Resubmissions

15/01/2025, 16:28

250115-tys7vazkfr 7

15/01/2025, 14:59

250115-scqn6axmhm 7

Analysis

  • max time kernel
    119s
  • max time network
    204s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15/01/2025, 16:28

General

  • Target

    PDF6UU0CVUO2W-YGVUIO.scr

  • Size

    624KB

  • MD5

    9d8bc1bd62ddd6ebe6f9e25a8c73bca3

  • SHA1

    0a34d97de35ea1c4252bb2bf148c1173666f7343

  • SHA256

    53744fdba0544f915f43eddad494ea07a405776df30864415d6b1445db042481

  • SHA512

    b19a0ce9ebc0c419ce53b5f646d90dc53744480bd40d1c84f7caf29f688deff25503cb20ca709828d10e088d60b43d1ed6687b10aef4d39ee3d2b7c20a64de8d

  • SSDEEP

    12288:ZYRxA4Y5lyA/BxSPCVZxTEQBae03JIpfsTC6RPBI6RgZOYNCVpveB/B19kR:uRwL9BaZJIpoC6R5I2SOY+pvc/ng

Malware Config

Signatures

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PDF6UU0CVUO2W-YGVUIO.scr
    C:\Users\Admin\AppData\Local\Temp\PDF6UU0CVUO2W-YGVUIO.scr sh $MOZILLA/ %SIGILL% "SIGTERM|DESTROY|SIGKILL"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4828
    • C:\Users\Admin\AppData\Local\Temp\PDF6UU0CVUO2W-YGVUIO.scr
      "C:\Users\Admin\AppData\Local\Temp\PDF6UU0CVUO2W-YGVUIO.scr"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:808

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PDF6UU0CVUO2W-YGVUIO.scr.log

          Filesize

          1KB

          MD5

          8ec831f3e3a3f77e4a7b9cd32b48384c

          SHA1

          d83f09fd87c5bd86e045873c231c14836e76a05c

          SHA256

          7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

          SHA512

          26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

        • memory/808-11-0x0000000000400000-0x000000000041C000-memory.dmp

          Filesize

          112KB

        • memory/808-20-0x00000000746A0000-0x0000000074E50000-memory.dmp

          Filesize

          7.7MB

        • memory/808-19-0x00000000746A0000-0x0000000074E50000-memory.dmp

          Filesize

          7.7MB

        • memory/808-18-0x0000000006830000-0x00000000069F2000-memory.dmp

          Filesize

          1.8MB

        • memory/808-17-0x0000000006470000-0x00000000064C0000-memory.dmp

          Filesize

          320KB

        • memory/808-16-0x00000000746A0000-0x0000000074E50000-memory.dmp

          Filesize

          7.7MB

        • memory/808-14-0x00000000746A0000-0x0000000074E50000-memory.dmp

          Filesize

          7.7MB

        • memory/4828-4-0x00000000746A0000-0x0000000074E50000-memory.dmp

          Filesize

          7.7MB

        • memory/4828-9-0x0000000006E60000-0x0000000006EC0000-memory.dmp

          Filesize

          384KB

        • memory/4828-10-0x000000000A860000-0x000000000A8FC000-memory.dmp

          Filesize

          624KB

        • memory/4828-8-0x00000000746A0000-0x0000000074E50000-memory.dmp

          Filesize

          7.7MB

        • memory/4828-7-0x00000000746AE000-0x00000000746AF000-memory.dmp

          Filesize

          4KB

        • memory/4828-15-0x00000000746A0000-0x0000000074E50000-memory.dmp

          Filesize

          7.7MB

        • memory/4828-6-0x0000000005B90000-0x0000000005BAA000-memory.dmp

          Filesize

          104KB

        • memory/4828-0-0x00000000746AE000-0x00000000746AF000-memory.dmp

          Filesize

          4KB

        • memory/4828-5-0x0000000005950000-0x000000000595A000-memory.dmp

          Filesize

          40KB

        • memory/4828-3-0x00000000058A0000-0x0000000005932000-memory.dmp

          Filesize

          584KB

        • memory/4828-2-0x0000000005F30000-0x00000000064D4000-memory.dmp

          Filesize

          5.6MB

        • memory/4828-1-0x0000000000E60000-0x0000000000EFE000-memory.dmp

          Filesize

          632KB