Analysis

  • max time kernel
    135s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2023 16:50

General

  • Target

    fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe

  • Size

    682KB

  • MD5

    2ba38d110d7f63bef0ec0dc14bd71f9a

  • SHA1

    32b24d9e7227516f58ee1928872af6f6a3dd98b4

  • SHA256

    fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6

  • SHA512

    9afd44f8de1ff974f915b4968270adb3be7a770179113b694247a48b6ac2c31b8a374fa06e95a5182253b4e7c5e14ef32fec9a0906b09980e5bbddd0d19eff0a

  • SSDEEP

    12288:J80WWObWINS+bX4QJNmzgSi7e/HxqQSRsrY0yTT2Vqsy3kxi4bTlmS:V4bNSaIoNOgSiqoQSRsrvyTaG3YTlm

Malware Config

Extracted

Family

snakekeylogger

C2

https://api.telegram.org/bot6672846419:AAFSAihbjn4BiXgm0YY8G7ozGP9JeR3fpi4/sendMessage?chat_id=6469857895

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\fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1700
    • C:\Users\Admin\AppData\Local\Temp\fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3000

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\fc4b30802da59aafff89ecc9cac8981c35109b22cbdff3049bc1df46ca1543d6_JC.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1700-10-0x0000000006490000-0x00000000064F0000-memory.dmp

    Filesize

    384KB

  • memory/1700-16-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/1700-9-0x00000000054B0000-0x00000000054BC000-memory.dmp

    Filesize

    48KB

  • memory/1700-4-0x0000000005770000-0x0000000005780000-memory.dmp

    Filesize

    64KB

  • memory/1700-5-0x0000000005490000-0x000000000549A000-memory.dmp

    Filesize

    40KB

  • memory/1700-6-0x0000000005480000-0x0000000005494000-memory.dmp

    Filesize

    80KB

  • memory/1700-7-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/1700-8-0x0000000005770000-0x0000000005780000-memory.dmp

    Filesize

    64KB

  • memory/1700-3-0x00000000054D0000-0x0000000005562000-memory.dmp

    Filesize

    584KB

  • memory/1700-2-0x0000000005BD0000-0x0000000006174000-memory.dmp

    Filesize

    5.6MB

  • memory/1700-0-0x0000000000A00000-0x0000000000AB0000-memory.dmp

    Filesize

    704KB

  • memory/1700-11-0x0000000008A40000-0x0000000008ADC000-memory.dmp

    Filesize

    624KB

  • memory/1700-1-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3000-20-0x0000000006890000-0x0000000006A52000-memory.dmp

    Filesize

    1.8MB

  • memory/3000-15-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3000-17-0x00000000055F0000-0x0000000005600000-memory.dmp

    Filesize

    64KB

  • memory/3000-18-0x0000000074400000-0x0000000074BB0000-memory.dmp

    Filesize

    7.7MB

  • memory/3000-19-0x0000000006670000-0x00000000066C0000-memory.dmp

    Filesize

    320KB

  • memory/3000-12-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB