Resubmissions

23-02-2024 03:45

240223-ea6qpsaf9t 10

23-02-2024 02:03

240223-cg4htahg5x 10

Analysis

  • max time kernel
    137s
  • max time network
    166s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-02-2024 03:45

General

  • Target

    e7757fdf8b8e6b584cab959c54383e10065ba2aceb5dd653dd0566d4cbce1ec8.exe

  • Size

    696KB

  • MD5

    c4218b58d2302e31d13f88661f66c64b

  • SHA1

    169b29b77b3e30db3a883762159b45856c421590

  • SHA256

    e7757fdf8b8e6b584cab959c54383e10065ba2aceb5dd653dd0566d4cbce1ec8

  • SHA512

    3de50ca942275f9ec40599691e06e6c0011a25199706f3dcab696158daefa6e627ffac4b0b777295d3dfb3fdb1137b274c81ae4cf04828db61c635894a2e4cf0

  • SSDEEP

    12288:/k3jw7WkDA0CjZxYZ56i3ToFKlEsHj1Iiu+vht:M3jw7i0Cjc56YOK9vv

Malware Config

Extracted

Family

snakekeylogger

Credentials

  • Protocol:
    smtp
  • Host:
    valleycountysar.org
  • Port:
    25
  • Username:
    county@valleycountysar.org
  • Password:
    iU0Ta!$K8L51

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 2 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\e7757fdf8b8e6b584cab959c54383e10065ba2aceb5dd653dd0566d4cbce1ec8.exe
    "C:\Users\Admin\AppData\Local\Temp\e7757fdf8b8e6b584cab959c54383e10065ba2aceb5dd653dd0566d4cbce1ec8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2536
    • C:\Users\Admin\AppData\Local\Temp\e7757fdf8b8e6b584cab959c54383e10065ba2aceb5dd653dd0566d4cbce1ec8.exe
      "C:\Users\Admin\AppData\Local\Temp\e7757fdf8b8e6b584cab959c54383e10065ba2aceb5dd653dd0566d4cbce1ec8.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:4544

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_32\UsageLogs\e7757fdf8b8e6b584cab959c54383e10065ba2aceb5dd653dd0566d4cbce1ec8.exe.log
    Filesize

    706B

    MD5

    f8bcaf312de8591707436c1dcebba8e4

    SHA1

    a1269828e5f644601622f4a7a611aec8f2eda0b2

    SHA256

    f0f5a90777c70cdceea22bd66b33c1703a318acc45cb012d0b01585a1ac12b29

    SHA512

    3a714f5950584abbc94a27bbd4623bfc5acb1135c8c9fca4d74e70c8481b71ace7dbc1dfbf101dd07c76a050acfb4852f31dd57fc7ae196382336c5edc9e6413

  • memory/2536-4-0x0000000005E50000-0x00000000063F4000-memory.dmp
    Filesize

    5.6MB

  • memory/2536-5-0x0000000005990000-0x0000000005A22000-memory.dmp
    Filesize

    584KB

  • memory/2536-11-0x00000000749F0000-0x00000000751A0000-memory.dmp
    Filesize

    7.7MB

  • memory/2536-0-0x0000000000E20000-0x0000000000ED4000-memory.dmp
    Filesize

    720KB

  • memory/2536-1-0x00000000749F0000-0x00000000751A0000-memory.dmp
    Filesize

    7.7MB

  • memory/2536-6-0x0000000005AD0000-0x0000000005B6C000-memory.dmp
    Filesize

    624KB

  • memory/2536-7-0x0000000005960000-0x0000000005968000-memory.dmp
    Filesize

    32KB

  • memory/2536-3-0x0000000005840000-0x0000000005894000-memory.dmp
    Filesize

    336KB

  • memory/2536-2-0x0000000005890000-0x00000000058A0000-memory.dmp
    Filesize

    64KB

  • memory/4544-12-0x0000000000570000-0x0000000000596000-memory.dmp
    Filesize

    152KB

  • memory/4544-13-0x00000000749F0000-0x00000000751A0000-memory.dmp
    Filesize

    7.7MB

  • memory/4544-14-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
    Filesize

    64KB

  • memory/4544-15-0x00000000749F0000-0x00000000751A0000-memory.dmp
    Filesize

    7.7MB

  • memory/4544-16-0x0000000004CE0000-0x0000000004CF0000-memory.dmp
    Filesize

    64KB

  • memory/4544-17-0x0000000005F20000-0x0000000005F70000-memory.dmp
    Filesize

    320KB

  • memory/4544-18-0x0000000006140000-0x0000000006302000-memory.dmp
    Filesize

    1.8MB

  • memory/4544-19-0x0000000005FA0000-0x0000000005FAA000-memory.dmp
    Filesize

    40KB