Analysis

  • max time kernel
    121s
  • max time network
    170s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    31-12-2023 01:54

General

  • Target

    237d4aa94739fdee04cd9c86684179d3.exe

  • Size

    1.4MB

  • MD5

    237d4aa94739fdee04cd9c86684179d3

  • SHA1

    6219d6f61d0b78a60d7f0bdfd20837c0586b0d89

  • SHA256

    a08013695327ad7cb9daa90a7687cb03e6142587903b8198e2edac94fd1672de

  • SHA512

    c0449b6ab12af1bba5fa58f3bfd0d7e67372c847c6aca98508071b8f0e53c24eb12b7a29b7dd93cf119efac23c00ac3577f19518aa88d3dd5ab40a1e9c6da1d2

  • SSDEEP

    24576:/IVFA1pqtg/TnMbX0lwyh0FVmEByA1EwFYyOsFTceoCSPZVjQxYfYnDP2mLSqY:OFA1pvTMbOwa0TmUyMYEh1oCSPnQxYAa

Malware Config

Signatures

  • Socelars

    Socelars is an infostealer targeting browser cookies and credit card credentials.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Looks up geolocation information via web service

    Uses a legitimate geolocation service to find the infected system's geolocation info.

  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\237d4aa94739fdee04cd9c86684179d3.exe
    "C:\Users\Admin\AppData\Local\Temp\237d4aa94739fdee04cd9c86684179d3.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2172
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c taskkill /f /im chrome.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1340
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im chrome.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2076

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    2af077a38fc6c23e882e6211dff89857

    SHA1

    a1391234ac9bc0628ec09c74eb00a8e7358ddef8

    SHA256

    4037b53071e80cc68b7aaaeac3e5e443e52010074f9a8ef30aeb33fbc9938274

    SHA512

    2a357f15bb79fe817ac3471d0c3ccd207e4058e6dcffa351ce91971a45af5aa9f5585dd994a381c0be66a591bfb05f0a337987edce2f9e8ef681c2db2853987f

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    cdc16399f22721ad73e1e72248d17390

    SHA1

    e7547860263c6d3df647bb95e77a04ec55aebb92

    SHA256

    d995d915900ae02b9520738b5505805d921df3915f2fe39dc44440c327a5f83e

    SHA512

    454bed702c80c8f310612fb2ea4dfeac53857ca787bad329298ab48d1187b21d58fef9a7d491df3ce7e8b00b63b74dca1342c41f7c24e3405eec34307a2f061a

  • C:\Users\Admin\AppData\Local\Temp\CabE2B3.tmp

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\TarE352.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06