Overview

overview

10

Static

static

1

dridex

windows10-1703-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    10-03-2023 06:47

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General

  • Target

    5bd7723819bc4c3a163cccae6d6484edc486732e902303e929656a32cf26eba7.exe

  • Size

    328KB

  • MD5

    ed4b060cf9d2306fbabfa86a55c9c053

  • SHA1

    b83b62e4fd5c1dd477139e4980b5ad18c733f427

  • SHA256

    5bd7723819bc4c3a163cccae6d6484edc486732e902303e929656a32cf26eba7

  • SHA512

    f51d93e1958ec29e5722e17d0f17b4e1e6bbf4ffb8e60593671fb63e25a91622123dc6c5a647e8a489cdc88cc43fb10bc23b484aed0421b6ad73f9e6a653d71e

  • SSDEEP

    6144:evSBanJK/5kPas8N0HEAAf1vbViarAWbd33MEPT:evjas8uHEAAtvBpkZEPT

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 4 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 64 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:400
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s UserManager
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1364
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2524
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2508
  • 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:2416
    • 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:984
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2256
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2240
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1896
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s SENS
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1472
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Themes
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1292
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1108
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Schedule
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1044
  • C:\Users\Admin\AppData\Local\Temp\5bd7723819bc4c3a163cccae6d6484edc486732e902303e929656a32cf26eba7.exe
    "C:\Users\Admin\AppData\Local\Temp\5bd7723819bc4c3a163cccae6d6484edc486732e902303e929656a32cf26eba7.exe"
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2896
    • C:\Users\Admin\AppData\Local\Temp\5bd7723819bc4c3a163cccae6d6484edc486732e902303e929656a32cf26eba7.exe
      "C:\Users\Admin\AppData\Local\Temp\5bd7723819bc4c3a163cccae6d6484edc486732e902303e929656a32cf26eba7.exe" -h
      2⤵
      • Modifies registry class
      • Suspicious use of SetWindowsHookEx
      PID:4092
  • 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:2632
    • 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:2652

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    557KB

    MD5

    819ae848dc8b172ef0db45a423cc4024

    SHA1

    e78a66524da011216a63d9936bd4b22b9d0335d2

    SHA256

    1213515bf29bf5dbedd80835b8cf1310b952525fcc716faf0b3d602930cacf24

    SHA512

    a8fe171c6edc22ee62999c70167a9d904d5d94a50e9dca7a7240dbd6a14b0e684fc19d5bc99dfbd3a82bdf8ccb62f6144a8b310f77432224631ac428ded0b084

    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/400-137-0x000001E5BDCC0000-0x000001E5BDD32000-memory.dmp
    Filesize

    456KB

    Download
  • memory/400-174-0x000001E5BDCC0000-0x000001E5BDD32000-memory.dmp
    Filesize

    456KB

    Download
  • memory/984-248-0x0000027905500000-0x000002790560B000-memory.dmp
    Filesize

    1.0MB

    Download
  • memory/984-260-0x0000027905500000-0x000002790560B000-memory.dmp
    Filesize

    1.0MB

    Download
  • memory/984-247-0x0000027902E90000-0x0000027902EAB000-memory.dmp
    Filesize

    108KB

    Download
  • memory/984-249-0x0000027902EB0000-0x0000027902ED0000-memory.dmp
    Filesize

    128KB

    Download
  • memory/984-231-0x0000027903000000-0x0000027903072000-memory.dmp
    Filesize

    456KB

    Download
  • memory/984-143-0x0000027903000000-0x0000027903072000-memory.dmp
    Filesize

    456KB

    Download
  • memory/984-177-0x0000027903000000-0x0000027903072000-memory.dmp
    Filesize

    456KB

    Download
  • memory/984-151-0x0000027903000000-0x0000027903072000-memory.dmp
    Filesize

    456KB

    Download
  • memory/984-250-0x0000027904820000-0x000002790483B000-memory.dmp
    Filesize

    108KB

    Download
  • memory/1044-169-0x000001E107AB0000-0x000001E107B22000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1044-185-0x000001E107AB0000-0x000001E107B22000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1108-162-0x0000021259DD0000-0x0000021259E42000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1108-184-0x0000021259DD0000-0x0000021259E42000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1292-222-0x00000293BA080000-0x00000293BA0F2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1292-198-0x00000293BA080000-0x00000293BA0F2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1364-223-0x000001B23ED70000-0x000001B23EDE2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1364-204-0x000001B23ED70000-0x000001B23EDE2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1472-178-0x0000015254AD0000-0x0000015254B42000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1472-213-0x0000015254AD0000-0x0000015254B42000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1896-221-0x00000276325C0000-0x0000027632632000-memory.dmp
    Filesize

    456KB

    Download
  • memory/1896-189-0x00000276325C0000-0x0000027632632000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2240-181-0x00000153A8C40000-0x00000153A8CB2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2240-156-0x00000153A8C40000-0x00000153A8CB2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2256-180-0x0000017B1F200000-0x0000017B1F272000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2256-149-0x0000017B1F200000-0x0000017B1F272000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2416-126-0x00000181CE100000-0x00000181CE14D000-memory.dmp
    Filesize

    308KB

    Download
  • memory/2416-131-0x00000181CE100000-0x00000181CE14D000-memory.dmp
    Filesize

    308KB

    Download
  • memory/2416-129-0x00000181CE960000-0x00000181CE9D2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2416-138-0x00000181CE960000-0x00000181CE9D2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2508-210-0x000001D1B1950000-0x000001D1B19C2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2508-224-0x000001D1B1950000-0x000001D1B19C2000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2524-217-0x00000169DFF20000-0x00000169DFF92000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2524-225-0x00000169DFF20000-0x00000169DFF92000-memory.dmp
    Filesize

    456KB

    Download
  • memory/2652-220-0x0000000004D30000-0x0000000004D8E000-memory.dmp
    Filesize

    376KB

    Download
  • memory/2652-133-0x0000000004C10000-0x0000000004D16000-memory.dmp
    Filesize

    1.0MB

    Download
  • memory/2652-136-0x0000000004D30000-0x0000000004D8E000-memory.dmp
    Filesize

    376KB

    Download