Analysis

  • max time kernel
    86s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-02-2023 14:31

General

  • Target

    Zasneipp.exe

  • Size

    7KB

  • MD5

    c035e1bc5f37c474441db456d903eea0

  • SHA1

    bc6992a6e31b6d67b6732c142ec47bebde49fee1

  • SHA256

    84e348e49442b996738cb0d3d4fcd275e3db781fe805045e139736d9eeeca695

  • SHA512

    845f22b8b4f6a75d96f63e5546c7f719de57d54b4f15a9789f4156e1156fb6fbe54d61aded8da54a1ef0e8e2d9e55192f18ee032d43d1f2c6c5fd675a3150373

  • SSDEEP

    96:iUBTdcgDszgY1KsXrXhRQYYB3Tt4BtEkdexegbFnU:iUBhUdRQYYFGzAkZ

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5824924248:AAF4WKjJ8FxpNsC2HwCM114EP_g8rFkC4wQ/sendMessage?chat_id=2054148913

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 4 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\Zasneipp.exe
    "C:\Users\Admin\AppData\Local\Temp\Zasneipp.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4712
    • 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:1816
    • 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:2616

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1816-140-0x0000000007A50000-0x00000000080CA000-memory.dmp
    Filesize

    6.5MB

  • memory/1816-136-0x0000000005420000-0x0000000005A48000-memory.dmp
    Filesize

    6.2MB

  • memory/1816-139-0x0000000006210000-0x000000000622E000-memory.dmp
    Filesize

    120KB

  • memory/1816-135-0x0000000004C50000-0x0000000004C86000-memory.dmp
    Filesize

    216KB

  • memory/1816-141-0x0000000006700000-0x000000000671A000-memory.dmp
    Filesize

    104KB

  • memory/1816-137-0x0000000005B20000-0x0000000005B86000-memory.dmp
    Filesize

    408KB

  • memory/1816-138-0x0000000005D30000-0x0000000005D96000-memory.dmp
    Filesize

    408KB

  • memory/1816-134-0x0000000000000000-mapping.dmp
  • memory/2616-142-0x0000000000000000-mapping.dmp
  • memory/2616-143-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2616-144-0x0000000005CA0000-0x0000000006244000-memory.dmp
    Filesize

    5.6MB

  • memory/2616-145-0x0000000005790000-0x000000000582C000-memory.dmp
    Filesize

    624KB

  • memory/2616-146-0x0000000006960000-0x0000000006B22000-memory.dmp
    Filesize

    1.8MB

  • memory/2616-147-0x0000000006840000-0x00000000068D2000-memory.dmp
    Filesize

    584KB

  • memory/2616-148-0x0000000006820000-0x000000000682A000-memory.dmp
    Filesize

    40KB

  • memory/4712-133-0x0000000007100000-0x0000000007122000-memory.dmp
    Filesize

    136KB

  • memory/4712-132-0x0000000000F10000-0x0000000000F18000-memory.dmp
    Filesize

    32KB