Overview

overview

8

Static

static

b12c077a0b...90.exe

windows7_x64

8

b12c077a0b...90.exe

windows10_x64

8

Analysis

  • max time kernel
    127s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    09-05-2021 20:44

Sharing

Copy URL
Twitter E-mail
Report Analysis Logs

General

  • Target

    b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990.exe

  • Size

    2.1MB

  • MD5

    8cb056ad93b0008677ad173ee4cf56a8

  • SHA1

    fc6d15dd797f57f986a38f7dfdd6022ff8cc3a8e

  • SHA256

    b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990

  • SHA512

    65c677c1d81f88e4bc632d63f6eaf0dde489005553aecb35662a710c5ae7d527356075d4cda7778e1cd4fd59368a82c72fa1d87693fdfd0aebb1ba0c8ee7f425

Score
8/10
bootkitmacropersistence

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Suspicious Office macro 1 IoCs

    Office document equipped with macros.

    macro
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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.

    bootkitpersistence
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

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

  • 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
  • Modifies registry class 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990.exe
    "C:\Users\Admin\AppData\Local\Temp\b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:784
    • C:\Users\Admin\AppData\Local\Temp\._cache_b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990.exe
      "C:\Users\Admin\AppData\Local\Temp\._cache_b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990.exe"
      2⤵
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • Checks SCSI registry key(s)
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:204
    • C:\ProgramData\Synaptics\Synaptics.exe
      "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:3568
  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious use of SetWindowsHookEx
    PID:2024

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Privilege Escalation

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Synaptics\Synaptics.exe
    MD5

    f65d4cf706c2add18897c640b67c8b84

    SHA1

    dd63c38d5fd4a2d466a36dc35e8c082237de24f8

    SHA256

    f1a5a873cc3987b2a2a756aec8bacfb6d2c922892ce07a0ffb820a332fe82655

    SHA512

    b0e5c1a9d5dd2aff80485b2b237e6350fbd14d67323fd6a85fbc221e45a2bc0b48a2d46bb371d5498f9246943c8015bacce15d20c4c453bb772690534babf2e6

    Download Submit
  • C:\ProgramData\Synaptics\Synaptics.exe
    MD5

    f65d4cf706c2add18897c640b67c8b84

    SHA1

    dd63c38d5fd4a2d466a36dc35e8c082237de24f8

    SHA256

    f1a5a873cc3987b2a2a756aec8bacfb6d2c922892ce07a0ffb820a332fe82655

    SHA512

    b0e5c1a9d5dd2aff80485b2b237e6350fbd14d67323fd6a85fbc221e45a2bc0b48a2d46bb371d5498f9246943c8015bacce15d20c4c453bb772690534babf2e6

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\._cache_b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990.exe
    MD5

    bd4535fffd8664109d9b7f273b308a0c

    SHA1

    0d67457647b6669b819dc706591d28c8f12bce80

    SHA256

    cb0c065e83757189d6c4a71cbe7efcfa93f324d6451b523a7da848b7028e1e11

    SHA512

    43bea9458fb37e93cda978775230676c9dcc5c7fedc5fe2421157c14e20f3300a396105758e11edf883c178a347507e5f2c70329aa9625fb45f50f0fc9f13b79

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\._cache_b12c077a0b174ec520ee97ed50133a56c558d70824f6e575d98f3bfc70dc7990.exe
    MD5

    bd4535fffd8664109d9b7f273b308a0c

    SHA1

    0d67457647b6669b819dc706591d28c8f12bce80

    SHA256

    cb0c065e83757189d6c4a71cbe7efcfa93f324d6451b523a7da848b7028e1e11

    SHA512

    43bea9458fb37e93cda978775230676c9dcc5c7fedc5fe2421157c14e20f3300a396105758e11edf883c178a347507e5f2c70329aa9625fb45f50f0fc9f13b79

    Download Submit
  • C:\Users\Admin\AppData\Local\Temp\HArsIBqc.xlsm
    MD5

    e566fc53051035e1e6fd0ed1823de0f9

    SHA1

    00bc96c48b98676ecd67e81a6f1d7754e4156044

    SHA256

    8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

    SHA512

    a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

    Download Submit
  • memory/204-115-0x0000000000000000-mapping.dmp
    Download
  • memory/784-114-0x0000000000710000-0x000000000085A000-memory.dmp
    Filesize

    1.3MB

    Download
  • memory/2024-126-0x00007FFDD78A0000-0x00007FFDD78B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2024-122-0x00007FF7511D0000-0x00007FF754786000-memory.dmp
    Filesize

    53.7MB

    Download
  • memory/2024-123-0x00007FFDD78A0000-0x00007FFDD78B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2024-124-0x00007FFDD78A0000-0x00007FFDD78B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2024-125-0x00007FFDD78A0000-0x00007FFDD78B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2024-129-0x00007FFDD78A0000-0x00007FFDD78B0000-memory.dmp
    Filesize

    64KB

    Download
  • memory/2024-130-0x00007FFDF84D0000-0x00007FFDF95BE000-memory.dmp
    Filesize

    16.9MB

    Download
  • memory/2024-131-0x00007FFDF65D0000-0x00007FFDF84C5000-memory.dmp
    Filesize

    31.0MB

    Download
  • memory/3568-121-0x0000000000540000-0x00000000005EE000-memory.dmp
    Filesize

    696KB

    Download
  • memory/3568-118-0x0000000000000000-mapping.dmp
    Download