darkcomet | b5ee0db5d1c48ee5332bfc4c05d7cfafd56a70da866895e7734ad3f9064e6a67

Analysis

max time kernel
149s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 17:57

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General

Target

fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Size

696KB
MD5

fcd7b2c234bb370899961b06f1dd2783
SHA1

04c7d556f6a5cbba897324bbb8de1aa0ae988c5a
SHA256

b5ee0db5d1c48ee5332bfc4c05d7cfafd56a70da866895e7734ad3f9064e6a67
SHA512

523595c1dda22eabebbcd44a261581c114fe736d21b89603e59aaacfb3c9b3c42d83be88171d0a63e356ee522683afcd86a042122bd674336b84158024a5d582
SSDEEP

12288:nNX7HlO0Isvp4lak7gvdyjW46fZo1a60tXMQO8v+eA7XehOgOs:nzOxI4la5VCoow658v+eA76R

Score

10^/10

darkcomet latentbot hf discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

192.168.0.2:100

surfingforus.zapto.org:100

Mutex

DC_MUTEX-B4DJA70

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
ShXk49WH4tyF
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

Extracted

Family

latentbot

surfingforus.zapto.org

Signatures

Darkcomet
DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.
trojan rat darkcomet
LatentBot
Modular trojan written in Delphi which has been in-the-wild since 2013.
trojan latentbot

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

Processes:

fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\UserInit = "C:\\Windows\\system32\\userinit.exe,C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe

Executes dropped EXE 2 IoCs

Processes:

msdcsc.exemsdcsc.exe

pid	Process
2712	msdcsc.exe
2724	msdcsc.exe

Loads dropped DLL 3 IoCs

Processes:

fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exemsdcsc.exe

pid	Process
2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
2712	msdcsc.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe

Suspicious use of SetThreadContext 2 IoCs

Processes:

fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exemsdcsc.exe

description	pid	Process	procid_target
PID 2072 set thread context of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2712 set thread context of 2724	2712	msdcsc.exe	33

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 5 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

Processes:

msdcsc.exemsdcsc.exenotepad.exefcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exefcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	notepad.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 46 IoCs

Processes:

fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exemsdcsc.exe

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeSecurityPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeTakeOwnershipPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeLoadDriverPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeSystemProfilePrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeSystemtimePrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeProfSingleProcessPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeIncBasePriorityPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeCreatePagefilePrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeBackupPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeRestorePrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeShutdownPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeDebugPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeSystemEnvironmentPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeChangeNotifyPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeRemoteShutdownPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeUndockPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeManageVolumePrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeImpersonatePrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeCreateGlobalPrivilege	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: 33	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: 34	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: 35	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
Token: SeIncreaseQuotaPrivilege	2724	msdcsc.exe
Token: SeSecurityPrivilege	2724	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2724	msdcsc.exe
Token: SeLoadDriverPrivilege	2724	msdcsc.exe
Token: SeSystemProfilePrivilege	2724	msdcsc.exe
Token: SeSystemtimePrivilege	2724	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2724	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2724	msdcsc.exe
Token: SeCreatePagefilePrivilege	2724	msdcsc.exe
Token: SeBackupPrivilege	2724	msdcsc.exe
Token: SeRestorePrivilege	2724	msdcsc.exe
Token: SeShutdownPrivilege	2724	msdcsc.exe
Token: SeDebugPrivilege	2724	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2724	msdcsc.exe
Token: SeChangeNotifyPrivilege	2724	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2724	msdcsc.exe
Token: SeUndockPrivilege	2724	msdcsc.exe
Token: SeManageVolumePrivilege	2724	msdcsc.exe
Token: SeImpersonatePrivilege	2724	msdcsc.exe
Token: SeCreateGlobalPrivilege	2724	msdcsc.exe
Token: 33	2724	msdcsc.exe
Token: 34	2724	msdcsc.exe
Token: 35	2724	msdcsc.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exemsdcsc.exemsdcsc.exe

pid	Process
2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
2712	msdcsc.exe
2724	msdcsc.exe

Suspicious use of WriteProcessMemory 53 IoCs

Processes:

fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exefcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exemsdcsc.exemsdcsc.exe

description	pid	Process	procid_target
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2072 wrote to memory of 2548	2072	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	31
PID 2548 wrote to memory of 2712	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	32
PID 2548 wrote to memory of 2712	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	32
PID 2548 wrote to memory of 2712	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	32
PID 2548 wrote to memory of 2712	2548	fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe	32
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2712 wrote to memory of 2724	2712	msdcsc.exe	33
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34
PID 2724 wrote to memory of 2644	2724	msdcsc.exe	34

C:\Users\Admin\AppData\Local\Temp\fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2072
- C:\Users\Admin\AppData\Local\Temp\fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.exe
  C:\Users\Admin\AppData\Local\Temp\fcd7b2c234bb370899961b06f1dd2783_JaffaCakes118.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:2548
- - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
    "C:\Users\Admin\Documents\MSDCSC\msdcsc.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:2712
  - - C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2724
    - - C:\Windows\SysWOW64\notepad.exe
        
        notepad
        5⤵
        System Location Discovery: System Language Discovery
        
        PID:2644

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

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\Documents\MSDCSC\msdcsc.exe

Filesize
696KB

MD5
fcd7b2c234bb370899961b06f1dd2783

SHA1
04c7d556f6a5cbba897324bbb8de1aa0ae988c5a

SHA256
b5ee0db5d1c48ee5332bfc4c05d7cfafd56a70da866895e7734ad3f9064e6a67

SHA512
523595c1dda22eabebbcd44a261581c114fe736d21b89603e59aaacfb3c9b3c42d83be88171d0a63e356ee522683afcd86a042122bd674336b84158024a5d582

Download Submit
memory/2548-4-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-16-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2548-24-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-2-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-14-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-10-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-8-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-6-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-13-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-23-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-22-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-20-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-21-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2548-100-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2644-65-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2644-97-0x0000000000270000-0x0000000000271000-memory.dmp

Filesize
4KB

Download
memory/2724-63-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2724-62-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2724-64-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download
memory/2724-101-0x0000000000400000-0x00000000004B2000-memory.dmp

Filesize
712KB

Download