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Analysis

  • max time kernel
    148s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    07/04/2024, 23:20

General

  • Target

    8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe

  • Size

    416KB

  • MD5

    4e4a92e6e153f656c2fe8e154e4532fb

  • SHA1

    0d089d7b4dcd9579c66db9df30de2b4b18ff119a

  • SHA256

    8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f

  • SHA512

    49bca24bae905b99fdd1351b607f16970f85949fb47754294df7f186e385e67426b487e8ea54db69feb39fdef875bc98a42b416235648d2224c1ad6a8e0a067a

  • SSDEEP

    6144:4jlYKRF/LReWAsUybQ3JAUvcblBodHMp8TB9cDLl443RZlCnw9X:4jauDReWUJAUvslBiH8mcDFlP

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe
    "C:\Users\Admin\AppData\Local\Temp\8ffe5404429a410caa2fb860e8629a5988e4d06f300963e87a7aeb3c3f25d20f.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1724
    • C:\ProgramData\grkwn.exe
      "C:\ProgramData\grkwn.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      PID:2332

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Documents and Settings .exe

    Filesize

    416KB

    MD5

    b132c82b4fdb4546392991fe773389e7

    SHA1

    20a5b17db9c418fa3eeceb0eb9851874e27638ab

    SHA256

    2498f4d7bf895677073ec1e19edc3ffdb53f19ff35f09d4eb2135014c0266fe3

    SHA512

    bcfb5338b905581e9f5974e6bf59c2d5bb2e14fd4a715d79c00da8bdd43b7fd6c66b64b82bae1a9ac3e29faa01099593576893341a3217702e59c4bded6c1aa2

  • C:\ProgramData\Saaaalamm\Mira.h

    Filesize

    136KB

    MD5

    cb4c442a26bb46671c638c794bf535af

    SHA1

    8a742d0b372f2ddd2d1fdf688c3c4ac7f9272abf

    SHA256

    f8d2c17bdf34ccfb58070ac8b131a8d95055340101a329f9a7212ac5240d0c25

    SHA512

    074a31e8da403c0a718f93cbca50574d8b658921193db0e6e20eacd232379286f14a3698cd443dc740d324ad19d74934ae001a7ad64b88897d8afefbc9a3d4e3

  • \ProgramData\grkwn.exe

    Filesize

    279KB

    MD5

    7b0b4fb8941a0def1cbbf90a8d70d9f1

    SHA1

    32090658aee82fe8bbe9090b0f3e4a33927c8e58

    SHA256

    238072443c375a5cca413ec01b4ea85a5b55ae34b06cb3737ee8c57115e6d85c

    SHA512

    cab98835fadd6fa8d1fc0054247fdf0b8da0a443f9667ad4c9fb6b8298ed59647169936a69b5047c486ac61869a6b0c9bfee9ec4cb52865e3761f2f305c41a4a

  • memory/1724-0-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/1724-1-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/1724-14-0x0000000000400000-0x0000000000474000-memory.dmp

    Filesize

    464KB

  • memory/2332-133-0x0000000000400000-0x0000000000448000-memory.dmp

    Filesize

    288KB