Overview

overview

10

Static

static

1

winprofile

windows7-x64

10

winprofile

windows10-1703-x64

10

Analysis

  • max time kernel
    299s
  • max time network
    185s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    25-02-2023 22:26

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    4ca6df75008045a45e441869a4389b4ef620df9f89cd5f05fd329d0f9987c822.exe

  • Size

    312KB

  • MD5

    eb7d2add3fe15ee8524a07c2c75bedb9

  • SHA1

    d13c52cd6709f416aefe338922c77bae33a85f31

  • SHA256

    4ca6df75008045a45e441869a4389b4ef620df9f89cd5f05fd329d0f9987c822

  • SHA512

    484f1172d1c0c240a8b3cb7412f41cafc25a6473256d96da4a2ed7657a7606e1a2ae202b4db43e5db180dc3325c3211b524f2d52389bd52452c5f09e2d194701

  • SSDEEP

    6144:E4PWLN3m+XeeqeO0UQeQ8KbLVHqAQg5jIQshEPn:6aeqeO0UQB8KFHqAYhEPn

Score
10/10
pseudomanuscryptloader

Malware Config

Signatures

  • Detects PseudoManuscrypt payload 28 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 7 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 Schedule
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1032
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1192
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Themes
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1228
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:356
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2232
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2392
  • 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:2748
    • 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:4292
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2380
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2252
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1792
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s UserManager
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1404
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s SENS
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1380
  • C:\Users\Admin\AppData\Local\Temp\4ca6df75008045a45e441869a4389b4ef620df9f89cd5f05fd329d0f9987c822.exe
    "C:\Users\Admin\AppData\Local\Temp\4ca6df75008045a45e441869a4389b4ef620df9f89cd5f05fd329d0f9987c822.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4100
    • C:\Users\Admin\AppData\Local\Temp\4ca6df75008045a45e441869a4389b4ef620df9f89cd5f05fd329d0f9987c822.exe
      "C:\Users\Admin\AppData\Local\Temp\4ca6df75008045a45e441869a4389b4ef620df9f89cd5f05fd329d0f9987c822.exe" -h
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:4108
  • 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:4236
    • 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:1436

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

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/356-156-0x00000248EBE00000-0x00000248EBE72000-memory.dmp
    Filesize

    456KB

    Download
  • memory/356-135-0x00000248EBE00000-0x00000248EBE72000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1032-207-0x000002EAA1970000-0x000002EAA19E2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1032-171-0x000002EAA1970000-0x000002EAA19E2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1192-206-0x000001C2AA500000-0x000001C2AA572000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1192-164-0x000001C2AA500000-0x000001C2AA572000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1228-212-0x000002196FA70000-0x000002196FAE2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1228-190-0x000002196FA70000-0x000002196FAE2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1380-209-0x000001EB3FA40000-0x000001EB3FAB2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1380-177-0x000001EB3FA40000-0x000001EB3FAB2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1404-216-0x000001359A040000-0x000001359A0B2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1404-197-0x000001359A040000-0x000001359A0B2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1436-151-0x0000000000EE0000-0x0000000000FE8000-memory.dmp
    Filesize

    1.0MB

    Download
  • memory/1436-222-0x0000000000DE0000-0x0000000000E3E000-memory.dmp
    Filesize

    376KB

    Download
  • memory/1436-153-0x0000000000DE0000-0x0000000000E3E000-memory.dmp
    Filesize

    376KB

    Download
  • memory/1792-184-0x000001F7C5160000-0x000001F7C51D2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1792-210-0x000001F7C5160000-0x000001F7C51D2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2232-145-0x000001C0077A0000-0x000001C007812000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2232-159-0x000001C0077A0000-0x000001C007812000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2252-192-0x000001F0D7E60000-0x000001F0D7ED2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2252-152-0x000001F0D7E60000-0x000001F0D7ED2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2380-203-0x0000023ED5D40000-0x0000023ED5DB2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2380-217-0x0000023ED5D40000-0x0000023ED5DB2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2392-228-0x000001F296C90000-0x000001F296D02000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2392-215-0x000001F296C90000-0x000001F296D02000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2748-129-0x0000010983190000-0x00000109831DD000-memory.dmp
    Filesize

    308KB

    Download
  • memory/2748-155-0x0000010983420000-0x0000010983492000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2748-124-0x0000010983190000-0x00000109831DD000-memory.dmp
    Filesize

    308KB

    Download
  • memory/2748-127-0x0000010983420000-0x0000010983492000-memory.dmp
    Filesize

    456KB

    Download
  • memory/4292-229-0x0000020876E00000-0x0000020876E72000-memory.dmp
    Filesize

    456KB

    Download
  • memory/4292-136-0x0000020876E00000-0x0000020876E72000-memory.dmp
    Filesize

    456KB

    Download
  • memory/4292-143-0x0000020876E00000-0x0000020876E72000-memory.dmp
    Filesize

    456KB

    Download
  • memory/4292-158-0x0000020876E00000-0x0000020876E72000-memory.dmp
    Filesize

    456KB

    Download
  • memory/4292-239-0x0000020878640000-0x000002087865B000-memory.dmp
    Filesize

    108KB

    Download
  • memory/4292-241-0x0000020878E00000-0x0000020878F0A000-memory.dmp
    Filesize

    1.0MB

    Download
  • memory/4292-242-0x0000020878660000-0x0000020878680000-memory.dmp
    Filesize

    128KB

    Download
  • memory/4292-243-0x00000208786B0000-0x00000208786CB000-memory.dmp
    Filesize

    108KB

    Download
  • memory/4292-262-0x0000020878640000-0x000002087865B000-memory.dmp
    Filesize

    108KB

    Download
  • memory/4292-263-0x0000020878E00000-0x0000020878F0A000-memory.dmp
    Filesize

    1.0MB

    Download