Analysis

  • max time kernel
    117s
  • max time network
    118s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    25-12-2023 04:22

General

  • Target

    SO06598270-PI#JARA03-pdf.exe

  • Size

    998KB

  • MD5

    2d472944cce2a1a6664c29336004f22c

  • SHA1

    2d88407509c184f6ea85f81910f4c81dc118499b

  • SHA256

    5abec5e92048d2cf64785ed4a873acc4fd88be7d361e47b5508753bd43eeafb2

  • SHA512

    b4d24ccd5a345fbcd845b7cb4176bb23e5bc42a8e1e4302ba7d2a4c67864ff7e266351e3910ba32eb4799159e3c35d7465cb4fa6fe4324255b82bed377f21cf1

  • SSDEEP

    24576:JoFGjUhRm/dFgaK64E3MyOvAcamEe/aNF0ZoR:CFk69aK6443OYO0Noc

Malware Config

Extracted

Family

snakekeylogger

Credentials

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 5 IoCs
  • CustAttr .NET packer 1 IoCs

    Detects CustAttr .NET packer in memory.

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SO06598270-PI#JARA03-pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\SO06598270-PI#JARA03-pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1924
    • C:\Users\Admin\AppData\Local\Temp\SO06598270-PI#JARA03-pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\SO06598270-PI#JARA03-pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2796
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2796 -s 1476
        3⤵
        • Program crash
        PID:2816

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1924-19-0x0000000074270000-0x000000007495E000-memory.dmp

    Filesize

    6.9MB

  • memory/1924-4-0x0000000074270000-0x000000007495E000-memory.dmp

    Filesize

    6.9MB

  • memory/1924-0-0x00000000000E0000-0x00000000001E0000-memory.dmp

    Filesize

    1024KB

  • memory/1924-7-0x0000000001EC0000-0x0000000001EE6000-memory.dmp

    Filesize

    152KB

  • memory/1924-3-0x00000000005E0000-0x00000000005F2000-memory.dmp

    Filesize

    72KB

  • memory/1924-5-0x0000000004D60000-0x0000000004DA0000-memory.dmp

    Filesize

    256KB

  • memory/1924-6-0x0000000002110000-0x0000000002178000-memory.dmp

    Filesize

    416KB

  • memory/1924-1-0x0000000074270000-0x000000007495E000-memory.dmp

    Filesize

    6.9MB

  • memory/1924-2-0x0000000004D60000-0x0000000004DA0000-memory.dmp

    Filesize

    256KB

  • memory/2796-20-0x0000000074270000-0x000000007495E000-memory.dmp

    Filesize

    6.9MB

  • memory/2796-21-0x0000000004B60000-0x0000000004BA0000-memory.dmp

    Filesize

    256KB

  • memory/2796-8-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2796-18-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2796-14-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2796-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2796-11-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2796-10-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2796-9-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2796-16-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2796-22-0x0000000074270000-0x000000007495E000-memory.dmp

    Filesize

    6.9MB

  • memory/2796-23-0x0000000004B60000-0x0000000004BA0000-memory.dmp

    Filesize

    256KB