Analysis

  • max time kernel
    140s
  • max time network
    160s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    02-12-2022 00:35

General

  • Target

    8d38003a1a35790a116f039a0998f4bb.exe

  • Size

    842KB

  • MD5

    8d38003a1a35790a116f039a0998f4bb

  • SHA1

    094eff2ab11ae19699d7dc5c22bab0429beb50bb

  • SHA256

    b8216cdc194ab1f82820fc2a29ca63af3a1f3e6b80102ab658c1ee33b7dd68da

  • SHA512

    e11cd051e9c91e58ba0f9d3ae8c498d8aa4993e5d27f97aac78e7a7529e370cfff4fa6a05cdb3084100144702a064bcbc03bc55793ebe2d432ea0ba7815cd07d

  • SSDEEP

    12288:7OeRWLigAwR4cLGtwpmD3U25D6uMlpwnm/g8AdLn8DE2dgCOWDC2xVmsrKa:1sAhcLGOpi6pwnmgdLn8D1O72qmKa

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot5484820495:AAGEjy8dT72vJZImmHLmeh3onMuG9LLRD5A/sendMessage?chat_id=5101327412

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 6 IoCs
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8d38003a1a35790a116f039a0998f4bb.exe
    "C:\Users\Admin\AppData\Local\Temp\8d38003a1a35790a116f039a0998f4bb.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1376
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LaepmcbNglF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp601B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1620
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:632

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp601B.tmp

    Filesize

    1KB

    MD5

    2aba10c6e5d8c997b5f2f2adb11713bb

    SHA1

    6c311a84b25a5ddeb623ef95c46fc3db5dcba2c9

    SHA256

    54d6ccc1f9e05c440c47eaf33b58ddb467189f8d419825512a4fda66d290906d

    SHA512

    c6348245affe3b6d20e2c0fc053c15d69cdd157903bfc04bd6dd9cf2637b1a9afbd1156cd3a9b86a628ebfab7c5466d76e4833be9b4623d41775cbc83c4079ef

  • memory/632-68-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/632-67-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/632-73-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/632-71-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/632-69-0x000000000042022E-mapping.dmp

  • memory/632-62-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/632-65-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/632-63-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1376-55-0x0000000075B61000-0x0000000075B63000-memory.dmp

    Filesize

    8KB

  • memory/1376-56-0x00000000049B0000-0x0000000004A64000-memory.dmp

    Filesize

    720KB

  • memory/1376-54-0x00000000000C0000-0x0000000000198000-memory.dmp

    Filesize

    864KB

  • memory/1376-59-0x0000000002190000-0x00000000021B6000-memory.dmp

    Filesize

    152KB

  • memory/1376-58-0x0000000005B90000-0x0000000005BFE000-memory.dmp

    Filesize

    440KB

  • memory/1376-57-0x0000000000300000-0x0000000000312000-memory.dmp

    Filesize

    72KB

  • memory/1620-60-0x0000000000000000-mapping.dmp