Analysis

  • max time kernel
    137s
  • max time network
    146s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    02-06-2021 08:10

General

  • Target

    Docs draft comfirm.exe

  • Size

    634KB

  • MD5

    06b489cf55e5fb333ae93d27b8cfc520

  • SHA1

    1d6657688be52c19e80bf600e669b83380418c28

  • SHA256

    f2144d80f6316ad2fc3d92b1371e6b10fc620ddf38dc3d231a307627bad15b71

  • SHA512

    ce4f269964a19722b29e295a5ee5cb4dac0aca5522e3bb9c82e19970a489015e20104bcd78b5f9cd47cf84aceae7b36715095a07352984158f685f8d41ff09a0

Malware Config

Extracted

Family

revengerat

Botnet

EVAPIMP

C2

canarybeachhotel.sa:2028

Mutex

RV_MUTEX-QD45QIW83Y0M3H43IAX1P6

Signatures

  • RevengeRAT

    Remote-access trojan with a wide range of capabilities.

  • Suspicious use of SetThreadContext 1 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Docs draft comfirm.exe
    "C:\Users\Admin\AppData\Local\Temp\Docs draft comfirm.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2204
    • C:\Users\Admin\AppData\Local\Temp\Docs draft comfirm.exe
      "C:\Users\Admin\AppData\Local\Temp\Docs draft comfirm.exe"
      2⤵
        PID:3952
      • C:\Users\Admin\AppData\Local\Temp\Docs draft comfirm.exe
        "C:\Users\Admin\AppData\Local\Temp\Docs draft comfirm.exe"
        2⤵
        • Checks processor information in registry
        PID:4012

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Docs draft comfirm.exe.log
      MD5

      5e7bb97636a484b5a87e60373614279a

      SHA1

      36bfdec32eedb141a4a106d89a453326f62593ee

      SHA256

      12ed6e1df2c57556c59dfd6630fd454a9df76166f340c41ee6bc54d98e709e20

      SHA512

      448c62d538e646045d7315ff902b86f614e2dc1eb0959c22c6618fd2c8767c330d24692357559310e6b55b0c35415a14a6ab2d6d9b8d2a03186949b97190fd56

    • memory/2204-114-0x00000000027D0000-0x00000000027D1000-memory.dmp
      Filesize

      4KB

    • memory/2204-115-0x00000000027D1000-0x00000000027D2000-memory.dmp
      Filesize

      4KB

    • memory/4012-117-0x000000000040687E-mapping.dmp
    • memory/4012-116-0x0000000000400000-0x000000000040C000-memory.dmp
      Filesize

      48KB

    • memory/4012-119-0x0000000000B00000-0x0000000000BAE000-memory.dmp
      Filesize

      696KB