darkcomet | c41d7f11ce201a902754dcb8107da217d3f54e3bcd9fe3feb644c6e3aed7dc10

Analysis

max time kernel
150s
max time network
121s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-10-2024 15:11

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General

Target

7a3078d2b2dbbca4258107bf1f1d9b21_JaffaCakes118.exe
Size

1.2MB
MD5

7a3078d2b2dbbca4258107bf1f1d9b21
SHA1

fcbf809ff0a4e4e0ce6feca34d99db7b60b5dd77
SHA256

c41d7f11ce201a902754dcb8107da217d3f54e3bcd9fe3feb644c6e3aed7dc10
SHA512

7c4622e39f8d602b01c379d08e9303c3a8ffe4745db83c90a1d80ba3b1c7a8b6ff0c9b60f0e9ea52e3c375e0cbb9ff4bc4b0c315e023429bf950c1ca766ba198
SSDEEP

24576:GfXOr2Z1xuVVjfFoynPaVBUR8f+kN10EBjiI8Y:GftQDgok30KiI7

Score

10^/10

darkcomet guest16 discovery evasion rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

tomhack.no-ip.org:1604

Mutex

DC_MUTEX-HKTU7US

Attributes

gencode
3cu7rNKCPLaR
install
false
offline_keylogger
true
password
letmein
persistence
false

Signatures

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

Modifies firewall policy service 3 TTPs 3 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0"	VIR.EXE
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\DisableNotifications = "0"	VIR.EXE
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	VIR.EXE

Modifies security service 2 TTPs 1 IoCs

evasion

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\wscsvc\Start = "4"	VIR.EXE

Windows security bypass 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	VIR.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	VIR.EXE

Disables RegEdit via registry modification 1 IoCs

evasion

description	ioc	Process
Set value (int)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Policies\System\DisableRegistryTools = "1"	VIR.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
2508	attrib.exe
2528	attrib.exe

Executes dropped EXE 1 IoCs

pid	Process
1376	VIR.EXE

Loads dropped DLL 2 IoCs

pid	Process
1864	7a3078d2b2dbbca4258107bf1f1d9b21_JaffaCakes118.exe
1864	7a3078d2b2dbbca4258107bf1f1d9b21_JaffaCakes118.exe

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\UpdatesDisableNotify = "1"	VIR.EXE
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Security Center\AntiVirusDisableNotify = "1"	VIR.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 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	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	7a3078d2b2dbbca4258107bf1f1d9b21_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DllHost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	VIR.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1376	VIR.EXE

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1376	VIR.EXE
Token: SeSecurityPrivilege	1376	VIR.EXE
Token: SeTakeOwnershipPrivilege	1376	VIR.EXE
Token: SeLoadDriverPrivilege	1376	VIR.EXE
Token: SeSystemProfilePrivilege	1376	VIR.EXE
Token: SeSystemtimePrivilege	1376	VIR.EXE
Token: SeProfSingleProcessPrivilege	1376	VIR.EXE
Token: SeIncBasePriorityPrivilege	1376	VIR.EXE
Token: SeCreatePagefilePrivilege	1376	VIR.EXE
Token: SeBackupPrivilege	1376	VIR.EXE
Token: SeRestorePrivilege	1376	VIR.EXE
Token: SeShutdownPrivilege	1376	VIR.EXE
Token: SeDebugPrivilege	1376	VIR.EXE
Token: SeSystemEnvironmentPrivilege	1376	VIR.EXE
Token: SeChangeNotifyPrivilege	1376	VIR.EXE
Token: SeRemoteShutdownPrivilege	1376	VIR.EXE
Token: SeUndockPrivilege	1376	VIR.EXE
Token: SeManageVolumePrivilege	1376	VIR.EXE
Token: SeImpersonatePrivilege	1376	VIR.EXE
Token: SeCreateGlobalPrivilege	1376	VIR.EXE
Token: 33	1376	VIR.EXE
Token: 34	1376	VIR.EXE
Token: 35	1376	VIR.EXE

