Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    04-08-2024 08:30

General

  • Target

    snss1.bin.exe

  • Size

    1.4MB

  • MD5

    a9028986ba7f28ed266357a8e9433b2c

  • SHA1

    d2a748f321863c02301575e9404b704f868b2cd6

  • SHA256

    972581c7a8ab22bea81a7a36297b45c5e1c0ee3321fbe4ec34df4bd8edd42654

  • SHA512

    959691e5ecf2c4bb97b27e9fac7aa5997d32ad54fb214254b0b7d66cbe6bd2521258a408e59b771eaf4b2a0e40f9ab4c833c866d0eea323d4f5c82f246168429

  • SSDEEP

    24576:jObekFskfohrP337uzHnA6cHswHEnq6gUT5C7TbFwO16HVOQaZiHfnB6n5wldRcT:jO63lrP337uzHnA6cMcVm8TyO161GZiC

Malware Config

Extracted

Family

stealc

Botnet

vor2

C2

http://45.152.112.103

Attributes
  • url_path

    /1cf3aa1810feeb67.php

Signatures

  • Detects HijackLoader (aka IDAT Loader) 1 IoCs
  • HijackLoader

    HijackLoader is a multistage loader first seen in 2023.

  • Stealc

    Stealc is an infostealer written in C++.

  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Unsecured Credentials: Credentials In Files 1 TTPs

    Steal credentials from unsecured files.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious behavior: MapViewOfSection 2 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\snss1.bin.exe
    "C:\Users\Admin\AppData\Local\Temp\snss1.bin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:1128
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\SysWOW64\cmd.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2176
      • C:\Windows\SysWOW64\explorer.exe
        C:\Windows\SysWOW64\explorer.exe
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Checks processor information in registry
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:2848
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "" & del "C:\ProgramData\*.dll"" & exit
          4⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1104
          • C:\Windows\SysWOW64\timeout.exe
            timeout /t 5
            5⤵
            • System Location Discovery: System Language Discovery
            • Delays execution with timeout.exe
            PID:1140

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\827502ac

    Filesize

    907KB

    MD5

    191c372e9b460c096be06c144e147f91

    SHA1

    3531639ce9f9242bb3bc992763b471825ef745b3

    SHA256

    3158c41a24fcf5d5e42ef9024a80fcd84046e7f4e11528825bbc55005d7cd8af

    SHA512

    ccf3b4bb1a713114561034bbe1fc7c24fdb6cb955adf9d34c9341a9137a9353cf78924745edc6bbba0c270d0283eec45fee78411c7983bcfd9eb3ff2d7ab8da0

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • memory/1128-1-0x0000000000240000-0x0000000000241000-memory.dmp

    Filesize

    4KB

  • memory/1128-0-0x0000000000400000-0x0000000000566000-memory.dmp

    Filesize

    1.4MB

  • memory/1128-2-0x0000000074430000-0x00000000745A4000-memory.dmp

    Filesize

    1.5MB

  • memory/1128-3-0x00000000770A0000-0x0000000077249000-memory.dmp

    Filesize

    1.7MB

  • memory/1128-4-0x0000000074443000-0x0000000074445000-memory.dmp

    Filesize

    8KB

  • memory/1128-5-0x0000000074430000-0x00000000745A4000-memory.dmp

    Filesize

    1.5MB

  • memory/1128-6-0x0000000074430000-0x00000000745A4000-memory.dmp

    Filesize

    1.5MB

  • memory/2176-12-0x0000000074430000-0x00000000745A4000-memory.dmp

    Filesize

    1.5MB

  • memory/2176-13-0x0000000074430000-0x00000000745A4000-memory.dmp

    Filesize

    1.5MB

  • memory/2176-15-0x0000000074430000-0x00000000745A4000-memory.dmp

    Filesize

    1.5MB

  • memory/2176-11-0x00000000770A0000-0x0000000077249000-memory.dmp

    Filesize

    1.7MB

  • memory/2176-10-0x0000000074430000-0x00000000745A4000-memory.dmp

    Filesize

    1.5MB

  • memory/2848-16-0x0000000000570000-0x00000000007B5000-memory.dmp

    Filesize

    2.3MB

  • memory/2848-17-0x00000000770A0000-0x0000000077249000-memory.dmp

    Filesize

    1.7MB

  • memory/2848-18-0x0000000000570000-0x00000000007B5000-memory.dmp

    Filesize

    2.3MB

  • memory/2848-21-0x0000000000310000-0x0000000000318000-memory.dmp

    Filesize

    32KB

  • memory/2848-22-0x00000000002E0000-0x0000000000561000-memory.dmp

    Filesize

    2.5MB

  • memory/2848-23-0x0000000000570000-0x00000000007B5000-memory.dmp

    Filesize

    2.3MB

  • memory/2848-24-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2848-84-0x0000000000570000-0x00000000007B5000-memory.dmp

    Filesize

    2.3MB