Analysis

  • max time kernel
    140s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29-09-2023 15:01

General

  • Target

    a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe

  • Size

    277KB

  • MD5

    5ad41d4b9560b04a12928a393661189c

  • SHA1

    b703d404755d4400072548ad29560c860939e1e0

  • SHA256

    a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5

  • SHA512

    890c002ac837629f08bb0ac139e6a3634482a1aa32ab28b5fb63189906245969050a86cd2a292b1aa7d98a7440dd3dc8d4ae3d85c05e89b63c9516f722beb4a8

  • SSDEEP

    6144:4X5dp+sevRT2mDGn10/Ao5OJBnaznfgWrzLcSInGYDmRWD:E5P+sCDG8Ao5OJgTgWrzFIrmRW

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6307848603:AAHuPYbVu9-pOqbv-rh59-MPBtLsLADgIWE/sendMessage?chat_id=6270867455

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 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
  • Adds Run key to start application 2 TTPs 1 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 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:568
    • C:\Users\Admin\AppData\Local\Temp\a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
      C:\Users\Admin\AppData\Local\Temp\a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2752

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\a2e5356ff3d8617b129a23d76d85c2db3f6d803dccc160bdb95200db441229c5_JC.exe.log

    Filesize

    1KB

    MD5

    9f5d0107d96d176b1ffcd5c7e7a42dc9

    SHA1

    de83788e2f18629555c42a3e6fada12f70457141

    SHA256

    d0630b8466cebaaf92533826f6547b6f36a3c480848dc38d650acd52b522a097

    SHA512

    86cfaa3327b59a976ddd4a5915f3fe8c938481344fcbd10e7533b4c5003673d078756e62435940471658a03504c3bc30603204d6a133727a3f36c96d08714c61

  • memory/568-13-0x00007FFC3A970000-0x00007FFC3B431000-memory.dmp

    Filesize

    10.8MB

  • memory/568-1-0x00000197B4930000-0x00000197B4978000-memory.dmp

    Filesize

    288KB

  • memory/568-2-0x00000197B62C0000-0x00000197B62F6000-memory.dmp

    Filesize

    216KB

  • memory/568-3-0x00007FFC3A970000-0x00007FFC3B431000-memory.dmp

    Filesize

    10.8MB

  • memory/568-4-0x00000197CEAE0000-0x00000197CEAF0000-memory.dmp

    Filesize

    64KB

  • memory/568-5-0x00000197CE9F0000-0x00000197CEA3C000-memory.dmp

    Filesize

    304KB

  • memory/568-6-0x00007FFC3A970000-0x00007FFC3B431000-memory.dmp

    Filesize

    10.8MB

  • memory/568-7-0x00000197CEAE0000-0x00000197CEAF0000-memory.dmp

    Filesize

    64KB

  • memory/568-0-0x00000197B44D0000-0x00000197B451C000-memory.dmp

    Filesize

    304KB

  • memory/2752-9-0x0000000140000000-0x0000000140022000-memory.dmp

    Filesize

    136KB

  • memory/2752-12-0x00007FFC3A970000-0x00007FFC3B431000-memory.dmp

    Filesize

    10.8MB

  • memory/2752-14-0x000001933F3A0000-0x000001933F3B0000-memory.dmp

    Filesize

    64KB

  • memory/2752-15-0x000001933F4B0000-0x000001933F500000-memory.dmp

    Filesize

    320KB

  • memory/2752-16-0x000001933F6D0000-0x000001933F892000-memory.dmp

    Filesize

    1.8MB

  • memory/2752-17-0x00007FFC3A970000-0x00007FFC3B431000-memory.dmp

    Filesize

    10.8MB

  • memory/2752-18-0x000001933F3A0000-0x000001933F3B0000-memory.dmp

    Filesize

    64KB