darkcomet | 0d14c7464ae4d5cf9fc9f235e17a781025564db99b2a086b633c4f5dbbcd5867

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
10/02/2025, 04:14

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General

Target

JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Size

828KB
MD5

d722bc17e3db64b1646e84d80f4d6426
SHA1

67ed8eb49b7900319444d050cb081b0c7e8cd1d6
SHA256

0d14c7464ae4d5cf9fc9f235e17a781025564db99b2a086b633c4f5dbbcd5867
SHA512

b03d35e5d7ab11a0958b8f9923fb5b4305c0a7a9448c53e7972717a0f725274efb86e73608785509f9df8e029e98cde38e70b9f50951485901b011c021cf71cd
SSDEEP

12288:ml2hWAzPw3Ds410wLwxKOzJvQs5j1gY64NHvH0yOjTQ:vID0wDwvHx1gYFNHv0Bj0

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

komberss.no-ip.biz:81

Mutex

DC_MUTEX-A7KBSJC

Attributes

InstallPath
Windupdt\winupdate.exe
gencode
LnfXWy�k8J1%
install
true
offline_keylogger
true
persistence
false
reg_key
winupdater

rc4.plain

Signatures

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

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Windupdt\\winupdate.exe"	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	winupdate.exe

Executes dropped EXE 2 IoCs

pid	Process
2684	winupdate.exe
2852	winupdate.exe

Loads dropped DLL 8 IoCs

pid	Process
1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
2684	winupdate.exe
2684	winupdate.exe
2684	winupdate.exe
2684	winupdate.exe
2852	winupdate.exe
2852	winupdate.exe
2852	winupdate.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\winupdater = "C:\\Windupdt\\winupdate.exe"	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3032 set thread context of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 2684 set thread context of 2852	2684	winupdate.exe	32

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 4 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	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe

Checks processor information in registry 2 TTPs 8 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	winupdate.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	winupdate.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier	winupdate.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2852	winupdate.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeSecurityPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeTakeOwnershipPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeLoadDriverPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeSystemProfilePrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeSystemtimePrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeProfSingleProcessPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeIncBasePriorityPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeCreatePagefilePrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeBackupPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeRestorePrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeShutdownPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeDebugPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeSystemEnvironmentPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeChangeNotifyPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeRemoteShutdownPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeUndockPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeManageVolumePrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeImpersonatePrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeCreateGlobalPrivilege	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: 33	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: 34	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: 35	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
Token: SeIncreaseQuotaPrivilege	2852	winupdate.exe
Token: SeSecurityPrivilege	2852	winupdate.exe
Token: SeTakeOwnershipPrivilege	2852	winupdate.exe
Token: SeLoadDriverPrivilege	2852	winupdate.exe
Token: SeSystemProfilePrivilege	2852	winupdate.exe
Token: SeSystemtimePrivilege	2852	winupdate.exe
Token: SeProfSingleProcessPrivilege	2852	winupdate.exe
Token: SeIncBasePriorityPrivilege	2852	winupdate.exe
Token: SeCreatePagefilePrivilege	2852	winupdate.exe
Token: SeBackupPrivilege	2852	winupdate.exe
Token: SeRestorePrivilege	2852	winupdate.exe
Token: SeShutdownPrivilege	2852	winupdate.exe
Token: SeDebugPrivilege	2852	winupdate.exe
Token: SeSystemEnvironmentPrivilege	2852	winupdate.exe
Token: SeChangeNotifyPrivilege	2852	winupdate.exe
Token: SeRemoteShutdownPrivilege	2852	winupdate.exe
Token: SeUndockPrivilege	2852	winupdate.exe
Token: SeManageVolumePrivilege	2852	winupdate.exe
Token: SeImpersonatePrivilege	2852	winupdate.exe
Token: SeCreateGlobalPrivilege	2852	winupdate.exe
Token: 33	2852	winupdate.exe
Token: 34	2852	winupdate.exe
Token: 35	2852	winupdate.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
2684	winupdate.exe
2684	winupdate.exe
2852	winupdate.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 3032 wrote to memory of 1452	3032	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	30
PID 1452 wrote to memory of 2684	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	31
PID 1452 wrote to memory of 2684	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	31
PID 1452 wrote to memory of 2684	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	31
PID 1452 wrote to memory of 2684	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	31
PID 1452 wrote to memory of 2684	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	31
PID 1452 wrote to memory of 2684	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	31
PID 1452 wrote to memory of 2684	1452	JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe	31
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32
PID 2684 wrote to memory of 2852	2684	winupdate.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d722bc17e3db64b1646e84d80f4d6426.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Checks BIOS information in registry
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1452
- - C:\Windupdt\winupdate.exe
    "C:\Windupdt\winupdate.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:2684
  - - C:\Windupdt\winupdate.exe
      "C:\Windupdt\winupdate.exe"
      4⤵
      Checks BIOS information in registry
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Checks processor information in registry
      Enumerates system info in registry
      Suspicious behavior: GetForegroundWindowSpam
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2852

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

Winlogon Helper DLL

T1547.004

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Defense Evasion

Modify Registry

T1112

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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Downloads

C:\Windupdt\winupdate.exe

Filesize
828KB

MD5
d722bc17e3db64b1646e84d80f4d6426

SHA1
67ed8eb49b7900319444d050cb081b0c7e8cd1d6

SHA256
0d14c7464ae4d5cf9fc9f235e17a781025564db99b2a086b633c4f5dbbcd5867

SHA512
b03d35e5d7ab11a0958b8f9923fb5b4305c0a7a9448c53e7972717a0f725274efb86e73608785509f9df8e029e98cde38e70b9f50951485901b011c021cf71cd

Download Submit
memory/1452-2-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1452-3-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1452-5-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1452-6-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1452-8-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/1452-21-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2684-30-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download
memory/2852-40-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-50-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-31-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-37-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-39-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-41-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-55-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-38-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-42-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-43-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-44-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-45-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-46-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-47-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-48-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-49-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-36-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-51-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-52-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-53-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2852-54-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/3032-4-0x0000000000400000-0x000000000040E000-memory.dmp

Filesize
56KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads