darkcomet | ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3

General

Target

6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Size

658KB
MD5

6d6aceaf5c3f2d9c02d292c15e4ff3d6
SHA1

b92e13064b7693551963909d879f1e9eae57a021
SHA256

ef6832d7f49bb09e6bb239c64b3c6738930cfe71a599bc70a8c62cb570447ff3
SHA512

6a78c45f1dc631f77b2bc5f7e2bc3e7dc31c8aa81f46f549de035616f922c277dce75bf12a710d3be02731e87f649a5cbb36e08226e256a141bad91ba51cfbb9
SSDEEP

12288:i9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hZ:OZ1xuVVjfFoynPaVBUR8f+kN10EBX

Score

10^/10

darkcomet sazan evasion rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Sazan

C2

127.0.0.1:1604

Mutex

DC_MUTEX-H33CPZ0

Attributes

gencode
oUoFztxq4qF8
install
false
offline_keylogger
true
persistence
false

Signatures

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

Modifies firewall policy service 2 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe

Disables Task Manager via registry modification
evasion

Sets file to hidden 1 TTPs 2 IoCs

Modifies file attributes to stop it showing in Explorer etc.

evasion

Hidden Files and Directories

T1564.001

pid	Process
2276	attrib.exe
4724	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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeSecurityPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeSystemtimePrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeBackupPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeRestorePrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeShutdownPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeDebugPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeUndockPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeManageVolumePrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeImpersonatePrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: 33	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: 34	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: 35	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Token: 36	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1832 wrote to memory of 5012	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe	91
PID 1832 wrote to memory of 5012	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe	91
PID 1832 wrote to memory of 5012	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe	91
PID 1832 wrote to memory of 2440	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe	93
PID 1832 wrote to memory of 2440	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe	93
PID 1832 wrote to memory of 2440	1832	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe	93
PID 5012 wrote to memory of 2276	5012	cmd.exe	95
PID 5012 wrote to memory of 2276	5012	cmd.exe	95
PID 5012 wrote to memory of 2276	5012	cmd.exe	95
PID 2440 wrote to memory of 4724	2440	cmd.exe	96
PID 2440 wrote to memory of 4724	2440	cmd.exe	96
PID 2440 wrote to memory of 4724	2440	cmd.exe	96

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern\NoControlPanel = "1"	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\CurrentVersion\Explorern	6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2276	attrib.exe
4724	attrib.exe

C:\Users\Admin\AppData\Local\Temp\6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe"
1⤵
- Modifies firewall policy service
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1832
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5012
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp\6d6aceaf5c3f2d9c02d292c15e4ff3d6_JaffaCakes118.exe" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:2276
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2440
- - C:\Windows\SysWOW64\attrib.exe
    attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - Sets file to hidden
    - Views/modifies file attributes
    PID:4724

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4340,i,17096020621006928097,15544233752327415349,262144 --variations-seed-version --mojo-platform-channel-handle=3596 /prefetch:8
1⤵
PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Defense Evasion

Hide Artifacts

2

T1564

Hidden Files and Directories

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1832-0-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/1832-1-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads