Analysis

  • max time kernel
    234s
  • max time network
    308s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 10:02

General

  • Target

    fatura_809506887.exe

  • Size

    522KB

  • MD5

    2ad4fc835272034a36a96d49f72bc0c4

  • SHA1

    eef08716315b7fd1fa3b530d1ebcb8bd6fb06fd6

  • SHA256

    c6057c4adb6e6265a768b533e075d8353750fa8090b1e00154e3169fe5bc460a

  • SHA512

    a38a4c4be25f70055519ca93253d45e4dcd400a59d9799a0e41603feae0569512e52b237f3aa70ab97139190fcf90f7a5c86b23e40ca9daeb46a2d1c0f7c39e7

  • SSDEEP

    6144:N6LMUWDqIa6V/Ab/f+4tD7nROEuaRh8YHR51yC9fa2te5gCpWiaXRYCUWw0sLl:cofDT/U/f+4dnGYxn8T9I2Nll

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Interacts with shadow copies 2 TTPs 1 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fatura_809506887.exe
    "C:\Users\Admin\AppData\Local\Temp\fatura_809506887.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:564
    • C:\Users\Admin\AppData\Local\Temp\fatura_809506887.exe
      "C:\Users\Admin\AppData\Local\Temp\fatura_809506887.exe"
      2⤵
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1800
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\system32\explorer.exe"
        3⤵
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        PID:1352
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin.exe Delete Shadows /All /Quiet
          4⤵
          • Interacts with shadow copies
          PID:880
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:676

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

File Deletion

2
T1107

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Impact

Inhibit System Recovery

2
T1490

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\enusihizoxobojag\01000000
    Filesize

    522KB

    MD5

    329ea77825c956d8e7873d223b304773

    SHA1

    8d959e53cad1de4938e3d3a6815069fd941ea2a7

    SHA256

    36e463d7ad76f67a56814e059ca4f146f31e0cba892b52e831237f1fe8487eb6

    SHA512

    4e0d38983edd7676e66acb9ab6b9659d23da5ea8ba520f11078bb7a7cfa44ad0284a4206b27daae940f4a01f059a9c1194ebc61629723ad5656cb12ad596543f

  • memory/564-55-0x0000000000400000-0x0000000001298000-memory.dmp
    Filesize

    14.6MB

  • memory/564-56-0x0000000000400000-0x0000000001298000-memory.dmp
    Filesize

    14.6MB

  • memory/564-54-0x0000000075531000-0x0000000075533000-memory.dmp
    Filesize

    8KB

  • memory/564-70-0x0000000000400000-0x0000000001298000-memory.dmp
    Filesize

    14.6MB

  • memory/880-83-0x0000000000000000-mapping.dmp
  • memory/1352-73-0x0000000000120000-0x000000000015B000-memory.dmp
    Filesize

    236KB

  • memory/1352-84-0x0000000072871000-0x0000000072873000-memory.dmp
    Filesize

    8KB

  • memory/1352-82-0x0000000000120000-0x000000000015B000-memory.dmp
    Filesize

    236KB

  • memory/1352-79-0x0000000074CD1000-0x0000000074CD3000-memory.dmp
    Filesize

    8KB

  • memory/1352-75-0x0000000000120000-0x000000000015B000-memory.dmp
    Filesize

    236KB

  • memory/1352-77-0x0000000000139C80-mapping.dmp
  • memory/1800-57-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/1800-72-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/1800-71-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/1800-68-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/1800-67-0x000000000040A78E-mapping.dmp
  • memory/1800-66-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/1800-81-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/1800-64-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/1800-63-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/1800-62-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB

  • memory/1800-60-0x0000000000400000-0x0000000000439000-memory.dmp
    Filesize

    228KB