darkcomet | d20e3b3c4ba4a659c205777ef07ad879526c151a4cfac41f74c4c507449d0e48

Analysis

max time kernel
150s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-01-2025 12:25

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General

Target

JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Size

756KB
MD5

651352130871329678645a2c55e5ef6e
SHA1

800bcf13fe531a75f139a726565451fac19ef87b
SHA256

d20e3b3c4ba4a659c205777ef07ad879526c151a4cfac41f74c4c507449d0e48
SHA512

f3785622896beffd6885ac671656a4fb17c1bcb87ee175a3733d366b3857d09b6af3e15b2159b1267dfcbcd62d38ae26afd87171dd5950f6a89a3df63671887f
SSDEEP

12288:c9AFlAd0Z+89cxTGzO4AucTD8QP2lmFSrVs9LqnK:KAQ6Zx9cxTmOrucTIEFSpOG

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:\\Java(HT) Platform"	JaffaCakes118_651352130871329678645a2c55e5ef6e.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	JaffaCakes118_651352130871329678645a2c55e5ef6e.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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java(HT) Platform = "C:\\Java(HT) Platform"	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java(HT) Platform = "C:\\Java(HT) Platform"	notepad.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2496 set thread context of 2660	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	31

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	JaffaCakes118_651352130871329678645a2c55e5ef6e.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\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	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	explorer.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	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeSecurityPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeTakeOwnershipPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeLoadDriverPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeSystemProfilePrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeSystemtimePrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeProfSingleProcessPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeIncBasePriorityPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeCreatePagefilePrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeBackupPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeRestorePrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeShutdownPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeDebugPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeSystemEnvironmentPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeChangeNotifyPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeRemoteShutdownPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeUndockPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeManageVolumePrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeImpersonatePrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeCreateGlobalPrivilege	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: 33	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: 34	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: 35	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
Token: SeIncreaseQuotaPrivilege	2660	explorer.exe
Token: SeSecurityPrivilege	2660	explorer.exe
Token: SeTakeOwnershipPrivilege	2660	explorer.exe
Token: SeLoadDriverPrivilege	2660	explorer.exe
Token: SeSystemProfilePrivilege	2660	explorer.exe
Token: SeSystemtimePrivilege	2660	explorer.exe
Token: SeProfSingleProcessPrivilege	2660	explorer.exe
Token: SeIncBasePriorityPrivilege	2660	explorer.exe
Token: SeCreatePagefilePrivilege	2660	explorer.exe
Token: SeBackupPrivilege	2660	explorer.exe
Token: SeRestorePrivilege	2660	explorer.exe
Token: SeShutdownPrivilege	2660	explorer.exe
Token: SeDebugPrivilege	2660	explorer.exe
Token: SeSystemEnvironmentPrivilege	2660	explorer.exe
Token: SeChangeNotifyPrivilege	2660	explorer.exe
Token: SeRemoteShutdownPrivilege	2660	explorer.exe
Token: SeUndockPrivilege	2660	explorer.exe
Token: SeManageVolumePrivilege	2660	explorer.exe
Token: SeImpersonatePrivilege	2660	explorer.exe
Token: SeCreateGlobalPrivilege	2660	explorer.exe
Token: 33	2660	explorer.exe
Token: 34	2660	explorer.exe
Token: 35	2660	explorer.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2660	explorer.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2336	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	30
PID 2496 wrote to memory of 2660	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	31
PID 2496 wrote to memory of 2660	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	31
PID 2496 wrote to memory of 2660	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	31
PID 2496 wrote to memory of 2660	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	31
PID 2496 wrote to memory of 2660	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	31
PID 2496 wrote to memory of 2660	2496	JaffaCakes118_651352130871329678645a2c55e5ef6e.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_651352130871329678645a2c55e5ef6e.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_651352130871329678645a2c55e5ef6e.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:2496
- C:\Windows\SysWOW64\notepad.exe
  notepad
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:2336
- 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 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

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:\Java(HT) Platform

Filesize
756KB

MD5
651352130871329678645a2c55e5ef6e

SHA1
800bcf13fe531a75f139a726565451fac19ef87b

SHA256
d20e3b3c4ba4a659c205777ef07ad879526c151a4cfac41f74c4c507449d0e48

SHA512
f3785622896beffd6885ac671656a4fb17c1bcb87ee175a3733d366b3857d09b6af3e15b2159b1267dfcbcd62d38ae26afd87171dd5950f6a89a3df63671887f

Download Submit
memory/2336-32-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download
memory/2336-2-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2496-0-0x0000000000310000-0x0000000000311000-memory.dmp

Filesize
4KB

Download
memory/2496-40-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2660-41-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2660-38-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2660-42-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2660-34-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2660-39-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2660-36-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2660-46-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2660-49-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2660-47-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2660-48-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2660-50-0x0000000013140000-0x000000001320F000-memory.dmp

Filesize
828KB

Download
memory/2660-51-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads