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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    06/03/2024, 17:59

General

  • Target

    b8055daa9320f93aa4705288829b589b.exe

  • Size

    2.7MB

  • MD5

    b8055daa9320f93aa4705288829b589b

  • SHA1

    d5ab80d776d2d110f7c987db098e43affdb2db5e

  • SHA256

    4c823fee3ab1b6e643c6bc382b9e9bcf7b58ac9b296023e11c8e144b3f7ec183

  • SHA512

    934701b1848b1243b91f7b585030c2705974ca68cc1716170e9de2543138c6a7fbb2db41cd7c5aea619c1e6eb59933923a4e98f44c6335b1f02be826dd2c6c81

  • SSDEEP

    49152:EaS8HbCmNEtO1vAPo67WEvIN3ztG/H4/jnOYplIQLnBw:iaCmNQCeINhCgnO6V

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\b8055daa9320f93aa4705288829b589b.exe
    "C:\Users\Admin\AppData\Local\Temp\b8055daa9320f93aa4705288829b589b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious behavior: RenamesItself
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\b8055daa9320f93aa4705288829b589b.exe
      C:\Users\Admin\AppData\Local\Temp\b8055daa9320f93aa4705288829b589b.exe
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Suspicious use of UnmapMainImage
      PID:2204

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Local\Temp\b8055daa9320f93aa4705288829b589b.exe

    Filesize

    2.7MB

    MD5

    2ec41042e38c1f502d3636fb65bbe056

    SHA1

    1c004c9c8f34ad5438a605683eb3b8dbd58fd8f8

    SHA256

    2c617dd4477a96313463e2bf8e7e59457fc73c7621014d6301c942301af1af4c

    SHA512

    c9607ee9a1c82b57e614feb6b3e6f8fd49e9a78a1bf19bb8d9c6c55ed8529ccb58342384c7b5351c8d858c34d5ea26f8f7134e35a0be10035f1ee11e86799c08

  • memory/2036-0-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/2036-1-0x0000000000130000-0x0000000000242000-memory.dmp

    Filesize

    1.1MB

  • memory/2036-2-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2036-15-0x0000000003850000-0x0000000003CBA000-memory.dmp

    Filesize

    4.4MB

  • memory/2036-14-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2204-18-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB

  • memory/2204-21-0x00000000002B0000-0x00000000003C2000-memory.dmp

    Filesize

    1.1MB

  • memory/2204-17-0x0000000000400000-0x00000000005F2000-memory.dmp

    Filesize

    1.9MB

  • memory/2204-26-0x0000000000400000-0x000000000086A000-memory.dmp

    Filesize

    4.4MB