Analysis

  • max time kernel
    116s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/09/2024, 04:36

General

  • Target

    TeklifformuEkinoksLS10872510400000152.exe

  • Size

    545KB

  • MD5

    752c58548ee76d6732517c7d9f829df8

  • SHA1

    2f17dd9ff173034bc12621c0b35a5b2128b30ad7

  • SHA256

    1c9a030db393a1bba1b147b39f3a612e2babe9594b406449d40cdcaf374d32cd

  • SHA512

    0061e07587eb8b2d3ee468bfb08bcc46087ff18621f758467d89965ea2a0441a990132be32d35161b4f6ed2e067354361b2034653079059fad765dcc53260c7e

  • SSDEEP

    12288:lrt8bQbCqT7OqsqehMWPdQ+ToC7F4CgPo5a4:UIXqqYhM4dFoSgw5a4

Malware Config

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 1 IoCs

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

  • 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: RenamesItself 1 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\TeklifformuEkinoksLS10872510400000152.exe
    "C:\Users\Admin\AppData\Local\Temp\TeklifformuEkinoksLS10872510400000152.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:1440
    • 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\TeklifformuEkinoksLS10872510400000152.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:748
    • C:\Users\Admin\AppData\Local\Temp\TeklifformuEkinoksLS10872510400000152.exe
      "C:\Users\Admin\AppData\Local\Temp\TeklifformuEkinoksLS10872510400000152.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4584

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TeklifformuEkinoksLS10872510400000152.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rhl05ztt.j4x.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/748-51-0x0000000007BC0000-0x0000000007BDA000-memory.dmp

    Filesize

    104KB

  • memory/748-16-0x00000000052D0000-0x0000000005306000-memory.dmp

    Filesize

    216KB

  • memory/748-61-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/748-58-0x0000000007EE0000-0x0000000007EE8000-memory.dmp

    Filesize

    32KB

  • memory/748-57-0x0000000007F00000-0x0000000007F1A000-memory.dmp

    Filesize

    104KB

  • memory/748-56-0x0000000007E00000-0x0000000007E14000-memory.dmp

    Filesize

    80KB

  • memory/748-55-0x0000000007DF0000-0x0000000007DFE000-memory.dmp

    Filesize

    56KB

  • memory/748-54-0x0000000007DC0000-0x0000000007DD1000-memory.dmp

    Filesize

    68KB

  • memory/748-53-0x0000000007E40000-0x0000000007ED6000-memory.dmp

    Filesize

    600KB

  • memory/748-52-0x0000000007C30000-0x0000000007C3A000-memory.dmp

    Filesize

    40KB

  • memory/748-50-0x0000000008200000-0x000000000887A000-memory.dmp

    Filesize

    6.5MB

  • memory/748-49-0x0000000007AA0000-0x0000000007B43000-memory.dmp

    Filesize

    652KB

  • memory/748-48-0x0000000006E80000-0x0000000006E9E000-memory.dmp

    Filesize

    120KB

  • memory/748-33-0x00000000068A0000-0x00000000068BE000-memory.dmp

    Filesize

    120KB

  • memory/748-17-0x0000000005A40000-0x0000000006068000-memory.dmp

    Filesize

    6.2MB

  • memory/748-18-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/748-19-0x00000000057C0000-0x00000000057E2000-memory.dmp

    Filesize

    136KB

  • memory/748-21-0x00000000058D0000-0x0000000005936000-memory.dmp

    Filesize

    408KB

  • memory/748-20-0x0000000005860000-0x00000000058C6000-memory.dmp

    Filesize

    408KB

  • memory/748-38-0x0000000070350000-0x000000007039C000-memory.dmp

    Filesize

    304KB

  • memory/748-35-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/748-37-0x0000000007860000-0x0000000007892000-memory.dmp

    Filesize

    200KB

  • memory/748-32-0x0000000006280000-0x00000000065D4000-memory.dmp

    Filesize

    3.3MB

  • memory/748-34-0x00000000068E0000-0x000000000692C000-memory.dmp

    Filesize

    304KB

  • memory/748-36-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-0-0x000000007492E000-0x000000007492F000-memory.dmp

    Filesize

    4KB

  • memory/1440-9-0x0000000007500000-0x0000000007568000-memory.dmp

    Filesize

    416KB

  • memory/1440-4-0x0000000005560000-0x000000000556A000-memory.dmp

    Filesize

    40KB

  • memory/1440-15-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-5-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

    Filesize

    5.6MB

  • memory/1440-1-0x0000000000B70000-0x0000000000BFE000-memory.dmp

    Filesize

    568KB

  • memory/1440-6-0x0000000005780000-0x0000000005792000-memory.dmp

    Filesize

    72KB

  • memory/1440-10-0x0000000009C20000-0x0000000009CBC000-memory.dmp

    Filesize

    624KB

  • memory/1440-3-0x00000000054C0000-0x0000000005552000-memory.dmp

    Filesize

    584KB

  • memory/1440-8-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/1440-7-0x000000007492E000-0x000000007492F000-memory.dmp

    Filesize

    4KB

  • memory/4584-11-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/4584-14-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4584-22-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4584-62-0x00000000069E0000-0x0000000006A30000-memory.dmp

    Filesize

    320KB

  • memory/4584-63-0x0000000006C00000-0x0000000006DC2000-memory.dmp

    Filesize

    1.8MB

  • memory/4584-64-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4584-65-0x0000000074920000-0x00000000750D0000-memory.dmp

    Filesize

    7.7MB