Analysis

  • max time kernel
    121s
  • max time network
    124s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    25-10-2021 01:34

General

  • Target

    KERSEL00000209419.scr

  • Size

    976KB

  • MD5

    f9ddb4afd10f811f82d3efc7335a3899

  • SHA1

    7132e4e6d07df37905950ef8d92f38b12ae4832e

  • SHA256

    f7b6fe9f584bc1662bf71f4baa1a242edfe7d823eb1538f24065fd9094e9b02f

  • SHA512

    a172061299d4b7ec2d54e32379f4e2156e0176964282b481acfd354993bddca979e5a98335b9905572de4c4ac8b5ab56b3743daff690f89933b9248a4eeec2ab

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\KERSEL00000209419.scr
    "C:\Users\Admin\AppData\Local\Temp\KERSEL00000209419.scr" /S
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:412
    • C:\Users\Admin\AppData\Local\Temp\29006555\oamjouuda.pif
      "C:\Users\Admin\AppData\Local\Temp\29006555\oamjouuda.pif" qgxxhbeeur.fak
      2⤵
      • Executes dropped EXE
      PID:1320

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\29006555\oamjouuda.pif
    MD5

    e1f85da023a9f5784e38a37c16c777e6

    SHA1

    6623fe6bb1903311cfa96ebdcd25822bc4f221ef

    SHA256

    f4ca36a5e6c02acd6897ffdcaed69f1767ff05a99b2042b218171886b88af162

    SHA512

    28e0a435eb27ca8653a767383a8b16d13f9c0f37e93a4dc814da02ad21c2e85f2efd9df80915437a4768dbe5b107741ba9451754f479340dfc6db2e7b15d55ba

  • memory/1320-115-0x0000000000000000-mapping.dmp