Analysis

  • max time kernel
    142s
  • max time network
    33s
  • platform
    windows7_x64
  • resource
    win7-20230621-en
  • resource tags

    arch:x64arch:x86image:win7-20230621-enlocale:en-usos:windows7-x64system
  • submitted
    23-06-2023 19:45

General

  • Target

    5a8a8fb0c0b89fe3f07d6a3e283026e5e78920990a5f5b91bdb8921d6714d31b.exe

  • Size

    1.9MB

  • MD5

    e99ce83762e79788cea4dd7bd4268d88

  • SHA1

    6ed8e60f0a8dd7659e403a154db5cbbc1ad14187

  • SHA256

    5a8a8fb0c0b89fe3f07d6a3e283026e5e78920990a5f5b91bdb8921d6714d31b

  • SHA512

    8dd726ec82b41ac1681c8f4abbbb03faef9cd3c01816dff2a3fd5a59057e7b0dba2d4f659617e6907a13e56b4a5a2484d990f0e7948e3c3aac45239b99081e51

  • SSDEEP

    49152:II8fJYWziMG9ghV3YFIeKcoU6F4VdtrylUdI9/:aiWzib9oVeKcoU6F4TtrywIZ

Score
7/10

Malware Config

Signatures

  • ASPack v2.12-2.42 4 IoCs

    Detects executables packed with ASPack v2.12-2.42

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 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\5a8a8fb0c0b89fe3f07d6a3e283026e5e78920990a5f5b91bdb8921d6714d31b.exe
    "C:\Users\Admin\AppData\Local\Temp\5a8a8fb0c0b89fe3f07d6a3e283026e5e78920990a5f5b91bdb8921d6714d31b.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\bdck.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\bdck.exe"
      2⤵
      • Executes dropped EXE
      PID:1656

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\bdck.exe
    Filesize

    1.8MB

    MD5

    36838116462454d46b0c7b5de55a48fe

    SHA1

    b310836227d07b9961bb733be8545b457325b3c0

    SHA256

    31181ef89cad2bb0b1172a5384658f92973e2b81171a2d4db1644da742c5846f

    SHA512

    dd540fe3c2b0619788dfb799a3aeeed59722cac17202c9f75ae2d384dd26c56ae874597c5afe78d6b6bb676a9685dacf81306c63721bb28acfce9aa4dc7647cd

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\bdck.exe
    Filesize

    1.8MB

    MD5

    36838116462454d46b0c7b5de55a48fe

    SHA1

    b310836227d07b9961bb733be8545b457325b3c0

    SHA256

    31181ef89cad2bb0b1172a5384658f92973e2b81171a2d4db1644da742c5846f

    SHA512

    dd540fe3c2b0619788dfb799a3aeeed59722cac17202c9f75ae2d384dd26c56ae874597c5afe78d6b6bb676a9685dacf81306c63721bb28acfce9aa4dc7647cd

  • \Users\Admin\AppData\Local\Temp\RarSFX0\bdck.exe
    Filesize

    1.8MB

    MD5

    36838116462454d46b0c7b5de55a48fe

    SHA1

    b310836227d07b9961bb733be8545b457325b3c0

    SHA256

    31181ef89cad2bb0b1172a5384658f92973e2b81171a2d4db1644da742c5846f

    SHA512

    dd540fe3c2b0619788dfb799a3aeeed59722cac17202c9f75ae2d384dd26c56ae874597c5afe78d6b6bb676a9685dacf81306c63721bb28acfce9aa4dc7647cd

  • \Users\Admin\AppData\Local\Temp\RarSFX0\bdck.exe
    Filesize

    1.8MB

    MD5

    36838116462454d46b0c7b5de55a48fe

    SHA1

    b310836227d07b9961bb733be8545b457325b3c0

    SHA256

    31181ef89cad2bb0b1172a5384658f92973e2b81171a2d4db1644da742c5846f

    SHA512

    dd540fe3c2b0619788dfb799a3aeeed59722cac17202c9f75ae2d384dd26c56ae874597c5afe78d6b6bb676a9685dacf81306c63721bb28acfce9aa4dc7647cd

  • memory/1656-64-0x00000000003B0000-0x00000000003B1000-memory.dmp
    Filesize

    4KB

  • memory/1656-66-0x0000000000400000-0x0000000000A62000-memory.dmp
    Filesize

    6.4MB

  • memory/1700-65-0x0000000000400000-0x0000000000423000-memory.dmp
    Filesize

    140KB