Overview

overview

10

Static

static

ef140e5636...31.exe

windows7-x64

10

ef140e5636...31.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    152s
  • max time network
    47s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    26-11-2022 23:03

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General

  • Target

    ef140e563684cfdaf9d4d9a36375042fa1ffee3e49abb753380ce38602f22331.exe

  • Size

    68KB

  • MD5

    dc9bf6257aa8cae47cbcc508e032a181

  • SHA1

    2134837eef4edc6033e46efd2cbcf4747a7f544f

  • SHA256

    ef140e563684cfdaf9d4d9a36375042fa1ffee3e49abb753380ce38602f22331

  • SHA512

    7984e1ecbc0173b6646cdb29deccbb598063b45a7ce65cd61a6a20b929f22c97ad91dd10d2368aba3059f08e675bd147a146681500654e026dfb81b7193defa4

  • SSDEEP

    768:pcFliTdK61qSAl+qOQSgFrhKo//WomvdfQXwYt1IEDIefZsK:WFIxB1qSAcqOK3qowgnt1d

Score
10/10
evasionpersistence

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 4 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 use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ef140e563684cfdaf9d4d9a36375042fa1ffee3e49abb753380ce38602f22331.exe
    "C:\Users\Admin\AppData\Local\Temp\ef140e563684cfdaf9d4d9a36375042fa1ffee3e49abb753380ce38602f22331.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1672
    • C:\Users\Admin\Admin.exe
      "C:\Users\Admin\Admin.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:1704

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\Admin.exe
    Filesize

    68KB

    MD5

    5ae66bebd73930b41a94e46438336a78

    SHA1

    e099c940a6f0ef22c82f82c6f0543b57a32ea489

    SHA256

    07ee0ad75085c171056bd4d6c029d77141d61e28845029ab3c02f056fbaf349c

    SHA512

    6522ff416ad95be0edb37ae2e385dde7c996788e528484761bc64c333c7884ea18451c0534eec7c9aac7fa1fe488deb6d9b15d49090a3d030d6c9054f1c816ba

    Download Submit
  • \Users\Admin\Admin.exe
    Filesize

    68KB

    MD5

    5ae66bebd73930b41a94e46438336a78

    SHA1

    e099c940a6f0ef22c82f82c6f0543b57a32ea489

    SHA256

    07ee0ad75085c171056bd4d6c029d77141d61e28845029ab3c02f056fbaf349c

    SHA512

    6522ff416ad95be0edb37ae2e385dde7c996788e528484761bc64c333c7884ea18451c0534eec7c9aac7fa1fe488deb6d9b15d49090a3d030d6c9054f1c816ba

    Download Submit
  • \Users\Admin\Admin.exe
    Filesize

    68KB

    MD5

    5ae66bebd73930b41a94e46438336a78

    SHA1

    e099c940a6f0ef22c82f82c6f0543b57a32ea489

    SHA256

    07ee0ad75085c171056bd4d6c029d77141d61e28845029ab3c02f056fbaf349c

    SHA512

    6522ff416ad95be0edb37ae2e385dde7c996788e528484761bc64c333c7884ea18451c0534eec7c9aac7fa1fe488deb6d9b15d49090a3d030d6c9054f1c816ba

    Download Submit
  • memory/1672-54-0x0000000000400000-0x0000000000415000-memory.dmp
    Filesize

    84KB

    Download
  • memory/1672-57-0x0000000075201000-0x0000000075203000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1704-60-0x0000000000000000-mapping.dmp
    Download
  • memory/1704-62-0x0000000000400000-0x0000000000415000-memory.dmp
    Filesize

    84KB

    Download