Analysis

  • max time kernel
    121s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    30-12-2023 06:27

General

  • Target

    1110d573c57860b4ba2719fb17f508b9.exe

  • Size

    712KB

  • MD5

    1110d573c57860b4ba2719fb17f508b9

  • SHA1

    8212db43ee02260bc150364213c1534b648f1da8

  • SHA256

    83e8782266edec54f4c451f60e2095864c8a9d817e7296076e128c686a6bfea3

  • SHA512

    771ea1f7a769c8d9bc35fb6feab211b8dc0535dd4c5cd0cd335b1116fd4202bbc642727971028471687c91029c621f876c576db55d529093e482e4a10fb4cc36

  • SSDEEP

    12288:en34ViF3zSxwWIQ8VHjuuRImRclE2hao+coM2algtZZES43Tf4Po1yfMa6hVehXm:Ot3zDkijpRubota2ZZqFI

Malware Config

Extracted

Family

oski

C2

try.divendesign.in

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1110d573c57860b4ba2719fb17f508b9.exe
    "C:\Users\Admin\AppData\Local\Temp\1110d573c57860b4ba2719fb17f508b9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2052
    • C:\Users\Admin\AppData\Local\Temp\1110d573c57860b4ba2719fb17f508b9.exe
      "C:\Users\Admin\AppData\Local\Temp\1110d573c57860b4ba2719fb17f508b9.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2760
    • C:\Users\Admin\AppData\Local\Temp\1110d573c57860b4ba2719fb17f508b9.exe
      "C:\Users\Admin\AppData\Local\Temp\1110d573c57860b4ba2719fb17f508b9.exe"
      2⤵
        PID:2572
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2760 -s 884
      1⤵
      • Program crash
      PID:3052

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2052-20-0x00000000749E0000-0x00000000750CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2052-1-0x00000000749E0000-0x00000000750CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2052-0-0x0000000000B30000-0x0000000000BE8000-memory.dmp

      Filesize

      736KB

    • memory/2052-3-0x0000000000290000-0x00000000002A8000-memory.dmp

      Filesize

      96KB

    • memory/2052-4-0x00000000749E0000-0x00000000750CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2052-5-0x0000000007220000-0x0000000007260000-memory.dmp

      Filesize

      256KB

    • memory/2052-6-0x0000000007400000-0x00000000074A8000-memory.dmp

      Filesize

      672KB

    • memory/2052-7-0x00000000007F0000-0x0000000000830000-memory.dmp

      Filesize

      256KB

    • memory/2052-2-0x0000000007220000-0x0000000007260000-memory.dmp

      Filesize

      256KB

    • memory/2760-23-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-17-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-19-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2760-14-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-13-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-10-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-8-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-12-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB

    • memory/2760-21-0x0000000000400000-0x0000000000438000-memory.dmp

      Filesize

      224KB