darkcomet | 69460fd08183865d32f5f319299449ffcadd08e6759b5aa1a9bc9a0a2e77a97a

Analysis

max time kernel
149s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
30-10-2024 00:25

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General

Target

7d4215b25a3d8881a18641d83873ac96_JaffaCakes118.exe
Size

849KB
MD5

7d4215b25a3d8881a18641d83873ac96
SHA1

79293a0badf34dc14380c70181d61aa11a53ac33
SHA256

69460fd08183865d32f5f319299449ffcadd08e6759b5aa1a9bc9a0a2e77a97a
SHA512

40358d530a621bdf44ddaeced4071312325aa91ead3847f41cb4ea40783c75927a0e09ff6be932a6945320eb92bae73346cdc0030aefa39df5a991573e00b7a4
SSDEEP

24576:VGjjUxDpIUDdNIFPy4AKVJp0vC2SXwTDxNT:VGjAdpIUxaVykfp0vC2SXIDxNT

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"	ciara.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	ciara.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	ÚÈÏÇáÑÍãä.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	7d4215b25a3d8881a18641d83873ac96_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	ciara.exe

Executes dropped EXE 2 IoCs

pid	Process
4556	ciara.exe
2208	ÚÈÏÇáÑÍãä.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-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\System\\ÚÈÏÇáÑÍãä.exe"	ciara.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\ciara.exe	7d4215b25a3d8881a18641d83873ac96_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	7d4215b25a3d8881a18641d83873ac96_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ciara.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\Identifier	ciara.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	ciara.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
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	ÚÈÏÇáÑÍãä.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	ciara.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	ciara.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	ciara.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	ÚÈÏÇáÑÍãä.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	4556	ciara.exe
Token: SeSecurityPrivilege	4556	ciara.exe
Token: SeTakeOwnershipPrivilege	4556	ciara.exe
Token: SeLoadDriverPrivilege	4556	ciara.exe
Token: SeSystemProfilePrivilege	4556	ciara.exe
Token: SeSystemtimePrivilege	4556	ciara.exe
Token: SeProfSingleProcessPrivilege	4556	ciara.exe
Token: SeIncBasePriorityPrivilege	4556	ciara.exe
Token: SeCreatePagefilePrivilege	4556	ciara.exe
Token: SeBackupPrivilege	4556	ciara.exe
Token: SeRestorePrivilege	4556	ciara.exe
Token: SeShutdownPrivilege	4556	ciara.exe
Token: SeDebugPrivilege	4556	ciara.exe
Token: SeSystemEnvironmentPrivilege	4556	ciara.exe
Token: SeChangeNotifyPrivilege	4556	ciara.exe
Token: SeRemoteShutdownPrivilege	4556	ciara.exe
Token: SeUndockPrivilege	4556	ciara.exe
Token: SeManageVolumePrivilege	4556	ciara.exe
Token: SeImpersonatePrivilege	4556	ciara.exe
Token: SeCreateGlobalPrivilege	4556	ciara.exe
Token: 33	4556	ciara.exe
Token: 34	4556	ciara.exe
Token: 35	4556	ciara.exe
Token: 36	4556	ciara.exe
Token: SeIncreaseQuotaPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeSecurityPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeTakeOwnershipPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeLoadDriverPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeSystemProfilePrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeSystemtimePrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeProfSingleProcessPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeIncBasePriorityPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeCreatePagefilePrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeBackupPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeRestorePrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeShutdownPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeDebugPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeSystemEnvironmentPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeChangeNotifyPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeRemoteShutdownPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeUndockPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeManageVolumePrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeImpersonatePrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: SeCreateGlobalPrivilege	2208	ÚÈÏÇáÑÍãä.exe
Token: 33	2208	ÚÈÏÇáÑÍãä.exe
Token: 34	2208	ÚÈÏÇáÑÍãä.exe
Token: 35	2208	ÚÈÏÇáÑÍãä.exe
Token: 36	2208	ÚÈÏÇáÑÍãä.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2576 wrote to memory of 4556	2576	7d4215b25a3d8881a18641d83873ac96_JaffaCakes118.exe	84
PID 2576 wrote to memory of 4556	2576	7d4215b25a3d8881a18641d83873ac96_JaffaCakes118.exe	84
PID 2576 wrote to memory of 4556	2576	7d4215b25a3d8881a18641d83873ac96_JaffaCakes118.exe	84
PID 4556 wrote to memory of 2208	4556	ciara.exe	86
PID 4556 wrote to memory of 2208	4556	ciara.exe	86
PID 4556 wrote to memory of 2208	4556	ciara.exe	86

C:\Users\Admin\AppData\Local\Temp\7d4215b25a3d8881a18641d83873ac96_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7d4215b25a3d8881a18641d83873ac96_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2576
- C:\Windows\SysWOW64\ciara.exe
  "C:\Windows\System32\ciara.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Checks computer location settings
  - Executes dropped EXE
  - 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:4556
- - C:\System\ÚÈÏÇáÑÍãä.exe
    "C:\System\ÚÈÏÇáÑÍãä.exe"
    3⤵
    - 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
    PID:2208

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:\Windows\SysWOW64\ciara.exe

Filesize
713KB

MD5
226167943df3c9945a486fe8633dca89

SHA1
6b5ff809ca57fc3f01001d92749071c6a3a76aa0

SHA256
4dc458e8d9f7d5a9c7c327f98758f1b1887b03f7fab8de276f28ed31182596d1

SHA512
ace422d779cbc5c0969528bdbcb77ed445d9aa10eac6a25b905b74f45c933b640b9a7dfbfd49a913c80fe060b7ef21917eafedaf8846f57601a7b14b7037f07f

Download Submit
memory/2208-27-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-36-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-26-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-21-0x0000000002010000-0x0000000002011000-memory.dmp

Filesize
4KB

Download
memory/2208-22-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-23-0x0000000002010000-0x0000000002011000-memory.dmp

Filesize
4KB

Download
memory/2208-24-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-25-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-35-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-34-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-29-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-28-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-30-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-31-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-32-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2208-33-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2576-9-0x0000000010000000-0x00000000100DD000-memory.dmp

Filesize
884KB

Download
memory/4556-10-0x0000000002880000-0x0000000002881000-memory.dmp

Filesize
4KB

Download
memory/4556-20-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads