Analysis

  • max time kernel
    154s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-11-2022 13:04

General

  • Target

    0e4893b6d43728b8d7b9c1483ac5aa03eaa2be552963703369461bb77e653303.exe

  • Size

    748KB

  • MD5

    233f3620139e38ec5ae44f2ea73b2122

  • SHA1

    4e582a1411167b7eb59633fe3102c4c1cd19b92f

  • SHA256

    0e4893b6d43728b8d7b9c1483ac5aa03eaa2be552963703369461bb77e653303

  • SHA512

    76764469bf253fe56a8c9d543ce327b4bdb60a058041dcd97ceebc9d47999e47221326315d7616fb04dd19376ed64a7857f6f06ce7fa7fbcb841873044262593

  • SSDEEP

    12288:geWzt13drPsKlgTA0Ow/WnX5m9stu1EgpU55jgG4HdRUdWQiHL:gee4KCOznX5R4KgQ5RBC

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch -p
    1⤵
      PID:796
    • C:\Users\Admin\AppData\Local\Temp\0e4893b6d43728b8d7b9c1483ac5aa03eaa2be552963703369461bb77e653303.exe
      "C:\Users\Admin\AppData\Local\Temp\0e4893b6d43728b8d7b9c1483ac5aa03eaa2be552963703369461bb77e653303.exe"
      1⤵
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:4776
      • C:\Users\Admin\AppData\Local\Temp\0e4893b6d43728b8d7b9c1483ac5aa03eaa2be552963703369461bb77e653303.exe
        "C:\Users\Admin\AppData\Local\Temp\0e4893b6d43728b8d7b9c1483ac5aa03eaa2be552963703369461bb77e653303.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:5080
    • C:\Users\Admin\AppData\Local\Temp\xlobkpb.exe
      C:\Users\Admin\AppData\Local\Temp\xlobkpb.exe
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:3592
      • C:\Users\Admin\AppData\Local\Temp\xlobkpb.exe
        "C:\Users\Admin\AppData\Local\Temp\xlobkpb.exe"
        2⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:324

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Discovery

    System Information Discovery

    1
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\ProgramData\Package Cache\xkefqne
      Filesize

      654B

      MD5

      4e4b1505e29d7ffb28828b56d01ff9c4

      SHA1

      aa98cec0d4a274e92b74c94cd66940eb5e5b7e33

      SHA256

      26a9783462787f3db770151e88eb8933733b18f7595f7d3a508c5ba7b285b6ac

      SHA512

      1d96144f90e2e38418b7c7ee4ab2fe453ded1d1c01dfcc3d54ae329c784dc834c2a35158403eb914dfbf3738d80ffa35475c7ad0f73da975221a0c049649b107

    • C:\ProgramData\Package Cache\xkefqne
      Filesize

      654B

      MD5

      4e4b1505e29d7ffb28828b56d01ff9c4

      SHA1

      aa98cec0d4a274e92b74c94cd66940eb5e5b7e33

      SHA256

      26a9783462787f3db770151e88eb8933733b18f7595f7d3a508c5ba7b285b6ac

      SHA512

      1d96144f90e2e38418b7c7ee4ab2fe453ded1d1c01dfcc3d54ae329c784dc834c2a35158403eb914dfbf3738d80ffa35475c7ad0f73da975221a0c049649b107

    • C:\Users\Admin\AppData\Local\Temp\nsm2AEA.tmp\kiosk.dll
      Filesize

      66KB

      MD5

      92ffa507f5b3d9ae074c20894b724629

      SHA1

      99af0b89d400cfc7bbea381471d01f2599eb55a3

      SHA256

      5aae1e7c174883e0ebd0220d8d5e897fc5fac10c4f86a1ad009640e24a6ae7c1

      SHA512

      22192058ec654db53ed026dcbf568489315478c765ab6fd8f74304ca46019f5ce2272fff4bfaaabf8d49fbb02b7511812da40ee8211b60da508a4a980fa3641b

    • C:\Users\Admin\AppData\Local\Temp\xlobkpb.exe
      Filesize

      748KB

      MD5

      233f3620139e38ec5ae44f2ea73b2122

      SHA1

      4e582a1411167b7eb59633fe3102c4c1cd19b92f

      SHA256

      0e4893b6d43728b8d7b9c1483ac5aa03eaa2be552963703369461bb77e653303

      SHA512

      76764469bf253fe56a8c9d543ce327b4bdb60a058041dcd97ceebc9d47999e47221326315d7616fb04dd19376ed64a7857f6f06ce7fa7fbcb841873044262593

    • C:\Users\Admin\AppData\Local\Temp\xlobkpb.exe
      Filesize

      748KB

      MD5

      233f3620139e38ec5ae44f2ea73b2122

      SHA1

      4e582a1411167b7eb59633fe3102c4c1cd19b92f

      SHA256

      0e4893b6d43728b8d7b9c1483ac5aa03eaa2be552963703369461bb77e653303

      SHA512

      76764469bf253fe56a8c9d543ce327b4bdb60a058041dcd97ceebc9d47999e47221326315d7616fb04dd19376ed64a7857f6f06ce7fa7fbcb841873044262593

    • C:\Users\Admin\AppData\Local\Temp\xlobkpb.exe
      Filesize

      748KB

      MD5

      233f3620139e38ec5ae44f2ea73b2122

      SHA1

      4e582a1411167b7eb59633fe3102c4c1cd19b92f

      SHA256

      0e4893b6d43728b8d7b9c1483ac5aa03eaa2be552963703369461bb77e653303

      SHA512

      76764469bf253fe56a8c9d543ce327b4bdb60a058041dcd97ceebc9d47999e47221326315d7616fb04dd19376ed64a7857f6f06ce7fa7fbcb841873044262593

    • C:\Windows\Temp\nsuDE4C.tmp\kiosk.dll
      Filesize

      66KB

      MD5

      92ffa507f5b3d9ae074c20894b724629

      SHA1

      99af0b89d400cfc7bbea381471d01f2599eb55a3

      SHA256

      5aae1e7c174883e0ebd0220d8d5e897fc5fac10c4f86a1ad009640e24a6ae7c1

      SHA512

      22192058ec654db53ed026dcbf568489315478c765ab6fd8f74304ca46019f5ce2272fff4bfaaabf8d49fbb02b7511812da40ee8211b60da508a4a980fa3641b

    • memory/324-142-0x0000000000000000-mapping.dmp
    • memory/324-147-0x00000000008C0000-0x0000000000B0B000-memory.dmp
      Filesize

      2.3MB

    • memory/796-148-0x000000000C210000-0x000000000C287000-memory.dmp
      Filesize

      476KB

    • memory/5080-138-0x00000000009A0000-0x0000000000BEB000-memory.dmp
      Filesize

      2.3MB

    • memory/5080-137-0x0000000000400000-0x00000000004A4600-memory.dmp
      Filesize

      657KB

    • memory/5080-136-0x0000000000780000-0x000000000099A000-memory.dmp
      Filesize

      2.1MB

    • memory/5080-134-0x0000000000400000-0x00000000004A5000-memory.dmp
      Filesize

      660KB

    • memory/5080-133-0x0000000000000000-mapping.dmp