Analysis

  • max time kernel
    141s
  • max time network
    111s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2023 10:03

General

  • Target

    SHDG0009000.exe

  • Size

    345KB

  • MD5

    734f19391aa55187a0e540af6e2b3637

  • SHA1

    dd94a19920398360fecfc7e79b4e194cd62f8e12

  • SHA256

    faa080e3c029ae675ef5c38b3884e171b70e2460f8df551a0764e06249ce349d

  • SHA512

    2956ca789af8bcfe88722bfe0b8ca49bbe8845d74d56f8d902b3018d62f49e940ee8d3a51be80064213c6fad253b43da94b92b37e75d98c5077b922ede2eb52e

  • SSDEEP

    6144:PYa6QVyvfLj2dX3m0ePci6R5FpcdFe7PjZ1UlZiqvfMKjRvSP8roc0m/YWg7XtwX:PYqMCHmDx61idFezjZ1ULi80KNKPUX0O

Malware Config

Signatures

  • Snake Keylogger

    Keylogger and Infostealer first seen in November 2020.

  • Snake Keylogger payload 4 IoCs
  • Loads dropped DLL 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
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHDG0009000.exe
    "C:\Users\Admin\AppData\Local\Temp\SHDG0009000.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetThreadContext
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1132
    • C:\Users\Admin\AppData\Local\Temp\SHDG0009000.exe
      "C:\Users\Admin\AppData\Local\Temp\SHDG0009000.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:108

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nst80F.tmp\fxivlx.dll
    Filesize

    271KB

    MD5

    2d760454fc71febd6b80c16ff4dcf078

    SHA1

    bb9c3b6fa4928d183ab517f70ea9bcb8b864c917

    SHA256

    43f57fb44c32bc4f8561d815606f50b78b10a2af00cdc0a0b879780e1e2d7dfe

    SHA512

    83c215a98f78d9f661fd7271c69cd2db486d7b59362904724a05c91a31b5632328ce19cb6f1b17480afbb3762285622ac9e891d903bd17e5589866c779cfddd7

  • \Users\Admin\AppData\Local\Temp\nst80F.tmp\fxivlx.dll
    Filesize

    271KB

    MD5

    2d760454fc71febd6b80c16ff4dcf078

    SHA1

    bb9c3b6fa4928d183ab517f70ea9bcb8b864c917

    SHA256

    43f57fb44c32bc4f8561d815606f50b78b10a2af00cdc0a0b879780e1e2d7dfe

    SHA512

    83c215a98f78d9f661fd7271c69cd2db486d7b59362904724a05c91a31b5632328ce19cb6f1b17480afbb3762285622ac9e891d903bd17e5589866c779cfddd7

  • memory/108-62-0x0000000000400000-0x0000000000437000-memory.dmp
    Filesize

    220KB

  • memory/108-64-0x0000000000400000-0x0000000000437000-memory.dmp
    Filesize

    220KB

  • memory/108-65-0x0000000000400000-0x0000000000437000-memory.dmp
    Filesize

    220KB

  • memory/108-66-0x00000000002E0000-0x0000000000306000-memory.dmp
    Filesize

    152KB

  • memory/108-67-0x0000000004720000-0x0000000004760000-memory.dmp
    Filesize

    256KB