darkcomet | ae6081f074ea862dbcf3106092c404306d4dae061e921ce0e23ded11af2aa9b7

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27/11/2024, 22:08

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General

Target
a9d878f8aaa7ba6371ff5c2fd9a9757e_JaffaCakes118.exe
Size 1.0MB
Sample241127-12grjsynhj
SHA256 ae6081f074ea862dbcf3106092c404306d4dae061e921ce0e23ded11af2aa9b7
MD5 a9d878f8aaa7ba6371ff5c2fd9a9757e
SHA1 5923c78a4f018d9a8e06b20e1dbe36ca5b3706bb
SHA512 57af05ba2b1d656e85f1cef859d6618c43a5d17a043189cd7876e79ef7b59518167c9ae4f5b8f0fda9c0ea1f020308dd53bd3d0e7275a2c36586313ca72bda16
SSDEEP 24576:CZ1xuVVjfFoynPaVBUR8f+kN1PEByXO5u9jKB:CQDgok3PlOM
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet guest16 discovery evasion rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

aoooo.no-ip.biz:1604

Mutex

DC_MUTEX-Y98GGV1

Attributes

gencode
cJvr4TP8WVzA
install
false
offline_keylogger
true
persistence
false

Signatures

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

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
4616	attrib.exe
1428	attrib.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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	a9d878f8aaa7ba6371ff5c2fd9a9757e_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	LocalbuhyKtEdrw.exe

Executes dropped EXE 1 IoCs

pid	Process
116	LocalbuhyKtEdrw.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 6 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	cmd.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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	LocalbuhyKtEdrw.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
116	LocalbuhyKtEdrw.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeSecurityPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeTakeOwnershipPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeLoadDriverPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeSystemProfilePrivilege	116	LocalbuhyKtEdrw.exe
Token: SeSystemtimePrivilege	116	LocalbuhyKtEdrw.exe
Token: SeProfSingleProcessPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeIncBasePriorityPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeCreatePagefilePrivilege	116	LocalbuhyKtEdrw.exe
Token: SeBackupPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeRestorePrivilege	116	LocalbuhyKtEdrw.exe
Token: SeShutdownPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeDebugPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeSystemEnvironmentPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeChangeNotifyPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeRemoteShutdownPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeUndockPrivilege	116	LocalbuhyKtEdrw.exe
Token: SeManageVolumePrivilege	116	LocalbuhyKtEdrw.exe
Token: SeImpersonatePrivilege	116	LocalbuhyKtEdrw.exe
Token: SeCreateGlobalPrivilege	116	LocalbuhyKtEdrw.exe
Token: 33	116	LocalbuhyKtEdrw.exe
Token: 34	116	LocalbuhyKtEdrw.exe
Token: 35	116	LocalbuhyKtEdrw.exe
Token: 36	116	LocalbuhyKtEdrw.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
116	LocalbuhyKtEdrw.exe

Suspicious use of WriteProcessMemory 37 IoCs

description	pid	Process	procid_target
PID 3832 wrote to memory of 116	3832	a9d878f8aaa7ba6371ff5c2fd9a9757e_JaffaCakes118.exe	82
PID 3832 wrote to memory of 116	3832	a9d878f8aaa7ba6371ff5c2fd9a9757e_JaffaCakes118.exe	82
PID 3832 wrote to memory of 116	3832	a9d878f8aaa7ba6371ff5c2fd9a9757e_JaffaCakes118.exe	82
PID 116 wrote to memory of 956	116	LocalbuhyKtEdrw.exe	83
PID 116 wrote to memory of 956	116	LocalbuhyKtEdrw.exe	83
PID 116 wrote to memory of 956	116	LocalbuhyKtEdrw.exe	83
PID 116 wrote to memory of 3288	116	LocalbuhyKtEdrw.exe	85
PID 116 wrote to memory of 3288	116	LocalbuhyKtEdrw.exe	85
PID 116 wrote to memory of 3288	116	LocalbuhyKtEdrw.exe	85
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 116 wrote to memory of 5052	116	LocalbuhyKtEdrw.exe	86
PID 956 wrote to memory of 4616	956	cmd.exe	88
PID 956 wrote to memory of 4616	956	cmd.exe	88
PID 956 wrote to memory of 4616	956	cmd.exe	88
PID 3288 wrote to memory of 1428	3288	cmd.exe	89
PID 3288 wrote to memory of 1428	3288	cmd.exe	89
PID 3288 wrote to memory of 1428	3288	cmd.exe	89

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
4616	attrib.exe
1428	attrib.exe

C:\Users\Admin\AppData\Local\Temp\a9d878f8aaa7ba6371ff5c2fd9a9757e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a9d878f8aaa7ba6371ff5c2fd9a9757e_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3832
- C:\Users\Admin\AppData\LocalbuhyKtEdrw.exe
  "C:\Users\Admin\AppData\LocalbuhyKtEdrw.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:116
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\LocalbuhyKtEdrw.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:956
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\LocalbuhyKtEdrw.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:4616
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3288
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:1428
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:5052

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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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LocalbuhyKtEdrw.exe

Path C:\Users\Admin\AppData\LocalbuhyKtEdrw.exe
Size 658KB
SHA256 fd66554fe90e4f39e085a857c7a9bebd71a21a5320a238f25eb6da6eaaeb3abf
MD5 72c657898795e5126fdc5ee3f021f168
SHA1 b6e7b5a2900dd95850fc484c1e679ffb95dedc97
SHA512 4b1ecad1dc7db623ec342b0aaff19984b69052f13788ffad1df079c34713e8e2057f7b88dd1ccdb4d672d8bd2dcccf7dede230096512e55e16e0d01e5a033777
SSDEEP 12288:i9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLd9Ek5C/hB:OZ1xuVVjfFoynPaVBUR8f+kN1PEBz
MD5 SHA1 SHA512 SSDEEP

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memory/116-27-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-20-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-32-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-16-0x00000000022D0000-0x00000000022D1000-memory.dmp

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memory/116-31-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-30-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-19-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-28-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-22-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-21-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-25-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-24-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-23-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-26-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/116-29-0x0000000000400000-0x00000000004B2000-memory.dmp

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memory/3832-3-0x00007FFD9C640000-0x00007FFD9CFE1000-memory.dmp

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memory/3832-0-0x00007FFD9C8F5000-0x00007FFD9C8F6000-memory.dmp

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memory/3832-17-0x00007FFD9C640000-0x00007FFD9CFE1000-memory.dmp

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memory/3832-2-0x00007FFD9C640000-0x00007FFD9CFE1000-memory.dmp

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memory/5052-18-0x0000000001270000-0x0000000001271000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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