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Overview

overview

8

Static

static

c981b63a44...8e.exe

windows7-x64

8

c981b63a44...8e.exe

windows10-2004-x64

8

Analysis

  • max time kernel
    182s
  • max time network
    194s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/10/2022, 19:32

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General

  • Target

    c981b63a4499bf9dbb00eb776f73535488893d131d06e4def2da070e10d8128e.exe

  • Size

    135KB

  • MD5

    965e6792655c4854a820cf27e7748710

  • SHA1

    11434d0edc67382f2887e6e470b8ea2b9aa4de13

  • SHA256

    c981b63a4499bf9dbb00eb776f73535488893d131d06e4def2da070e10d8128e

  • SHA512

    bd5d299311f93b7da822b0720147962ddc4277c65c0bd6e885de51b94a801f7474174a581b9d6f0af3208dd4be4d2b5d2c62f98607f7d39c9fcf6b8634ed330d

  • SSDEEP

    3072:nL/Kd9XnJ4OXwHlt8qQg3Oi1OXvtWxepexZKj5tCYTK:WhJZYlgvtWepexZEK

Score
8/10
persistencespywarestealer

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c981b63a4499bf9dbb00eb776f73535488893d131d06e4def2da070e10d8128e.exe
    "C:\Users\Admin\AppData\Local\Temp\c981b63a4499bf9dbb00eb776f73535488893d131d06e4def2da070e10d8128e.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Users\Admin\AppData\Roaming\Taskngr.exe
      "C:\Users\Admin\AppData\Roaming\Taskngr.exe"
      2⤵
      • Executes dropped EXE
      • Drops startup file
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:1520

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Taskngr.exe
    Filesize

    135KB

    MD5

    965e6792655c4854a820cf27e7748710

    SHA1

    11434d0edc67382f2887e6e470b8ea2b9aa4de13

    SHA256

    c981b63a4499bf9dbb00eb776f73535488893d131d06e4def2da070e10d8128e

    SHA512

    bd5d299311f93b7da822b0720147962ddc4277c65c0bd6e885de51b94a801f7474174a581b9d6f0af3208dd4be4d2b5d2c62f98607f7d39c9fcf6b8634ed330d

    Download Submit

  • C:\Users\Admin\AppData\Roaming\Taskngr.exe
    Filesize

    135KB

    MD5

    965e6792655c4854a820cf27e7748710

    SHA1

    11434d0edc67382f2887e6e470b8ea2b9aa4de13

    SHA256

    c981b63a4499bf9dbb00eb776f73535488893d131d06e4def2da070e10d8128e

    SHA512

    bd5d299311f93b7da822b0720147962ddc4277c65c0bd6e885de51b94a801f7474174a581b9d6f0af3208dd4be4d2b5d2c62f98607f7d39c9fcf6b8634ed330d

    Download Submit

  • memory/1520-138-0x00000000751C0000-0x0000000075771000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/1520-140-0x00000000751C0000-0x0000000075771000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4032-132-0x00000000751C0000-0x0000000075771000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4032-133-0x00000000751C0000-0x0000000075771000-memory.dmp

    Filesize

    5.7MB

    Download

  • memory/4032-137-0x00000000751C0000-0x0000000075771000-memory.dmp

    Filesize

    5.7MB

    Download