Analysis

  • max time kernel
    44s
  • max time network
    48s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-01-2023 11:41

General

  • Target

    c86f5effa03017eb59c8b9d6f25359c8a97b36b4d0f782b4749fc3a74cd68274.exe

  • Size

    200KB

  • MD5

    32796b5ab01af3bb6585ac7c2f31402f

  • SHA1

    c7456b083fcac2b5995c3a1621c2a508d55154bf

  • SHA256

    c86f5effa03017eb59c8b9d6f25359c8a97b36b4d0f782b4749fc3a74cd68274

  • SHA512

    03c2b772084d73bd5532eac1232e18d5b12c4474872d0283a7413ff64f6401b830d91755f050411951efcd3e59520a8b9955d454ea8d3791df535342863b0d6e

  • SSDEEP

    3072:WfUomEuYm98dlSq7gt5q7Dx+XgS6aCEwhOfUbCalNT2pbB3fIf1Xi6FLPo3c:WfUauY68uSWCx+XA7mg2pNO1Ljo3c

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\c86f5effa03017eb59c8b9d6f25359c8a97b36b4d0f782b4749fc3a74cd68274.exe
    "C:\Users\Admin\AppData\Local\Temp\c86f5effa03017eb59c8b9d6f25359c8a97b36b4d0f782b4749fc3a74cd68274.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2028 -s 1000
      2⤵
      • Program crash
      PID:1632

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/1632-55-0x0000000000000000-mapping.dmp
  • memory/2028-54-0x0000000075A71000-0x0000000075A73000-memory.dmp
    Filesize

    8KB