Overview

overview

10

Static

static

10

2bba09d1e4...59.exe

windows7-x64

9

2bba09d1e4...59.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    139s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28/01/2024, 22:35

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General

  • Target

    2bba09d1e43a790c34a960b1dc0339852d994fe857739a7389d52c395a0f0559.exe

  • Size

    99KB

  • MD5

    7894d779048b517e4c508ac2bd26f04a

  • SHA1

    e8c1e8524523b1af7fba4419dc4ab9bd849506f6

  • SHA256

    615014133572a4df7a558c296e6f29fc7a0755f6065af0ac47f41a823b3b2895

  • SHA512

    c174107b7d75ae46b9675562c9ee67dbd074fa5cf98162340d064815cbc98798a26ac2e026756813b83047743f8ca6e2626f1dcd41a68043db009fe079b8bfc7

  • SSDEEP

    1536:jIj4cC6XEL1h8vJPW80Z/mS0ZTEk2PNzBTvLFKb1sWDYwN1UA6hA37n:qJa1iQMTEk2PNzOsnwd6hA

Score
9/10
ransomwareupx

Malware Config

Signatures

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

    ransomware
  • Detects command variations typically used by ransomware 9 IoCs
  • Detects executables containing many references to VEEAM. Observed in ransomware 9 IoCs
  • Detects executables referencing many IR and analysis tools 9 IoCs
  • Renames multiple (646) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

    ransomware
  • UPX dump on OEP (original entry point) 10 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • UPX packed file 10 IoCs

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

    upx
  • Drops desktop.ini file(s) 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Modifies boot configuration data using bcdedit 4 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
    ransomware
  • Enumerates physical storage devices 1 TTPs

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

  • Interacts with shadow copies 2 TTPs 2 IoCs

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

    ransomware
  • Modifies Control Panel 2 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

    ransomware

Processes

  • C:\Users\Admin\AppData\Local\Temp\2bba09d1e43a790c34a960b1dc0339852d994fe857739a7389d52c395a0f0559.exe
    "C:\Users\Admin\AppData\Local\Temp\2bba09d1e43a790c34a960b1dc0339852d994fe857739a7389d52c395a0f0559.exe"
    1⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Enumerates connected drives
    • Sets desktop wallpaper using registry
    • Modifies Control Panel
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:3808
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2628
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:1808
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1044
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic SHADOWCOPY DELETE
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:2844
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2092
      • C:\Windows\system32\bcdedit.exe
        bcdedit / set{ default } recoveryenabled No
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:4688
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:4756
      • C:\Windows\system32\bcdedit.exe
        bcdedit / set{ default } bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:3472
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c vssadmin.exe delete shadows /all /quiet
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1608
      • C:\Windows\system32\vssadmin.exe
        vssadmin.exe delete shadows /all /quiet
        3⤵
        • Interacts with shadow copies
        PID:4108
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c wmic SHADOWCOPY DELETE
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:288
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic SHADOWCOPY DELETE
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:904
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } recoveryenabled No
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1092
      • C:\Windows\system32\bcdedit.exe
        bcdedit / set{ default } recoveryenabled No
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:5108
    • C:\Windows\System32\cmd.exe
      "C:\Windows\System32\cmd.exe" /c bcdedit / set{ default } bootstatuspolicy ignoreallfailures
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3256
      • C:\Windows\system32\bcdedit.exe
        bcdedit / set{ default } bootstatuspolicy ignoreallfailures
        3⤵
        • Modifies boot configuration data using bcdedit
        PID:2408
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:3372
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
    1⤵
      PID:4564

    Network

          MITRE ATT&CK Enterprise v15

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          Downloads

          • C:\ProgramData\Adobe\Setup\WhatHappened.txt
            Filesize

            1KB

            MD5

            b05e32b7e78e82f01f6f0c7d1411ee67

            SHA1

            2e1dda46f8561858b378d19a24b839062f794274

            SHA256

            f058bc2a88431119f286f2708751f25449dc1d58e1c87de3bb38aff764c814a8

            SHA512

            6cb7c842a48b9f982ac87280ded95e206e2b9055f9f51ea84f6060470a61a35decbb688650c0d6b7c318df018078af0c0a1afe0ce65db1b460d75ae7800e2d3c

            Download Submit

          • memory/3808-0-0x00007FF7C17B0000-0x00007FF7C17F2000-memory.dmp

            Filesize

            264KB

            Download

          • memory/3808-117-0x00007FF7C17B0000-0x00007FF7C17F2000-memory.dmp

            Filesize

            264KB

            Download

          • memory/3808-495-0x00007FF7C17B0000-0x00007FF7C17F2000-memory.dmp

            Filesize

            264KB

            Download

          • memory/3808-830-0x00007FF7C17B0000-0x00007FF7C17F2000-memory.dmp

            Filesize

            264KB

            Download

          • memory/3808-986-0x00007FF7C17B0000-0x00007FF7C17F2000-memory.dmp

            Filesize

            264KB

            Download

          • memory/3808-1152-0x00007FF7C17B0000-0x00007FF7C17F2000-memory.dmp

            Filesize

            264KB

            Download

          • memory/3808-1331-0x00007FF7C17B0000-0x00007FF7C17F2000-memory.dmp

            Filesize

            264KB

            Download

          • memory/3808-1358-0x00007FF7C17B0000-0x00007FF7C17F2000-memory.dmp

            Filesize

            264KB

            Download

          • memory/3808-1418-0x00007FF7C17B0000-0x00007FF7C17F2000-memory.dmp

            Filesize

            264KB

            Download

          • memory/3808-1512-0x00007FF7C17B0000-0x00007FF7C17F2000-memory.dmp

            Filesize

            264KB

            Download