darkcomet | afb6214ad1bd97c9c1beecc69d5d2fc767249c4bff4af435ca51fc3aa9b21d02

Analysis

max time kernel
150s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-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 persistence 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
2944	winupd.exe
2312	winupd.exe
2940	winupd.exe

Loads dropped DLL 2 IoCs

pid	Process
3012	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe
3012	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 3012	2660	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	29
PID 2944 set thread context of 2312	2944	winupd.exe	31
PID 2944 set thread context of 2940	2944	winupd.exe	32

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2940-48-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-59-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-57-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-81-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-80-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2940-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx

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 8 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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.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
2536	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2104	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2940	winupd.exe
Token: SeSecurityPrivilege	2940	winupd.exe
Token: SeTakeOwnershipPrivilege	2940	winupd.exe
Token: SeLoadDriverPrivilege	2940	winupd.exe
Token: SeSystemProfilePrivilege	2940	winupd.exe
Token: SeSystemtimePrivilege	2940	winupd.exe
Token: SeProfSingleProcessPrivilege	2940	winupd.exe
Token: SeIncBasePriorityPrivilege	2940	winupd.exe
Token: SeCreatePagefilePrivilege	2940	winupd.exe
Token: SeBackupPrivilege	2940	winupd.exe
Token: SeRestorePrivilege	2940	winupd.exe
Token: SeShutdownPrivilege	2940	winupd.exe
Token: SeDebugPrivilege	2940	winupd.exe
Token: SeSystemEnvironmentPrivilege	2940	winupd.exe
Token: SeChangeNotifyPrivilege	2940	winupd.exe
Token: SeRemoteShutdownPrivilege	2940	winupd.exe
Token: SeUndockPrivilege	2940	winupd.exe
Token: SeManageVolumePrivilege	2940	winupd.exe
Token: SeImpersonatePrivilege	2940	winupd.exe
Token: SeCreateGlobalPrivilege	2940	winupd.exe
Token: 33	2940	winupd.exe
Token: 34	2940	winupd.exe
Token: 35	2940	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2660	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe
3012	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe
2944	winupd.exe
2312	winupd.exe
2940	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2660 wrote to memory of 3012	2660	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	29
PID 2660 wrote to memory of 3012	2660	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	29
PID 2660 wrote to memory of 3012	2660	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	29
PID 2660 wrote to memory of 3012	2660	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	29
PID 2660 wrote to memory of 3012	2660	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	29
PID 2660 wrote to memory of 3012	2660	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	29
PID 2660 wrote to memory of 3012	2660	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	29
PID 2660 wrote to memory of 3012	2660	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	29
PID 2660 wrote to memory of 3012	2660	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	29
PID 3012 wrote to memory of 2944	3012	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2944	3012	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2944	3012	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	30
PID 3012 wrote to memory of 2944	3012	a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe	30
PID 2944 wrote to memory of 2312	2944	winupd.exe	31
PID 2944 wrote to memory of 2312	2944	winupd.exe	31
PID 2944 wrote to memory of 2312	2944	winupd.exe	31
PID 2944 wrote to memory of 2312	2944	winupd.exe	31
PID 2944 wrote to memory of 2312	2944	winupd.exe	31
PID 2944 wrote to memory of 2312	2944	winupd.exe	31
PID 2944 wrote to memory of 2312	2944	winupd.exe	31
PID 2944 wrote to memory of 2312	2944	winupd.exe	31
PID 2944 wrote to memory of 2312	2944	winupd.exe	31
PID 2944 wrote to memory of 2940	2944	winupd.exe	32
PID 2944 wrote to memory of 2940	2944	winupd.exe	32
PID 2944 wrote to memory of 2940	2944	winupd.exe	32
PID 2944 wrote to memory of 2940	2944	winupd.exe	32
PID 2944 wrote to memory of 2940	2944	winupd.exe	32
PID 2944 wrote to memory of 2940	2944	winupd.exe	32
PID 2944 wrote to memory of 2940	2944	winupd.exe	32
PID 2944 wrote to memory of 2940	2944	winupd.exe	32
PID 2312 wrote to memory of 2536	2312	winupd.exe	33
PID 2312 wrote to memory of 2536	2312	winupd.exe	33
PID 2312 wrote to memory of 2536	2312	winupd.exe	33
PID 2312 wrote to memory of 2536	2312	winupd.exe	33
PID 2312 wrote to memory of 2536	2312	winupd.exe	33
PID 2312 wrote to memory of 2536	2312	winupd.exe	33
PID 2536 wrote to memory of 2304	2536	ipconfig.exe	35
PID 2536 wrote to memory of 2304	2536	ipconfig.exe	35
PID 2536 wrote to memory of 2304	2536	ipconfig.exe	35
PID 2536 wrote to memory of 2304	2536	ipconfig.exe	35
PID 2304 wrote to memory of 2104	2304	cmd.exe	37
PID 2304 wrote to memory of 2104	2304	cmd.exe	37
PID 2304 wrote to memory of 2104	2304	cmd.exe	37
PID 2304 wrote to memory of 2104	2304	cmd.exe	37

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:2660
- C:\Users\Admin\AppData\Local\Temp\a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\a4775f01c2ac1787f0af8da77a573f34_JaffaCakes118.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3012
- - 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:2944
  - - 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:2312
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Gathers network information
        Suspicious use of WriteProcessMemory
        
        PID:2536
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\MHWUKUOM.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2304
        
        C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinUpdate /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray" /f
        7⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:2104
  - - 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:2940

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

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\Local\Temp\MHWUKUOM.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
50988cb3b0845908d1cf82cf4d92aa62

SHA1
9c8fe23d51cc7cd66b90541da8e3fdaa083b6ce9

SHA256
43c3356549f40b08de6605629f93e8125da785b203661602780067f193df520e

SHA512
d3da7673a422a26589f5193294842d922371a02cfd5a94798e4ccc427a02ebf74b12619c42de2b22c48c33180bbb6d7b38cda927ce5f444bc5fc02ba0c3e955a

Download Submit
memory/2312-78-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2536-71-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2660-15-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2660-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2660-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2660-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2940-57-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-48-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-46-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-64-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-59-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-79-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-81-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-80-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2940-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2944-60-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2944-44-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2944-45-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3012-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3012-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3012-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/3012-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3012-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3012-66-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads