darkcomet | cfeeb6b0024c5b2c9ff64ac45061ebcb27799cc8a28b1e95620b65f7aed2e1d0

Analysis

max time kernel
149s
max time network
144s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
07/02/2025, 11:56

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General

Target

JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Size

330KB
MD5

b6c0bc54b232202edef006875fa55c1a
SHA1

b1d58e3537b12c5be5f185c03e28029bed759304
SHA256

cfeeb6b0024c5b2c9ff64ac45061ebcb27799cc8a28b1e95620b65f7aed2e1d0
SHA512

948b5d0cb9d8610ebddec4c4f7fc5f31e4c4e7556ba462ba0346d5b6ce5cd94505ee409cb319bd60096ea07466dc4b7b7addc7590b16bec639c0ebf3765bdd1b
SSDEEP

6144:E4CFfifD2gVKVTQQ249HZ52KTh9XKOCgLJacj5/AZtRsh5LLVMdWnpQZh9h4u:EXgr8VMQDT52WXKq9fj5/AZj8DMd0QZ+

Score

10^/10

darkcomet guest16 discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:1604

Mutex

DC_MUTEX-H6JN47S

Attributes

gencode
W=m=%R595Z�n
install
false
offline_keylogger
false
persistence
false

rc4.plain

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
Darkcomet family
darkcomet

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_b6c0bc54b232202edef006875fa55c1a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	explorer.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1652 set thread context of 2664	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe	84

UPX packed file 10 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1652-0-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/2664-2-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/2664-5-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/2664-6-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/1652-11-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/2664-9-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/2664-8-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/2664-4-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/2664-10-0x0000000000400000-0x00000000004E5000-memory.dmp	upx
behavioral2/memory/2664-13-0x0000000000400000-0x00000000004E5000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 2 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_b6c0bc54b232202edef006875fa55c1a.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	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.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	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.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_b6c0bc54b232202edef006875fa55c1a.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	explorer.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeSecurityPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeTakeOwnershipPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeLoadDriverPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeSystemProfilePrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeSystemtimePrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeProfSingleProcessPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeIncBasePriorityPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeCreatePagefilePrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeBackupPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeRestorePrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeShutdownPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeDebugPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeSystemEnvironmentPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeChangeNotifyPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeRemoteShutdownPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeUndockPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeManageVolumePrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeImpersonatePrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeCreateGlobalPrivilege	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: 33	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: 34	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: 35	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: 36	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
Token: SeIncreaseQuotaPrivilege	2664	explorer.exe
Token: SeSecurityPrivilege	2664	explorer.exe
Token: SeTakeOwnershipPrivilege	2664	explorer.exe
Token: SeLoadDriverPrivilege	2664	explorer.exe
Token: SeSystemProfilePrivilege	2664	explorer.exe
Token: SeSystemtimePrivilege	2664	explorer.exe
Token: SeProfSingleProcessPrivilege	2664	explorer.exe
Token: SeIncBasePriorityPrivilege	2664	explorer.exe
Token: SeCreatePagefilePrivilege	2664	explorer.exe
Token: SeBackupPrivilege	2664	explorer.exe
Token: SeRestorePrivilege	2664	explorer.exe
Token: SeShutdownPrivilege	2664	explorer.exe
Token: SeDebugPrivilege	2664	explorer.exe
Token: SeSystemEnvironmentPrivilege	2664	explorer.exe
Token: SeChangeNotifyPrivilege	2664	explorer.exe
Token: SeRemoteShutdownPrivilege	2664	explorer.exe
Token: SeUndockPrivilege	2664	explorer.exe
Token: SeManageVolumePrivilege	2664	explorer.exe
Token: SeImpersonatePrivilege	2664	explorer.exe
Token: SeCreateGlobalPrivilege	2664	explorer.exe
Token: 33	2664	explorer.exe
Token: 34	2664	explorer.exe
Token: 35	2664	explorer.exe
Token: 36	2664	explorer.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1652 wrote to memory of 2664	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe	84
PID 1652 wrote to memory of 2664	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe	84
PID 1652 wrote to memory of 2664	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe	84
PID 1652 wrote to memory of 2664	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe	84
PID 1652 wrote to memory of 2664	1652	JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe	84

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b6c0bc54b232202edef006875fa55c1a.exe"
1⤵
- Checks BIOS information in registry
- 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:1652
- 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
  PID:2664

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

memory/1652-0-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/1652-1-0x0000000000C70000-0x0000000000C71000-memory.dmp

Filesize
4KB

Download
memory/1652-11-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2664-2-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2664-5-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2664-6-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2664-12-0x0000000003040000-0x0000000003041000-memory.dmp

Filesize
4KB

Download
memory/2664-9-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2664-8-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2664-4-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2664-10-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download
memory/2664-13-0x0000000000400000-0x00000000004E5000-memory.dmp

Filesize
916KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads