darkcomet | 31d773e367fa4e9b5318f39332741bfa9c16527a6ada11190498b643b3b86d48

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240704-en
resource tags

arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
submitted
11/07/2024, 16:05

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General

Target
39d214d836d43dfd40a46a8469498bf7_JaffaCakes118.exe
Size 1.1MB
Sample240711-tjrepstfkl
SHA256 31d773e367fa4e9b5318f39332741bfa9c16527a6ada11190498b643b3b86d48
MD5 39d214d836d43dfd40a46a8469498bf7
SHA1 bdfcfbd6d3599c4c156e7062a21389c950d6f43f
SHA512 a9c76e5132b32f165dec4a6b6d0008053d0376b08d53110c0d3ff858e4568cb5f551f4d57e22330fb36041d735f41a2c92c5ae9a90611a0d0eee309960551bda
SSDEEP 12288:PbF/FrYmJ3mqj6FqZqK1WvR/gS7otG2+4YkRtAEiXco/HCd58G1pP96P/xfihFVq:PbF/FrYmJ3mqw54IoRxyz7fXPBihFy5
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

darkcomet guest16 persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

bradlidard.no-ip.org:2222

Mutex

DC_MUTEX-DKTQ2TA

Attributes

gencode
Q28sAQUYMbXx
install
false
offline_keylogger
true
persistence
false

Signatures

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

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-1-5-21-1403246978-718555486-3105247137-1000\Control Panel\International\Geo\Nation	39d214d836d43dfd40a46a8469498bf7_JaffaCakes118.exe

Executes dropped EXE 3 IoCs

pid	Process
208	service.exe
3472	service.exe
4264	service.exe

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-1-5-21-1403246978-718555486-3105247137-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\service = "C:\\Users\\Admin\\AppData\\Roaming\\service\\service.exe"	reg.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 208 set thread context of 3472	208	service.exe	89
PID 3472 set thread context of 4264	3472	service.exe	90

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	4264	service.exe
Token: SeSecurityPrivilege	4264	service.exe
Token: SeTakeOwnershipPrivilege	4264	service.exe
Token: SeLoadDriverPrivilege	4264	service.exe
Token: SeSystemProfilePrivilege	4264	service.exe
Token: SeSystemtimePrivilege	4264	service.exe
Token: SeProfSingleProcessPrivilege	4264	service.exe
Token: SeIncBasePriorityPrivilege	4264	service.exe
Token: SeCreatePagefilePrivilege	4264	service.exe
Token: SeBackupPrivilege	4264	service.exe
Token: SeRestorePrivilege	4264	service.exe
Token: SeShutdownPrivilege	4264	service.exe
Token: SeDebugPrivilege	4264	service.exe
Token: SeSystemEnvironmentPrivilege	4264	service.exe
Token: SeChangeNotifyPrivilege	4264	service.exe
Token: SeRemoteShutdownPrivilege	4264	service.exe
Token: SeUndockPrivilege	4264	service.exe
Token: SeManageVolumePrivilege	4264	service.exe
Token: SeImpersonatePrivilege	4264	service.exe
Token: SeCreateGlobalPrivilege	4264	service.exe
Token: 33	4264	service.exe
Token: 34	4264	service.exe
Token: 35	4264	service.exe
Token: 36	4264	service.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3008	39d214d836d43dfd40a46a8469498bf7_JaffaCakes118.exe
208	service.exe
3472	service.exe
4264	service.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3008 wrote to memory of 3456	3008	39d214d836d43dfd40a46a8469498bf7_JaffaCakes118.exe	85
PID 3008 wrote to memory of 3456	3008	39d214d836d43dfd40a46a8469498bf7_JaffaCakes118.exe	85
PID 3008 wrote to memory of 3456	3008	39d214d836d43dfd40a46a8469498bf7_JaffaCakes118.exe	85
PID 3008 wrote to memory of 208	3008	39d214d836d43dfd40a46a8469498bf7_JaffaCakes118.exe	87
PID 3008 wrote to memory of 208	3008	39d214d836d43dfd40a46a8469498bf7_JaffaCakes118.exe	87
PID 3008 wrote to memory of 208	3008	39d214d836d43dfd40a46a8469498bf7_JaffaCakes118.exe	87
PID 3456 wrote to memory of 2956	3456	cmd.exe	88
PID 3456 wrote to memory of 2956	3456	cmd.exe	88
PID 3456 wrote to memory of 2956	3456	cmd.exe	88
PID 208 wrote to memory of 3472	208	service.exe	89
PID 208 wrote to memory of 3472	208	service.exe	89
PID 208 wrote to memory of 3472	208	service.exe	89
PID 208 wrote to memory of 3472	208	service.exe	89
PID 208 wrote to memory of 3472	208	service.exe	89
PID 208 wrote to memory of 3472	208	service.exe	89
PID 208 wrote to memory of 3472	208	service.exe	89
PID 208 wrote to memory of 3472	208	service.exe	89
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90
PID 3472 wrote to memory of 4264	3472	service.exe	90

