Analysis

  • max time kernel
    143s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/08/2023, 13:11

General

  • Target

    708415278200.exe

  • Size

    1.0MB

  • MD5

    158748c68c6020ea891efa8286390152

  • SHA1

    07a4eedeccca3144728289594780ce483a6349a4

  • SHA256

    1e1ff24f4fb7e44eb28295debcc6a6ea5015361253d18a90daeecbb1bd2afa34

  • SHA512

    ac8d4796acb776a0f38d191cbf48ac3cdcb55457153daaa9911fd8efdb5aff0b9c6da2d6b5065905a8ca12d961b36d0dadfb6b853f2795ecd6bdea123b2b453c

  • SSDEEP

    24576:11I1R1I1nRs6CE3jLMpppdpppppUO9Rs6CE3jLMpppdpppppUOLOgu0V5dGclWzD:1GvGRRs6CE3jLbO9Rs6CE3jLbORu0Pdo

Malware Config

Signatures

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 2 TTPs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\708415278200.exe
    "C:\Users\Admin\AppData\Local\Temp\708415278200.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:472
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BALCIwRur" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5356.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:228
    • C:\Users\Admin\AppData\Local\Temp\708415278200.exe
      "{path}"
      2⤵
        PID:4580
      • C:\Users\Admin\AppData\Local\Temp\708415278200.exe
        "{path}"
        2⤵
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4924

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\708415278200.exe.log

      Filesize

      1KB

      MD5

      1f0484f3b20819467b97b96021990aaf

      SHA1

      4949dea3e601e45abffbc6516898f70cea8acdb9

      SHA256

      b16eab1b68f596d2ec582361964f89bb216cda8f1e2cfb6292cb30473e4791d0

      SHA512

      5bbd1b10d2a004dba4673197e79ded5b86b9fa08e41f9ced7e332ca626d07ba6bbdfd058354450627f263a619b3ad041bdcb7825990550dd9998106284cc4b6a

    • C:\Users\Admin\AppData\Local\Temp\tmp5356.tmp

      Filesize

      1KB

      MD5

      0e4f23f3a54a7c0a55845d3cef54df0a

      SHA1

      29eabc24429b329c1b852ca9afd2ca135a89728c

      SHA256

      8f245ac2284a6c25a03af9a58237ff744546e5b69f3815d73da7c0bb891bbc63

      SHA512

      1dab8d28787d7d878a705f20f71c122884dc72486c5f7311ede38fa68c11a3c5599a89228e3db7d9fb32321af257c61e0ca610494ec176970055fd9489a2159e

    • memory/472-141-0x0000000006420000-0x0000000006430000-memory.dmp

      Filesize

      64KB

    • memory/472-135-0x0000000005D50000-0x00000000062F4000-memory.dmp

      Filesize

      5.6MB

    • memory/472-137-0x0000000005840000-0x00000000058DC000-memory.dmp

      Filesize

      624KB

    • memory/472-138-0x0000000006420000-0x0000000006430000-memory.dmp

      Filesize

      64KB

    • memory/472-139-0x00000000057E0000-0x00000000057EA000-memory.dmp

      Filesize

      40KB

    • memory/472-140-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/472-134-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/472-136-0x00000000056D0000-0x0000000005762000-memory.dmp

      Filesize

      584KB

    • memory/472-149-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/472-133-0x0000000000C40000-0x0000000000D4C000-memory.dmp

      Filesize

      1.0MB

    • memory/4924-148-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB

    • memory/4924-145-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/4924-150-0x0000000005470000-0x0000000005480000-memory.dmp

      Filesize

      64KB

    • memory/4924-151-0x00000000053E0000-0x0000000005446000-memory.dmp

      Filesize

      408KB

    • memory/4924-153-0x0000000006A80000-0x0000000006AD0000-memory.dmp

      Filesize

      320KB

    • memory/4924-154-0x0000000074880000-0x0000000075030000-memory.dmp

      Filesize

      7.7MB