darkcomet | b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086a

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 01:44

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General

Target

b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
Size

520KB
MD5

f6f38166b04a91e3c765da5b9f1dd2c0
SHA1

858013ca9a161cdc27c8facccbc0efad37e1c485
SHA256

b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086a
SHA512

6afc15a9c19cf0a4e82fd8503a843488220e5ae4f6329c9694d47c0cba1d97fc612f9d936c032a028382836a806e652a5e3e67dd38d341037af409fd29f76d37
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbe:f9fC3hh29Ya77A90aFtDfT5IMbe

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
2788	winupd.exe
2700	winupd.exe
2752	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
1732	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
1732	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
2788	winupd.exe
2788	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-1-5-21-3533259084-2542256011-65585152-1000\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 1260 set thread context of 1732	1260	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	30
PID 2788 set thread context of 2700	2788	winupd.exe	32
PID 2788 set thread context of 2752	2788	winupd.exe	33

UPX packed file 26 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2752-71-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-67-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-66-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-64-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-63-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-55-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-78-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-79-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-93-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-94-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-95-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-96-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2752-97-0x0000000000400000-0x00000000004B7000-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	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.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
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	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.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
2644	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2300	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2752	winupd.exe
Token: SeSecurityPrivilege	2752	winupd.exe
Token: SeTakeOwnershipPrivilege	2752	winupd.exe
Token: SeLoadDriverPrivilege	2752	winupd.exe
Token: SeSystemProfilePrivilege	2752	winupd.exe
Token: SeSystemtimePrivilege	2752	winupd.exe
Token: SeProfSingleProcessPrivilege	2752	winupd.exe
Token: SeIncBasePriorityPrivilege	2752	winupd.exe
Token: SeCreatePagefilePrivilege	2752	winupd.exe
Token: SeBackupPrivilege	2752	winupd.exe
Token: SeRestorePrivilege	2752	winupd.exe
Token: SeShutdownPrivilege	2752	winupd.exe
Token: SeDebugPrivilege	2752	winupd.exe
Token: SeSystemEnvironmentPrivilege	2752	winupd.exe
Token: SeChangeNotifyPrivilege	2752	winupd.exe
Token: SeRemoteShutdownPrivilege	2752	winupd.exe
Token: SeUndockPrivilege	2752	winupd.exe
Token: SeManageVolumePrivilege	2752	winupd.exe
Token: SeImpersonatePrivilege	2752	winupd.exe
Token: SeCreateGlobalPrivilege	2752	winupd.exe
Token: 33	2752	winupd.exe
Token: 34	2752	winupd.exe
Token: 35	2752	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1260	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
1732	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
2788	winupd.exe
2700	winupd.exe
2752	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 1732	1260	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	30
PID 1260 wrote to memory of 1732	1260	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	30
PID 1260 wrote to memory of 1732	1260	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	30
PID 1260 wrote to memory of 1732	1260	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	30
PID 1260 wrote to memory of 1732	1260	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	30
PID 1260 wrote to memory of 1732	1260	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	30
PID 1260 wrote to memory of 1732	1260	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	30
PID 1260 wrote to memory of 1732	1260	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	30
PID 1260 wrote to memory of 1732	1260	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	30
PID 1732 wrote to memory of 2788	1732	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	31
PID 1732 wrote to memory of 2788	1732	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	31
PID 1732 wrote to memory of 2788	1732	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	31
PID 1732 wrote to memory of 2788	1732	b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe	31
PID 2788 wrote to memory of 2700	2788	winupd.exe	32
PID 2788 wrote to memory of 2700	2788	winupd.exe	32
PID 2788 wrote to memory of 2700	2788	winupd.exe	32
PID 2788 wrote to memory of 2700	2788	winupd.exe	32
PID 2788 wrote to memory of 2700	2788	winupd.exe	32
PID 2788 wrote to memory of 2700	2788	winupd.exe	32
PID 2788 wrote to memory of 2700	2788	winupd.exe	32
PID 2788 wrote to memory of 2700	2788	winupd.exe	32
PID 2788 wrote to memory of 2700	2788	winupd.exe	32
PID 2788 wrote to memory of 2752	2788	winupd.exe	33
PID 2788 wrote to memory of 2752	2788	winupd.exe	33
PID 2788 wrote to memory of 2752	2788	winupd.exe	33
PID 2788 wrote to memory of 2752	2788	winupd.exe	33
PID 2788 wrote to memory of 2752	2788	winupd.exe	33
PID 2788 wrote to memory of 2752	2788	winupd.exe	33
PID 2788 wrote to memory of 2752	2788	winupd.exe	33
PID 2788 wrote to memory of 2752	2788	winupd.exe	33
PID 2700 wrote to memory of 2644	2700	winupd.exe	34
PID 2700 wrote to memory of 2644	2700	winupd.exe	34
PID 2700 wrote to memory of 2644	2700	winupd.exe	34
PID 2700 wrote to memory of 2644	2700	winupd.exe	34
PID 2700 wrote to memory of 2644	2700	winupd.exe	34
PID 2700 wrote to memory of 2644	2700	winupd.exe	34
PID 2644 wrote to memory of 2764	2644	ipconfig.exe	36
PID 2644 wrote to memory of 2764	2644	ipconfig.exe	36
PID 2644 wrote to memory of 2764	2644	ipconfig.exe	36
PID 2644 wrote to memory of 2764	2644	ipconfig.exe	36
PID 2764 wrote to memory of 2300	2764	cmd.exe	38
PID 2764 wrote to memory of 2300	2764	cmd.exe	38
PID 2764 wrote to memory of 2300	2764	cmd.exe	38
PID 2764 wrote to memory of 2300	2764	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
"C:\Users\Admin\AppData\Local\Temp\b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Users\Admin\AppData\Local\Temp\b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe
  "C:\Users\Admin\AppData\Local\Temp\b362e3a6d4d172ea25e35655c86d02d7116f51ec42c33313d40dec1c5d56086aN.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:1732
- - 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:2788
  - - 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:2700
    - - 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:2644
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\ERNQTSUG.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2764
        
        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:2300
  - - 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:2752

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\ERNQTSUG.bat

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
0c8e98150a16c334610cf724787e2fef

SHA1
62aab8c1ebdf4bc31ac1d028a114585679f0a0c0

SHA256
5b2aa9688b0cd6349d980427f2c52319c2ede3fbbb31aa753bcfaa64ec0dd854

SHA512
d56128858c7b79c789b71bdba5fbb95f8a61203c23d32be0b0e763c3d202a60f059a8a528591ab71d1395e5f9e26538fa8c09ad79b3e4f0f7fd2678902689c22

Download Submit
memory/1260-18-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1260-16-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1260-19-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1260-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1260-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1732-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1732-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1732-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1732-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1732-70-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/1732-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2644-76-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2700-83-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2752-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-66-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-97-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-64-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-63-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-96-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-55-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-78-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-79-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-71-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-95-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-67-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2752-94-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2788-35-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2788-57-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2788-65-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads