Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    10/01/2024, 18:59

General

  • Target

    5159c99a2dfbd41653643333a5a6aa35.exe

  • Size

    5.1MB

  • MD5

    5159c99a2dfbd41653643333a5a6aa35

  • SHA1

    0b7594d82d0c04629211992f7ecbee31a39f2c16

  • SHA256

    8c62b4fa60439a0ae04a6d022b1d17278cdd97701b10aa926f0802c007703261

  • SHA512

    ab3a42268e27a7f962f981ccb06a58ce79661bd58e4ce6ed1898b220c0aafb3f8f7f8c254ed322a424651e298d4da3c727e936b49c2e0d2788e4380e434c78d5

  • SSDEEP

    49152:1JBZ7tti1Or0fI/oGphMqHvvE5V3m02HIuDiMDfdQVc+OqDay3r0g5CUb/WQWUW5:1JBMwnHntDZzV+N3oWCUbu7ZeU3

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.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5159c99a2dfbd41653643333a5a6aa35.exe
    "C:\Users\Admin\AppData\Local\Temp\5159c99a2dfbd41653643333a5a6aa35.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1792
    • C:\Users\Admin\AppData\Local\Temp\5159c99a2dfbd41653643333a5a6aa35.exe
      C:\Users\Admin\AppData\Local\Temp\5159c99a2dfbd41653643333a5a6aa35.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Modifies system certificate store
      • Suspicious use of UnmapMainImage
      PID:3036

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\5159c99a2dfbd41653643333a5a6aa35.exe

    Filesize

    342KB

    MD5

    fecb96e06c19aa49fc3622de66cb447d

    SHA1

    92fa2a53af02b0320c9de980a05a2332bf303205

    SHA256

    5465c878dc6b80d40cac05e4eb8729dac3f1597c99e7feaae8783ed72f026cea

    SHA512

    ee78c9f8d66081deddc6fee78d01e0f297a32c9a83a423b70112eff86e1b9f8f2cda3278188bf55d2d9910e5c23930695b5cc802bf7c0270838d66bcfc058376

  • C:\Users\Admin\AppData\Local\Temp\5159c99a2dfbd41653643333a5a6aa35.exe

    Filesize

    92KB

    MD5

    1b5ba5e5a2bde9eb3f6befc5b8049d82

    SHA1

    7a20bbe9cc9cac40ec2ed069fe1c3b6057d58596

    SHA256

    033971b7694e73147dff4c027172876dc46cb60569011568b024dd84193396a0

    SHA512

    55ad58e33012e678942912afb9dc02dec15db64dce7bd6a1e37c8db2e2f80ee0987c81bb4edfb8c6d3048092d50dd2bb029d20516f5c82c6f155689dcd1f83cb

  • \Users\Admin\AppData\Local\Temp\5159c99a2dfbd41653643333a5a6aa35.exe

    Filesize

    894KB

    MD5

    5e7b499e85101eb1b15e387ea4a13861

    SHA1

    1fc73121d463ba9b466d5689c94e6a54914c396a

    SHA256

    352a240b32598af4b2734b44bea9ba6b67343d685559eac24996babe38bc86aa

    SHA512

    06041380dfd4b9d79df63898ef948c34b695756921abc69a6cace3ecead8cece48a0e4c9a64148c661a6d274ab9e05159a0c70b520e9f51e946949459c87dabf

  • memory/1792-0-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/1792-1-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/1792-3-0x0000000001FA0000-0x00000000021FA000-memory.dmp

    Filesize

    2.4MB

  • memory/1792-15-0x0000000000400000-0x0000000000605000-memory.dmp

    Filesize

    2.0MB

  • memory/3036-16-0x0000000001FA0000-0x00000000021FA000-memory.dmp

    Filesize

    2.4MB

  • memory/3036-18-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB

  • memory/3036-41-0x0000000000400000-0x0000000000D9E000-memory.dmp

    Filesize

    9.6MB