darkcomet | 6cf28a426767f07fde9cbad3adb58fe10eb42f425405ef232248d22bfd5044c4

Analysis

max time kernel
149s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20/03/2025, 08:45 UTC

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General

Target

JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe
Size

737KB
MD5

82220ac9f5896e50ad4745902891a61f
SHA1

2294278d3e8fb38b15d087dd38398d172daf22c3
SHA256

6cf28a426767f07fde9cbad3adb58fe10eb42f425405ef232248d22bfd5044c4
SHA512

c12b32e3bcfb67fa0fc261a27acb78916a52e31fee696daabd3a7d263062c272211757d1ed36b11471e718407f0d306c036d158ebcf0b9879d242c3c53f5763d
SSDEEP

12288:c7LsEOC0H7aSEEflgOVhz8U1CADfmfZc6LfaSWHrH1/WecHcvednQJubeKbd5H:kF29n/S+rVreueb7H

Score

10^/10

darkcomet guest16 discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

127.0.0.1:1604

Mutex

DC_MUTEX-S121UH1

Attributes

gencode
U17$DuZXNaRn
install
false
offline_keylogger
false
persistence
false

rc4.plain

1
#KCMDDC2#-890

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 1 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	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java Update = "C:\\ProgramData\\Company\\Product\\1.0.0.0\\java.exe"	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1960 set thread context of 2532	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	32

UPX packed file 29 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2532-11-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-12-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-10-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-7-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-5-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-13-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-15-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-16-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-17-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-19-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-18-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-21-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-20-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-23-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-24-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-25-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-26-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-27-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-28-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-29-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-30-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-31-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-32-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-33-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-34-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-35-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-36-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-37-0x0000000000400000-0x00000000004C5000-memory.dmp	upx
behavioral1/memory/2532-38-0x0000000000400000-0x00000000004C5000-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	vbc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe

Checks processor information in registry 2 TTPs 4 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

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

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2532	vbc.exe
Token: SeSecurityPrivilege	2532	vbc.exe
Token: SeTakeOwnershipPrivilege	2532	vbc.exe
Token: SeLoadDriverPrivilege	2532	vbc.exe
Token: SeSystemProfilePrivilege	2532	vbc.exe
Token: SeSystemtimePrivilege	2532	vbc.exe
Token: SeProfSingleProcessPrivilege	2532	vbc.exe
Token: SeIncBasePriorityPrivilege	2532	vbc.exe
Token: SeCreatePagefilePrivilege	2532	vbc.exe
Token: SeBackupPrivilege	2532	vbc.exe
Token: SeRestorePrivilege	2532	vbc.exe
Token: SeShutdownPrivilege	2532	vbc.exe
Token: SeDebugPrivilege	2532	vbc.exe
Token: SeSystemEnvironmentPrivilege	2532	vbc.exe
Token: SeChangeNotifyPrivilege	2532	vbc.exe
Token: SeRemoteShutdownPrivilege	2532	vbc.exe
Token: SeUndockPrivilege	2532	vbc.exe
Token: SeManageVolumePrivilege	2532	vbc.exe
Token: SeImpersonatePrivilege	2532	vbc.exe
Token: SeCreateGlobalPrivilege	2532	vbc.exe
Token: 33	2532	vbc.exe
Token: 34	2532	vbc.exe
Token: 35	2532	vbc.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 1552	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	31
PID 1960 wrote to memory of 1552	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	31
PID 1960 wrote to memory of 1552	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	31
PID 1960 wrote to memory of 1552	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	31
PID 1960 wrote to memory of 2532	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	32
PID 1960 wrote to memory of 2532	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	32
PID 1960 wrote to memory of 2532	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	32
PID 1960 wrote to memory of 2532	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	32
PID 1960 wrote to memory of 2532	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	32
PID 1960 wrote to memory of 2532	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	32
PID 1960 wrote to memory of 2532	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	32
PID 1960 wrote to memory of 2532	1960	JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_82220ac9f5896e50ad4745902891a61f.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  2⤵
  PID:1552
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
  C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.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:2532

Network

No results found

127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
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vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe
127.0.0.1:1604

vbc.exe

No results found

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

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Downloads

memory/1960-0-0x00000000741C1000-0x00000000741C2000-memory.dmp

Filesize
4KB

Download
memory/1960-1-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1960-2-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/1960-22-0x00000000741C0000-0x000000007476B000-memory.dmp

Filesize
5.7MB

Download
memory/2532-21-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-23-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-10-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2532-7-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-5-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-13-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-15-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-16-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-17-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-19-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-18-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-11-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-20-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-3-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-12-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-24-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-25-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-26-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-27-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-28-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-29-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-30-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-31-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-32-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-33-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-34-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-35-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-36-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-37-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2532-38-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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