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Analysis

  • max time kernel
    90s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/01/2023, 18:44

General

  • Target

    2e1c49b731a484625f839fa31a6da8ff2da51b8d.exe

  • Size

    1.2MB

  • MD5

    5f8ca23ce188123d138562e16dbc1f01

  • SHA1

    2e1c49b731a484625f839fa31a6da8ff2da51b8d

  • SHA256

    9a7a657e728c731ff69db20bfb86f32dea639d2020ed4415821161aced29f7b9

  • SHA512

    ac293f8ef341177449d2474b43f9e465c72ce2f69632efa6b6ed95e953fd1d8758cd8081142b9ad76ceda6e154b64f9d98a58ad9351f67fc207a556b9dc4ed25

  • SSDEEP

    24576:40oR2uCGoxHh79hDEiCYScLQotVPKUTyvWX1Qf+ceXj:uCGWF9hDE8F9pKUT3XTce

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5427131313:AAHLyTFmFK4eF7MFmUprVqnaYC6texltEAc/sendMessage?chat_id=5101192817

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.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • 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.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2e1c49b731a484625f839fa31a6da8ff2da51b8d.exe
    "C:\Users\Admin\AppData\Local\Temp\2e1c49b731a484625f839fa31a6da8ff2da51b8d.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lzhqmtG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1356
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lzhqmtG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp33C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:860
    • C:\Users\Admin\AppData\Local\Temp\2e1c49b731a484625f839fa31a6da8ff2da51b8d.exe
      "C:\Users\Admin\AppData\Local\Temp\2e1c49b731a484625f839fa31a6da8ff2da51b8d.exe"
      2⤵
        PID:4640
      • C:\Users\Admin\AppData\Local\Temp\2e1c49b731a484625f839fa31a6da8ff2da51b8d.exe
        "C:\Users\Admin\AppData\Local\Temp\2e1c49b731a484625f839fa31a6da8ff2da51b8d.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:4792

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\2e1c49b731a484625f839fa31a6da8ff2da51b8d.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\tmp33C.tmp

      Filesize

      1KB

      MD5

      2d127322169257be6ea26a8830a4699f

      SHA1

      c7e971ea375298a641d4d95fe6da0f2251718521

      SHA256

      c702b441b156037c0dfcb3b0ab21876b360a3076ecfc0b631364f6a3d291244e

      SHA512

      6a7561a0566b8540cd6a9643db5cbbbafb996efd56faab9ca1f2312d008f2fd25fd9580b926c47358f0b36f395633a463df30d43a66d4620fee9361d79b7ccfd

    • memory/1356-146-0x0000000004BB0000-0x0000000004BD2000-memory.dmp

      Filesize

      136KB

    • memory/1356-154-0x0000000006E80000-0x0000000006E9A000-memory.dmp

      Filesize

      104KB

    • memory/1356-159-0x00000000071A0000-0x00000000071A8000-memory.dmp

      Filesize

      32KB

    • memory/1356-139-0x0000000002260000-0x0000000002296000-memory.dmp

      Filesize

      216KB

    • memory/1356-158-0x00000000071C0000-0x00000000071DA000-memory.dmp

      Filesize

      104KB

    • memory/1356-142-0x0000000004CC0000-0x00000000052E8000-memory.dmp

      Filesize

      6.2MB

    • memory/1356-157-0x00000000070B0000-0x00000000070BE000-memory.dmp

      Filesize

      56KB

    • memory/1356-156-0x0000000007100000-0x0000000007196000-memory.dmp

      Filesize

      600KB

    • memory/1356-155-0x0000000006EF0000-0x0000000006EFA000-memory.dmp

      Filesize

      40KB

    • memory/1356-153-0x00000000074C0000-0x0000000007B3A000-memory.dmp

      Filesize

      6.5MB

    • memory/1356-152-0x0000000006120000-0x000000000613E000-memory.dmp

      Filesize

      120KB

    • memory/1356-147-0x0000000005360000-0x00000000053C6000-memory.dmp

      Filesize

      408KB

    • memory/1356-148-0x0000000005540000-0x00000000055A6000-memory.dmp

      Filesize

      408KB

    • memory/1356-149-0x0000000005B80000-0x0000000005B9E000-memory.dmp

      Filesize

      120KB

    • memory/1356-150-0x0000000006B40000-0x0000000006B72000-memory.dmp

      Filesize

      200KB

    • memory/1356-151-0x0000000070260000-0x00000000702AC000-memory.dmp

      Filesize

      304KB

    • memory/4792-144-0x0000000000400000-0x0000000000426000-memory.dmp

      Filesize

      152KB

    • memory/4792-160-0x0000000006230000-0x00000000063F2000-memory.dmp

      Filesize

      1.8MB

    • memory/4808-132-0x00000000000B0000-0x00000000001EC000-memory.dmp

      Filesize

      1.2MB

    • memory/4808-133-0x00000000050C0000-0x0000000005664000-memory.dmp

      Filesize

      5.6MB

    • memory/4808-136-0x00000000073A0000-0x000000000743C000-memory.dmp

      Filesize

      624KB

    • memory/4808-134-0x0000000004BB0000-0x0000000004C42000-memory.dmp

      Filesize

      584KB

    • memory/4808-135-0x0000000004B80000-0x0000000004B8A000-memory.dmp

      Filesize

      40KB