darkcomet | 524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5

Analysis

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

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 16:40

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General

Target

524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
Size

520KB
MD5

b5f9d5be9ef81d9df4c75d1cd858935d
SHA1

f9d069a7caf694868e72d3a966df3d6dd0c1d344
SHA256

524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5
SHA512

513b7eddde98d0ce24ed7916a894d0ed204705658f0b6906427b41ab04158f0d7cd6f3c3ae267e11b677462b655567d938aaa254d4647f216c33b92e4331a9b0
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb2:f9fC3hh29Ya77A90aFtDfT5IMb2

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
2404	winupd.exe
2864	winupd.exe
2836	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2112	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
2112	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
2404	winupd.exe
2404	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-1-5-21-4177215427-74451935-3209572229-1000\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 2156 set thread context of 2112	2156	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2404 set thread context of 2864	2404	winupd.exe	32
PID 2404 set thread context of 2836	2404	winupd.exe	33

UPX packed file 23 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2836-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-69-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-63-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-70-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2836-95-0x0000000000400000-0x00000000004B7000-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	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	ipconfig.exe
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	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winupd.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
2720	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2612	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2836	winupd.exe
Token: SeSecurityPrivilege	2836	winupd.exe
Token: SeTakeOwnershipPrivilege	2836	winupd.exe
Token: SeLoadDriverPrivilege	2836	winupd.exe
Token: SeSystemProfilePrivilege	2836	winupd.exe
Token: SeSystemtimePrivilege	2836	winupd.exe
Token: SeProfSingleProcessPrivilege	2836	winupd.exe
Token: SeIncBasePriorityPrivilege	2836	winupd.exe
Token: SeCreatePagefilePrivilege	2836	winupd.exe
Token: SeBackupPrivilege	2836	winupd.exe
Token: SeRestorePrivilege	2836	winupd.exe
Token: SeShutdownPrivilege	2836	winupd.exe
Token: SeDebugPrivilege	2836	winupd.exe
Token: SeSystemEnvironmentPrivilege	2836	winupd.exe
Token: SeChangeNotifyPrivilege	2836	winupd.exe
Token: SeRemoteShutdownPrivilege	2836	winupd.exe
Token: SeUndockPrivilege	2836	winupd.exe
Token: SeManageVolumePrivilege	2836	winupd.exe
Token: SeImpersonatePrivilege	2836	winupd.exe
Token: SeCreateGlobalPrivilege	2836	winupd.exe
Token: 33	2836	winupd.exe
Token: 34	2836	winupd.exe
Token: 35	2836	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2156	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
2112	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
2404	winupd.exe
2864	winupd.exe
2836	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2112	2156	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2156 wrote to memory of 2112	2156	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2156 wrote to memory of 2112	2156	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2156 wrote to memory of 2112	2156	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2156 wrote to memory of 2112	2156	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2156 wrote to memory of 2112	2156	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2156 wrote to memory of 2112	2156	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2156 wrote to memory of 2112	2156	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2156 wrote to memory of 2112	2156	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	30
PID 2112 wrote to memory of 2404	2112	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	31
PID 2112 wrote to memory of 2404	2112	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	31
PID 2112 wrote to memory of 2404	2112	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	31
PID 2112 wrote to memory of 2404	2112	524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe	31
PID 2404 wrote to memory of 2864	2404	winupd.exe	32
PID 2404 wrote to memory of 2864	2404	winupd.exe	32
PID 2404 wrote to memory of 2864	2404	winupd.exe	32
PID 2404 wrote to memory of 2864	2404	winupd.exe	32
PID 2404 wrote to memory of 2864	2404	winupd.exe	32
PID 2404 wrote to memory of 2864	2404	winupd.exe	32
PID 2404 wrote to memory of 2864	2404	winupd.exe	32
PID 2404 wrote to memory of 2864	2404	winupd.exe	32
PID 2404 wrote to memory of 2864	2404	winupd.exe	32
PID 2404 wrote to memory of 2836	2404	winupd.exe	33
PID 2404 wrote to memory of 2836	2404	winupd.exe	33
PID 2404 wrote to memory of 2836	2404	winupd.exe	33
PID 2404 wrote to memory of 2836	2404	winupd.exe	33
PID 2864 wrote to memory of 2720	2864	winupd.exe	34
PID 2864 wrote to memory of 2720	2864	winupd.exe	34
PID 2864 wrote to memory of 2720	2864	winupd.exe	34
PID 2864 wrote to memory of 2720	2864	winupd.exe	34
PID 2864 wrote to memory of 2720	2864	winupd.exe	34
PID 2864 wrote to memory of 2720	2864	winupd.exe	34
PID 2404 wrote to memory of 2836	2404	winupd.exe	33
PID 2404 wrote to memory of 2836	2404	winupd.exe	33
PID 2404 wrote to memory of 2836	2404	winupd.exe	33
PID 2404 wrote to memory of 2836	2404	winupd.exe	33
PID 2720 wrote to memory of 2644	2720	ipconfig.exe	36
PID 2720 wrote to memory of 2644	2720	ipconfig.exe	36
PID 2720 wrote to memory of 2644	2720	ipconfig.exe	36
PID 2720 wrote to memory of 2644	2720	ipconfig.exe	36
PID 2644 wrote to memory of 2612	2644	cmd.exe	38
PID 2644 wrote to memory of 2612	2644	cmd.exe	38
PID 2644 wrote to memory of 2612	2644	cmd.exe	38
PID 2644 wrote to memory of 2612	2644	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
"C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe
  "C:\Users\Admin\AppData\Local\Temp\524029180d6e67d204ea0db7c5f8bbd0883d093787f3d6a5914e70f9b6fe04c5.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2112
- - 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:2404
  - - 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:2864
    - - 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:2720
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\IDSXQGQK.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2644
        
        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:2612
  - - 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:2836

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\IDSXQGQK.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
baab218b85bcbcb47715a353c149f3b0

SHA1
8f4173b6bfbea5bf30e33b1b700e7f9a1c213cdb

SHA256
454d4815c9eabc558b08b521783b32c6741da772ada89be4b146ae867de01253

SHA512
7cbe2f04864f082b6ef63bd3e31378bf629e4169d519fc52cab25258461c2767055e0a63cb46896a715359d65c9d263a9a156e8ed8418b3a29fb9d1076d9d8b3

Download Submit
memory/2112-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2112-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2112-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2112-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2112-22-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2112-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2112-77-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2156-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2156-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2156-16-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2156-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2156-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2404-37-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2404-34-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2404-71-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2720-59-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2836-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-63-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-79-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-57-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-70-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-69-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2836-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2864-81-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2864-56-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads