Analysis

  • max time kernel
    103s
  • max time network
    134s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-04-2021 00:02

General

  • Target

    SecuriteInfo.com.Heur.25915.5476.xlsm

  • Size

    180KB

  • MD5

    49055909211c6794fc44c85e3e8b8619

  • SHA1

    b2f5c0d57600ca127b0ea203a47ea49de366665e

  • SHA256

    d56353051b3256c74c2e0df4d907f955ded8482f8cb8610f69916f80bc49eb67

  • SHA512

    a86200d37edd45e10cb10996f2ebe34721f223cc99001743ee443f844b592aed6c60093bdcec5d7f3c1184c812d899fd223b664bdc72aa2d80fc939f56d65598

Score
10/10

Malware Config

Signatures

  • Process spawned unexpected child process 1 IoCs

    This typically indicates the parent process was compromised via an exploit or macro.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious use of SetWindowsHookEx 14 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.25915.5476.xlsm"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3916
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Roaming\62923..dll" JsVarAddRef
      2⤵
      • Process spawned unexpected child process
      PID:3336

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Roaming\62923..dll
    MD5

    7d51d4567e895ae06adf3a92ca983d08

    SHA1

    5dc8ffe5c09168541b94953f5cfbf6c4b7a69845

    SHA256

    f6fe7d311a498ca504aee3b94a38957ab3779e6187ff23e0e033785634b73864

    SHA512

    02c43bda043a818bf9cdec2ef7622862d38a130d225c050a79d177e605cfb29046a94d9b66111da2bd589a9ccc40c9bbff6aadb00aa28841dda46053900ec891

  • memory/3336-179-0x0000000000000000-mapping.dmp
  • memory/3916-114-0x00007FF754480000-0x00007FF757A36000-memory.dmp
    Filesize

    53.7MB

  • memory/3916-115-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp
    Filesize

    64KB

  • memory/3916-116-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp
    Filesize

    64KB

  • memory/3916-117-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp
    Filesize

    64KB

  • memory/3916-118-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp
    Filesize

    64KB

  • memory/3916-121-0x00007FFB6CDD0000-0x00007FFB6DEBE000-memory.dmp
    Filesize

    16.9MB

  • memory/3916-123-0x00007FFB4C800000-0x00007FFB4C810000-memory.dmp
    Filesize

    64KB

  • memory/3916-122-0x00007FFB6AA80000-0x00007FFB6C975000-memory.dmp
    Filesize

    31.0MB