Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20220901-en
  • resource tags

    arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 11:57

General

  • Target

    cd6a182636d6726056705ee3cc1a18b1d7f2420b39af1b6cec2baab0b4baed7d.exe

  • Size

    288KB

  • MD5

    508136766c7ea2f26ef44ffd81a63bcb

  • SHA1

    0f7fefc95164729f34722fee9b752627b3236209

  • SHA256

    cd6a182636d6726056705ee3cc1a18b1d7f2420b39af1b6cec2baab0b4baed7d

  • SHA512

    d72736c719264a10b77f33953bb171cdf390ac624d3acfef4da401cd3f711606f43a245ab8e89c5c98512339f8d5002bfb51c3594ca364146cf83215a6f96a82

  • SSDEEP

    6144:Bo/sqyUU6zRcHhF4gXfA7kqtcYngjtlycJey498lY:Bqsq9U6zRcHMgvA7dtcagCHy498lY

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cd6a182636d6726056705ee3cc1a18b1d7f2420b39af1b6cec2baab0b4baed7d.exe
    "C:\Users\Admin\AppData\Local\Temp\cd6a182636d6726056705ee3cc1a18b1d7f2420b39af1b6cec2baab0b4baed7d.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Users\Admin\AppData\Local\Temp\cd6a182636d6726056705ee3cc1a18b1d7f2420b39af1b6cec2baab0b4baed7d.exe
      C:\Users\Admin\AppData\Local\Temp\cd6a182636d6726056705ee3cc1a18b1d7f2420b39af1b6cec2baab0b4baed7d.exe
      2⤵
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:1332
      • C:\Windows\SysWOW64\explorer.exe
        "C:\Windows\system32\explorer.exe"
        3⤵
        • Accesses Microsoft Outlook accounts
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious use of WriteProcessMemory
        • outlook_win_path
        PID:1168
        • C:\Windows\SysWOW64\vssadmin.exe
          vssadmin.exe Delete Shadows /All /Quiet
          4⤵
          • Interacts with shadow copies
          PID:560
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1880

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

Collection

Email Collection

2
T1114

Impact

Inhibit System Recovery

2
T1490

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\uxyjomoreradapof\01000000
    Filesize

    288KB

    MD5

    37775c42b1390dab3cf9319f435ae042

    SHA1

    624048eb8c7549520ae7a59eba82f946ca299e8f

    SHA256

    21dc4258d72c363c39fa8e2cc95a79f6e73b7c13f8fd3264bc2d15568c4aaaa3

    SHA512

    e361af595c405d041f3e60c00d4ba163abba570bea22a21ec7938ccbb10f88775d850521a79a29b3d3ec8c3e98878d80fc40a998850c6330143bb882913d5633

  • memory/560-81-0x0000000000000000-mapping.dmp
  • memory/1168-71-0x00000000000D0000-0x000000000010D000-memory.dmp
    Filesize

    244KB

  • memory/1168-83-0x00000000000D0000-0x000000000010D000-memory.dmp
    Filesize

    244KB

  • memory/1168-82-0x00000000721B1000-0x00000000721B3000-memory.dmp
    Filesize

    8KB

  • memory/1168-80-0x00000000000D0000-0x000000000010D000-memory.dmp
    Filesize

    244KB

  • memory/1168-77-0x0000000074701000-0x0000000074703000-memory.dmp
    Filesize

    8KB

  • memory/1168-75-0x00000000000EADA0-mapping.dmp
  • memory/1168-73-0x00000000000D0000-0x000000000010D000-memory.dmp
    Filesize

    244KB

  • memory/1332-61-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1332-70-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1332-66-0x000000000040A78E-mapping.dmp
  • memory/1332-65-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1332-63-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1332-62-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1332-79-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1332-59-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1332-57-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1332-56-0x0000000000400000-0x000000000043A000-memory.dmp
    Filesize

    232KB

  • memory/1768-67-0x0000000000300000-0x0000000000304000-memory.dmp
    Filesize

    16KB

  • memory/1768-54-0x0000000000220000-0x00000000002CC000-memory.dmp
    Filesize

    688KB

  • memory/1768-55-0x0000000075931000-0x0000000075933000-memory.dmp
    Filesize

    8KB