Overview

overview

10

Static

static

1

dridex

windows10-1703-x64

10

Analysis

  • max time kernel
    155s
  • max time network
    141s
  • 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

    5b0708551a5c3cf9932c8aea5e890e3f2abe7b7b5911cefebc6155d20692e365.exe

  • Size

    312KB

  • MD5

    dc719929115e50ed4383bcc7f7182be3

  • SHA1

    562e69bdf814c156872fd6ad6a3d0116b0304516

  • SHA256

    5b0708551a5c3cf9932c8aea5e890e3f2abe7b7b5911cefebc6155d20692e365

  • SHA512

    34b1dda47ff7a20052f582f4874dc35f4e768558baf8727419d5f91ec2f8c6e28d2a6bc0253975e6bac5d45edfa1edd09aabc5339d2caade73418b73096b9404

  • SSDEEP

    6144:E4PWLN3m+XeeqeO0UQeQ8KbLVHqAQg5jIQspEPn:6aeqeO0UQB8KFHqAYpEPn

Score
10/10
pseudomanuscryptloader

Malware Config

Signatures

  • Detects PseudoManuscrypt payload 27 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 Browser
    1⤵
    • Suspicious use of SetThreadContext
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2720
    • 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:3616
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2436
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2396
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2236
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2204
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1864
  • 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 UserManager
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1412
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Themes
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1192
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1172
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Schedule
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1052
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:392
  • C:\Users\Admin\AppData\Local\Temp\5b0708551a5c3cf9932c8aea5e890e3f2abe7b7b5911cefebc6155d20692e365.exe
    "C:\Users\Admin\AppData\Local\Temp\5b0708551a5c3cf9932c8aea5e890e3f2abe7b7b5911cefebc6155d20692e365.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2148
    • C:\Users\Admin\AppData\Local\Temp\5b0708551a5c3cf9932c8aea5e890e3f2abe7b7b5911cefebc6155d20692e365.exe
      "C:\Users\Admin\AppData\Local\Temp\5b0708551a5c3cf9932c8aea5e890e3f2abe7b7b5911cefebc6155d20692e365.exe" -h
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:2824
  • 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:4224
    • 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:4656

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    557KB

    MD5

    76c3dbb1e9fea62090cdf53dadcbe28e

    SHA1

    d44b32d04adc810c6df258be85dc6b62bd48a307

    SHA256

    556fd54e5595d222cfa2bd353afa66d8d4d1fbb3003afed604672fceae991860

    SHA512

    de4ea57497cf26237430880742f59e8d2a0ac7e7a0b09ed7be590f36fbd08c9ced0ffe46eb69ec2215a9cff55720f24fffcae752cd282250b4da6b75a30b3a1b

    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/392-154-0x000001170ADE0000-0x000001170AE52000-memory.dmp

    Filesize

    456KB

    Download

  • memory/392-131-0x000001170ADE0000-0x000001170AE52000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1052-166-0x0000021712040000-0x00000217120B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1052-211-0x0000021712040000-0x00000217120B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1172-210-0x0000026EFCA00000-0x0000026EFCA72000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1172-160-0x0000026EFCA00000-0x0000026EFCA72000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1192-186-0x0000025FE2DD0000-0x0000025FE2E42000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1192-215-0x0000025FE2DD0000-0x0000025FE2E42000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1412-192-0x000001FAA65A0000-0x000001FAA6612000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1412-216-0x000001FAA65A0000-0x000001FAA6612000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1472-212-0x0000025AE5F80000-0x0000025AE5FF2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1472-173-0x0000025AE5F80000-0x0000025AE5FF2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1864-213-0x0000023029160000-0x00000230291D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1864-179-0x0000023029160000-0x00000230291D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2204-142-0x0000026DC5870000-0x0000026DC58E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2204-156-0x0000026DC5870000-0x0000026DC58E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2236-150-0x000001878E640000-0x000001878E6B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2236-208-0x000001878E640000-0x000001878E6B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2396-217-0x000002870E140000-0x000002870E1B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2396-199-0x000002870E140000-0x000002870E1B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2436-218-0x0000022E79560000-0x0000022E795D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2436-205-0x0000022E79560000-0x0000022E795D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2720-122-0x000002A5AB040000-0x000002A5AB08D000-memory.dmp

    Filesize

    308KB

    Download

  • memory/2720-151-0x000002A5AB700000-0x000002A5AB772000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2720-125-0x000002A5AB700000-0x000002A5AB772000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2720-127-0x000002A5AB040000-0x000002A5AB08D000-memory.dmp

    Filesize

    308KB

    Download

  • memory/3616-136-0x00000212E1870000-0x00000212E18E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/3616-152-0x00000212E1870000-0x00000212E18E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/3616-226-0x00000212E1870000-0x00000212E18E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/3616-239-0x00000212E3090000-0x00000212E30AB000-memory.dmp

    Filesize

    108KB

    Download

  • memory/3616-240-0x00000212E3E00000-0x00000212E3F0A000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/3616-241-0x00000212E30B0000-0x00000212E30D0000-memory.dmp

    Filesize

    128KB

    Download

  • memory/3616-242-0x00000212E3100000-0x00000212E311B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/4656-209-0x0000000004940000-0x000000000499E000-memory.dmp

    Filesize

    376KB

    Download

  • memory/4656-149-0x0000000004940000-0x000000000499E000-memory.dmp

    Filesize

    376KB

    Download

  • memory/4656-147-0x0000000004A30000-0x0000000004B36000-memory.dmp

    Filesize

    1.0MB

    Download