Analysis

  • max time kernel
    138s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-10-2023 12:19

General

  • Target

    SecuriteInfo.com.Win32.PWSX-gen.31800.1336.exe

  • Size

    562KB

  • MD5

    a6e27476fcf3b370cb3a39eed9711232

  • SHA1

    6d7248bb673f781a5d93982613c25555f39d7500

  • SHA256

    37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb

  • SHA512

    9a5306dcbeedf1a06aa97bf4d33a061c0af0169b28cfba14f024cc22ce358624631652cf5d8fa8a76f41ff064d1983a5b795ffc53efaf816c1a12faab01eaade

  • SSDEEP

    12288:9u1h+Uw1MMMDMMMACUE1o0WA8jyFVIUfTBOT7d73m:IgMMMDMMMAChWyFZfTgd73m

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6493157304:AAGHAAmVG_ud-GzRlE5SfjpNm92V1vbaysI/sendMessage?chat_id=6518133154

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 IoCs
  • 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 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31800.1336.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31800.1336.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2548
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WYOKdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB26.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3740
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.PWSX-gen.31800.1336.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2824

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Win32.PWSX-gen.31800.1336.exe.log

    Filesize

    1KB

    MD5

    bb3d30439ec1e6435c3eac4df8c1d2e3

    SHA1

    c901d5946e53ae0a9e2417c8dfaf5786a0037422

    SHA256

    182adf89e57f80a92db9a5e13105cd59544f37855ca35f98116a0182ddd3b2e6

    SHA512

    d3547aadf665ce2552b3dfa350b80a5e813aa346870fb2b05a3b998096eebf563143bffe964e0f7243761b79420d1adf02f735779902901d1a41a1f35c557572

  • C:\Users\Admin\AppData\Local\Temp\tmpB26.tmp

    Filesize

    1KB

    MD5

    0a34d9093594e1e5478c7f310f02eb7a

    SHA1

    dfdd9edd9296cc54c6bcbfecb09d6a00de4fe3a6

    SHA256

    5b69b94ca679caa0172a164a1edecd8da66281d60c635584e93137f2c072cd3c

    SHA512

    c73ab493fed78aa1e9de06c7ffcf5e40e101bf5976cec1667beae407f27a4db5c6659cb2dc03c9f57bd2913bc31ea0ad621dba0afedcdb7e6595b6769d91b5fa

  • memory/2548-6-0x0000000004B90000-0x0000000004B9A000-memory.dmp

    Filesize

    40KB

  • memory/2548-1-0x0000000000130000-0x00000000001C2000-memory.dmp

    Filesize

    584KB

  • memory/2548-4-0x0000000005200000-0x00000000057A4000-memory.dmp

    Filesize

    5.6MB

  • memory/2548-5-0x0000000004CF0000-0x0000000004D82000-memory.dmp

    Filesize

    584KB

  • memory/2548-0-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2548-7-0x0000000004E80000-0x0000000004ED6000-memory.dmp

    Filesize

    344KB

  • memory/2548-8-0x00000000057B0000-0x0000000005B04000-memory.dmp

    Filesize

    3.3MB

  • memory/2548-9-0x000000007F600000-0x000000007F610000-memory.dmp

    Filesize

    64KB

  • memory/2548-10-0x0000000007DC0000-0x0000000007DCC000-memory.dmp

    Filesize

    48KB

  • memory/2548-11-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2548-12-0x0000000004B60000-0x0000000004B70000-memory.dmp

    Filesize

    64KB

  • memory/2548-13-0x000000007F600000-0x000000007F610000-memory.dmp

    Filesize

    64KB

  • memory/2548-2-0x0000000004BB0000-0x0000000004C4C000-memory.dmp

    Filesize

    624KB

  • memory/2548-15-0x0000000006350000-0x0000000006376000-memory.dmp

    Filesize

    152KB

  • memory/2548-14-0x0000000006480000-0x00000000064F6000-memory.dmp

    Filesize

    472KB

  • memory/2548-23-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2548-3-0x0000000004B60000-0x0000000004B70000-memory.dmp

    Filesize

    64KB

  • memory/2824-19-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2824-22-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2824-24-0x0000000005540000-0x0000000005550000-memory.dmp

    Filesize

    64KB

  • memory/2824-25-0x0000000006330000-0x0000000006380000-memory.dmp

    Filesize

    320KB

  • memory/2824-26-0x0000000006550000-0x0000000006712000-memory.dmp

    Filesize

    1.8MB

  • memory/2824-27-0x0000000074F20000-0x00000000756D0000-memory.dmp

    Filesize

    7.7MB

  • memory/2824-28-0x0000000005540000-0x0000000005550000-memory.dmp

    Filesize

    64KB