Analysis

  • max time kernel
    4294178s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20220310-en
  • submitted
    07-04-2022 23:00

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 14 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:1588
    • C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe
      "C:\Users\Admin\AppData\Local\Temp\F072-01953382-ESERMUL.exe"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 112
        3⤵
        • Program crash
        PID:2000

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1588-54-0x0000000001000000-0x0000000001086000-memory.dmp

    Filesize

    536KB

  • memory/1588-55-0x0000000000470000-0x000000000047A000-memory.dmp

    Filesize

    40KB

  • memory/1588-56-0x0000000005470000-0x00000000054EA000-memory.dmp

    Filesize

    488KB

  • memory/1588-57-0x0000000000CA0000-0x0000000000CD8000-memory.dmp

    Filesize

    224KB

  • memory/1884-58-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1884-59-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1884-61-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1884-63-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1884-65-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1884-67-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB

  • memory/1884-70-0x0000000000400000-0x0000000000438000-memory.dmp

    Filesize

    224KB