Analysis

  • max time kernel
    125s
  • max time network
    129s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08-09-2024 04:59

General

  • Target

    DOC030222-03022022133454.exe

  • Size

    70.0MB

  • MD5

    bd57b0a1274b9f3b72e3e6dc16987f78

  • SHA1

    9909c6463eec32f6a0b57d86a89c8746c1c0e431

  • SHA256

    544bcd37f2451628755df5917671493844a63efbc5056dac8ebf84f25f788288

  • SHA512

    da2eb06866b494e3ef106a03593610e8bc4bec7702c24640c5d82d9a2235eea84f39aa7efc67eadff6908c897e922921f32da8588ddea734a9defc8630ddf80c

  • SSDEEP

    12288:gb28w2UdchuF+PzldKSL7V9J7Q/2Hj98r6FN+60:J8lCMuF5U9VQ/2HjsY+6

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe
    "C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3596
    • C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe
      "C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe"
      2⤵
        PID:1884
      • C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe
        "C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe"
        2⤵
        • Checks computer location settings
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3536
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /C choice /C Y /N /D Y /T 3 & Del "C:\Users\Admin\AppData\Local\Temp\DOC030222-03022022133454.exe"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3300
          • C:\Windows\SysWOW64\choice.exe
            choice /C Y /N /D Y /T 3
            4⤵
            • System Location Discovery: System Language Discovery
            PID:4776
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4292,i,8548254608087149642,10333768245962368401,262144 --variations-seed-version --mojo-platform-channel-handle=4112 /prefetch:8
      1⤵
        PID:2216

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\DOC030222-03022022133454.exe.log

        Filesize

        1KB

        MD5

        8ec831f3e3a3f77e4a7b9cd32b48384c

        SHA1

        d83f09fd87c5bd86e045873c231c14836e76a05c

        SHA256

        7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

        SHA512

        26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

      • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y00occ5i.3n5.ps1

        Filesize

        60B

        MD5

        d17fe0a3f47be24a6453e9ef58c94641

        SHA1

        6ab83620379fc69f80c0242105ddffd7d98d5d9d

        SHA256

        96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

        SHA512

        5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

      • memory/3220-8-0x0000000074A40000-0x00000000751F0000-memory.dmp

        Filesize

        7.7MB

      • memory/3220-9-0x0000000006900000-0x0000000006968000-memory.dmp

        Filesize

        416KB

      • memory/3220-4-0x0000000005730000-0x000000000573A000-memory.dmp

        Filesize

        40KB

      • memory/3220-5-0x0000000074A40000-0x00000000751F0000-memory.dmp

        Filesize

        7.7MB

      • memory/3220-6-0x0000000005CD0000-0x0000000005CE8000-memory.dmp

        Filesize

        96KB

      • memory/3220-7-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

        Filesize

        4KB

      • memory/3220-0-0x0000000074A4E000-0x0000000074A4F000-memory.dmp

        Filesize

        4KB

      • memory/3220-3-0x0000000005690000-0x0000000005722000-memory.dmp

        Filesize

        584KB

      • memory/3220-10-0x0000000006B70000-0x0000000006C0C000-memory.dmp

        Filesize

        624KB

      • memory/3220-1-0x0000000000C10000-0x0000000000CA0000-memory.dmp

        Filesize

        576KB

      • memory/3220-2-0x0000000005D50000-0x00000000062F4000-memory.dmp

        Filesize

        5.6MB

      • memory/3220-14-0x0000000074A40000-0x00000000751F0000-memory.dmp

        Filesize

        7.7MB

      • memory/3536-37-0x0000000074A40000-0x00000000751F0000-memory.dmp

        Filesize

        7.7MB

      • memory/3536-13-0x0000000074A40000-0x00000000751F0000-memory.dmp

        Filesize

        7.7MB

      • memory/3536-32-0x0000000074A40000-0x00000000751F0000-memory.dmp

        Filesize

        7.7MB

      • memory/3536-11-0x0000000000400000-0x0000000000426000-memory.dmp

        Filesize

        152KB

      • memory/3596-21-0x0000000005B00000-0x0000000005B66000-memory.dmp

        Filesize

        408KB

      • memory/3596-49-0x0000000007490000-0x00000000074AE000-memory.dmp

        Filesize

        120KB

      • memory/3596-20-0x0000000005A90000-0x0000000005AF6000-memory.dmp

        Filesize

        408KB

      • memory/3596-19-0x0000000005310000-0x0000000005332000-memory.dmp

        Filesize

        136KB

      • memory/3596-17-0x0000000074A40000-0x00000000751F0000-memory.dmp

        Filesize

        7.7MB

      • memory/3596-18-0x00000000053B0000-0x00000000059D8000-memory.dmp

        Filesize

        6.2MB

      • memory/3596-33-0x0000000005CD0000-0x0000000006024000-memory.dmp

        Filesize

        3.3MB

      • memory/3596-34-0x00000000062D0000-0x00000000062EE000-memory.dmp

        Filesize

        120KB

      • memory/3596-35-0x0000000006310000-0x000000000635C000-memory.dmp

        Filesize

        304KB

      • memory/3596-16-0x0000000074A40000-0x00000000751F0000-memory.dmp

        Filesize

        7.7MB

      • memory/3596-15-0x00000000029D0000-0x0000000002A06000-memory.dmp

        Filesize

        216KB

      • memory/3596-38-0x0000000006890000-0x00000000068C2000-memory.dmp

        Filesize

        200KB

      • memory/3596-39-0x0000000070320000-0x000000007036C000-memory.dmp

        Filesize

        304KB

      • memory/3596-22-0x0000000074A40000-0x00000000751F0000-memory.dmp

        Filesize

        7.7MB

      • memory/3596-50-0x00000000074C0000-0x0000000007563000-memory.dmp

        Filesize

        652KB

      • memory/3596-52-0x0000000007600000-0x000000000761A000-memory.dmp

        Filesize

        104KB

      • memory/3596-51-0x0000000007C40000-0x00000000082BA000-memory.dmp

        Filesize

        6.5MB

      • memory/3596-53-0x0000000007670000-0x000000000767A000-memory.dmp

        Filesize

        40KB

      • memory/3596-54-0x0000000007880000-0x0000000007916000-memory.dmp

        Filesize

        600KB

      • memory/3596-55-0x0000000007800000-0x0000000007811000-memory.dmp

        Filesize

        68KB

      • memory/3596-56-0x0000000007830000-0x000000000783E000-memory.dmp

        Filesize

        56KB

      • memory/3596-57-0x0000000007840000-0x0000000007854000-memory.dmp

        Filesize

        80KB

      • memory/3596-58-0x0000000007940000-0x000000000795A000-memory.dmp

        Filesize

        104KB

      • memory/3596-59-0x0000000007920000-0x0000000007928000-memory.dmp

        Filesize

        32KB

      • memory/3596-62-0x0000000074A40000-0x00000000751F0000-memory.dmp

        Filesize

        7.7MB