Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    04-02-2024 21:55

General

  • Target

    904139e1b11ef1f02a0facebca951e37.exe

  • Size

    1.4MB

  • MD5

    904139e1b11ef1f02a0facebca951e37

  • SHA1

    c2281342cc35e9ef603e675badb56be6a5a7b46b

  • SHA256

    37303654589c7f3bb4bab82c801c81581da9b7e23050e9cc7f9bf39595268c50

  • SHA512

    0887affdfd72fa16e3bfeec6cc5e85d5364ce42c6c02f45158c12f8d85c430a4a28dbcd3ae67e5b17e9f3b810ed71776fdbe3f70478277697624ad5a51f898fd

  • SSDEEP

    24576:pIVFA1pqtg/TnMbX0lwyh0FVmEByA1swFYyOsdwsuQOSIt21QZYftzygdEtG:cFA1pvTMbOwa0TmUqMYEOFQOSIsQZYVF

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 2 IoCs
  • 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 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\904139e1b11ef1f02a0facebca951e37.exe
    "C:\Users\Admin\AppData\Local\Temp\904139e1b11ef1f02a0facebca951e37.exe"
    1⤵
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c taskkill /f /im chrome.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1776
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im chrome.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2296

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    1KB

    MD5

    a266bb7dcc38a562631361bbf61dd11b

    SHA1

    3b1efd3a66ea28b16697394703a72ca340a05bd5

    SHA256

    df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e

    SHA512

    0da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc

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

    Filesize

    344B

    MD5

    a73d4b3648bbf6a51e570097ae92e834

    SHA1

    dbc7ac0582edcf8995583ef6a66f1018489814be

    SHA256

    616d317d49b50b8afea22223573ea805fade2713fdeee184d2acfc2eb5de529d

    SHA512

    80ee7630a9396f3efdc21396a3ac5c197626511676ddd2de46efa57f63d2bd18971b07835b90c451760cdae844e37be044a038255924b5c1d0a7c36ebfb7d21a

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357

    Filesize

    242B

    MD5

    e20ad0bd5b647ef222aaddd9e75ac59b

    SHA1

    2a28d59b2d677a0185cb2a1c3458b72595e88141

    SHA256

    30dbc0d56bd6d36da4f9cd276fc7506bd3e9c60759a6fa3cbc05d7b2bce1e330

    SHA512

    df85c7ec8cd8bdffb4a1d2feb2f3324a1871a0afc48242c2f14e80a8eee7fd2bde7b3033163951b2667259a579dddd9bcb1a755eb4b778cb8e3ed76cd705e412

  • C:\Users\Admin\AppData\Local\Temp\Tar9C6.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06