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Analysis

  • max time kernel
    118s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    14/01/2024, 03:42

General

  • Target

    5a2f31e3a773d48036f8679580fb49f3.exe

  • Size

    2.9MB

  • MD5

    5a2f31e3a773d48036f8679580fb49f3

  • SHA1

    d73bee7c465c480eb623ab439dfa05d5808f4e55

  • SHA256

    2f0049d5f00318c3c1621fc94fc6bd2048d5a0b298bb5917afb61e644f40c473

  • SHA512

    5db1da39b95553e3589275867dcdd44cefb9a7284019643a45a097d64f38cbb4da85a7a59b4fde5ef414374fe75b02fc618b49ff01c21b968064e14be23ef7ad

  • SSDEEP

    49152:QcEuqR8kPm+ZNN5wgd7Vu+0OVCsKGi9s5K3P4M338dB2IBlGuuDVUsdxxjeQZwxs:QckR8ke+ZN/wge+0OCT/gg3gnl/IVUsn

Score
7/10
upx

Malware Config

Signatures

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 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\5a2f31e3a773d48036f8679580fb49f3.exe
    "C:\Users\Admin\AppData\Local\Temp\5a2f31e3a773d48036f8679580fb49f3.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2672
    • C:\Users\Admin\AppData\Local\Temp\5a2f31e3a773d48036f8679580fb49f3.exe
      C:\Users\Admin\AppData\Local\Temp\5a2f31e3a773d48036f8679580fb49f3.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2520

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\5a2f31e3a773d48036f8679580fb49f3.exe

    Filesize

    173KB

    MD5

    e07e9ea7694ceee851a75ad85d29fd41

    SHA1

    2decf4a06ea161a0a39e3f943c8658ad118cc680

    SHA256

    ffeecc04bb3d35986d2acd7bf7572ac320b4ce33b248f3a98bc0d7444ee9d9cc

    SHA512

    367f5e0e42a6e5b3e2241e26a95b69304f9d83ac0ea71e7544f6bf5c5d02a81a7001b0c7c4bddfafe2103fb0a3c28637e9b5469bce9e188202118bf9427e94c9

  • C:\Users\Admin\AppData\Local\Temp\5a2f31e3a773d48036f8679580fb49f3.exe

    Filesize

    149KB

    MD5

    41898d8a60cdd58a7598caac5e417326

    SHA1

    5508bcc5271923299bbfc5ce25106efc5ea3d521

    SHA256

    a979a54d854e7e452708f02cbcb3003caa97e9fd5ab6c26d891b7b8c47ca7694

    SHA512

    c8f0fb3ae097ab2080cd9e6cf7340d01eea702dec5a946d33b9107de9a149b0e557dda632aa1fc8d560caf29c8728a197349b88c7bcdaf6b6c33f31288a75353

  • \Users\Admin\AppData\Local\Temp\5a2f31e3a773d48036f8679580fb49f3.exe

    Filesize

    264KB

    MD5

    6a66700f0a9970f51dee5fca41bf237a

    SHA1

    b5c0d0d409cdcd430cab0a3316b4bf61c82288ff

    SHA256

    73b48cda1c91dbac8b75b3f008366dd9ff0ffdd0abe4fd160a484352e3535fd4

    SHA512

    3e35ceab876d96593d8094cd305944c09c47eda751ec209e81c541ca4f2e22528b02068fd97d47c3feb4186462f0fc3400ea330bc20ec5741c0f529b2159c434

  • memory/2520-17-0x0000000000250000-0x0000000000383000-memory.dmp

    Filesize

    1.2MB

  • memory/2520-16-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2520-23-0x00000000034E0000-0x000000000370A000-memory.dmp

    Filesize

    2.2MB

  • memory/2520-22-0x0000000000400000-0x000000000061D000-memory.dmp

    Filesize

    2.1MB

  • memory/2520-31-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2672-14-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2672-0-0x0000000000400000-0x00000000008EF000-memory.dmp

    Filesize

    4.9MB

  • memory/2672-15-0x00000000037F0000-0x0000000003CDF000-memory.dmp

    Filesize

    4.9MB

  • memory/2672-1-0x0000000000400000-0x000000000062A000-memory.dmp

    Filesize

    2.2MB

  • memory/2672-2-0x0000000001B20000-0x0000000001C53000-memory.dmp

    Filesize

    1.2MB

  • memory/2672-30-0x00000000037F0000-0x0000000003CDF000-memory.dmp

    Filesize

    4.9MB