Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-10-2024 08:28

General

  • Target

    f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903cN.exe

  • Size

    206KB

  • MD5

    2f8441bc4045d18e7d474b1df005b570

  • SHA1

    000e2f70084f4c26163603f7099f1f172a903566

  • SHA256

    f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903c

  • SHA512

    4c7ef5504862ed94ae5cfdb2380cc47ef99c9cdf0225e49dbafa228040b28214ba46b93414f24e8b80e1ec865278c1477b5b87d74a8594777bec268ed61315ab

  • SSDEEP

    1536:NdF6Y9JIXfLrhoCMI7C98AIaAekdAGDYEasJqkUssXOcfaAJzYU4r/1CbSYlIePV:NR2FoCMI2aAIam1asJjUfFOderYRHQ

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 3 TTPs

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

  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903cN.exe
    "C:\Users\Admin\AppData\Local\Temp\f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903cN.exe"
    1⤵
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3444
    • C:\Users\Admin\AppData\Local\Temp\f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903cN.usa
      C:\Users\Admin\AppData\Local\Temp\f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903cN.usa
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4120
      • C:\Users\Admin\AppData\Local\Temp\f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903cN.usa
        C:\Users\Admin\AppData\Local\Temp\f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903cN.usa
        3⤵
        • Executes dropped EXE
        PID:1192
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1192 -s 80
          4⤵
          • Program crash
          PID:1080
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1192 -ip 1192
    1⤵
      PID:4440

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\f5b4c4a0edaf3db073165aaf9174e30daee1898180fec315258ad55e71e4903cN.usa

      Filesize

      105KB

      MD5

      5a559b6d223c79f3736dc52794636cfd

      SHA1

      5c4676b37fcd49990d21960a2df57af72ceef29a

      SHA256

      6f201afc797370ac6e33fafec41a794a2eb44c1bfd7d9079e3633ebe7bbb41e1

      SHA512

      7a12510fe2104a1860bccdd12d96449eb8b02e30f9757bf3fbb4aef3373c710afbaef380ad7f4b1f9fa8129d8bdc096b8f16cb6b1aada0495dba80db33fb9ce2

    • C:\Windows\SysWOW64\UsaShohdi.asu

      Filesize

      206KB

      MD5

      cc7d1f86828f7565526374f1fc181a26

      SHA1

      a4c7c41944c2bdf542a35277ec3bc0aac5d3863d

      SHA256

      922bd40f2ce9f5e2541fb0ae59800777db0a2d1fa78dab0da852c7192de907c5

      SHA512

      ff7ebcdc19ec1831181184968f462ab5747fb4ed9606f3ead256e0be225484c2cabafb9a977f45953b8175f90995d544e63c3091f2e8f27410ea79136e7a4643

    • memory/4120-4-0x0000000074A92000-0x0000000074A93000-memory.dmp

      Filesize

      4KB

    • memory/4120-5-0x0000000074A90000-0x0000000075041000-memory.dmp

      Filesize

      5.7MB

    • memory/4120-6-0x0000000074A90000-0x0000000075041000-memory.dmp

      Filesize

      5.7MB

    • memory/4120-16-0x0000000074A90000-0x0000000075041000-memory.dmp

      Filesize

      5.7MB