Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-10-2023 18:50

General

  • Target

    NEAS.6c497d0004db81c3992fb2ceb661c33191f56c36f062ca52eca4b9a3926a08b4exe_JC.exe

  • Size

    521KB

  • MD5

    8ff68132e45fd815ceda6d4d45c940d2

  • SHA1

    b1a351b306665b78d2efa15c15d30d195393c25d

  • SHA256

    6c497d0004db81c3992fb2ceb661c33191f56c36f062ca52eca4b9a3926a08b4

  • SHA512

    2ace92218bb86ab7b19d9db148661a5c5242c0050a5c6be5bcc5b1765adbcc68d751cc4659c61d301b63bffd84ef8b84631b34b8999882ced13deb0c9009a9df

  • SSDEEP

    12288:T/50fZ+0h21wF7d6JhvA9HmvsqqH4cZAq4:zOfswF7SW5EtqYcZj

Malware Config

Extracted

Family

snakekeylogger

Credentials

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\NEAS.6c497d0004db81c3992fb2ceb661c33191f56c36f062ca52eca4b9a3926a08b4exe_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.6c497d0004db81c3992fb2ceb661c33191f56c36f062ca52eca4b9a3926a08b4exe_JC.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4480
    • C:\Users\Admin\AppData\Local\Temp\NEAS.6c497d0004db81c3992fb2ceb661c33191f56c36f062ca52eca4b9a3926a08b4exe_JC.exe
      "C:\Users\Admin\AppData\Local\Temp\NEAS.6c497d0004db81c3992fb2ceb661c33191f56c36f062ca52eca4b9a3926a08b4exe_JC.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3352

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\NEAS.6c497d0004db81c3992fb2ceb661c33191f56c36f062ca52eca4b9a3926a08b4exe_JC.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/3352-13-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/3352-20-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/3352-19-0x0000000006410000-0x00000000065D2000-memory.dmp

    Filesize

    1.8MB

  • memory/3352-18-0x00000000061F0000-0x0000000006240000-memory.dmp

    Filesize

    320KB

  • memory/3352-16-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-10-0x0000000006780000-0x0000000006786000-memory.dmp

    Filesize

    24KB

  • memory/4480-6-0x0000000005750000-0x00000000057EC000-memory.dmp

    Filesize

    624KB

  • memory/4480-8-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-9-0x0000000005440000-0x0000000005450000-memory.dmp

    Filesize

    64KB

  • memory/4480-0-0x0000000000A50000-0x0000000000AD8000-memory.dmp

    Filesize

    544KB

  • memory/4480-11-0x0000000006790000-0x000000000679A000-memory.dmp

    Filesize

    40KB

  • memory/4480-12-0x00000000069A0000-0x0000000006A00000-memory.dmp

    Filesize

    384KB

  • memory/4480-7-0x0000000005920000-0x0000000005930000-memory.dmp

    Filesize

    64KB

  • memory/4480-5-0x00000000054E0000-0x00000000054EA000-memory.dmp

    Filesize

    40KB

  • memory/4480-17-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB

  • memory/4480-4-0x0000000005440000-0x0000000005450000-memory.dmp

    Filesize

    64KB

  • memory/4480-3-0x0000000005520000-0x00000000055B2000-memory.dmp

    Filesize

    584KB

  • memory/4480-2-0x0000000005AD0000-0x0000000006074000-memory.dmp

    Filesize

    5.6MB

  • memory/4480-1-0x0000000074E20000-0x00000000755D0000-memory.dmp

    Filesize

    7.7MB