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1868	DllHost.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1376	VIR.EXE
1868	DllHost.exe
1868	DllHost.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 1864 wrote to memory of 1376	1864	7a3078d2b2dbbca4258107bf1f1d9b21_JaffaCakes118.exe	31
PID 1864 wrote to memory of 1376	1864	7a3078d2b2dbbca4258107bf1f1d9b21_JaffaCakes118.exe	31
PID 1864 wrote to memory of 1376	1864	7a3078d2b2dbbca4258107bf1f1d9b21_JaffaCakes118.exe	31
PID 1864 wrote to memory of 1376	1864	7a3078d2b2dbbca4258107bf1f1d9b21_JaffaCakes118.exe	31
PID 1376 wrote to memory of 2656	1376	VIR.EXE	32
PID 1376 wrote to memory of 2656	1376	VIR.EXE	32
PID 1376 wrote to memory of 2656	1376	VIR.EXE	32
PID 1376 wrote to memory of 2656	1376	VIR.EXE	32
PID 1376 wrote to memory of 2664	1376	VIR.EXE	33
PID 1376 wrote to memory of 2664	1376	VIR.EXE	33
PID 1376 wrote to memory of 2664	1376	VIR.EXE	33
PID 1376 wrote to memory of 2664	1376	VIR.EXE	33
PID 1376 wrote to memory of 2720	1376	VIR.EXE	35
PID 1376 wrote to memory of 2720	1376	VIR.EXE	35
PID 1376 wrote to memory of 2720	1376	VIR.EXE	35
PID 1376 wrote to memory of 2720	1376	VIR.EXE	35
PID 1376 wrote to memory of 2724	1376	VIR.EXE	36
PID 1376 wrote to memory of 2724	1376	VIR.EXE	36
PID 1376 wrote to memory of 2724	1376	VIR.EXE	36
PID 1376 wrote to memory of 2724	1376	VIR.EXE	36
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 1376 wrote to memory of 2772	1376	VIR.EXE	37
PID 2656 wrote to memory of 2508	2656	cmd.exe	39
PID 2656 wrote to memory of 2508	2656	cmd.exe	39
PID 2656 wrote to memory of 2508	2656	cmd.exe	39
PID 2656 wrote to memory of 2508	2656	cmd.exe	39
PID 2664 wrote to memory of 2528	2664	cmd.exe	40
PID 2664 wrote to memory of 2528	2664	cmd.exe	40
PID 2664 wrote to memory of 2528	2664	cmd.exe	40
PID 2664 wrote to memory of 2528	2664	cmd.exe	40

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

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

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2528	attrib.exe
2508	attrib.exe

C:\Users\Admin\AppData\Local\Temp\7a3078d2b2dbbca4258107bf1f1d9b21_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\7a3078d2b2dbbca4258107bf1f1d9b21_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1864
- C:\Users\Admin\AppData\Local\Temp\VIR.EXE
  "C:\Users\Admin\AppData\Local\Temp\VIR.EXE"
  2⤵
  - Modifies firewall policy service
  - Modifies security service
  - Windows security bypass
  - Disables RegEdit via registry modification
  - Executes dropped EXE
  - Windows security modification
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:1376
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\VIR.EXE" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2656
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\VIR.EXE" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2508
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2664
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2528
- - C:\Program Files (x86)\Internet Explorer\iexplore.exe
    "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
    3⤵
    PID:2720
- - C:\Windows\explorer.exe
    "C:\Windows\explorer.exe"
    3⤵
    PID:2724
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2772

C:\Windows\SysWOW64\DllHost.exe
C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
PID:1868

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Disable or Modify Tools

T1562.001

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\MOTHERBOARD.JPG

Filesize
57KB

MD5
9384f790ea90a704d1198080e411a807

SHA1
84b1d3db447ed46afd5fde34b706e7699b4c0751

SHA256
f6d7439cc3febfbee62350191bf2c40bf0dba06004d887fa94fe86deadaf926c

SHA512
feb461d66bcf1f03174f1f4163e77c0b4686e90d189b0d6f7fbdaf60c84c22c454ca65554759024d4ef57919e5d2b7c14b5b00722f30d2900a704b7c13785a15

Download Submit
\Users\Admin\AppData\Local\Temp\VIR.EXE

Filesize
658KB

MD5
eac458d33cbfceb1eab67f8a1b7443c8

SHA1
cee408e330283f2c2c8039da252516632cc50e67

SHA256
d54d3152e946fb4392eb9d6e483709af7e218e08c1f7b385e2791676109c657b

SHA512
957e794e9ae313354dee273504acd646245eeacf31b41e556933e4116cfb10315a14efbd75a44a835f3e1b76834364caec74c4501996df1021fe2c626c7190ee

Download Submit
memory/1376-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-56-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-68-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-67-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-66-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-65-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-54-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-57-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-58-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-59-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-60-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-61-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1376-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/1864-1-0x0000000000250000-0x0000000000252000-memory.dmp

Filesize
8KB

Download
memory/1868-5-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1868-55-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/1868-2-0x00000000001F0000-0x00000000001F2000-memory.dmp

Filesize
8KB

Download
memory/2772-14-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2772-52-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads