Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2022 00:10

General

  • Target

    dcda67858cd9303dd32c0c979030dc0025a457e8b52f8b1c76f3c99943b9b48f.exe

  • Size

    156KB

  • MD5

    15c6913de4b47966ef0ed7a20dc91fcf

  • SHA1

    703be70c224f7b05b215d436d844009172765fc3

  • SHA256

    dcda67858cd9303dd32c0c979030dc0025a457e8b52f8b1c76f3c99943b9b48f

  • SHA512

    6cad428571d9a839cd0c85c7fd544aa730f7f08d2ef9c964cf9ee9a5043b690f8e902cf7290771e024a5803de407c1db75cabbded671a8a7309cc9d5859da298

  • SSDEEP

    3072:gLySQYWrO0VctCPmJIHE+gRyRSIuznLstk4oQZiEap2Y:TYGPctCrEaRQLpWkpN

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 50 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 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dcda67858cd9303dd32c0c979030dc0025a457e8b52f8b1c76f3c99943b9b48f.exe
    "C:\Users\Admin\AppData\Local\Temp\dcda67858cd9303dd32c0c979030dc0025a457e8b52f8b1c76f3c99943b9b48f.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:1212
    • C:\Users\Admin\wooxao.exe
      "C:\Users\Admin\wooxao.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:1668

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\wooxao.exe
    Filesize

    156KB

    MD5

    61765bf3484852fa1f201642e97e43d0

    SHA1

    c9521a9597e9290c6c8683914cdc44051718940d

    SHA256

    9f36d9a3938b2360ce8577ab2ab96b63c992d8f403065e1c7dd29759908763e7

    SHA512

    c663ca6e2360a00dd8607243f22167f3c2810392c14d7a4d0a191f3f0c5b3a7492aac6ef971956aa2b4eb510328a7db13619b9d679a981987eb48ac26117bbb2

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

    156KB

    MD5

    61765bf3484852fa1f201642e97e43d0

    SHA1

    c9521a9597e9290c6c8683914cdc44051718940d

    SHA256

    9f36d9a3938b2360ce8577ab2ab96b63c992d8f403065e1c7dd29759908763e7

    SHA512

    c663ca6e2360a00dd8607243f22167f3c2810392c14d7a4d0a191f3f0c5b3a7492aac6ef971956aa2b4eb510328a7db13619b9d679a981987eb48ac26117bbb2

  • \Users\Admin\wooxao.exe
    Filesize

    156KB

    MD5

    61765bf3484852fa1f201642e97e43d0

    SHA1

    c9521a9597e9290c6c8683914cdc44051718940d

    SHA256

    9f36d9a3938b2360ce8577ab2ab96b63c992d8f403065e1c7dd29759908763e7

    SHA512

    c663ca6e2360a00dd8607243f22167f3c2810392c14d7a4d0a191f3f0c5b3a7492aac6ef971956aa2b4eb510328a7db13619b9d679a981987eb48ac26117bbb2

  • \Users\Admin\wooxao.exe
    Filesize

    156KB

    MD5

    61765bf3484852fa1f201642e97e43d0

    SHA1

    c9521a9597e9290c6c8683914cdc44051718940d

    SHA256

    9f36d9a3938b2360ce8577ab2ab96b63c992d8f403065e1c7dd29759908763e7

    SHA512

    c663ca6e2360a00dd8607243f22167f3c2810392c14d7a4d0a191f3f0c5b3a7492aac6ef971956aa2b4eb510328a7db13619b9d679a981987eb48ac26117bbb2

  • memory/1212-56-0x0000000076711000-0x0000000076713000-memory.dmp
    Filesize

    8KB

  • memory/1668-59-0x0000000000000000-mapping.dmp