Analysis

  • max time kernel
    151s
  • max time network
    86s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 12:48

General

  • Target

    e9d74c565a50e4ca146e265be8ccc26eb25f7fb1febc3cd8df8f4d6f49a7248e.exe

  • Size

    841KB

  • MD5

    78f23b424c0f5076dcc1e3bee2db5134

  • SHA1

    9d683fa2858af6792c1bddfa34434c74e82f8963

  • SHA256

    e9d74c565a50e4ca146e265be8ccc26eb25f7fb1febc3cd8df8f4d6f49a7248e

  • SHA512

    4b200eff294d8e04decc2ef77582de464c7afcab3baad4bd4020f86120d6729b9933acaf658bd6bab62fd91c42859a0cd40ae963fd1a162f9f9f4145c1d5353b

  • SSDEEP

    12288:LTIsNfmZsmqGXryg3ivlm25mqITQhH7Atk/SoTmiXwkQKx+YoLo8:LTIstm2mjXr7g32QFgk6gmiTQKx

Score
6/10

Malware Config

Signatures

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates connected drives 3 TTPs 22 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 12 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9d74c565a50e4ca146e265be8ccc26eb25f7fb1febc3cd8df8f4d6f49a7248e.exe
    "C:\Users\Admin\AppData\Local\Temp\e9d74c565a50e4ca146e265be8ccc26eb25f7fb1febc3cd8df8f4d6f49a7248e.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Writes to the Master Boot Record (MBR)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:1088

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1088-54-0x0000000076681000-0x0000000076683000-memory.dmp
    Filesize

    8KB

  • memory/1088-55-0x0000000000400000-0x0000000000A33000-memory.dmp
    Filesize

    6.2MB

  • memory/1088-57-0x0000000000400000-0x0000000000A33000-memory.dmp
    Filesize

    6.2MB

  • memory/1088-58-0x0000000000400000-0x0000000000A33000-memory.dmp
    Filesize

    6.2MB