Analysis

  • max time kernel
    122s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    15-05-2024 01:49

General

  • Target

    documents_24.5.13YTKargo.pdf.exe

  • Size

    588KB

  • MD5

    7f9adfa5c6ddb5471f7b391d037252b2

  • SHA1

    122645622b73002a2d8b8215d6573ab22523a0e2

  • SHA256

    f815285cda1f471dc22b3c4582d1c5fad00bacc7c5e76a08f289d7fae6a35bd4

  • SHA512

    5f8b6565006dd61e11da209aa1103ca4987bd397a19da5b38a782f61d7bae13c244a4ba2de78982803b764bdd45a831de382da61bbbf3c3ade4d307675a21ad8

  • SSDEEP

    12288:2rRgAXYMjhvPie/rByY7777777777777c99E4NQ2CMiH99dsgJJ8Z0WQoiQFzpgi:2dgAXYMFniyyXzEMCMid9prPwDajgSxF

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

https://scratchdreams.tk

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 5 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 5 IoCs
  • Detects executables with potential process hoocking 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • 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).

  • 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 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3064
    • 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\documents_24.5.13YTKargo.pdf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\EDqfTdWmvf.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2580
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\EDqfTdWmvf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp369A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2556
    • C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\documents_24.5.13YTKargo.pdf.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2420

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp369A.tmp

    Filesize

    1KB

    MD5

    3c1823d0992f084049f746a669edf6e6

    SHA1

    bcdd1e0b1f89181f6ac69f0006a49770fa9001a1

    SHA256

    71eda879ea262b5e874d5099e83b037e12b2f7bc26c3d442504fce3d00a1e773

    SHA512

    c6f738e5a1445ef0747f72ce92e7bb4fada5a4005787d5cd065039930688d41f3649d10aef4df330320101163fe3a52617072b0e8e051ffe58aaccb865d03c2d

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\C0V0EMK8KMLVC2UU3YUC.temp

    Filesize

    7KB

    MD5

    a4b9a14fbe61232be68e811ddcc0bc6e

    SHA1

    fb41e9b53f38906fc15374209a5c1bcb663bf133

    SHA256

    3edc0588c232cff7cf2baed172315ef1a8bf7c3c2d41d7b43f30cdbad17c7007

    SHA512

    ca6db4213fd18d4a46650ab5205396bf48d0bf3e31fca160c66d4f97dcc6e18f303c05961b8be9196832d17d790ec01f6809cf44aa20792e94945f74cdaa750a

  • memory/2420-29-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2420-23-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2420-22-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2420-25-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2420-27-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2420-28-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2420-30-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2420-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/3064-6-0x0000000005280000-0x00000000052E8000-memory.dmp

    Filesize

    416KB

  • memory/3064-1-0x0000000000CD0000-0x0000000000D6A000-memory.dmp

    Filesize

    616KB

  • memory/3064-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

    Filesize

    4KB

  • memory/3064-2-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB

  • memory/3064-3-0x00000000003E0000-0x0000000000400000-memory.dmp

    Filesize

    128KB

  • memory/3064-5-0x00000000006B0000-0x00000000006C6000-memory.dmp

    Filesize

    88KB

  • memory/3064-4-0x0000000000410000-0x0000000000420000-memory.dmp

    Filesize

    64KB

  • memory/3064-31-0x0000000074BD0000-0x00000000752BE000-memory.dmp

    Filesize

    6.9MB