Overview

overview

10

Static

static

1

dridex

windows10-1703-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    143s
  • 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 08:13

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General

  • Target

    a69e004ffbde2f0a620c910d21640c112b79b2064daad8c21ed1ec4cbc685bbe.exe

  • Size

    312KB

  • MD5

    07073b8c40d569efc1e8c3cde3bcaf8e

  • SHA1

    8dfffe512951714f3846e14a09f426861aff9d74

  • SHA256

    a69e004ffbde2f0a620c910d21640c112b79b2064daad8c21ed1ec4cbc685bbe

  • SHA512

    27ff558bad3885a501324a365bb8b712765f537ac81cac7b179219f829ab18ff45f549282f862994f1d368a2d540db9a694ead9be50cf662406bde3cd2f546b7

  • SSDEEP

    6144:E4PWLN3m+XeeqeO0UQeQ8KbLVHqAQg5jIQsJEPn:6aeqeO0UQB8KFHqAYJEPn

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 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 Schedule
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:956
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s gpsvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1016
  • 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 UserManager
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1272
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ProfSvc
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1076
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s SENS
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1464
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s Winmgmt
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2604
  • 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:2700
    • 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:3872
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s WpnService
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2612
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s LanmanServer
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2348
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s IKEEXT
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2332
  • c:\windows\system32\svchost.exe
    c:\windows\system32\svchost.exe -k netsvcs -s ShellHWDetection
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:1872
  • C:\Users\Admin\AppData\Local\Temp\a69e004ffbde2f0a620c910d21640c112b79b2064daad8c21ed1ec4cbc685bbe.exe
    "C:\Users\Admin\AppData\Local\Temp\a69e004ffbde2f0a620c910d21640c112b79b2064daad8c21ed1ec4cbc685bbe.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4156
    • C:\Users\Admin\AppData\Local\Temp\a69e004ffbde2f0a620c910d21640c112b79b2064daad8c21ed1ec4cbc685bbe.exe
      "C:\Users\Admin\AppData\Local\Temp\a69e004ffbde2f0a620c910d21640c112b79b2064daad8c21ed1ec4cbc685bbe.exe" -h
      2⤵
      • Suspicious use of SetWindowsHookEx
      PID:3648
  • 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:4988
    • 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:2116

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    557KB

    MD5

    cb077166b5cc181bde4c2bb30d28a99a

    SHA1

    800aab82a816e41ded59bc20cda364fa22dc0bcb

    SHA256

    40f19665b2ae343aa3838226e3393e2816a58fbb16fa4d2a3da8c602f20c9f72

    SHA512

    d1a9c9696f17e0ed3fe34996fef186c23ca9c0bb5cc1073a01bee88ca3d6a096dce61145f6339f88fd08fd4ac5d451105547a604c9a10fb373a78c6cf9df2811

    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/956-218-0x0000027F76F80000-0x0000027F76FF2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/956-171-0x0000027F76F80000-0x0000027F76FF2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1016-140-0x000001DC08E80000-0x000001DC08EF2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1016-168-0x000001DC08E80000-0x000001DC08EF2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1076-177-0x000001D74D640000-0x000001D74D6B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1076-163-0x000001D74D640000-0x000001D74D6B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1196-221-0x00000259A1040000-0x00000259A10B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1196-195-0x00000259A1040000-0x00000259A10B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1272-222-0x0000017301460000-0x00000173014D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1272-201-0x0000017301460000-0x00000173014D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1464-182-0x000001ABEC370000-0x000001ABEC3E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1464-219-0x000001ABEC370000-0x000001ABEC3E2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1872-220-0x00000234329D0000-0x0000023432A42000-memory.dmp

    Filesize

    456KB

    Download

  • memory/1872-188-0x00000234329D0000-0x0000023432A42000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2116-217-0x0000000004B80000-0x0000000004BDE000-memory.dmp

    Filesize

    376KB

    Download

  • memory/2116-133-0x0000000004C00000-0x0000000004D0F000-memory.dmp

    Filesize

    1.1MB

    Download

  • memory/2116-134-0x0000000004B80000-0x0000000004BDE000-memory.dmp

    Filesize

    376KB

    Download

  • memory/2332-172-0x0000021C05560000-0x0000021C055D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2332-149-0x0000021C05560000-0x0000021C055D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2348-175-0x0000029D05740000-0x0000029D057B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2348-156-0x0000029D05740000-0x0000029D057B2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2604-223-0x0000028242E30000-0x0000028242EA2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2604-208-0x0000028242E30000-0x0000028242EA2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2612-225-0x000001CB27960000-0x000001CB279D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2612-214-0x000001CB27960000-0x000001CB279D2000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2700-131-0x00000177C2B00000-0x00000177C2B4D000-memory.dmp

    Filesize

    308KB

    Download

  • memory/2700-126-0x00000177C2B00000-0x00000177C2B4D000-memory.dmp

    Filesize

    308KB

    Download

  • memory/2700-136-0x00000177C31A0000-0x00000177C3212000-memory.dmp

    Filesize

    456KB

    Download

  • memory/2700-129-0x00000177C31A0000-0x00000177C3212000-memory.dmp

    Filesize

    456KB

    Download

  • memory/3872-152-0x0000018AD5CD0000-0x0000018AD5D42000-memory.dmp

    Filesize

    456KB

    Download

  • memory/3872-141-0x0000018AD5CD0000-0x0000018AD5D42000-memory.dmp

    Filesize

    456KB

    Download

  • memory/3872-170-0x0000018AD5CD0000-0x0000018AD5D42000-memory.dmp

    Filesize

    456KB

    Download

  • memory/3872-231-0x0000018AD5CD0000-0x0000018AD5D42000-memory.dmp

    Filesize

    456KB

    Download

  • memory/3872-252-0x0000018AD5AE0000-0x0000018AD5AFB000-memory.dmp

    Filesize

    108KB

    Download

  • memory/3872-253-0x0000018AD8200000-0x0000018AD830A000-memory.dmp

    Filesize

    1.0MB

    Download

  • memory/3872-255-0x0000018AD74F0000-0x0000018AD7510000-memory.dmp

    Filesize

    128KB

    Download

  • memory/3872-256-0x0000018AD7550000-0x0000018AD756B000-memory.dmp

    Filesize

    108KB

    Download

  • memory/3872-266-0x0000018AD8200000-0x0000018AD830A000-memory.dmp

    Filesize

    1.0MB

    Download