Analysis

  • max time kernel
    148s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    08-07-2022 06:40

General

  • Target

    41265978129d25cb75b2523d24896a39d37273e285e165800c0bea6c2caac60a.exe

  • Size

    263KB

  • MD5

    594e681165d7f6a566cae99cf29b02ea

  • SHA1

    d2bcd07d94be4fbbcc87df9d9e5c69340a897cc0

  • SHA256

    41265978129d25cb75b2523d24896a39d37273e285e165800c0bea6c2caac60a

  • SHA512

    c3e720ac73e29beef0ca3f4998e9ce0d5e2784defe0401836d8f1171c10126cf16432c86e28d63bf97a78f929937d3582b7aee85f43c046e5ba2d3cab46e3f67

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\41265978129d25cb75b2523d24896a39d37273e285e165800c0bea6c2caac60a.exe
    "C:\Users\Admin\AppData\Local\Temp\41265978129d25cb75b2523d24896a39d37273e285e165800c0bea6c2caac60a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3396
    • C:\Users\Admin\AppData\Local\Temp\WindowsFormsApplication3.exe
      "C:\Users\Admin\AppData\Local\Temp\WindowsFormsApplication3.exe"
      2⤵
      • Executes dropped EXE
      PID:1156
    • C:\Users\Admin\AppData\Local\Temp\ConsoleApplication4.exe
      "C:\Users\Admin\AppData\Local\Temp\ConsoleApplication4.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1532
      • C:\Users\Admin\AppData\Roaming\Client.exe
        "C:\Users\Admin\AppData\Roaming\Client.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        PID:1220

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\ConsoleApplication4.exe
    Filesize

    178KB

    MD5

    d33203f0e96e4f56a91e203e709d5f84

    SHA1

    1090bdad8a5e0febbe9422cc3247e1c4319c0521

    SHA256

    d0b71e3a7679f7c55b72954fdc0f86d5a5d29b87ae00961c43f0d6ddfd8e8c30

    SHA512

    ff5bc8ba89b0931df8d471c1c246b5d2cb71cc2bbf70ce357f52eaa4319acff7f6b90a20f2f27cfc9d2877e363b58324ab5876a1858ba7f84052a199aad9dbae

  • C:\Users\Admin\AppData\Local\Temp\ConsoleApplication4.exe
    Filesize

    178KB

    MD5

    d33203f0e96e4f56a91e203e709d5f84

    SHA1

    1090bdad8a5e0febbe9422cc3247e1c4319c0521

    SHA256

    d0b71e3a7679f7c55b72954fdc0f86d5a5d29b87ae00961c43f0d6ddfd8e8c30

    SHA512

    ff5bc8ba89b0931df8d471c1c246b5d2cb71cc2bbf70ce357f52eaa4319acff7f6b90a20f2f27cfc9d2877e363b58324ab5876a1858ba7f84052a199aad9dbae

  • C:\Users\Admin\AppData\Local\Temp\WindowsFormsApplication3.exe
    Filesize

    8KB

    MD5

    a609ff22165a3794ad71643628d67cb9

    SHA1

    0a2a289f5be48e2927734ae0e545b2bab143bce8

    SHA256

    6b9a200617b48fa8478674058fcc63c98e48235003bdf423f644feb1696bd2d7

    SHA512

    748bace7e7e15cb2441bcc5c0ce998978284d64ab5df933342189804d57d922d1af3e8b261ea1a38a60ad2973ff83cc191b0a047ac30708d10750276f2f1c50a

  • C:\Users\Admin\AppData\Local\Temp\WindowsFormsApplication3.exe
    Filesize

    8KB

    MD5

    a609ff22165a3794ad71643628d67cb9

    SHA1

    0a2a289f5be48e2927734ae0e545b2bab143bce8

    SHA256

    6b9a200617b48fa8478674058fcc63c98e48235003bdf423f644feb1696bd2d7

    SHA512

    748bace7e7e15cb2441bcc5c0ce998978284d64ab5df933342189804d57d922d1af3e8b261ea1a38a60ad2973ff83cc191b0a047ac30708d10750276f2f1c50a

  • C:\Users\Admin\AppData\Roaming\Client.exe
    Filesize

    178KB

    MD5

    d33203f0e96e4f56a91e203e709d5f84

    SHA1

    1090bdad8a5e0febbe9422cc3247e1c4319c0521

    SHA256

    d0b71e3a7679f7c55b72954fdc0f86d5a5d29b87ae00961c43f0d6ddfd8e8c30

    SHA512

    ff5bc8ba89b0931df8d471c1c246b5d2cb71cc2bbf70ce357f52eaa4319acff7f6b90a20f2f27cfc9d2877e363b58324ab5876a1858ba7f84052a199aad9dbae

  • C:\Users\Admin\AppData\Roaming\Client.exe
    Filesize

    178KB

    MD5

    d33203f0e96e4f56a91e203e709d5f84

    SHA1

    1090bdad8a5e0febbe9422cc3247e1c4319c0521

    SHA256

    d0b71e3a7679f7c55b72954fdc0f86d5a5d29b87ae00961c43f0d6ddfd8e8c30

    SHA512

    ff5bc8ba89b0931df8d471c1c246b5d2cb71cc2bbf70ce357f52eaa4319acff7f6b90a20f2f27cfc9d2877e363b58324ab5876a1858ba7f84052a199aad9dbae

  • memory/1156-142-0x0000000000D40000-0x0000000000D48000-memory.dmp
    Filesize

    32KB

  • memory/1156-136-0x0000000000000000-mapping.dmp
  • memory/1220-145-0x0000000000000000-mapping.dmp
  • memory/1532-139-0x0000000000000000-mapping.dmp
  • memory/1532-143-0x00000000009A0000-0x00000000009D2000-memory.dmp
    Filesize

    200KB

  • memory/1532-144-0x0000000005350000-0x00000000053B6000-memory.dmp
    Filesize

    408KB

  • memory/3396-130-0x00000000002A0000-0x00000000002AA000-memory.dmp
    Filesize

    40KB

  • memory/3396-135-0x00000000051F0000-0x0000000005246000-memory.dmp
    Filesize

    344KB

  • memory/3396-134-0x0000000004E60000-0x0000000004E6A000-memory.dmp
    Filesize

    40KB

  • memory/3396-133-0x0000000005000000-0x0000000005092000-memory.dmp
    Filesize

    584KB

  • memory/3396-132-0x00000000055B0000-0x0000000005B54000-memory.dmp
    Filesize

    5.6MB

  • memory/3396-131-0x0000000002810000-0x00000000028AC000-memory.dmp
    Filesize

    624KB