Analysis

  • max time kernel
    131s
  • max time network
    89s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    31-05-2021 08:46

General

  • Target

    PO#31052021104221.exe

  • Size

    791KB

  • MD5

    02549a3475f0a396c95b093547be8448

  • SHA1

    b786b4cf23754d88519ba070f6d255715374d00c

  • SHA256

    8c931f6459c6683ac41b0d1bf1600800404407cbd892bfe495cfaea1945feee9

  • SHA512

    b7b9afb61f1bfda1e140a4c8ea9a2f36cc5f0272f40ddb6743578903b25aee2cee0002443a61a321dfe41b0d8b054ea120e93f70269ecea34a110db8bf5dd02a

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    msonsgroup.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    speak2424@

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger Payload 3 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.

  • 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
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PO#31052021104221.exe
    "C:\Users\Admin\AppData\Local\Temp\PO#31052021104221.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Users\Admin\AppData\Local\Temp\PO#31052021104221.exe
      "C:\Users\Admin\AppData\Local\Temp\PO#31052021104221.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:560
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 560 -s 1080
        3⤵
        • Program crash
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        PID:1336

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/560-66-0x000000000046453E-mapping.dmp

  • memory/560-65-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/560-67-0x0000000000400000-0x000000000046A000-memory.dmp

    Filesize

    424KB

  • memory/560-69-0x0000000004BA0000-0x0000000004BA1000-memory.dmp

    Filesize

    4KB

  • memory/1028-60-0x0000000001220000-0x0000000001221000-memory.dmp

    Filesize

    4KB

  • memory/1028-62-0x0000000000A70000-0x0000000000AC4000-memory.dmp

    Filesize

    336KB

  • memory/1028-63-0x0000000000570000-0x0000000000571000-memory.dmp

    Filesize

    4KB

  • memory/1028-64-0x00000000005B0000-0x00000000005BF000-memory.dmp

    Filesize

    60KB

  • memory/1336-70-0x0000000000000000-mapping.dmp

  • memory/1336-71-0x00000000002A0000-0x00000000002A1000-memory.dmp

    Filesize

    4KB