Analysis

  • max time kernel
    140s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    29-01-2023 18:14

General

  • Target

    989cd7cd06b1de240a9b00cb2bced5bf736100e94d9adb63710d7493d229c3b8.exe

  • Size

    138KB

  • MD5

    c5d0ae675627de0a43f710eae9612549

  • SHA1

    62b995c6dfe5500e02084cca30411362a0ab3ca5

  • SHA256

    989cd7cd06b1de240a9b00cb2bced5bf736100e94d9adb63710d7493d229c3b8

  • SHA512

    fff07b8e1def5b2b2168447d4f8811d27944b259ddd406ce56b7e230db16ffa759f81e5ec2facc0618a3ffe84e7a2a26dfffe894f417e68c3e34d1ab0aac1313

  • SSDEEP

    3072:3qrvRknb6sxBl0E+R+Bch+l5wJGVTa/pvfM7RCpGZ:a7RcZt9IF6uJkeEv

Score
10/10

Malware Config

Signatures

  • Emotet

    Emotet is a trojan that is primarily spread through spam emails.

  • Drops file in System32 directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies data under HKEY_USERS 21 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of UnmapMainImage 4 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\989cd7cd06b1de240a9b00cb2bced5bf736100e94d9adb63710d7493d229c3b8.exe
    "C:\Users\Admin\AppData\Local\Temp\989cd7cd06b1de240a9b00cb2bced5bf736100e94d9adb63710d7493d229c3b8.exe"
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:1776
    • C:\Users\Admin\AppData\Local\Temp\989cd7cd06b1de240a9b00cb2bced5bf736100e94d9adb63710d7493d229c3b8.exe
      --9e3099f7
      2⤵
      • Suspicious behavior: RenamesItself
      • Suspicious use of UnmapMainImage
      PID:1420
  • C:\Windows\SysWOW64\xiantexture.exe
    "C:\Windows\SysWOW64\xiantexture.exe"
    1⤵
    • Suspicious use of UnmapMainImage
    • Suspicious use of WriteProcessMemory
    PID:316
    • C:\Windows\SysWOW64\xiantexture.exe
      --7d418033
      2⤵
      • Drops file in System32 directory
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of UnmapMainImage
      PID:432

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/432-60-0x0000000000000000-mapping.dmp
  • memory/432-62-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/432-64-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1420-55-0x0000000000000000-mapping.dmp
  • memory/1420-58-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1420-59-0x0000000074DA1000-0x0000000074DA3000-memory.dmp
    Filesize

    8KB

  • memory/1420-61-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1776-54-0x0000000000220000-0x0000000000231000-memory.dmp
    Filesize

    68KB

  • memory/1776-56-0x0000000000400000-0x0000000000414000-memory.dmp
    Filesize

    80KB

  • memory/1776-57-0x0000000000220000-0x0000000000231000-memory.dmp
    Filesize

    68KB