darkcomet | afb6214ad1bd97c9c1beecc69d5d2fc767249c4bff4af435ca51fc3aa9b21d02

Analysis

max time kernel
150s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-11-2024 22:34

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General

Target

a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe
Size

520KB
MD5

a4775f01c2ac1787f0af8da77a573f34
SHA1

f69764279fc5a9ca61d7103366b965984473b0c8
SHA256

afb6214ad1bd97c9c1beecc69d5d2fc767249c4bff4af435ca51fc3aa9b21d02
SHA512

4d78915798e1ec01b43869f0bd29b85405e821824e71206130a6266e24bd3fd43a9f6672569b758cb23b9fa756bf44fc0ec1d2c69a287a01e94cfda1e87e9c11
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbb:f9fC3hh29Ya77A90aFtDfT5IMbb

Score

10^/10

darkcomet privateeye discovery rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

ratblackshades.no-ip.biz:1604

Mutex

DC_MUTEX-ACC1R98

Attributes

gencode
8GG5LVVGljSF
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

Executes dropped EXE 3 IoCs

pid	Process
2016	winupd.exe
5108	winupd.exe
540	winupd.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 5072 set thread context of 896	5072	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	92
PID 2016 set thread context of 5108	2016	winupd.exe	97
PID 2016 set thread context of 540	2016	winupd.exe	98

UPX packed file 18 IoCs

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

upx

resource	yara_rule
behavioral2/memory/540-36-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-38-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-40-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-39-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-37-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-32-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-30-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-43-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-44-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-45-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-46-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-47-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-49-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-50-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral2/memory/540-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2480	4616	WerFault.exe	99

System Location Discovery: System Language Discovery 1 TTPs 5 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	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
4616	ipconfig.exe

Suspicious use of AdjustPrivilegeToken 24 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	540	winupd.exe
Token: SeSecurityPrivilege	540	winupd.exe
Token: SeTakeOwnershipPrivilege	540	winupd.exe
Token: SeLoadDriverPrivilege	540	winupd.exe
Token: SeSystemProfilePrivilege	540	winupd.exe
Token: SeSystemtimePrivilege	540	winupd.exe
Token: SeProfSingleProcessPrivilege	540	winupd.exe
Token: SeIncBasePriorityPrivilege	540	winupd.exe
Token: SeCreatePagefilePrivilege	540	winupd.exe
Token: SeBackupPrivilege	540	winupd.exe
Token: SeRestorePrivilege	540	winupd.exe
Token: SeShutdownPrivilege	540	winupd.exe
Token: SeDebugPrivilege	540	winupd.exe
Token: SeSystemEnvironmentPrivilege	540	winupd.exe
Token: SeChangeNotifyPrivilege	540	winupd.exe
Token: SeRemoteShutdownPrivilege	540	winupd.exe
Token: SeUndockPrivilege	540	winupd.exe
Token: SeManageVolumePrivilege	540	winupd.exe
Token: SeImpersonatePrivilege	540	winupd.exe
Token: SeCreateGlobalPrivilege	540	winupd.exe
Token: 33	540	winupd.exe
Token: 34	540	winupd.exe
Token: 35	540	winupd.exe
Token: 36	540	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
5072	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe
896	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe
2016	winupd.exe
5108	winupd.exe
540	winupd.exe

Suspicious use of WriteProcessMemory 32 IoCs

description	pid	Process	procid_target
PID 5072 wrote to memory of 896	5072	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	92
PID 5072 wrote to memory of 896	5072	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	92
PID 5072 wrote to memory of 896	5072	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	92
PID 5072 wrote to memory of 896	5072	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	92
PID 5072 wrote to memory of 896	5072	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	92
PID 5072 wrote to memory of 896	5072	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	92
PID 5072 wrote to memory of 896	5072	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	92
PID 5072 wrote to memory of 896	5072	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	92
PID 896 wrote to memory of 2016	896	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	93
PID 896 wrote to memory of 2016	896	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	93
PID 896 wrote to memory of 2016	896	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	93
PID 2016 wrote to memory of 5108	2016	winupd.exe	97
PID 2016 wrote to memory of 5108	2016	winupd.exe	97
PID 2016 wrote to memory of 5108	2016	winupd.exe	97
PID 2016 wrote to memory of 5108	2016	winupd.exe	97
PID 2016 wrote to memory of 5108	2016	winupd.exe	97
PID 2016 wrote to memory of 5108	2016	winupd.exe	97
PID 2016 wrote to memory of 5108	2016	winupd.exe	97
PID 2016 wrote to memory of 5108	2016	winupd.exe	97
PID 2016 wrote to memory of 540	2016	winupd.exe	98
PID 2016 wrote to memory of 540	2016	winupd.exe	98
PID 2016 wrote to memory of 540	2016	winupd.exe	98
PID 2016 wrote to memory of 540	2016	winupd.exe	98
PID 2016 wrote to memory of 540	2016	winupd.exe	98
PID 2016 wrote to memory of 540	2016	winupd.exe	98
PID 2016 wrote to memory of 540	2016	winupd.exe	98
PID 2016 wrote to memory of 540	2016	winupd.exe	98
PID 5108 wrote to memory of 4616	5108	winupd.exe	99
PID 5108 wrote to memory of 4616	5108	winupd.exe	99
PID 5108 wrote to memory of 4616	5108	winupd.exe	99
PID 5108 wrote to memory of 4616	5108	winupd.exe	99
PID 5108 wrote to memory of 4616	5108	winupd.exe	99

C:\Users\Admin\AppData\Local\Temp\a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Users\Admin\AppData\Local\Temp\a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:896
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2016
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:5108
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        Gathers network information
        
        PID:4616
      - C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 4616 -s 272
        6⤵
        Program crash
        
        PID:2480
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:540

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4616 -ip 4616
1⤵
PID:2312

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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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Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
5b0272e1b85dabe5ee34ec814d6d5e96

SHA1
6d3e7210e9af89ab7e2fa31f4579533f6d4570b7

SHA256
c4e4ccf289f492a824a98d2989cf991e1cc71603652a1824128d87837cbc3f13

SHA512
0d2fc7d793fbb8e33a8032b5d4624b8249cac69038651160d773aa72d23706bb8a9985417e39eb1cc50b44768793cc7eaa8fe5486325003f55b40f9d35d1f282

Download Submit
memory/540-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-45-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-40-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-39-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-50-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-47-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-37-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-44-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-36-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-38-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-43-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-30-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/540-32-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/896-20-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/896-7-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/896-5-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/896-21-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2016-35-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2016-23-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2016-24-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/5072-4-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/5072-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5072-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/5072-10-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/5072-9-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/5108-41-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download