Analysis

  • max time kernel
    78s
  • max time network
    134s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/03/2023, 05:04

General

  • Target

    tmp.exe

  • Size

    101KB

  • MD5

    1dd8d52497f7455fe2c56a864366df1b

  • SHA1

    7af9222c6348653dcad5aa791850c69553d887d5

  • SHA256

    8cd4a7811293d4bde527b605becd5b1cadb2e9758921e2b81332fdfc3bc2ad35

  • SHA512

    06c4aad3461b964f5dc7cfb9742ef5baeb7c84159838d98b20481c4cd82b00941bb13bab122b1f43e881aca2b21b37ab6b6ef41707488fd9061c8cd07b7f61dc

  • SSDEEP

    1536:qRcZUmDmHMWpkEfY2SYrLkde9hPMwg5AOoZAqRjAGInF3h5G9+zo:qGZUYmHMH7A9pBsAOoVeYB

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\tmp.exe
    "C:\Users\Admin\AppData\Local\Temp\tmp.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1588
    • 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:776
    • 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:2404

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kemubiiv.bfe.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/776-153-0x0000000006240000-0x000000000625A000-memory.dmp

    Filesize

    104KB

  • memory/776-151-0x0000000005D40000-0x0000000005D5E000-memory.dmp

    Filesize

    120KB

  • memory/776-136-0x0000000002750000-0x0000000002786000-memory.dmp

    Filesize

    216KB

  • memory/776-137-0x0000000004EA0000-0x00000000054C8000-memory.dmp

    Filesize

    6.2MB

  • memory/776-138-0x0000000002700000-0x0000000002710000-memory.dmp

    Filesize

    64KB

  • memory/776-140-0x0000000002700000-0x0000000002710000-memory.dmp

    Filesize

    64KB

  • memory/776-141-0x00000000056F0000-0x0000000005756000-memory.dmp

    Filesize

    408KB

  • memory/776-139-0x0000000005580000-0x00000000055E6000-memory.dmp

    Filesize

    408KB

  • memory/776-158-0x0000000002700000-0x0000000002710000-memory.dmp

    Filesize

    64KB

  • memory/776-157-0x0000000002700000-0x0000000002710000-memory.dmp

    Filesize

    64KB

  • memory/776-152-0x0000000007390000-0x0000000007A0A000-memory.dmp

    Filesize

    6.5MB

  • memory/776-154-0x0000000002700000-0x0000000002710000-memory.dmp

    Filesize

    64KB

  • memory/776-156-0x0000000002700000-0x0000000002710000-memory.dmp

    Filesize

    64KB

  • memory/1588-135-0x0000000006810000-0x0000000006832000-memory.dmp

    Filesize

    136KB

  • memory/1588-133-0x0000000000960000-0x0000000000980000-memory.dmp

    Filesize

    128KB

  • memory/1588-155-0x0000000005330000-0x0000000005340000-memory.dmp

    Filesize

    64KB

  • memory/1588-134-0x0000000005330000-0x0000000005340000-memory.dmp

    Filesize

    64KB

  • memory/2404-168-0x0000000006230000-0x00000000063F2000-memory.dmp

    Filesize

    1.8MB

  • memory/2404-165-0x00000000056F0000-0x0000000005C94000-memory.dmp

    Filesize

    5.6MB

  • memory/2404-166-0x00000000051E0000-0x000000000527C000-memory.dmp

    Filesize

    624KB

  • memory/2404-167-0x0000000005490000-0x00000000054A0000-memory.dmp

    Filesize

    64KB

  • memory/2404-163-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2404-169-0x0000000006400000-0x0000000006492000-memory.dmp

    Filesize

    584KB

  • memory/2404-170-0x00000000061B0000-0x00000000061BA000-memory.dmp

    Filesize

    40KB

  • memory/2404-171-0x0000000005490000-0x00000000054A0000-memory.dmp

    Filesize

    64KB