Analysis

  • max time kernel
    185s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 11:19

General

  • Target

    0b65cec380e24cdc60a6e034ecc0ad1d47f52048dc11f88d33f693fde52870a1.exe

  • Size

    1007KB

  • MD5

    5ae5b9fd23698f70e2b0bbfa91dc4bc3

  • SHA1

    d59f364bf8707be6aa529d52d3e695a3be23469b

  • SHA256

    0b65cec380e24cdc60a6e034ecc0ad1d47f52048dc11f88d33f693fde52870a1

  • SHA512

    b9159b28be5c8e3a8651e2a14cba8da59a103db507b2db657a7717bede1ed96f8b72cb66df01eff4d7c2aba4bffc894af7141e81f23e28174606c4ba19bc6949

  • SSDEEP

    24576:1Bd5WtFBJDsi+uNaLRILoHKdYH1CeZbi6ezAot3EF8x20C7R1dH:M3Dsi38dDt

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Obfuscated with Agile.Net obfuscator 3 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0b65cec380e24cdc60a6e034ecc0ad1d47f52048dc11f88d33f693fde52870a1.exe
    "C:\Users\Admin\AppData\Local\Temp\0b65cec380e24cdc60a6e034ecc0ad1d47f52048dc11f88d33f693fde52870a1.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4624
    • C:\Users\Admin\AppData\Local\Temp\0b65cec380e24cdc60a6e034ecc0ad1d47f52048dc11f88d33f693fde52870a1.exe
      "C:\Users\Admin\AppData\Local\Temp\0b65cec380e24cdc60a6e034ecc0ad1d47f52048dc11f88d33f693fde52870a1.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:3952
      • C:\Users\Admin\AppData\Roaming\Windows Update.exe
        "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2668
        • C:\Users\Admin\AppData\Roaming\Windows Update.exe
          "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          PID:3736

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\Microsoft\CLR_v2.0_32\UsageLogs\0b65cec380e24cdc60a6e034ecc0ad1d47f52048dc11f88d33f693fde52870a1.exe.log
    Filesize

    496B

    MD5

    cb76b18ebed3a9f05a14aed43d35fba6

    SHA1

    836a4b4e351846fca08b84149cb734cb59b8c0d6

    SHA256

    8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

    SHA512

    7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Windows Update.exe.log
    Filesize

    496B

    MD5

    cb76b18ebed3a9f05a14aed43d35fba6

    SHA1

    836a4b4e351846fca08b84149cb734cb59b8c0d6

    SHA256

    8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

    SHA512

    7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

  • C:\Users\Admin\AppData\Local\Temp\SysInfo.txt
    Filesize

    102B

    MD5

    5169980e1a9b7e0dce4e906e22d1e94a

    SHA1

    02f592b97337f7ae2de70f4e62bac575495d1464

    SHA256

    1afb9082b4092f609cc60c2b93d2c610af9d95e27a811f407b7792978e30b26d

    SHA512

    295cb76af1cba4b368ef9c230b4a608c047f719ea0c37c1fc6c24d88a9bd26336e225dbf778ef14287c0ed3279892e635f307d1f5d52d45f17cda1b326d02b02

  • C:\Users\Admin\AppData\Roaming\Windows Update.exe
    Filesize

    1007KB

    MD5

    5ae5b9fd23698f70e2b0bbfa91dc4bc3

    SHA1

    d59f364bf8707be6aa529d52d3e695a3be23469b

    SHA256

    0b65cec380e24cdc60a6e034ecc0ad1d47f52048dc11f88d33f693fde52870a1

    SHA512

    b9159b28be5c8e3a8651e2a14cba8da59a103db507b2db657a7717bede1ed96f8b72cb66df01eff4d7c2aba4bffc894af7141e81f23e28174606c4ba19bc6949

  • C:\Users\Admin\AppData\Roaming\Windows Update.exe
    Filesize

    1007KB

    MD5

    5ae5b9fd23698f70e2b0bbfa91dc4bc3

    SHA1

    d59f364bf8707be6aa529d52d3e695a3be23469b

    SHA256

    0b65cec380e24cdc60a6e034ecc0ad1d47f52048dc11f88d33f693fde52870a1

    SHA512

    b9159b28be5c8e3a8651e2a14cba8da59a103db507b2db657a7717bede1ed96f8b72cb66df01eff4d7c2aba4bffc894af7141e81f23e28174606c4ba19bc6949

  • C:\Users\Admin\AppData\Roaming\Windows Update.exe
    Filesize

    1007KB

    MD5

    5ae5b9fd23698f70e2b0bbfa91dc4bc3

    SHA1

    d59f364bf8707be6aa529d52d3e695a3be23469b

    SHA256

    0b65cec380e24cdc60a6e034ecc0ad1d47f52048dc11f88d33f693fde52870a1

    SHA512

    b9159b28be5c8e3a8651e2a14cba8da59a103db507b2db657a7717bede1ed96f8b72cb66df01eff4d7c2aba4bffc894af7141e81f23e28174606c4ba19bc6949

  • memory/2668-138-0x0000000000000000-mapping.dmp
  • memory/2668-149-0x0000000074F10000-0x00000000754C1000-memory.dmp
    Filesize

    5.7MB

  • memory/2668-143-0x0000000074F10000-0x00000000754C1000-memory.dmp
    Filesize

    5.7MB

  • memory/2668-144-0x0000000074F10000-0x00000000754C1000-memory.dmp
    Filesize

    5.7MB

  • memory/3736-145-0x0000000000000000-mapping.dmp
  • memory/3736-150-0x0000000074F10000-0x00000000754C1000-memory.dmp
    Filesize

    5.7MB

  • memory/3736-152-0x0000000074F10000-0x00000000754C1000-memory.dmp
    Filesize

    5.7MB

  • memory/3952-137-0x0000000074F10000-0x00000000754C1000-memory.dmp
    Filesize

    5.7MB

  • memory/3952-142-0x0000000074F10000-0x00000000754C1000-memory.dmp
    Filesize

    5.7MB

  • memory/3952-135-0x0000000000400000-0x00000000004B8000-memory.dmp
    Filesize

    736KB

  • memory/3952-134-0x0000000000000000-mapping.dmp
  • memory/4624-132-0x0000000074F10000-0x00000000754C1000-memory.dmp
    Filesize

    5.7MB

  • memory/4624-136-0x0000000074F10000-0x00000000754C1000-memory.dmp
    Filesize

    5.7MB

  • memory/4624-133-0x0000000074F10000-0x00000000754C1000-memory.dmp
    Filesize

    5.7MB