Analysis

  • max time kernel
    150s
  • max time network
    188s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2022 17:06

General

  • Target

    98a4fd090a69108383b56ecbc9f4e02096367da5d503acd692f3b32bf1bac5f5.exe

  • Size

    630KB

  • MD5

    60b7e5c59466cd3ba3bbbd8bfb1f20cc

  • SHA1

    c7f9875a5d2eadfa5512a6824e03214c9ddc2fc5

  • SHA256

    98a4fd090a69108383b56ecbc9f4e02096367da5d503acd692f3b32bf1bac5f5

  • SHA512

    1c08ea44bf66cabb082b06230f0e5d86ea7e1778d7c938d13069787663ee32eb387abca30d14da5908928d2b6fdea6837588206d024562f7f5d9624a432e385b

  • SSDEEP

    12288:jqlMhfymUyZzk8ri+hcGgn9cJBJYGahyHY2oSjUep66cbx:j5kxyZFe+hcGEXGwiY2jzp6F

Malware Config

Extracted

Family

socelars

C2

https://hdbywe.s3.us-west-2.amazonaws.com/sauydga27/

Signatures

  • Socelars

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

  • Socelars payload 2 IoCs
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Drops file in Program Files directory 10 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 35 IoCs
  • Suspicious use of WriteProcessMemory 52 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\98a4fd090a69108383b56ecbc9f4e02096367da5d503acd692f3b32bf1bac5f5.exe
    "C:\Users\Admin\AppData\Local\Temp\98a4fd090a69108383b56ecbc9f4e02096367da5d503acd692f3b32bf1bac5f5.exe"
    1⤵
    • Drops file in Program Files directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2184
    • C:\Windows\SysWOW64\cmd.exe
      cmd.exe /c taskkill /f /im chrome.exe
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4576
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /im chrome.exe
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:924
    • C:\Program Files\Google\Chrome\Application\chrome.exe
      "C:\Program Files\Google\Chrome\Application\chrome.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3636
      • C:\Program Files\Google\Chrome\Application\chrome.exe
        "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=89.0.4389.114 --initial-client-data=0x10c,0x110,0x114,0xe8,0x118,0x7ff810454f50,0x7ff810454f60,0x7ff810454f70
        3⤵
          PID:2716
        • C:\Program Files\Google\Chrome\Application\chrome.exe
          "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --field-trial-handle=1628,18407066073146863696,11044009948732032500,131072 --gpu-preferences=SAAAAAAAAADgAAAwAAAAAAAAAAAAAAAAAABgAAAAAAAoAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAB4AAAAAAAAAHgAAAAAAAAAKAAAAAQAAAAgAAAAAAAAACgAAAAAAAAAMAAAAAAAAAA4AAAAAAAAABAAAAAAAAAAAAAAAAUAAAAQAAAAAAAAAAAAAAAGAAAAEAAAAAAAAAABAAAABQAAABAAAAAAAAAAAQAAAAYAAAAIAAAAAAAAAAgAAAAAAAAA --mojo-platform-channel-handle=1668 /prefetch:2
          3⤵
            PID:640
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=1628,18407066073146863696,11044009948732032500,131072 --lang=en-US --service-sandbox-type=network --mojo-platform-channel-handle=1984 /prefetch:8
            3⤵
            • Suspicious behavior: EnumeratesProcesses
            PID:2408

      Network

      MITRE ATT&CK Matrix ATT&CK v6

      Credential Access

      Credentials in Files

      1
      T1081

      Discovery

      System Information Discovery

      1
      T1082

      Collection

      Data from Local System

      1
      T1005

      Command and Control

      Web Service

      1
      T1102

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Secure Preferences
        Filesize

        16KB

        MD5

        5b27455f1984af3c5497d97886254a44

        SHA1

        5648dc52488ea6a0d573a9288e8b98dcaab147dc

        SHA256

        d7cdb0049d481903f8f695921aaaf93a3a1c602b645b8c1d77c971c473a760bb

        SHA512

        4b21e0e977ccd0c011452dd0362ce2c4ddd0217471c9a648a43fe587e354000a5e813bfe8d80c331bf9e5d8fe284197478ffe3a99a4ecc10b6cb3c4f7877e63b

      • \??\pipe\crashpad_3636_BMCOJMHWZFLKWLIC
        MD5

        d41d8cd98f00b204e9800998ecf8427e

        SHA1

        da39a3ee5e6b4b0d3255bfef95601890afd80709

        SHA256

        e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

        SHA512

        cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

      • memory/924-135-0x0000000000000000-mapping.dmp
      • memory/2184-132-0x0000000000400000-0x0000000000577000-memory.dmp
        Filesize

        1.5MB

      • memory/2184-133-0x0000000000400000-0x0000000000577000-memory.dmp
        Filesize

        1.5MB

      • memory/2184-136-0x0000000000400000-0x0000000000577000-memory.dmp
        Filesize

        1.5MB

      • memory/4576-134-0x0000000000000000-mapping.dmp