C:\Users\Admin\AppData\Local\Temp\39d214d836d43dfd40a46a8469498bf7_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\39d214d836d43dfd40a46a8469498bf7_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3008
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\240638765.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3456
- - C:\Windows\SysWOW64\reg.exe
    REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "service" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\service\service.exe" /f
    3⤵
    - Adds Run key to start application
    PID:2956
- C:\Users\Admin\AppData\Roaming\service\service.exe
  "C:\Users\Admin\AppData\Roaming\service\service.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:208
- - C:\Users\Admin\AppData\Roaming\service\service.exe
    "C:\Users\Admin\AppData\Roaming\service\service.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3472
  - - C:\Users\Admin\AppData\Roaming\service\service.exe
      4⤵
      Executes dropped EXE
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4264

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

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

240638765.bat

Path C:\Users\Admin\AppData\Local\Temp\240638765.bat
Size 142B
SHA256 36663709b2640afd33bd74b5e7c24312351129181ad8c9665a5b213bdf98a3c3
MD5 d2d4f707e55bbdb700b52b1c4e5bd0b9
SHA1 2f843d11ade6b55cd3b21032724fe5b18417299c
SHA512 8123be8507a1ccad24739d64ce309c5533420cae150c0a599377bf85972a719f94b99dcf5e4321a4cd4ca77245a9a8e021f63152831988ad5b97c99a3a4b3019
MD5 SHA1 SHA512

Submit Download

service.exe

Path C:\Users\Admin\AppData\Roaming\service\service.exe
Size 1.1MB
SHA256 31d773e367fa4e9b5318f39332741bfa9c16527a6ada11190498b643b3b86d48
MD5 39d214d836d43dfd40a46a8469498bf7
SHA1 bdfcfbd6d3599c4c156e7062a21389c950d6f43f
SHA512 a9c76e5132b32f165dec4a6b6d0008053d0376b08d53110c0d3ff858e4568cb5f551f4d57e22330fb36041d735f41a2c92c5ae9a90611a0d0eee309960551bda
SSDEEP 12288:PbF/FrYmJ3mqj6FqZqK1WvR/gS7otG2+4YkRtAEiXco/HCd58G1pP96P/xfihFVq:PbF/FrYmJ3mqw54IoRxyz7fXPBihFy5
MD5 SHA1 SHA512 SSDEEP

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memory/208-33-0x0000000002F20000-0x0000000002F21000-memory.dmp

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memory/208-29-0x0000000002AE0000-0x0000000002AE1000-memory.dmp

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memory/208-30-0x0000000002E00000-0x0000000002E01000-memory.dmp

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memory/3008-9-0x00000000038E0000-0x00000000038E1000-memory.dmp

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memory/3008-16-0x0000000003960000-0x0000000003961000-memory.dmp

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memory/3008-15-0x0000000003950000-0x0000000003951000-memory.dmp

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memory/3008-14-0x0000000003940000-0x0000000003941000-memory.dmp

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memory/3008-17-0x0000000003970000-0x0000000003971000-memory.dmp

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memory/3008-4-0x0000000002F40000-0x0000000002F41000-memory.dmp

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memory/3008-2-0x0000000002C20000-0x0000000002C21000-memory.dmp

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memory/3008-3-0x0000000002F30000-0x0000000002F31000-memory.dmp

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memory/3008-5-0x0000000002F50000-0x0000000002F51000-memory.dmp

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memory/3472-31-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/3472-35-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/3472-43-0x0000000000400000-0x0000000000414000-memory.dmp

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memory/4264-41-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-50-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-45-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-44-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-40-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-42-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-47-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-48-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-49-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-38-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-51-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-52-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-53-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-54-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-55-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-56-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-57-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-58-0x0000000000400000-0x00000000004B5000-memory.dmp

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memory/4264-59-0x0000000000400000-0x00000000004B5000-memory.dmp

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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