Analysis

  • max time kernel
    119s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    16-10-2023 05:42

General

  • Target

    Stealer.exe

  • Size

    229KB

  • MD5

    9d111f599bfe2042d86271055504b779

  • SHA1

    979fb5839449b4d68eca7efcff1f0459bec67f92

  • SHA256

    e6cc46237ceba579e5594cfbab67ea20f8e486a4a4cd54c06d018a3adbc62c39

  • SHA512

    548688111015f77422f2c7d37537c5cfbb640e00da5a38584c5b6f3b9720a73009f5b7e865e7153c9519db0bdcf1e0b9662737fa9503c2c5029044fe3e814458

  • SSDEEP

    6144:lloZMzrIkd8g+EtXHkv/iD4CmHYtxdI8e1mT+i:noZcL+EP8LIxEIz

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\Stealer.exe
    "C:\Users\Admin\AppData\Local\Temp\Stealer.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Windows\System32\Wbem\wmic.exe
      "wmic.exe" csproduct get uuid
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2616

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/924-0-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

    Filesize

    9.9MB

  • memory/924-1-0x00000000001F0000-0x0000000000230000-memory.dmp

    Filesize

    256KB

  • memory/924-2-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

    Filesize

    9.9MB

  • memory/924-3-0x000000001A610000-0x000000001A690000-memory.dmp

    Filesize

    512KB

  • memory/924-4-0x000007FEF5820000-0x000007FEF620C000-memory.dmp

    Filesize

    9.9MB