Analysis

  • max time kernel
    63s
  • max time network
    105s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    30-11-2022 18:11

General

  • Target

    527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe

  • Size

    200KB

  • MD5

    841cc2a1b0b7bd037d7ce4bff9a067df

  • SHA1

    904525e4b5599227fd1860bda78962b87ccee2a9

  • SHA256

    527081e5de003c6dbbef8aafccdf3648e7624a55b79fcfa642dd9ef7e838e995

  • SHA512

    e4116ed6117d3346029cecd15832dca1a4491776af0e8566910dd3f38fb18d0e5fdbfd595ec677411a5a327eebba67e03aec781cfa428358d2ecd259c4df1f8d

  • SSDEEP

    3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fId1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pN41Ljo3c

Malware Config

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.

  • Program crash 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe
    "C:\Users\Admin\AppData\Local\Temp\527081E5DE003C6DBBEF8AAFCCDF3648E7624A55B79FC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1684 -s 764
      2⤵
      • Program crash
      PID:1860

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Replay Monitor

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Downloads

  • memory/1684-54-0x0000000075151000-0x0000000075153000-memory.dmp
    Filesize

    8KB

  • memory/1860-55-0x0000000000000000-mapping.dmp