Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-03-2024 12:10

General

  • Target

    b8b391dfda10a19f7dee154c7b4396dd.exe

  • Size

    2.7MB

  • MD5

    b8b391dfda10a19f7dee154c7b4396dd

  • SHA1

    dff59003c2a395493dcc3eecf38f74ae2aad9d93

  • SHA256

    f43876d45e2792b4e94cc6b2ec125859ec51be4a22b8578aed2e92d073ea57c2

  • SHA512

    131a231c47054dce9fe1244ee886c566bac65e945260c9b2c951b8f7547a7a732c1dbdea295cbcac8bcfaa4f1219d5a0cb03d6b3ef69b5757f45e4749ea8b155

  • SSDEEP

    49152:fYIELe0g+0KGvizMy3dVcEk+naa71XkziW1LuXHmZGs/U:DELe9+HGUMy3dqZ+nJ0/9uXGZpU

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe
    "C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2352
    • C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe
      C:\Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:3060

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\b8b391dfda10a19f7dee154c7b4396dd.exe

    Filesize

    2.7MB

    MD5

    d212e0985bdf8a948c75ad80b54b3d1e

    SHA1

    a998f735e7947720aa831cd0fdaeb4d93730577b

    SHA256

    da82100c83b5ef0acf2076a93ab2afd7ff50132306b5a78d313f2d7b7b21198c

    SHA512

    49bb740ee0be891dee3249d536e0de8e08e35802366141180acf66887b424591bddc5f0ef8332ebd19cda6df12a833ecc3ea72dc0b8e953df1926bafa4945b94

  • memory/2352-0-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/2352-1-0x0000000001A60000-0x0000000001B72000-memory.dmp

    Filesize

    1.1MB

  • memory/2352-2-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2352-17-0x0000000003690000-0x0000000003AFA000-memory.dmp

    Filesize

    4.4MB

  • memory/2352-15-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2352-26-0x0000000003690000-0x0000000003AFA000-memory.dmp

    Filesize

    4.4MB

  • memory/3060-19-0x0000000001A60000-0x0000000001B72000-memory.dmp

    Filesize

    1.1MB

  • memory/3060-21-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/3060-16-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/3060-27-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB