darkcomet | 596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072

Analysis

max time kernel
120s
max time network
18s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/10/2024, 13:40

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General

Target

596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe
Size

520KB
MD5

edc997ab6c3dab24042b6d6172cb7190
SHA1

c0ec90aec028b25cd2aef1cb5ff5ad1065755bde
SHA256

596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072
SHA512

228d1167494d8f7d38bc6838d3ce1e4c3139d075a6d9a6f8bdd4fdb0826cf71cbda5c0bdb03932a529f74ef59b0b0e73b1efc593b649a3decf005dd8d64a633d
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb5:f9fC3hh29Ya77A90aFtDfT5IMb5

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

Executes dropped EXE 3 IoCs

pid	Process
2740	winupd.exe
2664	winupd.exe
2604	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
2788	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe
2788	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe
2740	winupd.exe
2740	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-1-5-21-1506706701-1246725540-2219210854-1000\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 2676 set thread context of 2788	2676	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	31
PID 2740 set thread context of 2664	2740	winupd.exe	33
PID 2740 set thread context of 2604	2740	winupd.exe	34

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2604-61-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-69-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-58-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-52-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-81-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2604-93-0x0000000000400000-0x00000000004B7000-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	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.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
1456	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
588	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2604	winupd.exe
Token: SeSecurityPrivilege	2604	winupd.exe
Token: SeTakeOwnershipPrivilege	2604	winupd.exe
Token: SeLoadDriverPrivilege	2604	winupd.exe
Token: SeSystemProfilePrivilege	2604	winupd.exe
Token: SeSystemtimePrivilege	2604	winupd.exe
Token: SeProfSingleProcessPrivilege	2604	winupd.exe
Token: SeIncBasePriorityPrivilege	2604	winupd.exe
Token: SeCreatePagefilePrivilege	2604	winupd.exe
Token: SeBackupPrivilege	2604	winupd.exe
Token: SeRestorePrivilege	2604	winupd.exe
Token: SeShutdownPrivilege	2604	winupd.exe
Token: SeDebugPrivilege	2604	winupd.exe
Token: SeSystemEnvironmentPrivilege	2604	winupd.exe
Token: SeChangeNotifyPrivilege	2604	winupd.exe
Token: SeRemoteShutdownPrivilege	2604	winupd.exe
Token: SeUndockPrivilege	2604	winupd.exe
Token: SeManageVolumePrivilege	2604	winupd.exe
Token: SeImpersonatePrivilege	2604	winupd.exe
Token: SeCreateGlobalPrivilege	2604	winupd.exe
Token: 33	2604	winupd.exe
Token: 34	2604	winupd.exe
Token: 35	2604	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2676	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe
2788	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe
2740	winupd.exe
2664	winupd.exe
2604	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 2676 wrote to memory of 2788	2676	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	31
PID 2676 wrote to memory of 2788	2676	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	31
PID 2676 wrote to memory of 2788	2676	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	31
PID 2676 wrote to memory of 2788	2676	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	31
PID 2676 wrote to memory of 2788	2676	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	31
PID 2676 wrote to memory of 2788	2676	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	31
PID 2676 wrote to memory of 2788	2676	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	31
PID 2676 wrote to memory of 2788	2676	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	31
PID 2676 wrote to memory of 2788	2676	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	31
PID 2788 wrote to memory of 2740	2788	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	32
PID 2788 wrote to memory of 2740	2788	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	32
PID 2788 wrote to memory of 2740	2788	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	32
PID 2788 wrote to memory of 2740	2788	596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe	32
PID 2740 wrote to memory of 2664	2740	winupd.exe	33
PID 2740 wrote to memory of 2664	2740	winupd.exe	33
PID 2740 wrote to memory of 2664	2740	winupd.exe	33
PID 2740 wrote to memory of 2664	2740	winupd.exe	33
PID 2740 wrote to memory of 2664	2740	winupd.exe	33
PID 2740 wrote to memory of 2664	2740	winupd.exe	33
PID 2740 wrote to memory of 2664	2740	winupd.exe	33
PID 2740 wrote to memory of 2664	2740	winupd.exe	33
PID 2740 wrote to memory of 2664	2740	winupd.exe	33
PID 2740 wrote to memory of 2604	2740	winupd.exe	34
PID 2740 wrote to memory of 2604	2740	winupd.exe	34
PID 2740 wrote to memory of 2604	2740	winupd.exe	34
PID 2740 wrote to memory of 2604	2740	winupd.exe	34
PID 2740 wrote to memory of 2604	2740	winupd.exe	34
PID 2740 wrote to memory of 2604	2740	winupd.exe	34
PID 2740 wrote to memory of 2604	2740	winupd.exe	34
PID 2740 wrote to memory of 2604	2740	winupd.exe	34
PID 2664 wrote to memory of 1456	2664	winupd.exe	35
PID 2664 wrote to memory of 1456	2664	winupd.exe	35
PID 2664 wrote to memory of 1456	2664	winupd.exe	35
PID 2664 wrote to memory of 1456	2664	winupd.exe	35
PID 2664 wrote to memory of 1456	2664	winupd.exe	35
PID 2664 wrote to memory of 1456	2664	winupd.exe	35
PID 1456 wrote to memory of 2836	1456	ipconfig.exe	37
PID 1456 wrote to memory of 2836	1456	ipconfig.exe	37
PID 1456 wrote to memory of 2836	1456	ipconfig.exe	37
PID 1456 wrote to memory of 2836	1456	ipconfig.exe	37
PID 2836 wrote to memory of 588	2836	cmd.exe	39
PID 2836 wrote to memory of 588	2836	cmd.exe	39
PID 2836 wrote to memory of 588	2836	cmd.exe	39
PID 2836 wrote to memory of 588	2836	cmd.exe	39

C:\Users\Admin\AppData\Local\Temp\596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe
"C:\Users\Admin\AppData\Local\Temp\596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2676
- C:\Users\Admin\AppData\Local\Temp\596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe
  "C:\Users\Admin\AppData\Local\Temp\596e34637eabd5e7af8e29a2dfb4f94c58a69d81e9aaa6c3c76c3345eeddd072N.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2788
- - 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:2740
  - - 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:2664
    - - 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:1456
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\GPYHDRVH.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2836
        
        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:588
  - - 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:2604

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\GPYHDRVH.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
757d875ea0ad6e53e3a2baaf8e8dbbaf

SHA1
ae03e379b534919aaf123145e714d6d4a0bb1d41

SHA256
405f8906c58197e8c4e8a68ae85ab0b57b8e4da36c7327823e1941477ee5896c

SHA512
714abdb697b48b84d485a92486cf7427550f3fd15547a60dd22eace6896cfa4c135227e5ee4c21dbcdf0d64e2b1c252e4acbe55bfdfb40eac4ed6a0f687eb0c3

Download Submit
memory/1456-70-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2604-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-61-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-69-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-58-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-52-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2604-81-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2664-80-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2676-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2676-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2676-16-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2676-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2740-62-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2740-32-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2740-35-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2788-65-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2788-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2788-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2788-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2788-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads