Analysis

  • max time kernel
    189s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    23-11-2022 20:55

General

  • Target

    87d742e118752759069d49307aca2d83d3e4f5da05f891e15bc1882814ec8a6a.exe

  • Size

    88KB

  • MD5

    a33a0aedfa094aadd074015b2207db86

  • SHA1

    dcb5102ef86fa89b31adedcdee1991616b4ce389

  • SHA256

    87d742e118752759069d49307aca2d83d3e4f5da05f891e15bc1882814ec8a6a

  • SHA512

    6d30a62b77a502971b09457eb2ff48441364b6c6c851b249d7d3ff9f7107a76b976720e0594745fb7c1af8163a62c0fe7ce7a53dbf2ea5dfd2a3be5ea73e55ff

  • SSDEEP

    768:fDFIzMsddaqnObOasGEwU8Z1Rbe2kjEQJQ1H7a8zFkzqcwuHW:JIYZiCU8Z1QjEQJecwuHW

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 48 IoCs
  • 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 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\87d742e118752759069d49307aca2d83d3e4f5da05f891e15bc1882814ec8a6a.exe
    "C:\Users\Admin\AppData\Local\Temp\87d742e118752759069d49307aca2d83d3e4f5da05f891e15bc1882814ec8a6a.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1676
    • C:\Users\Admin\baoge.exe
      "C:\Users\Admin\baoge.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
      • Suspicious use of WriteProcessMemory
      PID:1316

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Hidden Files and Directories

1
T1158

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Hidden Files and Directories

1
T1158

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

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

    88KB

    MD5

    66114c7434eb290373fb55be813bf848

    SHA1

    af385fde7d3aee8e6b50465f6497b6ad75331bb2

    SHA256

    bb242ae16385b3297e6ea1badaed35bde596ade19324678fc3bd09002f92235e

    SHA512

    a1ebe0686fd2a989021fa28a9060f462d12e2d266b738b80ca0a01d8bb093ce8ceab11eab0a7b3800904fc1d0f685e2215bacfec556ac02d982f4fc8f2748ac9

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

    88KB

    MD5

    66114c7434eb290373fb55be813bf848

    SHA1

    af385fde7d3aee8e6b50465f6497b6ad75331bb2

    SHA256

    bb242ae16385b3297e6ea1badaed35bde596ade19324678fc3bd09002f92235e

    SHA512

    a1ebe0686fd2a989021fa28a9060f462d12e2d266b738b80ca0a01d8bb093ce8ceab11eab0a7b3800904fc1d0f685e2215bacfec556ac02d982f4fc8f2748ac9

  • \Users\Admin\baoge.exe
    Filesize

    88KB

    MD5

    66114c7434eb290373fb55be813bf848

    SHA1

    af385fde7d3aee8e6b50465f6497b6ad75331bb2

    SHA256

    bb242ae16385b3297e6ea1badaed35bde596ade19324678fc3bd09002f92235e

    SHA512

    a1ebe0686fd2a989021fa28a9060f462d12e2d266b738b80ca0a01d8bb093ce8ceab11eab0a7b3800904fc1d0f685e2215bacfec556ac02d982f4fc8f2748ac9

  • \Users\Admin\baoge.exe
    Filesize

    88KB

    MD5

    66114c7434eb290373fb55be813bf848

    SHA1

    af385fde7d3aee8e6b50465f6497b6ad75331bb2

    SHA256

    bb242ae16385b3297e6ea1badaed35bde596ade19324678fc3bd09002f92235e

    SHA512

    a1ebe0686fd2a989021fa28a9060f462d12e2d266b738b80ca0a01d8bb093ce8ceab11eab0a7b3800904fc1d0f685e2215bacfec556ac02d982f4fc8f2748ac9

  • memory/1316-59-0x0000000000000000-mapping.dmp
  • memory/1676-56-0x0000000075C81000-0x0000000075C83000-memory.dmp
    Filesize

    8KB