Analysis

  • max time kernel
    135s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-07-2024 01:30

General

  • Target

    6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe

  • Size

    825KB

  • MD5

    a7530e8548b1c43ec37d872bedec07f5

  • SHA1

    985df304b2180a496395a7433839ac3994cb3fbf

  • SHA256

    6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501

  • SHA512

    8f762569386ab220181c7d970d3d2b85abab7e5a99325cd5df2e041dea92bbfbf7acc228f735d862dc2f16ea4c585bded70473efef7084bfc99cfc8d4aea2ba1

  • SSDEEP

    12288:7ewO+TW+8LeXbSIrEPrWgV9dxNV31xAm0UuuA+hJdF44gPqbK8TNMxWhYhRT44z6:2Le+9V9dxNh1xANuA+nTKVxWYRT4W

Malware Config

Extracted

Family

snakekeylogger

Credentials
C2

http://103.130.147.85

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 3 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\6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe
    "C:\Users\Admin\AppData\Local\Temp\6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2340
    • C:\Users\Admin\AppData\Local\Temp\6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe
      C:\Users\Admin\AppData\Local\Temp\6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1840

Network

MITRE ATT&CK Matrix ATT&CK v13

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\6ef1b5587295ea40447d1e9b4a3530779d568a1bf684241c33790cb8b1e95501.exe.log
    Filesize

    1KB

    MD5

    00e11b196d5ba77191cba469e8925764

    SHA1

    f1546b803f20c8b4010f862843edc0b0771a681b

    SHA256

    abfc56372bee93b3c083a66ac449e55f824c5ef64cbb87d656011cc0ff1ec6c1

    SHA512

    985bd5a4d4f516701e54a4c361dd3a454cb107694cd240336e32365822f49b47f0a2e0cc04ae7866bfd4d142175540bb329f02f3e1b990e9a09c63c2e258f0a7

  • memory/1840-7-0x0000000140000000-0x0000000140024000-memory.dmp
    Filesize

    144KB

  • memory/1840-15-0x00007FFBA5990000-0x00007FFBA6451000-memory.dmp
    Filesize

    10.8MB

  • memory/1840-14-0x000000001EC10000-0x000000001EDD2000-memory.dmp
    Filesize

    1.8MB

  • memory/1840-13-0x000000001E9F0000-0x000000001EA40000-memory.dmp
    Filesize

    320KB

  • memory/1840-12-0x00007FFBA5990000-0x00007FFBA6451000-memory.dmp
    Filesize

    10.8MB

  • memory/1840-10-0x00007FFBA5990000-0x00007FFBA6451000-memory.dmp
    Filesize

    10.8MB

  • memory/2340-3-0x00007FFBA5990000-0x00007FFBA6451000-memory.dmp
    Filesize

    10.8MB

  • memory/2340-6-0x000000001C920000-0x000000001C986000-memory.dmp
    Filesize

    408KB

  • memory/2340-5-0x0000000000E10000-0x0000000000E24000-memory.dmp
    Filesize

    80KB

  • memory/2340-11-0x00007FFBA5990000-0x00007FFBA6451000-memory.dmp
    Filesize

    10.8MB

  • memory/2340-4-0x000000001C0F0000-0x000000001C106000-memory.dmp
    Filesize

    88KB

  • memory/2340-0-0x00007FFBA5993000-0x00007FFBA5995000-memory.dmp
    Filesize

    8KB

  • memory/2340-2-0x0000000003100000-0x0000000003124000-memory.dmp
    Filesize

    144KB

  • memory/2340-1-0x00000000002E0000-0x00000000003B4000-memory.dmp
    Filesize

    848KB