Resubmissions

02/09/2024, 01:47

240902-b7wp8ayaqn10

02/09/2024, 00:40

240902-a1jxeawfmn10

Analysis

  • max time kernel
    149s
  • max time network
    121s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/09/2024, 00:40

General

  • Target
    db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe
  • Size 944KB
  • Sample240902-a1jxeawfmn
  • SHA256 db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • revengerat

Botnet
  • Guest

C2
  • ournewcompany2.hopto.org:333

Mutex
  • RV_MUTEX

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Suspicious use of SetThreadContext 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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.

  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe
    "C:\Users\Admin\AppData\Local\Temp\db68ffa236dd34fb3c092e3b76b511bc16bbc0451c23a4e0a2083b6e744a5f4b.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1060
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\1.vbs"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      PID:388
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2952
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4520
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2716
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:2396
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4356
    • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      PID:4316

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        RegAsm.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\RegAsm.exe.log
        • Size 411B
        • SHA256 1c644f557743292853209410644526419eee72bfee8bfec839212b06d3b5e739
        • MD5 SHA1 SHA512

        1.vbs

        • Path C:\Users\Admin\AppData\Roaming\1.vbs
        • Size 355B
        • SHA256 92813f535d79d9cca5c1d3cc5ade01e48480d2cf33b862736c9e4922d7155620
        • MD5 SHA1 SHA512

        memory/2952-12-0x0000000000400000-0x0000000000408000-memory.dmp