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\8deb18dfce0d3f8464e695730880f195_JaffaCakes118.exe"
1⤵
- Modifies WinLogon for persistence
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of SetThreadContext
- 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:4268
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:916
- C:\Windows\SysWOW64\explorer.exe
  "C:\Windows\SysWOW64\explorer.exe"
  2⤵
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1460

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

memory/916-15-0x0000000000450000-0x0000000000451000-memory.dmp

Filesize
4KB

Download
memory/1460-29-0x0000000013140000-0x0000000013253000-memory.dmp

Filesize
1.1MB

Download
memory/1460-30-0x0000000013140000-0x0000000013253000-memory.dmp

Filesize
1.1MB

Download
memory/1460-31-0x0000000013140000-0x0000000013253000-memory.dmp

Filesize
1.1MB

Download
memory/1460-32-0x0000000013140000-0x0000000013253000-memory.dmp

Filesize
1.1MB

Download
memory/1460-27-0x0000000013140000-0x0000000013253000-memory.dmp

Filesize
1.1MB

Download
memory/1460-28-0x0000000013140000-0x0000000013253000-memory.dmp

Filesize
1.1MB

Download
memory/1460-21-0x0000000013140000-0x0000000013253000-memory.dmp

Filesize
1.1MB

Download
memory/1460-20-0x0000000013140000-0x0000000013253000-memory.dmp

Filesize
1.1MB

Download
memory/4268-14-0x0000000003680000-0x00000000037C0000-memory.dmp

Filesize
1.2MB

Download
memory/4268-26-0x0000000003680000-0x000000000371C000-memory.dmp

Filesize
624KB

Download
memory/4268-11-0x0000000003680000-0x00000000037C0000-memory.dmp

Filesize
1.2MB

Download
memory/4268-2-0x0000000002770000-0x0000000002771000-memory.dmp

Filesize
4KB

Download
memory/4268-18-0x0000000003680000-0x00000000037C0000-memory.dmp

Filesize
1.2MB

Download
memory/4268-0-0x0000000013140000-0x0000000013253000-memory.dmp

Filesize
1.1MB

Download
memory/4268-3-0x0000000002760000-0x0000000002761000-memory.dmp

Filesize
4KB

Download
memory/4268-22-0x0000000003680000-0x00000000037C0000-memory.dmp

Filesize
1.2MB

Download
memory/4268-5-0x0000000002790000-0x0000000002791000-memory.dmp

Filesize
4KB

Download
memory/4268-10-0x0000000003680000-0x00000000037C0000-memory.dmp

Filesize
1.2MB

Download
memory/4268-6-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/4268-7-0x00000000027D0000-0x00000000027D1000-memory.dmp

Filesize
4KB

Download
memory/4268-25-0x00000000025A0000-0x0000000002600000-memory.dmp

Filesize
384KB

Download
memory/4268-24-0x0000000013140000-0x0000000013253000-memory.dmp

Filesize
1.1MB

Download
memory/4268-9-0x0000000003680000-0x000000000371C000-memory.dmp

Filesize
624KB

Download
memory/4268-4-0x00000000027C0000-0x00000000027C1000-memory.dmp

Filesize
4KB

Download
memory/4268-8-0x0000000003680000-0x000000000371C000-memory.dmp

Filesize
624KB

Download
memory/4268-1-0x00000000025A0000-0x0000000002600000-memory.dmp

Filesize
384KB

Download
memory/4268-12-0x0000000003680000-0x00000000037C0000-memory.dmp

Filesize
1.2MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads