Analysis

  • max time kernel
    147s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-10-2022 20:47

General

  • Target

    22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe

  • Size

    198KB

  • MD5

    a1aa46252a269de3b8a88b641f985530

  • SHA1

    8c26f7888a6e6532fcef54568c7262ec942db112

  • SHA256

    22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b

  • SHA512

    6e6f4e7cbb3e5dbad6999d601856be0ecf321b10577172d13ed57a5dd2a093b005a15b13820bf4b2895161138f8bda04e05bf50e999b9eab98362f55ac5fb76d

  • SSDEEP

    1536:JXBhCQCq4mFVsIgvo3X4iZpTha5VlA8mH7aoHayXzR:JX74mFmIgvo4iZhha5rOaoHfV

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops file in Program Files directory 3 IoCs
  • Drops file in Windows directory 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\22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe
    "C:\Users\Admin\AppData\Local\Temp\22ef86f1e576a6c2cb442d1fcc5092ffeb05943a95a7916e6dec72cdbd4a025b.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Suspicious use of WriteProcessMemory
    PID:360
    • C:\Program Files (x86)\3ac8d391\jusched.exe
      "C:\Program Files (x86)\3ac8d391\jusched.exe"
      2⤵
      • Executes dropped EXE
      PID:2232

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Program Files (x86)\3ac8d391\3ac8d391

    Filesize

    17B

    MD5

    ea30f8139bb911f029a1e7cbe45ed983

    SHA1

    0eb7dec5427d1d3c0a51678feab94aea2716cfa4

    SHA256

    795b20420c630ebd74c12699428fe7ec4c3270ec3429d347d096356dc27ea32b

    SHA512

    b19671e73af17bb4f0d22e70ccb1e85786e2a3bf4aa54225e80b76ec82bceeef4228f86e7511520ddc08c3c4c33d55fe9a767644e1014d83e0149bbfa767ed04

  • C:\Program Files (x86)\3ac8d391\info_a

    Filesize

    12B

    MD5

    a0b34c6649594d7ce4c26e96c8f3be5f

    SHA1

    4b41e6b139d198f89aa5a9147a0479e424bde115

    SHA256

    96b1b410a865bb0d34f6598925577e582fea905c59f80fc3cbe2301ef448e75a

    SHA512

    fb07ec2e718ad0d1c1184180642b64d1ed589d90937a4317feeda127c658450cef3e7d2d64105ab0b582dad8f2909a6cd0ffcd013beeb07eac3be492c73d0d07

  • C:\Program Files (x86)\3ac8d391\jusched.exe

    Filesize

    198KB

    MD5

    f6bd0717fccd856aa5d0928a4055928a

    SHA1

    a451ca09ce1ec4f9dc1378f646dbc4e7ed0c00c4

    SHA256

    e7557d5b3928411f63d833f2ee14aa3ddd221e919e9f08832a2df3ecae76ac6e

    SHA512

    7824e29fe70eae084af6d3b9c33c028223a078d09612a93cea71395d80d13eb079119cae70ef014674308466953b24300aa7695d5542b9c6cfcc8bb7a428f1c5

  • C:\Program Files (x86)\3ac8d391\jusched.exe

    Filesize

    198KB

    MD5

    f6bd0717fccd856aa5d0928a4055928a

    SHA1

    a451ca09ce1ec4f9dc1378f646dbc4e7ed0c00c4

    SHA256

    e7557d5b3928411f63d833f2ee14aa3ddd221e919e9f08832a2df3ecae76ac6e

    SHA512

    7824e29fe70eae084af6d3b9c33c028223a078d09612a93cea71395d80d13eb079119cae70ef014674308466953b24300aa7695d5542b9c6cfcc8bb7a428f1c5