Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-02-2023 19:33

General

  • Target

    decrypted_2.exe

  • Size

    479KB

  • MD5

    73d9cfaa50432fbb0133e3abfce5f40c

  • SHA1

    6ff96f23aef03fbf7efdee970304005cfae8f088

  • SHA256

    d73e9d1fc1c5eca7d3e3c236833f6f98ec189d57aadd08bee5806170cdab6c1a

  • SHA512

    46d8901bcd853cbff340cd85a0bc980e782a174aa4c8204f7cd7a577c080442e78fb89ed49837cf7a7574ef85e31c70b4baeab292281ed3fe8e19671344eeb2a

  • SSDEEP

    6144:UTouKrWBEu3/Z2lpGDHU3ykJmnRT/EXsbIh/JW6skkf28J:UToPWBv/cpGrU3y/nNesbIZJW6nSfJ

Score
8/10

Malware Config

Signatures

  • Modifies Windows Firewall 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops autorun.inf file 1 TTPs 3 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 33 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\decrypted_2.exe
    "C:\Users\Admin\AppData\Local\Temp\decrypted_2.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4520
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Glitch_loader.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Glitch_loader.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of WriteProcessMemory
      PID:3068
      • C:\Users\Admin\AppData\Roaming\wlninit.exe
        "C:\Users\Admin\AppData\Roaming\wlninit.exe"
        3⤵
        • Drops startup file
        • Executes dropped EXE
        • Adds Run key to start application
        • Drops autorun.inf file
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4952
        • C:\Windows\SysWOW64\netsh.exe
          netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\wlninit.exe" "wlninit.exe" ENABLE
          4⤵
          • Modifies Windows Firewall
          PID:4076
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Glitcher.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\Glitcher.exe"
      2⤵
      • Executes dropped EXE
      PID:1312

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    52KB

    MD5

    f3867179dffab4476e51f1ea3e0e730b

    SHA1

    b4207587e8417a93dbfe5be3a9d885df6f7fcc74

    SHA256

    1be93b106625cfa0535c5ee37f75baee9703a51bc0efaa8fad08b7f4174e2ab2

    SHA512

    553cfabb81481d2107f9914b62cc334b52180ea5c15c662069044250d45ba143c6962cefe100716a81f272ee142d92952ea687eadb8a3fa9fe2dfaa720edc71a

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

    Filesize

    52KB

    MD5

    f3867179dffab4476e51f1ea3e0e730b

    SHA1

    b4207587e8417a93dbfe5be3a9d885df6f7fcc74

    SHA256

    1be93b106625cfa0535c5ee37f75baee9703a51bc0efaa8fad08b7f4174e2ab2

    SHA512

    553cfabb81481d2107f9914b62cc334b52180ea5c15c662069044250d45ba143c6962cefe100716a81f272ee142d92952ea687eadb8a3fa9fe2dfaa720edc71a

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

    Filesize

    13KB

    MD5

    e7304abaea601b10c1fd25f73643b8b2

    SHA1

    d6310b99c1f7819071f1a6e24e06c3178ebc3f0b

    SHA256

    20b002b1f913fa83a2c05a63881936e839195e9196f15fc92f9b66604fc6fd6c

    SHA512

    969d59a4533bcd25b440529d92be206700b6e4e6f07f9b283bf1d1ae2961543261dbe49d9649d79568e54d149cc4b41fef26e364929893fae8f53c3ed907ac2c

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

    Filesize

    13KB

    MD5

    e7304abaea601b10c1fd25f73643b8b2

    SHA1

    d6310b99c1f7819071f1a6e24e06c3178ebc3f0b

    SHA256

    20b002b1f913fa83a2c05a63881936e839195e9196f15fc92f9b66604fc6fd6c

    SHA512

    969d59a4533bcd25b440529d92be206700b6e4e6f07f9b283bf1d1ae2961543261dbe49d9649d79568e54d149cc4b41fef26e364929893fae8f53c3ed907ac2c

  • C:\Users\Admin\AppData\Roaming\wlninit.exe

    Filesize

    52KB

    MD5

    f3867179dffab4476e51f1ea3e0e730b

    SHA1

    b4207587e8417a93dbfe5be3a9d885df6f7fcc74

    SHA256

    1be93b106625cfa0535c5ee37f75baee9703a51bc0efaa8fad08b7f4174e2ab2

    SHA512

    553cfabb81481d2107f9914b62cc334b52180ea5c15c662069044250d45ba143c6962cefe100716a81f272ee142d92952ea687eadb8a3fa9fe2dfaa720edc71a

  • C:\Users\Admin\AppData\Roaming\wlninit.exe

    Filesize

    52KB

    MD5

    f3867179dffab4476e51f1ea3e0e730b

    SHA1

    b4207587e8417a93dbfe5be3a9d885df6f7fcc74

    SHA256

    1be93b106625cfa0535c5ee37f75baee9703a51bc0efaa8fad08b7f4174e2ab2

    SHA512

    553cfabb81481d2107f9914b62cc334b52180ea5c15c662069044250d45ba143c6962cefe100716a81f272ee142d92952ea687eadb8a3fa9fe2dfaa720edc71a

  • memory/1312-144-0x00007FFE4E5E0000-0x00007FFE4F0A1000-memory.dmp

    Filesize

    10.8MB

  • memory/1312-143-0x0000000000D80000-0x0000000000D8A000-memory.dmp

    Filesize

    40KB

  • memory/1312-147-0x00007FFE4E5E0000-0x00007FFE4F0A1000-memory.dmp

    Filesize

    10.8MB

  • memory/3068-139-0x0000000073230000-0x00000000737E1000-memory.dmp

    Filesize

    5.7MB

  • memory/3068-135-0x0000000073230000-0x00000000737E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4952-145-0x0000000073230000-0x00000000737E1000-memory.dmp

    Filesize

    5.7MB

  • memory/4952-148-0x0000000073230000-0x00000000737E1000-memory.dmp

    Filesize

    5.7MB