darkcomet | c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d

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
18-12-2024 23:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe
Size

520KB
MD5

c11cdd2f63aa1ab1b2614dea9a8598fc
SHA1

d295e15983a547806c945148b9042d8c8f62ed39
SHA256

c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d
SHA512

e8c5015d0866805756540e03bf3bef3cd51d9364e48a52bfda3bbc5ad74e791d0437ac0f360b7f2ec44cc578a9214d14b135443a2e7caf715e99b9315cdf0951
SSDEEP

6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbh:f9fC3hh29Ya77A90aFtDfT5IMbh

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
2472	winupd.exe
2892	winupd.exe

Loads dropped DLL 4 IoCs

pid	Process
3032	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe
3032	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.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-1-5-21-312935884-697965778-3955649944-1000\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 1920 set thread context of 3032	1920	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	30
PID 2240 set thread context of 2472	2240	winupd.exe	32
PID 2240 set thread context of 2892	2240	winupd.exe	33

UPX packed file 24 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2892-56-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-62-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-60-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-53-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-51-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-73-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-72-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-74-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-69-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-75-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-76-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-81-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-82-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-83-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-84-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-85-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-86-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-87-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-88-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-89-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-90-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-91-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-92-0x0000000000400000-0x00000000004B7000-memory.dmp	upx
behavioral1/memory/2892-93-0x0000000000400000-0x00000000004B7000-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	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	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.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
2776	ipconfig.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2140	reg.exe

Suspicious use of AdjustPrivilegeToken 23 IoCs

description	pid	Process
Token: SeIncreaseQuotaPrivilege	2892	winupd.exe
Token: SeSecurityPrivilege	2892	winupd.exe
Token: SeTakeOwnershipPrivilege	2892	winupd.exe
Token: SeLoadDriverPrivilege	2892	winupd.exe
Token: SeSystemProfilePrivilege	2892	winupd.exe
Token: SeSystemtimePrivilege	2892	winupd.exe
Token: SeProfSingleProcessPrivilege	2892	winupd.exe
Token: SeIncBasePriorityPrivilege	2892	winupd.exe
Token: SeCreatePagefilePrivilege	2892	winupd.exe
Token: SeBackupPrivilege	2892	winupd.exe
Token: SeRestorePrivilege	2892	winupd.exe
Token: SeShutdownPrivilege	2892	winupd.exe
Token: SeDebugPrivilege	2892	winupd.exe
Token: SeSystemEnvironmentPrivilege	2892	winupd.exe
Token: SeChangeNotifyPrivilege	2892	winupd.exe
Token: SeRemoteShutdownPrivilege	2892	winupd.exe
Token: SeUndockPrivilege	2892	winupd.exe
Token: SeManageVolumePrivilege	2892	winupd.exe
Token: SeImpersonatePrivilege	2892	winupd.exe
Token: SeCreateGlobalPrivilege	2892	winupd.exe
Token: 33	2892	winupd.exe
Token: 34	2892	winupd.exe
Token: 35	2892	winupd.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1920	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe
3032	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe
2240	winupd.exe
2472	winupd.exe
2892	winupd.exe

