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
    22-02-2023 08:06

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General

  • Target

    1af3b850a3f5413a98994c570aadebd894378dc728deaf1144a6e5f5b17823ae.exe

  • Size

    312KB

  • MD5

    6c1df3b53f468f844558955948efd519

  • SHA1

    0b2368cf53281fd0c11115ce01f02b062ec42a16

  • SHA256

    1af3b850a3f5413a98994c570aadebd894378dc728deaf1144a6e5f5b17823ae

  • SHA512

    a8d003a9beeec13fa9326babbce56adc243ad4312283ca3a5491d945908ab285d3b50f2ce8e2d03c79bc4db7e9aa786eb1192769ef3443a615d858ce532f892b

  • SSDEEP

    6144:E4PWLN3m+XeeqeO0UQeQ8KbLVHqAQg5jIQsrEPn:6aeqeO0UQB8KFHqAYrEPn

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 8 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:340
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1140
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Schedule
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:956
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Themes
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1252
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s UserManager
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1332
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s SENS
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1452
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1924
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2380
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2420
  • 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:2556
    • 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:4208
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2636
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2652
  • C:\Users\Admin\AppData\Local\Temp\1af3b850a3f5413a98994c570aadebd894378dc728deaf1144a6e5f5b17823ae.exe
    "C:\Users\Admin\AppData\Local\Temp\1af3b850a3f5413a98994c570aadebd894378dc728deaf1144a6e5f5b17823ae.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3900
    • C:\Users\Admin\AppData\Local\Temp\1af3b850a3f5413a98994c570aadebd894378dc728deaf1144a6e5f5b17823ae.exe
      "C:\Users\Admin\AppData\Local\Temp\1af3b850a3f5413a98994c570aadebd894378dc728deaf1144a6e5f5b17823ae.exe" -h
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3484
  • 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:2016

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    557KB

    MD5

    59da5860d9d5fdc3a347cc7d14ad7dd2

    SHA1

    40f46baac673a592db91637f2bbd989ece8719c3

    SHA256

    f670b8940d6c65d4cd09107b3663ea79d7811446153e39f1fc02223680bdfaaf

    SHA512

    c878fd46c6be06557789612d5775240b9d9056057fee991c5ac8614c71d48da475a8e465aa4eb315df414e892dbd978b50d0b5fa727332053b013e07f032d063

    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/340-158-0x0000016549970000-0x00000165499E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/340-135-0x0000016549970000-0x00000165499E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/956-170-0x000002303DC40000-0x000002303DCB2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/956-213-0x000002303DC40000-0x000002303DCB2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1140-212-0x00000287CAD60000-0x00000287CADD2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1140-163-0x00000287CAD60000-0x00000287CADD2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1252-189-0x000001F2585D0000-0x000001F258642000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1252-218-0x000001F2585D0000-0x000001F258642000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1332-196-0x0000019D56D10000-0x0000019D56D82000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1332-220-0x0000019D56D10000-0x0000019D56D82000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1452-215-0x000001F619980000-0x000001F6199F2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1452-176-0x000001F619980000-0x000001F6199F2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1924-183-0x0000020EF89B0000-0x0000020EF8A22000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1924-217-0x0000020EF89B0000-0x0000020EF8A22000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2016-153-0x0000000004B10000-0x0000000004B6E000-memory.dmp

    Filesize

    376KB

    Download

  • memory/2016-214-0x0000000004B10000-0x0000000004B6E000-memory.dmp

    Filesize

    376KB

    Download

  • memory/2016-151-0x0000000004BC0000-0x0000000004CC5000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/2380-152-0x000001EF3D770000-0x000001EF3D7E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2380-200-0x000001EF3D770000-0x000001EF3D7E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2420-160-0x000001F43DC50000-0x000001F43DCC2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2420-144-0x000001F43DC50000-0x000001F43DCC2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2556-124-0x00000224D2460000-0x00000224D24AD000-memory.dmp

    Filesize

    308KB

    Download

  • memory/2556-155-0x00000224D2880000-0x00000224D28F2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2556-127-0x00000224D2880000-0x00000224D28F2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2556-129-0x00000224D2460000-0x00000224D24AD000-memory.dmp

    Filesize

    308KB

    Download

  • memory/2636-203-0x000001BB6BF50000-0x000001BB6BFC2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2636-221-0x000001BB6BF50000-0x000001BB6BFC2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2652-223-0x000001764D250000-0x000001764D2C2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2652-209-0x000001764D250000-0x000001764D2C2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/4208-229-0x0000017BBD550000-0x0000017BBD5C2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/4208-157-0x0000017BBD550000-0x0000017BBD5C2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/4208-147-0x0000017BBD550000-0x0000017BBD5C2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/4208-136-0x0000017BBD550000-0x0000017BBD5C2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/4208-239-0x0000017BBD5D0000-0x0000017BBD5EB000-memory.dmp

    Filesize

    108KB

    Download

  • memory/4208-240-0x0000017BBFA90000-0x0000017BBFB9A000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/4208-242-0x0000017BBEEE0000-0x0000017BBEEFB000-memory.dmp

    Filesize

    108KB

    Download

  • memory/4208-241-0x0000017BBEEA0000-0x0000017BBEEC0000-memory.dmp

    Filesize

    128KB

    Download

  • memory/4208-264-0x0000017BBD5D0000-0x0000017BBD5EB000-memory.dmp

    Filesize

    108KB

    Download

  • memory/4208-265-0x0000017BBFA90000-0x0000017BBFB9A000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/4208-266-0x0000017BBEEA0000-0x0000017BBEEC0000-memory.dmp

    Filesize

    128KB

    Download

  • memory/4208-267-0x0000017BBEEE0000-0x0000017BBEEFB000-memory.dmp

    Filesize

    108KB

    Download