darkcomet | 82e7d365b90b48959719ab0848bff83015b3e86f06a05a3bed69af22d65af037

Analysis

max time kernel
115s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
25/02/2025, 22:15

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General

Target

JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Size

268KB
MD5

22fe23b07b4107b15c83376182bddb4b
SHA1

fe4efcc97c60539e039f854dc0007c5f88911093
SHA256

82e7d365b90b48959719ab0848bff83015b3e86f06a05a3bed69af22d65af037
SHA512

ccfd2f7f986420992ec8ee7719a6fafcf460a84b0a8a1554540914ee7784cc0d4064da45361f31b24ef8f1d5e994decd31a9efeee085b1efdd5986bd4078b72f
SSDEEP

6144:C81+gFIaJKvf6XhgvtL5r2nL148zPNwjs+jed0G57Bjkc3e:GgfJK36VnR48z+c

Score

10^/10

darkcomet wow discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

wow

masiina.zapto.org:1605

Mutex

DC_MUTEX-M7ABLXH

Attributes

InstallPath
Windupdt\winupdate.exe
gencode
AXrYn3ttVRgY
install
true
offline_keylogger
false
persistence
false
reg_key
winupdater

rc4.plain

Extracted

Family

darkcomet

Attributes

gencode
install
false
offline_keylogger
false
persistence
false

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_22fe23b07b4107b15c83376182bddb4b.exe

Deletes itself 1 IoCs

pid	Process
2604	cmd.exe

Executes dropped EXE 2 IoCs

pid	Process
1248	winupdate.exe
2756	winupdate.exe

Loads dropped DLL 8 IoCs

pid	Process
1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
1248	winupdate.exe
1248	winupdate.exe
1248	winupdate.exe
1248	winupdate.exe
2756	winupdate.exe
2756	winupdate.exe
2756	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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\winupdater = "C:\\Windupdt\\winupdate.exe"	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 268 set thread context of 1748	268	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	31
PID 1248 set thread context of 2756	1248	winupdate.exe	36

UPX packed file 32 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1748-3-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/1748-8-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/1748-9-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/1748-7-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/1748-4-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/1748-10-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/1748-12-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/1748-11-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/1748-24-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-46-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-39-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-47-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-45-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-44-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-48-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-49-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-50-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-52-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-51-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-53-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-54-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-55-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-56-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-57-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-58-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-59-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-60-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-61-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-62-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-63-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-64-0x0000000000400000-0x00000000004B8000-memory.dmp	upx
behavioral1/memory/2756-65-0x0000000000400000-0x00000000004B8000-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 6 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	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupdate.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2604	cmd.exe
2652	PING.EXE

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2652	PING.EXE

Suspicious use of AdjustPrivilegeToken 46 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeSecurityPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeTakeOwnershipPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeLoadDriverPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeSystemProfilePrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeSystemtimePrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeProfSingleProcessPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeIncBasePriorityPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeCreatePagefilePrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeBackupPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeRestorePrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeShutdownPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeDebugPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeSystemEnvironmentPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeChangeNotifyPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeRemoteShutdownPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeUndockPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeManageVolumePrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeImpersonatePrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeCreateGlobalPrivilege	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: 33	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: 34	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: 35	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
Token: SeIncreaseQuotaPrivilege	2756	winupdate.exe
Token: SeSecurityPrivilege	2756	winupdate.exe
Token: SeTakeOwnershipPrivilege	2756	winupdate.exe
Token: SeLoadDriverPrivilege	2756	winupdate.exe
Token: SeSystemProfilePrivilege	2756	winupdate.exe
Token: SeSystemtimePrivilege	2756	winupdate.exe
Token: SeProfSingleProcessPrivilege	2756	winupdate.exe
Token: SeIncBasePriorityPrivilege	2756	winupdate.exe
Token: SeCreatePagefilePrivilege	2756	winupdate.exe
Token: SeBackupPrivilege	2756	winupdate.exe
Token: SeRestorePrivilege	2756	winupdate.exe
Token: SeShutdownPrivilege	2756	winupdate.exe
Token: SeDebugPrivilege	2756	winupdate.exe
Token: SeSystemEnvironmentPrivilege	2756	winupdate.exe
Token: SeChangeNotifyPrivilege	2756	winupdate.exe
Token: SeRemoteShutdownPrivilege	2756	winupdate.exe
Token: SeUndockPrivilege	2756	winupdate.exe
Token: SeManageVolumePrivilege	2756	winupdate.exe
Token: SeImpersonatePrivilege	2756	winupdate.exe
Token: SeCreateGlobalPrivilege	2756	winupdate.exe
Token: 33	2756	winupdate.exe
Token: 34	2756	winupdate.exe
Token: 35	2756	winupdate.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 268 wrote to memory of 1748	268	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	31
PID 268 wrote to memory of 1748	268	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	31
PID 268 wrote to memory of 1748	268	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	31
PID 268 wrote to memory of 1748	268	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	31
PID 268 wrote to memory of 1748	268	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	31
PID 268 wrote to memory of 1748	268	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	31
PID 268 wrote to memory of 1748	268	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	31
PID 268 wrote to memory of 1748	268	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	31
PID 1748 wrote to memory of 1248	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	32
PID 1748 wrote to memory of 1248	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	32
PID 1748 wrote to memory of 1248	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	32
PID 1748 wrote to memory of 1248	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	32
PID 1748 wrote to memory of 1248	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	32
PID 1748 wrote to memory of 1248	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	32
PID 1748 wrote to memory of 1248	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	32
PID 1748 wrote to memory of 2604	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	33
PID 1748 wrote to memory of 2604	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	33
PID 1748 wrote to memory of 2604	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	33
PID 1748 wrote to memory of 2604	1748	JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe	33
PID 2604 wrote to memory of 2652	2604	cmd.exe	35
PID 2604 wrote to memory of 2652	2604	cmd.exe	35
PID 2604 wrote to memory of 2652	2604	cmd.exe	35
PID 2604 wrote to memory of 2652	2604	cmd.exe	35
PID 1248 wrote to memory of 2756	1248	winupdate.exe	36
PID 1248 wrote to memory of 2756	1248	winupdate.exe	36
PID 1248 wrote to memory of 2756	1248	winupdate.exe	36
PID 1248 wrote to memory of 2756	1248	winupdate.exe	36
PID 1248 wrote to memory of 2756	1248	winupdate.exe	36
PID 1248 wrote to memory of 2756	1248	winupdate.exe	36
PID 1248 wrote to memory of 2756	1248	winupdate.exe	36
PID 1248 wrote to memory of 2756	1248	winupdate.exe	36
PID 1248 wrote to memory of 2756	1248	winupdate.exe	36
PID 1248 wrote to memory of 2756	1248	winupdate.exe	36
PID 1248 wrote to memory of 2756	1248	winupdate.exe	36

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:268
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe"
  2⤵
  - Modifies WinLogon for persistence
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1748
- - 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 WriteProcessMemory
    PID:1248
  - - C:\Windupdt\winupdate.exe
      "C:\Windupdt\winupdate.exe"
      4⤵
      Executes dropped EXE
      Loads dropped DLL
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      PID:2756
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k ping 127.0.0.1 -n 5 > NUL&del "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_22fe23b07b4107b15c83376182bddb4b.exe"
    3⤵
    - Deletes itself
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Suspicious use of WriteProcessMemory
    PID:2604
  - - C:\Windows\SysWOW64\PING.EXE
      ping 127.0.0.1 -n 5
      4⤵
      System Location Discovery: System Language Discovery
      System Network Configuration Discovery: Internet Connection Discovery
      Runs ping.exe
      PID:2652

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

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Windupdt\winupdate.exe

Filesize
268KB

MD5
22fe23b07b4107b15c83376182bddb4b

SHA1
fe4efcc97c60539e039f854dc0007c5f88911093

SHA256
82e7d365b90b48959719ab0848bff83015b3e86f06a05a3bed69af22d65af037

SHA512
ccfd2f7f986420992ec8ee7719a6fafcf460a84b0a8a1554540914ee7784cc0d4064da45361f31b24ef8f1d5e994decd31a9efeee085b1efdd5986bd4078b72f

Download Submit
memory/268-0-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/1748-4-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1748-9-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1748-7-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1748-5-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1748-8-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1748-1-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1748-10-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1748-13-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/1748-12-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1748-11-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1748-3-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/1748-24-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-45-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-53-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-39-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-47-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-34-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2756-44-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-48-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-49-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-50-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-52-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-51-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-46-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-54-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-55-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-56-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-57-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-58-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-59-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-60-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-61-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-62-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-63-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-64-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download
memory/2756-65-0x0000000000400000-0x00000000004B8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads