Analysis

  • max time kernel
    82s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/03/2023, 09:59

General

  • Target

    a283d96e9d07b9348f3f4cb1e9fdce7c.exe

  • Size

    119KB

  • MD5

    a283d96e9d07b9348f3f4cb1e9fdce7c

  • SHA1

    9b4c8a8949140d3e78bdcd879c841287b17d607a

  • SHA256

    51d49d333a705ef440e6a93a7fd10ca17e0274e557adb79ec4ae1ff5ab880c5b

  • SHA512

    68455f51a235a40f6a7a683c8c4ca5a05f3167d199aa30102470693b2e25e2ba3034f7c7a51cb14de4df4929c7f7d295b0c0c955a58bb7f856c9559da7167a1d

  • SSDEEP

    1536:Ck2lYBFnMjeaeONqJ6jL2YUO6CAMmiqmMojvQNRdvd:12cMjDXq8aCAHiqmMpj

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a283d96e9d07b9348f3f4cb1e9fdce7c.exe
    "C:\Users\Admin\AppData\Local\Temp\a283d96e9d07b9348f3f4cb1e9fdce7c.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4288
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3532
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4692

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_anocjxot.n0m.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3532-154-0x0000000006140000-0x000000000615A000-memory.dmp

    Filesize

    104KB

  • memory/3532-151-0x0000000005C40000-0x0000000005C5E000-memory.dmp

    Filesize

    120KB

  • memory/3532-136-0x0000000000E10000-0x0000000000E46000-memory.dmp

    Filesize

    216KB

  • memory/3532-137-0x0000000004E70000-0x0000000005498000-memory.dmp

    Filesize

    6.2MB

  • memory/3532-138-0x00000000027B0000-0x00000000027C0000-memory.dmp

    Filesize

    64KB

  • memory/3532-140-0x00000000027B0000-0x00000000027C0000-memory.dmp

    Filesize

    64KB

  • memory/3532-139-0x0000000004D10000-0x0000000004D76000-memory.dmp

    Filesize

    408KB

  • memory/3532-141-0x00000000055A0000-0x0000000005606000-memory.dmp

    Filesize

    408KB

  • memory/3532-158-0x00000000027B0000-0x00000000027C0000-memory.dmp

    Filesize

    64KB

  • memory/3532-157-0x00000000027B0000-0x00000000027C0000-memory.dmp

    Filesize

    64KB

  • memory/3532-152-0x00000000072A0000-0x000000000791A000-memory.dmp

    Filesize

    6.5MB

  • memory/3532-153-0x00000000027B0000-0x00000000027C0000-memory.dmp

    Filesize

    64KB

  • memory/3532-156-0x00000000027B0000-0x00000000027C0000-memory.dmp

    Filesize

    64KB

  • memory/4288-135-0x0000000006A50000-0x0000000006A72000-memory.dmp

    Filesize

    136KB

  • memory/4288-133-0x0000000000E10000-0x0000000000E34000-memory.dmp

    Filesize

    144KB

  • memory/4288-155-0x0000000005790000-0x00000000057A0000-memory.dmp

    Filesize

    64KB

  • memory/4288-134-0x0000000005790000-0x00000000057A0000-memory.dmp

    Filesize

    64KB

  • memory/4692-168-0x0000000005E60000-0x0000000006022000-memory.dmp

    Filesize

    1.8MB

  • memory/4692-165-0x00000000054E0000-0x0000000005A84000-memory.dmp

    Filesize

    5.6MB

  • memory/4692-166-0x0000000004DD0000-0x0000000004E6C000-memory.dmp

    Filesize

    624KB

  • memory/4692-167-0x00000000051C0000-0x00000000051D0000-memory.dmp

    Filesize

    64KB

  • memory/4692-163-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4692-169-0x0000000006030000-0x00000000060C2000-memory.dmp

    Filesize

    584KB

  • memory/4692-170-0x0000000005DE0000-0x0000000005DEA000-memory.dmp

    Filesize

    40KB

  • memory/4692-171-0x00000000051C0000-0x00000000051D0000-memory.dmp

    Filesize

    64KB