Overview

overview

10

Static

static

1

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Analysis

  • max time kernel
    300s
  • max time network
    182s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    06-03-2023 22:23

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General

  • Target

    ad716b9b395d65dca7a31117215c2adedf392162eab7beee500f8061db4785c0.exe

  • Size

    308KB

  • MD5

    6bbbf2b1e89ed9d3b1bba44fc9acec53

  • SHA1

    bb6b962ba30a55a9cbb87030bdd282223e42a48d

  • SHA256

    ad716b9b395d65dca7a31117215c2adedf392162eab7beee500f8061db4785c0

  • SHA512

    a7651ba72b4b45f3f4a7901412d1d3b41f8847fd59b15b9a61092cb9a2c4bc38aa1a2d274b549e49608e70b4ff1f4ab120a814e1fd5cffe7dd8d1a644aa737a0

  • SSDEEP

    6144:bOsY+HgEiTA14Xn0Ti8v1bbFgXIQdjrfzNt1sEP3:i814Xn0Ti8tbJyIQdjrfzCEP3

Score
10/10
pseudomanuscryptloader

Malware Config

Signatures

  • Detects PseudoManuscrypt payload 29 IoCs
    loader
  • Process spawned unexpected child process 1 IoCs

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

  • PseudoManuscrypt

    PseudoManuscrypt is a malware Lazarus’s Manuscrypt targeting government organizations and ICS.

    loaderpseudomanuscrypt
  • Loads dropped DLL 1 IoCs
  • Unexpected DNS network traffic destination 1 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Drops file in System32 directory 6 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 16 IoCs
  • Modifies registry class 22 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 37 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1008
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Schedule
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:952
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2652
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2644
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Browser
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2572
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k WspService
      2⤵
      • Drops file in System32 directory
      • Checks processor information in registry
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • Suspicious behavior: GetForegroundWindowSpam
      PID:2680
  • C:\Users\Admin\AppData\Local\Temp\ad716b9b395d65dca7a31117215c2adedf392162eab7beee500f8061db4785c0.exe
    "C:\Users\Admin\AppData\Local\Temp\ad716b9b395d65dca7a31117215c2adedf392162eab7beee500f8061db4785c0.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4104
    • C:\Users\Admin\AppData\Local\Temp\ad716b9b395d65dca7a31117215c2adedf392162eab7beee500f8061db4785c0.exe
      "C:\Users\Admin\AppData\Local\Temp\ad716b9b395d65dca7a31117215c2adedf392162eab7beee500f8061db4785c0.exe" -h
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4124
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2364
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2328
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1884
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s SENS
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1424
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s UserManager
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1256
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Themes
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1196
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1084
  • C:\Windows\system32\rundll32.exe
    rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
    1⤵
    • Process spawned unexpected child process
    • Suspicious use of WriteProcessMemory
    PID:2108
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe "C:\Users\Admin\AppData\Local\Temp\db.dll",open
      2⤵
      • Loads dropped DLL
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:372

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\db.dat
    Filesize

    557KB

    MD5

    30d5f615722d12fdda4f378048221909

    SHA1

    e94e3e3a6fae8b29f0f80128761ad1b69304a7eb

    SHA256

    b7cb464cd0c61026ec38d89c0a041393bc9369e217303677551eec65a09d2628

    SHA512

    a561a224d7228ec531a966c7dbd6bc88138e2f4a1c8112e5950644f69bf3a43b1e87e03bc1b4fd5e9ca071b5a9353b18697573404602ccd51f2946faf95144c2

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\db.dll
    Filesize

    52KB

    MD5

    1b20e998d058e813dfc515867d31124f

    SHA1

    c9dc9c42a748af18ae1a8c882b90a2b9e3313e6f

    SHA256

    24a53033a2e89acf65f6a5e60d35cb223585817032635e81bf31264eb7dabd00

    SHA512

    79849fbdb9a9e7f7684b570d14662448b093b8aa2b23dfd95856db3a78faf75a95d95c51b8aa8506c4fbecffebcc57cd153dda38c830c05b8cd38629fae673c6

    Download Submit

  • \Users\Admin\AppData\Local\Temp\db.dll
    Filesize

    52KB

    MD5

    1b20e998d058e813dfc515867d31124f

    SHA1

    c9dc9c42a748af18ae1a8c882b90a2b9e3313e6f

    SHA256

    24a53033a2e89acf65f6a5e60d35cb223585817032635e81bf31264eb7dabd00

    SHA512

    79849fbdb9a9e7f7684b570d14662448b093b8aa2b23dfd95856db3a78faf75a95d95c51b8aa8506c4fbecffebcc57cd153dda38c830c05b8cd38629fae673c6

    Download Submit

  • memory/372-213-0x00000000046B0000-0x000000000470E000-memory.dmp

    Filesize

    376KB

    Download

  • memory/372-156-0x00000000046B0000-0x000000000470E000-memory.dmp

    Filesize

    376KB

    Download

  • memory/372-154-0x0000000001130000-0x0000000001237000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/952-171-0x0000023809670000-0x00000238096E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/952-215-0x0000023809670000-0x00000238096E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1008-133-0x000001ECF5770000-0x000001ECF57E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1008-160-0x000001ECF5770000-0x000001ECF57E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1084-214-0x000001A2599A0000-0x000001A259A12000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1084-162-0x000001A2599A0000-0x000001A259A12000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1196-191-0x0000023A60940000-0x0000023A609B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1196-218-0x0000023A60940000-0x0000023A609B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1256-219-0x00000231EDE70000-0x00000231EDEE2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1256-197-0x00000231EDE70000-0x00000231EDEE2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1424-216-0x000001CA2C380000-0x000001CA2C3F2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1424-178-0x000001CA2C380000-0x000001CA2C3F2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1884-217-0x0000026C7C360000-0x0000026C7C3D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1884-184-0x0000026C7C360000-0x0000026C7C3D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2328-163-0x0000022D02500000-0x0000022D02572000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2328-144-0x0000022D02500000-0x0000022D02572000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2364-166-0x00000262DA010000-0x00000262DA082000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2364-151-0x00000262DA010000-0x00000262DA082000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2572-129-0x000001E47BDA0000-0x000001E47BDED000-memory.dmp

    Filesize

    308KB

    Download

  • memory/2572-158-0x000001E47C700000-0x000001E47C772000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2572-124-0x000001E47BDA0000-0x000001E47BDED000-memory.dmp

    Filesize

    308KB

    Download

  • memory/2572-127-0x000001E47C700000-0x000001E47C772000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2644-204-0x00000213B3040000-0x00000213B30B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2644-220-0x00000213B3040000-0x00000213B30B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2652-221-0x00000297B7710000-0x00000297B7782000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2652-210-0x00000297B7710000-0x00000297B7782000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2680-137-0x000001C7E5740000-0x000001C7E57B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2680-149-0x000001C7E5740000-0x000001C7E57B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2680-161-0x000001C7E5740000-0x000001C7E57B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2680-229-0x000001C7E5740000-0x000001C7E57B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2680-240-0x000001C7E54D0000-0x000001C7E54EB000-memory.dmp

    Filesize

    108KB

    Download

  • memory/2680-241-0x000001C7E7D00000-0x000001C7E7E0B000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/2680-242-0x000001C7E6F60000-0x000001C7E6F80000-memory.dmp

    Filesize

    128KB

    Download

  • memory/2680-243-0x000001C7E6FB0000-0x000001C7E6FCB000-memory.dmp

    Filesize

    108KB

    Download

  • memory/2680-261-0x000001C7E7D00000-0x000001C7E7E0B000-memory.dmp

    Filesize

    1.0MB

    Download