darkcomet | 582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
22/01/2025, 23:36

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General

Target

582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe
Size

520KB
MD5

0cec10f543c918424a1c7d4443ce15cd
SHA1

a276d1f10d2c8c3bfade2eaee55968f765c2e2aa
SHA256

582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3
SHA512

7733d3c5c8ee1816fcb69348679959448429db302ea96c3ae7d4663bc0bcf364679a374c25e319e473fa3d88dddcddffca47d409a549a4cd675475900bb1110c
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb0:f9fC3hh29Ya77A90aFtDfT5IMb0

Score

10^/10

darkcomet privateeye discovery persistence rat trojan upx

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

ratblackshades.no-ip.biz:1604

Mutex

DC_MUTEX-ACC1R98

Attributes

gencode
8GG5LVVGljSF
install
false
offline_keylogger
true
persistence
false

Signatures

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

Executes dropped EXE 3 IoCs

pid	Process
2240	winupd.exe
2540	winupd.exe
2212	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2840	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe
2840	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe
2240	winupd.exe
2240	winupd.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\WinUpdate = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\winupd.exe -notray"	reg.exe

Suspicious use of SetThreadContext 3 IoCs

description	pid	Process	procid_target
PID 2768 set thread context of 2840	2768	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	30
PID 2240 set thread context of 2540	2240	winupd.exe	32
PID 2240 set thread context of 2212	2240	winupd.exe	33

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2212-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-58-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-96-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-97-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-98-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-99-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2212-100-0x0000000000400000-0x00000000004B7000-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 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe

Gathers network information 2 TTPs 1 IoCs

Uses commandline utility to view network configuration.

System Information Discovery

T1082

Command and Scripting Interpreter

T1059

pid	Process
1432	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
1852	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2212	winupd.exe
Token: SeSecurityPrivilege	2212	winupd.exe
Token: SeTakeOwnershipPrivilege	2212	winupd.exe
Token: SeLoadDriverPrivilege	2212	winupd.exe
Token: SeSystemProfilePrivilege	2212	winupd.exe
Token: SeSystemtimePrivilege	2212	winupd.exe
Token: SeProfSingleProcessPrivilege	2212	winupd.exe
Token: SeIncBasePriorityPrivilege	2212	winupd.exe
Token: SeCreatePagefilePrivilege	2212	winupd.exe
Token: SeBackupPrivilege	2212	winupd.exe
Token: SeRestorePrivilege	2212	winupd.exe
Token: SeShutdownPrivilege	2212	winupd.exe
Token: SeDebugPrivilege	2212	winupd.exe
Token: SeSystemEnvironmentPrivilege	2212	winupd.exe
Token: SeChangeNotifyPrivilege	2212	winupd.exe
Token: SeRemoteShutdownPrivilege	2212	winupd.exe
Token: SeUndockPrivilege	2212	winupd.exe
Token: SeManageVolumePrivilege	2212	winupd.exe
Token: SeImpersonatePrivilege	2212	winupd.exe
Token: SeCreateGlobalPrivilege	2212	winupd.exe
Token: 33	2212	winupd.exe
Token: 34	2212	winupd.exe
Token: 35	2212	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2768	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe
2840	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe
2240	winupd.exe
2540	winupd.exe
2212	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2840	2768	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	30
PID 2768 wrote to memory of 2840	2768	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	30
PID 2768 wrote to memory of 2840	2768	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	30
PID 2768 wrote to memory of 2840	2768	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	30
PID 2768 wrote to memory of 2840	2768	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	30
PID 2768 wrote to memory of 2840	2768	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	30
PID 2768 wrote to memory of 2840	2768	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	30
PID 2768 wrote to memory of 2840	2768	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	30
PID 2768 wrote to memory of 2840	2768	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	30
PID 2840 wrote to memory of 2240	2840	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	31
PID 2840 wrote to memory of 2240	2840	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	31
PID 2840 wrote to memory of 2240	2840	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	31
PID 2840 wrote to memory of 2240	2840	582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe	31
PID 2240 wrote to memory of 2540	2240	winupd.exe	32
PID 2240 wrote to memory of 2540	2240	winupd.exe	32
PID 2240 wrote to memory of 2540	2240	winupd.exe	32
PID 2240 wrote to memory of 2540	2240	winupd.exe	32
PID 2240 wrote to memory of 2540	2240	winupd.exe	32
PID 2240 wrote to memory of 2540	2240	winupd.exe	32
PID 2240 wrote to memory of 2540	2240	winupd.exe	32
PID 2240 wrote to memory of 2540	2240	winupd.exe	32
PID 2240 wrote to memory of 2540	2240	winupd.exe	32
PID 2240 wrote to memory of 2212	2240	winupd.exe	33
PID 2240 wrote to memory of 2212	2240	winupd.exe	33
PID 2240 wrote to memory of 2212	2240	winupd.exe	33
PID 2240 wrote to memory of 2212	2240	winupd.exe	33
PID 2240 wrote to memory of 2212	2240	winupd.exe	33
PID 2240 wrote to memory of 2212	2240	winupd.exe	33
PID 2240 wrote to memory of 2212	2240	winupd.exe	33
PID 2240 wrote to memory of 2212	2240	winupd.exe	33
PID 2540 wrote to memory of 1432	2540	winupd.exe	34
PID 2540 wrote to memory of 1432	2540	winupd.exe	34
PID 2540 wrote to memory of 1432	2540	winupd.exe	34
PID 2540 wrote to memory of 1432	2540	winupd.exe	34
PID 2540 wrote to memory of 1432	2540	winupd.exe	34
PID 2540 wrote to memory of 1432	2540	winupd.exe	34
PID 1432 wrote to memory of 1600	1432	ipconfig.exe	36
PID 1432 wrote to memory of 1600	1432	ipconfig.exe	36
PID 1432 wrote to memory of 1600	1432	ipconfig.exe	36
PID 1432 wrote to memory of 1600	1432	ipconfig.exe	36
PID 1600 wrote to memory of 1852	1600	cmd.exe	38
PID 1600 wrote to memory of 1852	1600	cmd.exe	38
PID 1600 wrote to memory of 1852	1600	cmd.exe	38
PID 1600 wrote to memory of 1852	1600	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe
"C:\Users\Admin\AppData\Local\Temp\582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Users\Admin\AppData\Local\Temp\582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe
  "C:\Users\Admin\AppData\Local\Temp\582777d7e6278c2fb27bfbbff612f6c6d20d5950f37cd51b83e5c87cc45b49d3.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2840
- - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
    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:2240
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      PID:2540
    - - C:\Windows\SysWOW64\ipconfig.exe
        
        "C:\Windows\system32\ipconfig.exe"
        5⤵
        System Location Discovery: System Language Discovery
        Gathers network information
        Suspicious use of WriteProcessMemory
        
        PID:1432
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\HDRXPGQJ.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:1600
        
        C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Run /v WinUpdate /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray" /f
        7⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        Modifies registry key
        
        PID:1852
  - - C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
      4⤵
      Executes dropped EXE
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:2212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\HDRXPGQJ.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\winupd.exe

Filesize
520KB

MD5
d8e707727267d83b952ed0d84e931d4e

SHA1
f8c09f073408f99a278b696724f62687641db730

SHA256
519be19a2f07f0fb154481c07ae35251e05e60da737d33debc7749d4e5aa842a

SHA512
405457f4f76687fb5c46e73217ded3e897d5a2b2f0987089e26dba5f6b3d411c3eaa4e0948a424b79cab023813e75f5eee42958f0d313ffd148e36625ae935d9

Download Submit
memory/1432-79-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2212-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-100-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-99-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-98-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-97-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-58-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2212-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2240-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2240-33-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2240-63-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2540-68-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2540-86-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2768-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2768-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2768-17-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2768-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2768-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2840-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2840-71-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2840-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2840-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2840-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2840-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads