Analysis

  • max time kernel
    140s
  • max time network
    115s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-06-2024 06:15

General

  • Target

    tmpzm9m5tod.exe

  • Size

    557KB

  • MD5

    af9d6f2a166aaabc3b5614ad30fe6777

  • SHA1

    9198d11bc2924fa3a5a1df232fff8f36d1dd5d62

  • SHA256

    a6740e91697a194c69526e700ed66eeff7f976364511eaaca4adeb62b7b387ec

  • SHA512

    6b1ec03a0dc3300a455b897b17783d098f452946280e24f9da0755417f4b07db1079c3d953b8c289334fa2f35cbff8bfc13136f4b0cc62cc334ce11aa9826582

  • SSDEEP

    12288:kajzn2qD+5+Sp1FEXPI18GQ/TSVA7T7qoX3Tmq:njznla+SFEA8tLSzGTm

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    valleycountysar.org
  • Port:
    26
  • Username:
    [email protected]
  • Password:
    fY,FLoadtsiF

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\tmpzm9m5tod.exe
    "C:\Users\Admin\AppData\Local\Temp\tmpzm9m5tod.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3748
    • C:\Users\Admin\AppData\Local\Temp\tmpzm9m5tod.exe
      "C:\Users\Admin\AppData\Local\Temp\tmpzm9m5tod.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2744

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

  • memory/2744-9-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/2744-16-0x0000000075010000-0x00000000757C0000-memory.dmp
    Filesize

    7.7MB

  • memory/2744-15-0x0000000006890000-0x0000000006A52000-memory.dmp
    Filesize

    1.8MB

  • memory/2744-14-0x0000000006670000-0x00000000066C0000-memory.dmp
    Filesize

    320KB

  • memory/2744-11-0x0000000075010000-0x00000000757C0000-memory.dmp
    Filesize

    7.7MB

  • memory/2744-10-0x0000000075010000-0x00000000757C0000-memory.dmp
    Filesize

    7.7MB

  • memory/3748-8-0x0000000005120000-0x0000000005128000-memory.dmp
    Filesize

    32KB

  • memory/3748-7-0x00000000051D0000-0x000000000526C000-memory.dmp
    Filesize

    624KB

  • memory/3748-0-0x000000007501E000-0x000000007501F000-memory.dmp
    Filesize

    4KB

  • memory/3748-6-0x0000000004FA0000-0x0000000004FF4000-memory.dmp
    Filesize

    336KB

  • memory/3748-5-0x0000000004F90000-0x0000000004F9A000-memory.dmp
    Filesize

    40KB

  • memory/3748-4-0x0000000075010000-0x00000000757C0000-memory.dmp
    Filesize

    7.7MB

  • memory/3748-13-0x0000000075010000-0x00000000757C0000-memory.dmp
    Filesize

    7.7MB

  • memory/3748-3-0x0000000004E70000-0x0000000004F02000-memory.dmp
    Filesize

    584KB

  • memory/3748-2-0x0000000005340000-0x00000000058E4000-memory.dmp
    Filesize

    5.6MB

  • memory/3748-1-0x00000000003E0000-0x0000000000472000-memory.dmp
    Filesize

    584KB