Analysis

  • max time kernel
    151s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-10-2023 21:23

General

  • Target

    d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370_JC.exe

  • Size

    489KB

  • MD5

    b4021c454e2c87647872ba4851700174

  • SHA1

    8c8f281ce90af9a24dd230ad47c1e52b57f9f87e

  • SHA256

    d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370

  • SHA512

    88ed1cf4011e4a072c938635569be22ad836ff30b9bea2d043edb377a745dabebf5f0b589207c017b590c8fee9cd6a82652517dccd37a96c2ec9b00c5baafefe

  • SSDEEP

    12288:O725kL+UonN7GqXkxpgPgI5ZzVqpiUxDdfyQOnXJ:tA+UoNr0HgTbxixDdfy

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1tcl.com
  • Port:
    25
  • Username:
    [email protected]
  • Password:
    RRa*ysS8

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 1 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
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:484
    • C:\Users\Admin\AppData\Local\Temp\d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4060

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\d0659f8d337232622688d25aca3c38e2e8766cba24836f4c9f76774a1a5ba370_JC.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/484-10-0x0000000000FD0000-0x000000000102E000-memory.dmp

    Filesize

    376KB

  • memory/484-16-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/484-9-0x0000000000B00000-0x0000000000B0C000-memory.dmp

    Filesize

    48KB

  • memory/484-4-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/484-5-0x0000000005380000-0x0000000005390000-memory.dmp

    Filesize

    64KB

  • memory/484-6-0x0000000005110000-0x000000000511A000-memory.dmp

    Filesize

    40KB

  • memory/484-7-0x0000000005520000-0x0000000005530000-memory.dmp

    Filesize

    64KB

  • memory/484-8-0x0000000005380000-0x0000000005390000-memory.dmp

    Filesize

    64KB

  • memory/484-3-0x0000000005150000-0x00000000051E2000-memory.dmp

    Filesize

    584KB

  • memory/484-2-0x0000000005660000-0x0000000005C04000-memory.dmp

    Filesize

    5.6MB

  • memory/484-0-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/484-11-0x0000000006780000-0x000000000681C000-memory.dmp

    Filesize

    624KB

  • memory/484-1-0x00000000006A0000-0x000000000071E000-memory.dmp

    Filesize

    504KB

  • memory/4060-20-0x0000000006430000-0x00000000065F2000-memory.dmp

    Filesize

    1.8MB

  • memory/4060-15-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/4060-17-0x0000000005430000-0x0000000005440000-memory.dmp

    Filesize

    64KB

  • memory/4060-18-0x0000000074A80000-0x0000000075230000-memory.dmp

    Filesize

    7.7MB

  • memory/4060-19-0x0000000006210000-0x0000000006260000-memory.dmp

    Filesize

    320KB

  • memory/4060-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB