Analysis

  • max time kernel
    120s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20231025-en
  • resource tags

    arch:x64arch:x86image:win7-20231025-enlocale:en-usos:windows7-x64system
  • submitted
    27-11-2023 02:54

General

  • Target

    d7012377350fd49496b9204c27fee5c3.exe

  • Size

    229KB

  • MD5

    d7012377350fd49496b9204c27fee5c3

  • SHA1

    6e1626fa282224e2e4970c29df0960098b60f775

  • SHA256

    03f48b05a4b0d4070d0c10dc264b64a2edf0a4c767dfc499e045f84f6c9b271b

  • SHA512

    88f1b96894253e3f5f14a22a02f43654b8abdf7b084ac9a38278aa7898503c00e35db2c81a1f691d9ed629df7a29ce190bd51f3ff35b3570d7e1d8a30ad617d3

  • SSDEEP

    6144:lloZM+rIkd8g+EtXHkv/iD4cu5xClK8e1mVWi:noZtL+EP87qqI

Score
10/10

Malware Config

Signatures

  • Detect Umbral payload 1 IoCs
  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

  • Suspicious use of AdjustPrivilegeToken 41 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7012377350fd49496b9204c27fee5c3.exe
    "C:\Users\Admin\AppData\Local\Temp\d7012377350fd49496b9204c27fee5c3.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2140
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1768

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2140-0-0x00000000011B0000-0x00000000011F0000-memory.dmp

    Filesize

    256KB

  • memory/2140-1-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

    Filesize

    9.9MB

  • memory/2140-2-0x000000001B350000-0x000000001B3D0000-memory.dmp

    Filesize

    512KB

  • memory/2140-3-0x000007FEF5CA0000-0x000007FEF668C000-memory.dmp

    Filesize

    9.9MB