Analysis

  • max time kernel
    145s
  • max time network
    149s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    07-06-2021 05:41

General

  • Target

    Swift MT103 & Bank Details,pdf.exe

  • Size

    783KB

  • MD5

    c7b6950fc14795d0c9df548d62ccbf78

  • SHA1

    5c8bd970726639a931d011123c7dd7cb3bb91352

  • SHA256

    f24016eadd5ac1e6ce3822d0ffb92459e9455fcf15fa93703e5cddb34151ad98

  • SHA512

    e033ee11b5fabe72f9cbf11b9af8b701300ee4d6955ce1b6a72b25fcdcf29149e4d1d2e370a53d75a4180ece064d383f1622f141123abdeed8017e01b6c34009

Malware Config

Extracted

Family

revengerat

Botnet

BILLION

C2

rej.rejgroups.com:4040

Mutex

RV_MUTEX-Y6F7MMH6M66HDLJMYP6B6P

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Swift MT103 & Bank Details,pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Swift MT103 & Bank Details,pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dquwpruzUz" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAFE8.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3832
    • C:\Users\Admin\AppData\Local\Temp\Swift MT103 & Bank Details,pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Swift MT103 & Bank Details,pdf.exe"
      2⤵
        PID:2144
      • C:\Users\Admin\AppData\Local\Temp\Swift MT103 & Bank Details,pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Swift MT103 & Bank Details,pdf.exe"
        2⤵
        • Checks processor information in registry
        PID:4032
      • C:\Users\Admin\AppData\Local\Temp\Swift MT103 & Bank Details,pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Swift MT103 & Bank Details,pdf.exe"
        2⤵
          PID:4052
        • C:\Users\Admin\AppData\Local\Temp\Swift MT103 & Bank Details,pdf.exe
          "C:\Users\Admin\AppData\Local\Temp\Swift MT103 & Bank Details,pdf.exe"
          2⤵
            PID:1944

        Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\tmpAFE8.tmp

          MD5

          5db402642753bac522e12c3364b9eff4

          SHA1

          031724b6127a14062366d2d94c7e00da57186b51

          SHA256

          d5a6551eec123f44dd9dc8fd63cd2e07c03677cd6d05ce8d00df1e5b4f5413a2

          SHA512

          61c04e337d5a1526faaa347f881208515b41bdd8964db5cdb5fef697d8587ac26b95e980961d48bcbc22217872f32e8331363219391ea4eabd7a18be1b4d746d

        • memory/1892-123-0x0000000006550000-0x00000000065B6000-memory.dmp

          Filesize

          408KB

        • memory/1892-124-0x0000000006700000-0x000000000671C000-memory.dmp

          Filesize

          112KB

        • memory/1892-118-0x00000000058F0000-0x00000000058F1000-memory.dmp

          Filesize

          4KB

        • memory/1892-119-0x0000000005850000-0x0000000005D4E000-memory.dmp

          Filesize

          5.0MB

        • memory/1892-120-0x00000000058A0000-0x00000000058A1000-memory.dmp

          Filesize

          4KB

        • memory/1892-121-0x0000000005AF0000-0x0000000005AF1000-memory.dmp

          Filesize

          4KB

        • memory/1892-117-0x0000000005D50000-0x0000000005D51000-memory.dmp

          Filesize

          4KB

        • memory/1892-114-0x0000000000F10000-0x0000000000F11000-memory.dmp

          Filesize

          4KB

        • memory/1892-122-0x00000000058B0000-0x00000000058CE000-memory.dmp

          Filesize

          120KB

        • memory/1892-116-0x00000000057B0000-0x00000000057B1000-memory.dmp

          Filesize

          4KB

        • memory/3832-125-0x0000000000000000-mapping.dmp

        • memory/4032-127-0x0000000000400000-0x000000000040C000-memory.dmp

          Filesize

          48KB

        • memory/4032-128-0x000000000040687E-mapping.dmp

        • memory/4032-132-0x00000000050D0000-0x00000000050D1000-memory.dmp

          Filesize

          4KB

        • memory/4032-134-0x00000000052A0000-0x00000000052A1000-memory.dmp

          Filesize

          4KB