darkcomet | ee9b13757d5cedd0fb8d5777fa80585f9ff16dd4ff828e2151117453e8b24d22

Analysis

max time kernel
150s
max time network
146s
platform
windows10-2004_x64
resource
win10v2004-20250217-en
resource tags

arch:x64arch:x86image:win10v2004-20250217-enlocale:en-usos:windows10-2004-x64system
submitted
20-02-2025 14:05

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General

Target

JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Size

687KB
MD5

0c3d733395eb6e9f0b6b562425602936
SHA1

0dae228edead796d90e8d0a4e616b48878afed94
SHA256

ee9b13757d5cedd0fb8d5777fa80585f9ff16dd4ff828e2151117453e8b24d22
SHA512

26b8d9468a530a0c6b9bbb51058b6502672a5bce909bb552403e0055fcfd42d46565e40c8afbc58a1f6058f9bc8ce4d0d8192784eeea659d4eadd419a4a797a0
SSDEEP

12288:fWze3Uyp278C1nS45eol2I7LQmV5ceNd0l9kgH0hw0jTC85FKwMyLeDSAwJJr:fWy39p278U0ol2+LrceNd0l9k5fjTC8f

Score

10^/10

darkcomet guest16 defense_evasion discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

paiwand.no-ip.biz:1604

Mutex

DC_MUTEX-K6EHF4L

Attributes

InstallPath
Facebook\FacebookMassnger.exe
gencode
aWemqHb2WzHo
install
true
offline_keylogger
true
persistence
true
reg_key
MicroUpdate

rc4.plain

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:\\Users\\Admin\\AppData\\Local\\Temp\\Facebook\\FacebookMassnger.exe"	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe

Windows security bypass 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	FacebookMassnger.exe

Sets file to hidden 1 TTPs 1 IoCs

Modifies file attributes to stop it showing in Explorer etc.

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3600	attrib.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2593460650-190333679-3676257533-1000\Control Panel\International\Geo\Nation	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe

Executes dropped EXE 1 IoCs

pid	Process
4564	FacebookMassnger.exe

Windows security modification 2 TTPs 1 IoCs

defense_evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	FacebookMassnger.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-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Facebook\\FacebookMassnger.exe"	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2593460650-190333679-3676257533-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Facebook\\FacebookMassnger.exe"	FacebookMassnger.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 4 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_0c3d733395eb6e9f0b6b562425602936.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FacebookMassnger.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe

Suspicious use of AdjustPrivilegeToken 48 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeSecurityPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeTakeOwnershipPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeLoadDriverPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeSystemProfilePrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeSystemtimePrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeProfSingleProcessPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeIncBasePriorityPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeCreatePagefilePrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeBackupPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeRestorePrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeShutdownPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeDebugPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeSystemEnvironmentPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeChangeNotifyPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeRemoteShutdownPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeUndockPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeManageVolumePrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeImpersonatePrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeCreateGlobalPrivilege	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: 33	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: 34	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: 35	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: 36	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
Token: SeIncreaseQuotaPrivilege	4564	FacebookMassnger.exe
Token: SeSecurityPrivilege	4564	FacebookMassnger.exe
Token: SeTakeOwnershipPrivilege	4564	FacebookMassnger.exe
Token: SeLoadDriverPrivilege	4564	FacebookMassnger.exe
Token: SeSystemProfilePrivilege	4564	FacebookMassnger.exe
Token: SeSystemtimePrivilege	4564	FacebookMassnger.exe
Token: SeProfSingleProcessPrivilege	4564	FacebookMassnger.exe
Token: SeIncBasePriorityPrivilege	4564	FacebookMassnger.exe
Token: SeCreatePagefilePrivilege	4564	FacebookMassnger.exe
Token: SeBackupPrivilege	4564	FacebookMassnger.exe
Token: SeRestorePrivilege	4564	FacebookMassnger.exe
Token: SeShutdownPrivilege	4564	FacebookMassnger.exe
Token: SeDebugPrivilege	4564	FacebookMassnger.exe
Token: SeSystemEnvironmentPrivilege	4564	FacebookMassnger.exe
Token: SeChangeNotifyPrivilege	4564	FacebookMassnger.exe
Token: SeRemoteShutdownPrivilege	4564	FacebookMassnger.exe
Token: SeUndockPrivilege	4564	FacebookMassnger.exe
Token: SeManageVolumePrivilege	4564	FacebookMassnger.exe
Token: SeImpersonatePrivilege	4564	FacebookMassnger.exe
Token: SeCreateGlobalPrivilege	4564	FacebookMassnger.exe
Token: 33	4564	FacebookMassnger.exe
Token: 34	4564	FacebookMassnger.exe
Token: 35	4564	FacebookMassnger.exe
Token: 36	4564	FacebookMassnger.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4564	FacebookMassnger.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 3664	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe	86
PID 1796 wrote to memory of 3664	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe	86
PID 1796 wrote to memory of 3664	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe	86
PID 3664 wrote to memory of 3600	3664	cmd.exe	89
PID 3664 wrote to memory of 3600	3664	cmd.exe	89
PID 3664 wrote to memory of 3600	3664	cmd.exe	89
PID 1796 wrote to memory of 4564	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe	90
PID 1796 wrote to memory of 4564	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe	90
PID 1796 wrote to memory of 4564	1796	JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe	90

Views/modifies file attributes 1 TTPs 1 IoCs

defense_evasion

Hidden Files and Directories

T1564.001

pid	Process
3600	attrib.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_0c3d733395eb6e9f0b6b562425602936.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3664
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:3600
- C:\Users\Admin\AppData\Local\Temp\Facebook\FacebookMassnger.exe
  "C:\Users\Admin\AppData\Local\Temp\Facebook\FacebookMassnger.exe"
  2⤵
  - Windows security bypass
  - Executes dropped EXE
  - Windows security modification
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4564

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

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

C:\Users\Admin\AppData\Local\Temp\Facebook\FacebookMassnger.exe

Filesize
687KB

MD5
0c3d733395eb6e9f0b6b562425602936

SHA1
0dae228edead796d90e8d0a4e616b48878afed94

SHA256
ee9b13757d5cedd0fb8d5777fa80585f9ff16dd4ff828e2151117453e8b24d22

SHA512
26b8d9468a530a0c6b9bbb51058b6502672a5bce909bb552403e0055fcfd42d46565e40c8afbc58a1f6058f9bc8ce4d0d8192784eeea659d4eadd419a4a797a0

Download Submit
memory/1796-0-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/1796-1-0x00000000022C0000-0x000000000231F000-memory.dmp

Filesize
380KB

Download
memory/1796-19-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-23-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-22-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-21-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-20-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-18-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-17-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-16-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-15-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-14-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-13-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-12-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-11-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-10-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-9-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-8-0x00000000033E0000-0x00000000033E1000-memory.dmp

Filesize
4KB

Download
memory/1796-7-0x0000000002520000-0x0000000002521000-memory.dmp

Filesize
4KB

Download
memory/1796-6-0x00000000024C0000-0x00000000024C1000-memory.dmp

Filesize
4KB

Download
memory/1796-5-0x00000000024E0000-0x00000000024E1000-memory.dmp

Filesize
4KB

Download
memory/1796-4-0x00000000024A0000-0x00000000024A1000-memory.dmp

Filesize
4KB

Download
memory/1796-3-0x00000000024B0000-0x00000000024B1000-memory.dmp

Filesize
4KB

Download
memory/1796-2-0x0000000002500000-0x0000000002501000-memory.dmp

Filesize
4KB

Download
memory/1796-24-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-46-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-45-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-44-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-43-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-42-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-41-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-25-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-40-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-39-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-38-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-37-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-36-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-35-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-34-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-33-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-32-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-31-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-30-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-29-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-28-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-27-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-26-0x00000000033D0000-0x00000000033EB000-memory.dmp

Filesize
108KB

Download
memory/1796-108-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/1796-109-0x00000000022C0000-0x000000000231F000-memory.dmp

Filesize
380KB

Download
memory/4564-110-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-111-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-112-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-113-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-114-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-115-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-116-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-117-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-118-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-119-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-120-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-121-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-122-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-123-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download
memory/4564-124-0x0000000000400000-0x000000000051B000-memory.dmp

Filesize
1.1MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads