darkcomet | a3ce9ec78bac0a90dc36327e50c77558845b8c791b0236da52a13c4b0e292bfb

Analysis

max time kernel
174s
max time network
172s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/02/2025, 08:28

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General

Target

hallowee.exe
Size

756KB
MD5

db5874bcdde995898c147acba7cdd090
SHA1

8a84afe9638b734c9860f7dc843b5f10dbc60e1f
SHA256

a3ce9ec78bac0a90dc36327e50c77558845b8c791b0236da52a13c4b0e292bfb
SHA512

e1c8bd0d9f899e7273026aeef43fae5c77f154ab0798fbef9940860de2dc59dff5ae0470e808c3ff317efb3cd05a64a60a6a5261e6cf9d08362e50cea3e9ca68
SSDEEP

12288:n9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h0vvNVRy:BZ1xuVVjfFoynPaVBUR8f+kN10EByvzY

Score

10^/10

darkcomet guest16 discovery persistence rat trojan

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

108.231.94.28:10135

Mutex

DC_MUTEX-6WSQ4YS

Attributes

InstallPath
MSDCSC\msdcsc.exe
gencode
MSUiLg7htiYL
install
true
offline_keylogger
true
persistence
false
reg_key
MicroUpdate

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:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	hallowee.exe

Executes dropped EXE 1 IoCs

pid	Process
2456	msdcsc.exe

Loads dropped DLL 2 IoCs

pid	Process
1660	hallowee.exe
1660	hallowee.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\MicroUpdate = "C:\\Users\\Admin\\Documents\\MSDCSC\\msdcsc.exe"	hallowee.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 3 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	hallowee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	msdcsc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious use of AdjustPrivilegeToken 50 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	1660	hallowee.exe
Token: SeSecurityPrivilege	1660	hallowee.exe
Token: SeTakeOwnershipPrivilege	1660	hallowee.exe
Token: SeLoadDriverPrivilege	1660	hallowee.exe
Token: SeSystemProfilePrivilege	1660	hallowee.exe
Token: SeSystemtimePrivilege	1660	hallowee.exe
Token: SeProfSingleProcessPrivilege	1660	hallowee.exe
Token: SeIncBasePriorityPrivilege	1660	hallowee.exe
Token: SeCreatePagefilePrivilege	1660	hallowee.exe
Token: SeBackupPrivilege	1660	hallowee.exe
Token: SeRestorePrivilege	1660	hallowee.exe
Token: SeShutdownPrivilege	1660	hallowee.exe
Token: SeDebugPrivilege	1660	hallowee.exe
Token: SeSystemEnvironmentPrivilege	1660	hallowee.exe
Token: SeChangeNotifyPrivilege	1660	hallowee.exe
Token: SeRemoteShutdownPrivilege	1660	hallowee.exe
Token: SeUndockPrivilege	1660	hallowee.exe
Token: SeManageVolumePrivilege	1660	hallowee.exe
Token: SeImpersonatePrivilege	1660	hallowee.exe
Token: SeCreateGlobalPrivilege	1660	hallowee.exe
Token: 33	1660	hallowee.exe
Token: 34	1660	hallowee.exe
Token: 35	1660	hallowee.exe
Token: SeIncreaseQuotaPrivilege	2456	msdcsc.exe
Token: SeSecurityPrivilege	2456	msdcsc.exe
Token: SeTakeOwnershipPrivilege	2456	msdcsc.exe
Token: SeLoadDriverPrivilege	2456	msdcsc.exe
Token: SeSystemProfilePrivilege	2456	msdcsc.exe
Token: SeSystemtimePrivilege	2456	msdcsc.exe
Token: SeProfSingleProcessPrivilege	2456	msdcsc.exe
Token: SeIncBasePriorityPrivilege	2456	msdcsc.exe
Token: SeCreatePagefilePrivilege	2456	msdcsc.exe
Token: SeBackupPrivilege	2456	msdcsc.exe
Token: SeRestorePrivilege	2456	msdcsc.exe
Token: SeShutdownPrivilege	2456	msdcsc.exe
Token: SeDebugPrivilege	2456	msdcsc.exe
Token: SeSystemEnvironmentPrivilege	2456	msdcsc.exe
Token: SeChangeNotifyPrivilege	2456	msdcsc.exe
Token: SeRemoteShutdownPrivilege	2456	msdcsc.exe
Token: SeUndockPrivilege	2456	msdcsc.exe
Token: SeManageVolumePrivilege	2456	msdcsc.exe
Token: SeImpersonatePrivilege	2456	msdcsc.exe
Token: SeCreateGlobalPrivilege	2456	msdcsc.exe
Token: 33	2456	msdcsc.exe
Token: 34	2456	msdcsc.exe
Token: 35	2456	msdcsc.exe
Token: 33	2480	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2480	AUDIODG.EXE
Token: 33	2480	AUDIODG.EXE
Token: SeIncBasePriorityPrivilege	2480	AUDIODG.EXE

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2456	msdcsc.exe
2456	msdcsc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2456	msdcsc.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 2456	1660	hallowee.exe	31
PID 1660 wrote to memory of 2456	1660	hallowee.exe	31
PID 1660 wrote to memory of 2456	1660	hallowee.exe	31
PID 1660 wrote to memory of 2456	1660	hallowee.exe	31
PID 2456 wrote to memory of 2508	2456	msdcsc.exe	33
PID 2456 wrote to memory of 2508	2456	msdcsc.exe	33
PID 2456 wrote to memory of 2508	2456	msdcsc.exe	33
PID 2456 wrote to memory of 2508	2456	msdcsc.exe	33

C:\Users\Admin\AppData\Local\Temp\hallowee.exe
"C:\Users\Admin\AppData\Local\Temp\hallowee.exe"
1⤵
- 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:1660
- C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
  "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2456
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\System32\cmd.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2508

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2948

C:\Windows\system32\AUDIODG.EXE
C:\Windows\system32\AUDIODG.EXE 0x2ec
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:2480

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

\Users\Admin\Documents\MSDCSC\msdcsc.exe

Filesize
756KB

MD5
db5874bcdde995898c147acba7cdd090

SHA1
8a84afe9638b734c9860f7dc843b5f10dbc60e1f

SHA256
a3ce9ec78bac0a90dc36327e50c77558845b8c791b0236da52a13c4b0e292bfb

SHA512
e1c8bd0d9f899e7273026aeef43fae5c77f154ab0798fbef9940860de2dc59dff5ae0470e808c3ff317efb3cd05a64a60a6a5261e6cf9d08362e50cea3e9ca68

Download Submit
memory/1660-13-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/1660-0-0x0000000000260000-0x0000000000261000-memory.dmp

Filesize
4KB

Download
memory/2456-23-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-25-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-17-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-18-0x00000000033E0000-0x00000000033E1000-memory.dmp

Filesize
4KB

Download
memory/2456-19-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-21-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-22-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-11-0x0000000000370000-0x0000000000371000-memory.dmp

Filesize
4KB

Download
memory/2456-24-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-14-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-26-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-27-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-28-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-29-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-30-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-31-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download
memory/2456-32-0x0000000000400000-0x00000000004CA000-memory.dmp

Filesize
808KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads