Analysis

  • max time kernel
    120s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    11-10-2023 08:36

General

  • Target

    37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.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 6 IoCs
  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WYOKdo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp25C9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2540
    • C:\Users\Admin\AppData\Local\Temp\37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
      "{path}"
      2⤵
        PID:2544
      • C:\Users\Admin\AppData\Local\Temp\37126cf9380ef51cfd3edd6718f68995776eb13df819ebae3d1ac974148ec3cb_JC.exe
        "{path}"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:812

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\tmp25C9.tmp

      Filesize

      1KB

      MD5

      384f02c800064eeeed74332954fbcd34

      SHA1

      009304b098d6dc63001b01dafeca960ad63e6ccf

      SHA256

      6908746dcd059ec87f6cbd67e00dd7f7e03bc08ae4658193b71253a29af9f415

      SHA512

      ef706abd0cdf81e994b522d33c91dc9ec1e981a9f4decebd7c39c4329cfda876adbe0b13825c46ba58156c26b370b6061292f56b97ac9a55b7ffde9d595fc8fa

    • memory/812-21-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/812-25-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/812-15-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/812-30-0x0000000004A40000-0x0000000004A80000-memory.dmp

      Filesize

      256KB

    • memory/812-16-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/812-29-0x00000000740F0000-0x00000000747DE000-memory.dmp

      Filesize

      6.9MB

    • memory/812-28-0x0000000004A40000-0x0000000004A80000-memory.dmp

      Filesize

      256KB

    • memory/812-17-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/812-26-0x00000000740F0000-0x00000000747DE000-memory.dmp

      Filesize

      6.9MB

    • memory/812-23-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/812-18-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/812-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3056-1-0x0000000000FA0000-0x0000000001032000-memory.dmp

      Filesize

      584KB

    • memory/3056-5-0x0000000004E00000-0x0000000004E40000-memory.dmp

      Filesize

      256KB

    • memory/3056-8-0x000000007EF40000-0x000000007EF50000-memory.dmp

      Filesize

      64KB

    • memory/3056-0-0x00000000740F0000-0x00000000747DE000-memory.dmp

      Filesize

      6.9MB

    • memory/3056-11-0x00000000047F0000-0x0000000004816000-memory.dmp

      Filesize

      152KB

    • memory/3056-3-0x000000007EF40000-0x000000007EF50000-memory.dmp

      Filesize

      64KB

    • memory/3056-10-0x0000000005E70000-0x0000000005EE6000-memory.dmp

      Filesize

      472KB

    • memory/3056-9-0x0000000004E00000-0x0000000004E40000-memory.dmp

      Filesize

      256KB

    • memory/3056-27-0x00000000740F0000-0x00000000747DE000-memory.dmp

      Filesize

      6.9MB

    • memory/3056-2-0x0000000004E00000-0x0000000004E40000-memory.dmp

      Filesize

      256KB

    • memory/3056-7-0x0000000004E00000-0x0000000004E40000-memory.dmp

      Filesize

      256KB

    • memory/3056-6-0x00000000740F0000-0x00000000747DE000-memory.dmp

      Filesize

      6.9MB

    • memory/3056-4-0x0000000000B50000-0x0000000000B5C000-memory.dmp

      Filesize

      48KB