Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220331-en
  • submitted
    07-04-2022 23:38

General

  • Target

    F072-01953382-ESERMUL.exe

  • Size

    514KB

  • MD5

    c80d1be82cad6e4f19dc43403d52f458

  • SHA1

    0435a24cbc362b0e8d6dd254e001b3b6a3c1b2f6

  • SHA256

    48d338ba06ada3da080eeeddb8a267b1b677dc9c3670f13e333ec8c73ff1b02c

  • SHA512

    01265c663b2843486b0c7da565683d3edbd3fb576b212cb5977a7d190244cfdd51a3ed16c01a17dfd404376fc76cee24f0c2d227c4d9b8633e94f1271f46d7a9

Score
10/10

Malware Config

Extracted

Family

oski

C2

friktomb.cf

Signatures

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Suspicious use of SetThreadContext 1 IoCs
  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe
    "C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1012
    • C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe
      "C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe"
      2⤵
        PID:3840
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3840 -s 236
          3⤵
          • Program crash
          PID:412
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 3840 -ip 3840
      1⤵
        PID:744

      Network

      MITRE ATT&CK Matrix

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/1012-124-0x0000000000CE0000-0x0000000000D66000-memory.dmp

        Filesize

        536KB

      • memory/1012-125-0x0000000005BB0000-0x0000000006154000-memory.dmp

        Filesize

        5.6MB

      • memory/1012-126-0x0000000005700000-0x0000000005792000-memory.dmp

        Filesize

        584KB

      • memory/1012-127-0x0000000005840000-0x00000000058DC000-memory.dmp

        Filesize

        624KB

      • memory/1012-128-0x00000000057B0000-0x00000000057BA000-memory.dmp

        Filesize

        40KB

      • memory/1012-129-0x0000000007F00000-0x0000000007F66000-memory.dmp

        Filesize

        408KB

      • memory/3840-131-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/3840-132-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB

      • memory/3840-133-0x0000000000400000-0x0000000000438000-memory.dmp

        Filesize

        224KB