Analysis

  • max time kernel
    152s
  • max time network
    173s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    25-06-2022 10:32

General

  • Target

    396db407c256a9d986e6c9236b138a45a8d036db66fada0986c1de5358fa9875.exe

  • Size

    1.9MB

  • MD5

    20b489eaf040e049a47c082170acc9b8

  • SHA1

    185eabfdd755f94c8eaa80baed99b5a4e06b3ca2

  • SHA256

    396db407c256a9d986e6c9236b138a45a8d036db66fada0986c1de5358fa9875

  • SHA512

    1af4b40a3572aa0fdbd4c8b8cd974d0bff85d5c99203057e09abe222f24fce7e160d2155b8ec3b697bdd2efb65d1701a658c8d0f485ed0461af5a852561a6f3f

Malware Config

Extracted

Family

socelars

C2

http://www.zhxxjs.pw/Info/

http://www.allinfo.pw/

Signatures

  • Socelars

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

  • Executes dropped EXE 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\396db407c256a9d986e6c9236b138a45a8d036db66fada0986c1de5358fa9875.exe
    "C:\Users\Admin\AppData\Local\Temp\396db407c256a9d986e6c9236b138a45a8d036db66fada0986c1de5358fa9875.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Users\Admin\AppData\Local\Temp\is-4JLJ4.tmp\396db407c256a9d986e6c9236b138a45a8d036db66fada0986c1de5358fa9875.tmp
      "C:\Users\Admin\AppData\Local\Temp\is-4JLJ4.tmp\396db407c256a9d986e6c9236b138a45a8d036db66fada0986c1de5358fa9875.tmp" /SL5="$901CE,1244772,784384,C:\Users\Admin\AppData\Local\Temp\396db407c256a9d986e6c9236b138a45a8d036db66fada0986c1de5358fa9875.exe"
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:4980
      • C:\Users\Admin\AppData\Local\Temp\DiskProtect190001\DiskScan.exe
        "C:\Users\Admin\AppData\Local\Temp\DiskProtect190001\DiskScan.exe"
        3⤵
        • Executes dropped EXE
        PID:4928
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4928 -s 1212
          4⤵
          • Program crash
          PID:5080
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4928 -ip 4928
    1⤵
      PID:1104

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\DiskProtect190001\DiskScan.exe
      Filesize

      1.1MB

      MD5

      46d380dc43a98463afcdf562f55416bd

      SHA1

      c92edab2128908f8c86f6ed6e971db4b8b2aa77d

      SHA256

      f28d5f9277e2c0ee3cdee500666991e02dc8040e4790ab3d837dcf3b432ca4cc

      SHA512

      6736239217beb91b257954ccd1d170a596fcf3a06cf40b99133f18519e5713310113a5d21aded0f78392f1565b544b63c977e17f861101e9640074049195e100

    • C:\Users\Admin\AppData\Local\Temp\DiskProtect190001\DiskScan.exe
      Filesize

      1.1MB

      MD5

      46d380dc43a98463afcdf562f55416bd

      SHA1

      c92edab2128908f8c86f6ed6e971db4b8b2aa77d

      SHA256

      f28d5f9277e2c0ee3cdee500666991e02dc8040e4790ab3d837dcf3b432ca4cc

      SHA512

      6736239217beb91b257954ccd1d170a596fcf3a06cf40b99133f18519e5713310113a5d21aded0f78392f1565b544b63c977e17f861101e9640074049195e100

    • C:\Users\Admin\AppData\Local\Temp\is-4JLJ4.tmp\396db407c256a9d986e6c9236b138a45a8d036db66fada0986c1de5358fa9875.tmp
      Filesize

      2.5MB

      MD5

      5f28081693a97336a2d7df877044fcde

      SHA1

      9d710db6c618906d9b2e355bb8b2e0b5ab014bad

      SHA256

      5751a4c9713b058ba5cd757c405865702bee0926d5086efbaa4add627984362d

      SHA512

      48a8f91d57456409d82e8c5277a494e44e6d71d315cf1d5cfe9bea0ad8797d20a587d2fa7a123cbc4439eb74e6411f7d39743ddf4780abf3826cc7072276fb2f

    • C:\Users\Admin\AppData\Local\Temp\is-4JLJ4.tmp\396db407c256a9d986e6c9236b138a45a8d036db66fada0986c1de5358fa9875.tmp
      Filesize

      2.5MB

      MD5

      5f28081693a97336a2d7df877044fcde

      SHA1

      9d710db6c618906d9b2e355bb8b2e0b5ab014bad

      SHA256

      5751a4c9713b058ba5cd757c405865702bee0926d5086efbaa4add627984362d

      SHA512

      48a8f91d57456409d82e8c5277a494e44e6d71d315cf1d5cfe9bea0ad8797d20a587d2fa7a123cbc4439eb74e6411f7d39743ddf4780abf3826cc7072276fb2f

    • memory/4228-130-0x0000000000400000-0x00000000004CD000-memory.dmp
      Filesize

      820KB

    • memory/4228-134-0x0000000000400000-0x00000000004CD000-memory.dmp
      Filesize

      820KB

    • memory/4228-139-0x0000000000400000-0x00000000004CD000-memory.dmp
      Filesize

      820KB

    • memory/4228-140-0x0000000000400000-0x00000000004CD000-memory.dmp
      Filesize

      820KB

    • memory/4928-136-0x0000000000000000-mapping.dmp
    • memory/4980-132-0x0000000000000000-mapping.dmp