Suspicious use of WriteProcessMemory 44 IoCs

description	pid	Process	procid_target
PID 1920 wrote to memory of 3032	1920	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	30
PID 1920 wrote to memory of 3032	1920	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	30
PID 1920 wrote to memory of 3032	1920	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	30
PID 1920 wrote to memory of 3032	1920	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	30
PID 1920 wrote to memory of 3032	1920	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	30
PID 1920 wrote to memory of 3032	1920	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	30
PID 1920 wrote to memory of 3032	1920	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	30
PID 1920 wrote to memory of 3032	1920	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	30
PID 1920 wrote to memory of 3032	1920	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	30
PID 3032 wrote to memory of 2240	3032	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	31
PID 3032 wrote to memory of 2240	3032	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	31
PID 3032 wrote to memory of 2240	3032	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	31
PID 3032 wrote to memory of 2240	3032	c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe	31
PID 2240 wrote to memory of 2472	2240	winupd.exe	32
PID 2240 wrote to memory of 2472	2240	winupd.exe	32
PID 2240 wrote to memory of 2472	2240	winupd.exe	32
PID 2240 wrote to memory of 2472	2240	winupd.exe	32
PID 2240 wrote to memory of 2472	2240	winupd.exe	32
PID 2240 wrote to memory of 2472	2240	winupd.exe	32
PID 2240 wrote to memory of 2472	2240	winupd.exe	32
PID 2240 wrote to memory of 2472	2240	winupd.exe	32
PID 2240 wrote to memory of 2472	2240	winupd.exe	32
PID 2240 wrote to memory of 2892	2240	winupd.exe	33
PID 2240 wrote to memory of 2892	2240	winupd.exe	33
PID 2240 wrote to memory of 2892	2240	winupd.exe	33
PID 2240 wrote to memory of 2892	2240	winupd.exe	33
PID 2240 wrote to memory of 2892	2240	winupd.exe	33
PID 2240 wrote to memory of 2892	2240	winupd.exe	33
PID 2240 wrote to memory of 2892	2240	winupd.exe	33
PID 2240 wrote to memory of 2892	2240	winupd.exe	33
PID 2472 wrote to memory of 2776	2472	winupd.exe	34
PID 2472 wrote to memory of 2776	2472	winupd.exe	34
PID 2472 wrote to memory of 2776	2472	winupd.exe	34
PID 2472 wrote to memory of 2776	2472	winupd.exe	34
PID 2472 wrote to memory of 2776	2472	winupd.exe	34
PID 2472 wrote to memory of 2776	2472	winupd.exe	34
PID 2776 wrote to memory of 2632	2776	ipconfig.exe	36
PID 2776 wrote to memory of 2632	2776	ipconfig.exe	36
PID 2776 wrote to memory of 2632	2776	ipconfig.exe	36
PID 2776 wrote to memory of 2632	2776	ipconfig.exe	36
PID 2632 wrote to memory of 2140	2632	cmd.exe	38
PID 2632 wrote to memory of 2140	2632	cmd.exe	38
PID 2632 wrote to memory of 2140	2632	cmd.exe	38
PID 2632 wrote to memory of 2140	2632	cmd.exe	38

C:\Users\Admin\AppData\Local\Temp\c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe
"C:\Users\Admin\AppData\Local\Temp\c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1920
- C:\Users\Admin\AppData\Local\Temp\c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe
  "C:\Users\Admin\AppData\Local\Temp\c88ac47c919fccf20c62258cb2c0536e46a95fadc1317783a8acc26398f2db9d.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:3032
- - 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:2472
    - - 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:2776
      - C:\Windows\SysWOW64\cmd.exe
        
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\SMFKRDDR.bat" "
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2632
        
        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:2140
  - - 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:2892

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

Loading Replay Monitor...

Downloads

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

Filesize
151B

MD5
cac890d00365d07b9ca89def17cc3a36

SHA1
6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

SHA256
4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

SHA512
124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

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

Filesize
520KB

MD5
b6e67562b84d4d68e48286ba358dba72

SHA1
c240d94db021cf07700c4412092838fb33454733

SHA256
f6c198fa2fe4eeeea95b6d2f6181782a95b081117beefdd28bce46965e8b7b79

SHA512
d06d67f3a40114f9ed0d125f8a3ea9aafbfbf8b50e2562970d082a8b5792d49ed2a75ac688f777567145c81f279e2e0d0bd8ac55e3622000a399f5f063f43c8d

Download Submit
memory/1920-2-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/1920-3-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1920-18-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/1920-16-0x0000000000400000-0x0000000000414000-memory.dmp

Filesize
80KB

Download
memory/2240-46-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2240-61-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2240-34-0x0000000000400000-0x0000000000483000-memory.dmp

Filesize
524KB

Download
memory/2472-80-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/2776-70-0x0000000000080000-0x0000000000081000-memory.dmp

Filesize
4KB

Download
memory/2892-75-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-93-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-76-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-62-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-92-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-60-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-53-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-51-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-49-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-91-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-73-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-72-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-74-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-69-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-90-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-89-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-56-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-88-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-81-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-82-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-83-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-84-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-85-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-86-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/2892-87-0x0000000000400000-0x00000000004B7000-memory.dmp

Filesize
732KB

Download
memory/3032-4-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3032-6-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3032-65-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3032-8-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3032-14-0x0000000000400000-0x0000000000407000-memory.dmp

Filesize
28KB

Download
memory/3032-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads