Analysis

  • max time kernel
    149s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28-06-2024 08:14

General

  • Target

    8e41a1f9b8d1af6933a29a5864130f5d9f30dd8a8bd6571cd208fc20db473001_NeikiAnalytics.exe

  • Size

    520KB

  • MD5

    42bf129f0e8e8684a73343957010c260

  • SHA1

    08a53f4ec0df529165714bad851c348d064bf18d

  • SHA256

    8e41a1f9b8d1af6933a29a5864130f5d9f30dd8a8bd6571cd208fc20db473001

  • SHA512

    b370798551811e508a96d0fbf71f796f38a272ac6b31269a358d4325d1a0de4499b6d068d826dd51eba6a7dd59d9b20e643407a39ab2169283fc3421d82df022

  • SSDEEP

    6144:f9GGo2CwtGg6eeihEfph2CMvvqqSaYwpncOeC66AOa0aFtVEQfTo1ozVqMbQ:f9fC3hh29Ya77A90aFtDfT5IMbQ

Malware Config

Extracted

Family

darkcomet

Botnet

PrivateEye

C2

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.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 2 IoCs
  • UPX packed file 26 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Modifies registry key 1 TTPs 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of SetWindowsHookEx 5 IoCs
  • Suspicious use of WriteProcessMemory 44 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8e41a1f9b8d1af6933a29a5864130f5d9f30dd8a8bd6571cd208fc20db473001_NeikiAnalytics.exe
    "C:\Users\Admin\AppData\Local\Temp\8e41a1f9b8d1af6933a29a5864130f5d9f30dd8a8bd6571cd208fc20db473001_NeikiAnalytics.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1620
    • C:\Users\Admin\AppData\Local\Temp\8e41a1f9b8d1af6933a29a5864130f5d9f30dd8a8bd6571cd208fc20db473001_NeikiAnalytics.exe
      "C:\Users\Admin\AppData\Local\Temp\8e41a1f9b8d1af6933a29a5864130f5d9f30dd8a8bd6571cd208fc20db473001_NeikiAnalytics.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2120
      • C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
        C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe -notray
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2604
        • C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2784
          • C:\Windows\SysWOW64\ipconfig.exe
            "C:\Windows\system32\ipconfig.exe"
            5⤵
            • Gathers network information
            • Suspicious use of WriteProcessMemory
            PID:2456
            • C:\Windows\SysWOW64\cmd.exe
              cmd /c ""C:\Users\Admin\AppData\Local\Temp\VXNHAFMV.bat" "
              6⤵
              • Suspicious use of WriteProcessMemory
              PID:1360
              • 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
                • Modifies registry key
                PID:2684
        • C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe
          "C:\Users\Admin\AppData\Roaming\Microsoft\winupd.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:2304

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\VXNHAFMV.bat
    Filesize

    151B

    MD5

    cac890d00365d07b9ca89def17cc3a36

    SHA1

    6fa99679ede791c16b5d3e6d243a98e8bbdb7eab

    SHA256

    4f98ddee89760080a5c8a93666d2f5c97be52b741265ef4d1ce9aaebf05f12da

    SHA512

    124dc0b18e13425bde43bcbbe2a99005928e398bffcb458d498aac9e754bc5b92b703270667800876c60b0801343f2de8c6b9a1eebafd80bb4f6d5dc295dd9f1

  • \Users\Admin\AppData\Roaming\Microsoft\winupd.exe
    Filesize

    520KB

    MD5

    0dcd659623aaedbd8c9d5bb9fb309271

    SHA1

    77a0bddc53ca0f73b9228eaeb0c167734d672060

    SHA256

    3afccf0e6b832ffecbe50acb85ed909578d630def15d05c4c0bcfe6e877bec67

    SHA512

    44e5299fe78d1b4fc538f6d7782d570e099cb28816f567100c3bfea985f58a7913d7182d77abd72c9ab88212f95fbd311c205b678825b03225c5acff9f334bcd

  • memory/1620-21-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB

  • memory/1620-16-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB

  • memory/1620-14-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB

  • memory/1620-20-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1620-2-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/2120-22-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2120-5-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2120-3-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2120-64-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2120-7-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2120-11-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2120-13-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB

  • memory/2304-70-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-86-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-60-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-94-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-58-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-53-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-49-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-73-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-56-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-93-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-71-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-72-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-75-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-74-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-51-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-92-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-80-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-81-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-82-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-83-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-84-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-85-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-91-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-87-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-88-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-89-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2304-90-0x0000000000400000-0x00000000004B7000-memory.dmp
    Filesize

    732KB

  • memory/2456-68-0x0000000000080000-0x0000000000081000-memory.dmp
    Filesize

    4KB

  • memory/2604-61-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB

  • memory/2604-59-0x0000000000400000-0x0000000000483000-memory.dmp
    Filesize

    524KB

  • memory/2784-79-0x0000000000400000-0x0000000000407000-memory.dmp
    Filesize

    28KB