darkcomet | cfc2d17d7fe68e92efbbb7aa7b73881cb34abf1e7f4339017262d5e88bc6e1b2

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
26-11-2024 04:25

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General

Target

9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe
Size

1.1MB
MD5

9fcf12283d2cdcf26403bff7fb401f4a
SHA1

8ad723a588c0305a76b7da44ac325c465806f291
SHA256

cfc2d17d7fe68e92efbbb7aa7b73881cb34abf1e7f4339017262d5e88bc6e1b2
SHA512

ec4cc0d6cf86034f088e94a9b8eb725da2988b2ee3c27520e1a2dc2c163abe406dc9565ed84cb74d4cca51a772282b125d124331a024d8f5345fca63c80c3d8e
SSDEEP

24576:5MHjjQ5pLGmTqqGf4rL9EGlZH+scaEulF5xoC/5Iq:aAHim+5DGq5duln2E

Score

10^/10

darkcomet guest16 discovery evasion persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

ultr4fucker.no-ip.org:1604

ultr4fucker.no-ip.org:1602

Mutex

DC_MUTEX-3S67JWT

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
wauaoWNzC5fn
install
true
offline_keylogger
true
persistence
true
reg_key
svchost

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:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	svchost.exe

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
2612	attrib.exe
580	attrib.exe

Executes dropped EXE 2 IoCs

pid	Process
2812	svchost.exe
1772	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe
2812	svchost.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\1434 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1434.exe"	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows\CurrentVersion\Run\svchost = "C:\\Windows\\system32\\MSDCSC\\msdcsc.exe"	svchost.exe

Drops file in System32 directory 3 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\msdcsc.exe	svchost.exe
File opened for modification	C:\Windows\SysWOW64\MSDCSC\	svchost.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2232 set thread context of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30

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	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
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

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2812	svchost.exe
Token: SeSecurityPrivilege	2812	svchost.exe
Token: SeTakeOwnershipPrivilege	2812	svchost.exe
Token: SeLoadDriverPrivilege	2812	svchost.exe
Token: SeSystemProfilePrivilege	2812	svchost.exe
Token: SeSystemtimePrivilege	2812	svchost.exe
Token: SeProfSingleProcessPrivilege	2812	svchost.exe
Token: SeIncBasePriorityPrivilege	2812	svchost.exe
Token: SeCreatePagefilePrivilege	2812	svchost.exe
Token: SeBackupPrivilege	2812	svchost.exe
Token: SeRestorePrivilege	2812	svchost.exe
Token: SeShutdownPrivilege	2812	svchost.exe
Token: SeDebugPrivilege	2812	svchost.exe
Token: SeSystemEnvironmentPrivilege	2812	svchost.exe
Token: SeChangeNotifyPrivilege	2812	svchost.exe
Token: SeRemoteShutdownPrivilege	2812	svchost.exe
Token: SeUndockPrivilege	2812	svchost.exe
Token: SeManageVolumePrivilege	2812	svchost.exe
Token: SeImpersonatePrivilege	2812	svchost.exe
Token: SeCreateGlobalPrivilege	2812	svchost.exe
Token: 33	2812	svchost.exe
Token: 34	2812	svchost.exe
Token: 35	2812	svchost.exe

Suspicious use of WriteProcessMemory 51 IoCs

description	pid	Process	procid_target
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2232 wrote to memory of 2812	2232	9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe	30
PID 2812 wrote to memory of 2772	2812	svchost.exe	31
PID 2812 wrote to memory of 2772	2812	svchost.exe	31
PID 2812 wrote to memory of 2772	2812	svchost.exe	31
PID 2812 wrote to memory of 2772	2812	svchost.exe	31
PID 2812 wrote to memory of 2816	2812	svchost.exe	33
PID 2812 wrote to memory of 2816	2812	svchost.exe	33
PID 2812 wrote to memory of 2816	2812	svchost.exe	33
PID 2812 wrote to memory of 2816	2812	svchost.exe	33
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2812 wrote to memory of 2600	2812	svchost.exe	35
PID 2772 wrote to memory of 2612	2772	cmd.exe	36
PID 2772 wrote to memory of 2612	2772	cmd.exe	36
PID 2772 wrote to memory of 2612	2772	cmd.exe	36
PID 2772 wrote to memory of 2612	2772	cmd.exe	36
PID 2816 wrote to memory of 580	2816	cmd.exe	37
PID 2816 wrote to memory of 580	2816	cmd.exe	37
PID 2816 wrote to memory of 580	2816	cmd.exe	37
PID 2816 wrote to memory of 580	2816	cmd.exe	37
PID 2812 wrote to memory of 1772	2812	svchost.exe	38
PID 2812 wrote to memory of 1772	2812	svchost.exe	38
PID 2812 wrote to memory of 1772	2812	svchost.exe	38
PID 2812 wrote to memory of 1772	2812	svchost.exe	38

Views/modifies file attributes 1 TTPs 2 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
580	attrib.exe
2612	attrib.exe

C:\Users\Admin\AppData\Local\Temp\9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9fcf12283d2cdcf26403bff7fb401f4a_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2232
- C:\Users\Admin\AppData\Local\Temp\App\svchost.exe
  C:\Users\Admin\AppData\Local\Temp\\App\svchost.exe
  2⤵
  - Modifies WinLogon for persistence
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2812
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\App\svchost.exe" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2772
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\App\svchost.exe" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:2612
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\App" +s +h
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2816
  - - C:\Windows\SysWOW64\attrib.exe
      attrib "C:\Users\Admin\AppData\Local\Temp\App" +s +h
      4⤵
      Sets file to hidden
      System Location Discovery: System Language Discovery
      Views/modifies file attributes
      PID:580
- - C:\Windows\SysWOW64\notepad.exe
    notepad
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2600
- - C:\Windows\SysWOW64\MSDCSC\msdcsc.exe
    "C:\Windows\system32\MSDCSC\msdcsc.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:1772

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

Hide Artifacts

T1564

Hidden Files and Directories

T1564.001

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

\Users\Admin\AppData\Local\Temp\App\svchost.exe

Filesize
1.1MB

MD5
34aa912defa18c2c129f1e09d75c1d7e

SHA1
9c3046324657505a30ecd9b1fdb46c05bde7d470

SHA256
6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

SHA512
d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

Download Submit
memory/2232-36-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

Filesize
256KB

Download
memory/2232-1-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2232-2-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2232-65-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

Filesize
256KB

Download
memory/2232-64-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2232-0-0x0000000074461000-0x0000000074462000-memory.dmp

Filesize
4KB

Download
memory/2232-60-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2232-37-0x0000000001FA0000-0x0000000001FE0000-memory.dmp

Filesize
256KB

Download
memory/2600-53-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download
memory/2600-38-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/2812-32-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-21-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-16-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-14-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-11-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-23-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-19-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-18-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2812-27-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-30-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-61-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-31-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download
memory/2812-9-0x0000000000400000-0x00000000004CB000-memory.dmp

Filesize
812KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads