darkcomet | 7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19-12-2024 05:49

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General

Target

7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe
Size

520KB
MD5

feb6bf93671559e74b626e8b88e80626
SHA1

effe88b5d988256431c78cf837f849952fd4b1ce
SHA256

7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697
SHA512

bef5f9fa450f30a62bdf04020ff3c9e05b8d87a5ea6740ba50d5bf869e3f6919a623c62ddc9d228fe22a0556cb0125e10da2045ff0330f53254990fac6e6ceef
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMb+:f9fC3hh29Ya77A90aFtDfT5IMb+

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
2496	winupd.exe
2056	winupd.exe
2640	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
1912	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe
1912	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe
2496	winupd.exe
2496	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 3048 set thread context of 1912	3048	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	30
PID 2496 set thread context of 2056	2496	winupd.exe	32
PID 2496 set thread context of 2640	2496	winupd.exe	33

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2640-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-77-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-65-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-63-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-59-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2640-96-0x0000000000400000-0x00000000004B7000-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	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.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
2652	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2592	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2640	winupd.exe
Token: SeSecurityPrivilege	2640	winupd.exe
Token: SeTakeOwnershipPrivilege	2640	winupd.exe
Token: SeLoadDriverPrivilege	2640	winupd.exe
Token: SeSystemProfilePrivilege	2640	winupd.exe
Token: SeSystemtimePrivilege	2640	winupd.exe
Token: SeProfSingleProcessPrivilege	2640	winupd.exe
Token: SeIncBasePriorityPrivilege	2640	winupd.exe
Token: SeCreatePagefilePrivilege	2640	winupd.exe
Token: SeBackupPrivilege	2640	winupd.exe
Token: SeRestorePrivilege	2640	winupd.exe
Token: SeShutdownPrivilege	2640	winupd.exe
Token: SeDebugPrivilege	2640	winupd.exe
Token: SeSystemEnvironmentPrivilege	2640	winupd.exe
Token: SeChangeNotifyPrivilege	2640	winupd.exe
Token: SeRemoteShutdownPrivilege	2640	winupd.exe
Token: SeUndockPrivilege	2640	winupd.exe
Token: SeManageVolumePrivilege	2640	winupd.exe
Token: SeImpersonatePrivilege	2640	winupd.exe
Token: SeCreateGlobalPrivilege	2640	winupd.exe
Token: 33	2640	winupd.exe
Token: 34	2640	winupd.exe
Token: 35	2640	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
3048	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe
1912	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe
2496	winupd.exe
2056	winupd.exe
2640	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 1912	3048	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	30
PID 3048 wrote to memory of 1912	3048	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	30
PID 3048 wrote to memory of 1912	3048	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	30
PID 3048 wrote to memory of 1912	3048	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	30
PID 3048 wrote to memory of 1912	3048	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	30
PID 3048 wrote to memory of 1912	3048	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	30
PID 3048 wrote to memory of 1912	3048	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	30
PID 3048 wrote to memory of 1912	3048	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	30
PID 3048 wrote to memory of 1912	3048	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	30
PID 1912 wrote to memory of 2496	1912	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	31
PID 1912 wrote to memory of 2496	1912	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	31
PID 1912 wrote to memory of 2496	1912	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	31
PID 1912 wrote to memory of 2496	1912	7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe	31
PID 2496 wrote to memory of 2056	2496	winupd.exe	32
PID 2496 wrote to memory of 2056	2496	winupd.exe	32
PID 2496 wrote to memory of 2056	2496	winupd.exe	32
PID 2496 wrote to memory of 2056	2496	winupd.exe	32
PID 2496 wrote to memory of 2056	2496	winupd.exe	32
PID 2496 wrote to memory of 2056	2496	winupd.exe	32
PID 2496 wrote to memory of 2056	2496	winupd.exe	32
PID 2496 wrote to memory of 2056	2496	winupd.exe	32
PID 2496 wrote to memory of 2056	2496	winupd.exe	32
PID 2496 wrote to memory of 2640	2496	winupd.exe	33
PID 2496 wrote to memory of 2640	2496	winupd.exe	33
PID 2496 wrote to memory of 2640	2496	winupd.exe	33
PID 2496 wrote to memory of 2640	2496	winupd.exe	33
PID 2496 wrote to memory of 2640	2496	winupd.exe	33
PID 2496 wrote to memory of 2640	2496	winupd.exe	33
PID 2496 wrote to memory of 2640	2496	winupd.exe	33
PID 2496 wrote to memory of 2640	2496	winupd.exe	33
PID 2056 wrote to memory of 2652	2056	winupd.exe	34
PID 2056 wrote to memory of 2652	2056	winupd.exe	34
PID 2056 wrote to memory of 2652	2056	winupd.exe	34
PID 2056 wrote to memory of 2652	2056	winupd.exe	34
PID 2056 wrote to memory of 2652	2056	winupd.exe	34
PID 2056 wrote to memory of 2652	2056	winupd.exe	34
PID 2652 wrote to memory of 2820	2652	ipconfig.exe	36
PID 2652 wrote to memory of 2820	2652	ipconfig.exe	36
PID 2652 wrote to memory of 2820	2652	ipconfig.exe	36
PID 2652 wrote to memory of 2820	2652	ipconfig.exe	36
PID 2820 wrote to memory of 2592	2820	cmd.exe	38
PID 2820 wrote to memory of 2592	2820	cmd.exe	38
PID 2820 wrote to memory of 2592	2820	cmd.exe	38
PID 2820 wrote to memory of 2592	2820	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe
"C:\Users\Admin\AppData\Local\Temp\7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3048
- C:\Users\Admin\AppData\Local\Temp\7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe
  "C:\Users\Admin\AppData\Local\Temp\7122fdb607392a4805afb8271355b331718f642a06e8df5bc86ec8d2ad53b697.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1912
- - 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:2496
  - - 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:2056
    - - 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:2652
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\FOFXPLGA.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2820
        
        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:2592
  - - 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:2640

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

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Downloads

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

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
19642ed323aa57eec9b37a3ff6840354

SHA1
48b241fbcbde30b0767c4578b3ffe4528dfd0b3b

SHA256
3f047d47890e0b8753df616e6f53d4de7ead4eacfd55a5ace78a748af64ad439

SHA512
bbac209c66be4185ecd7cbc7a94a83bb535bdf994430aeffbf6368323a777f27827b019111033454e5fdd99691fc667b2eaae5b1d73449d9eb4341aa36c16951

Download Submit
memory/1912-68-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1912-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1912-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1912-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1912-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1912-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2056-83-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2496-36-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2496-48-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2496-64-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2640-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-77-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-65-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-63-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-59-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-79-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2640-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2652-72-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/3048-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3048-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3048-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3048-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/3048-15-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/3048-20-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads