Overview

overview

10

Static

static

Sr.exe

windows7-x64

10

Sr.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    72s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-10-2022 01:47

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General

  • Target

    Sr.exe

  • Size

    1.0MB

  • MD5

    6f4fc9a2f722fb24d5944c3720c8e086

  • SHA1

    47b9064ae4db4974776bf8bd1bba8840b77124d2

  • SHA256

    d7420275fec10fe9b857d9a7688e50e86534f0aab151c5e766fc74833f34e478

  • SHA512

    6e3c4ebc7738115862e935b7cb18271969df1b2d54b49415d2500294b6391fb8f0dad0fe18bbeb69b865ecb40478ecad9c46e7b65c443e6445047164cf82f9e2

  • SSDEEP

    6144:3yq9ptgIsxITrY0jTxx7B+G9gZ6Ae2y8Uk:vxgIsxITrLjlx7B+BZR2

Score
10/10
chinese_generic_botnetbotnetpersistence

Malware Config

Signatures

  • Generic Chinese Botnet

    A botnet originating from China which is currently unnamed publicly.

    botnetchinese_generic_botnet
  • Chinese Botnet payload 1 IoCs
    botnet
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 23 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sr.exe
    "C:\Users\Admin\AppData\Local\Temp\Sr.exe"
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    PID:1260

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

2
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

3
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/1260-132-0x0000000010000000-0x0000000010018000-memory.dmp
    Filesize

    96KB

    Download