Resubmissions

15-10-2022 22:26

221015-2ckbtagec3 8

15-10-2022 22:06

221015-1z52csgcgk 7

Analysis

  • max time kernel
    567s
  • max time network
    444s
  • platform
    windows10-1703_x64
  • resource
    win10-20220812-de
  • resource tags

    arch:x64arch:x86image:win10-20220812-delocale:de-deos:windows10-1703-x64systemwindows
  • submitted
    15-10-2022 22:26

General

  • Target

    9ed0f76449bbc6d5d6db12dfc527740c072436c4379248855729321032d91bb7.exe

  • Size

    162KB

  • MD5

    b08793eadfa6dd535f68e4f67c43e5c0

  • SHA1

    f952c86957f37022ce8ba1cab0c02fb262b74f76

  • SHA256

    9ed0f76449bbc6d5d6db12dfc527740c072436c4379248855729321032d91bb7

  • SHA512

    62ad843c1c98dd270bddba6ff73022e2eae00ff5fcebb93b51e1b63da21fc1ae3124e11c063c655e8c3a13dda070bc25c9db20efbda556a397a294f49a9b3f63

  • SSDEEP

    3072:fnhp3kRaJdl8kLz7AuICdiRgrJpBPEg/GXib7VkR4OatVj:f3audlbcdRKJpBPEg/GXib6i

Malware Config

Signatures

  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Checks installed software on the system 1 TTPs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Creates scheduled task(s) 1 TTPs 3 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ed0f76449bbc6d5d6db12dfc527740c072436c4379248855729321032d91bb7.exe
    "C:\Users\Admin\AppData\Local\Temp\9ed0f76449bbc6d5d6db12dfc527740c072436c4379248855729321032d91bb7.exe"
    1⤵
    • Checks processor information in registry
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4064
    • C:\Users\Admin\AppData\Roaming\loader.exe
      "C:\Users\Admin\AppData\Roaming\loader.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:4216
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 5 /tn "Event Viewer Snap-in Launcher (29762912)" /tr "C:\Users\Admin\AppData\Roaming\EventViewer\eventvwr.exe"
        3⤵
        • Creates scheduled task(s)
        PID:3760
      • C:\Windows\SysWOW64\schtasks.exe
        /C /Query /XML /TN "Event Viewer Snap-in Launcher (29762912)"
        3⤵
          PID:4192
        • C:\Windows\SysWOW64\schtasks.exe
          /C /create /F /tn "Event Viewer Snap-in Launcher (29762912)" /XML "C:\Users\Admin\AppData\Roaming\EventViewer\tfnme73946158264.tmp"
          3⤵
          • Creates scheduled task(s)
          PID:4884
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 584
          3⤵
          • Program crash
          PID:4704
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4216 -s 540
          3⤵
          • Program crash
          PID:3348
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /C timeout 5 & del "C:\Users\Admin\AppData\Local\Temp\9ed0f76449bbc6d5d6db12dfc527740c072436c4379248855729321032d91bb7.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4276
        • C:\Windows\SysWOW64\timeout.exe
          timeout 5
          3⤵
          • Delays execution with timeout.exe
          PID:1884
    • C:\Users\Admin\AppData\Roaming\EventViewer\eventvwr.exe
      C:\Users\Admin\AppData\Roaming\EventViewer\eventvwr.exe
      1⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1056
      • C:\Windows\SysWOW64\schtasks.exe
        /C /create /F /sc minute /mo 5 /tn "Event Viewer Snap-in Launcher (29762912)" /tr "C:\Users\Admin\AppData\Roaming\EventViewer\eventvwr.exe"
        2⤵
        • Creates scheduled task(s)
        PID:1196

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Execution

    Scheduled Task

    1
    T1053

    Persistence

    Scheduled Task

    1
    T1053

    Privilege Escalation

    Scheduled Task

    1
    T1053

    Credential Access

    Credentials in Files

    1
    T1081

    Discovery

    Query Registry

    2
    T1012

    System Information Discovery

    2
    T1082

    Collection

    Data from Local System

    1
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Roaming\EventViewer\eventvwr.exe
      Filesize

      6.2MB

      MD5

      2cf2c546825c42498eb5f0ff93cb773f

      SHA1

      ef1e8cb09aac78ff6b74be74d990611660a91b93

      SHA256

      8cb3436421ea4ccd17961ce733368eaa06f64d37bfee8f171eb7065092e0d3b4

      SHA512

      b808c1fa00e6f585906725271ae5eb6e1c31ac0b2264d9247ab2d56727510bf7df33fd827ef0564b01afe5b79a17995d7e1dbb9c8f510b2e2b21cf06d6cdb283

    • C:\Users\Admin\AppData\Roaming\EventViewer\eventvwr.exe
      Filesize

      6.2MB

      MD5

      2cf2c546825c42498eb5f0ff93cb773f

      SHA1

      ef1e8cb09aac78ff6b74be74d990611660a91b93

      SHA256

      8cb3436421ea4ccd17961ce733368eaa06f64d37bfee8f171eb7065092e0d3b4

      SHA512

      b808c1fa00e6f585906725271ae5eb6e1c31ac0b2264d9247ab2d56727510bf7df33fd827ef0564b01afe5b79a17995d7e1dbb9c8f510b2e2b21cf06d6cdb283

    • C:\Users\Admin\AppData\Roaming\loader.exe
      Filesize

      6.2MB

      MD5

      2cf2c546825c42498eb5f0ff93cb773f

      SHA1

      ef1e8cb09aac78ff6b74be74d990611660a91b93

      SHA256

      8cb3436421ea4ccd17961ce733368eaa06f64d37bfee8f171eb7065092e0d3b4

      SHA512

      b808c1fa00e6f585906725271ae5eb6e1c31ac0b2264d9247ab2d56727510bf7df33fd827ef0564b01afe5b79a17995d7e1dbb9c8f510b2e2b21cf06d6cdb283

    • C:\Users\Admin\AppData\Roaming\loader.exe
      Filesize

      6.2MB

      MD5

      2cf2c546825c42498eb5f0ff93cb773f

      SHA1

      ef1e8cb09aac78ff6b74be74d990611660a91b93

      SHA256

      8cb3436421ea4ccd17961ce733368eaa06f64d37bfee8f171eb7065092e0d3b4

      SHA512

      b808c1fa00e6f585906725271ae5eb6e1c31ac0b2264d9247ab2d56727510bf7df33fd827ef0564b01afe5b79a17995d7e1dbb9c8f510b2e2b21cf06d6cdb283

    • memory/1056-372-0x0000000000070000-0x00000000009F0000-memory.dmp
      Filesize

      9.5MB

    • memory/1196-353-0x0000000000000000-mapping.dmp
    • memory/1884-240-0x0000000000000000-mapping.dmp
    • memory/3760-281-0x0000000000000000-mapping.dmp
    • memory/4064-151-0x0000000073B10000-0x00000000740C0000-memory.dmp
      Filesize

      5.7MB

    • memory/4064-125-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-122-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-123-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-126-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-155-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-124-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-128-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-127-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-129-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-156-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-131-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-132-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-133-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-134-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-135-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-136-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-137-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-138-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-139-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-140-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-141-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-142-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-143-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-144-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-145-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-146-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-147-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-148-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-154-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-120-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-150-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-152-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-153-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-149-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-121-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-130-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-157-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-158-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-159-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-160-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-161-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-162-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-163-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-164-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-165-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-166-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-167-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-168-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-169-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-170-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-171-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-172-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-173-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-174-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-175-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-176-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-177-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-178-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-179-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-180-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-230-0x0000000073B10000-0x00000000740C0000-memory.dmp
      Filesize

      5.7MB

    • memory/4064-116-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-117-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-118-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4064-119-0x0000000077790000-0x000000007791E000-memory.dmp
      Filesize

      1.6MB

    • memory/4192-301-0x0000000000000000-mapping.dmp
    • memory/4216-299-0x0000000000B60000-0x00000000014E0000-memory.dmp
      Filesize

      9.5MB

    • memory/4216-214-0x0000000000000000-mapping.dmp
    • memory/4276-222-0x0000000000000000-mapping.dmp