Overview

overview

10

Static

static

10

78769e4085...7e.zip

windows7_x64

1

78769e4085...7e.zip

windows10-2004_x64

malware-an...er.pdf

windows7_x64

1

malware-an...er.pdf

windows10-2004_x64

1

malware-an...is.pdf

windows7_x64

1

malware-an...is.pdf

windows10-2004_x64

1

malware-an...ypt.py

linux_amd64

malware-an...ypt.py

linux_armhf

malware-an...ypt.py

linux_mips

malware-an...ypt.py

linux_mipsel

malware-an...ons.py

windows7_x64

3

malware-an...ons.py

windows10-2004_x64

3

malware-an...is.pdf

windows7_x64

1

malware-an...is.pdf

windows10-2004_x64

malware-an...tt.ps1

windows7_x64

10

malware-an...tt.ps1

windows10-2004_x64

8

malware-an...tt.vbs

windows7_x64

malware-an...tt.vbs

windows10-2004_x64

7

malware-an...er.ps1

windows7_x64

1

malware-an...er.ps1

windows10-2004_x64

malware-an...od.ps1

windows7_x64

malware-an...od.ps1

windows10-2004_x64

10

malware-an...44.exe

windows7_x64

10

malware-an...44.exe

windows10-2004_x64

malware-an...55.dll

windows7_x64

1

malware-an...55.dll

windows10-2004_x64

malware-an...xes.py

linux_amd64

malware-an...xes.py

linux_armhf

malware-an...xes.py

linux_mips

malware-an...xes.py

linux_mipsel

malware-an...dra.py

windows7_x64

malware-an...dra.py

windows10-2004_x64

3

Analysis

  • max time kernel
    128s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:11

Sharing

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Report Analysis Logs

General

  • Target

    malware-analysis-writeups-master/bashar-bachir-chain/files/avastt.ps1

  • Size

    360B

  • MD5

    cfd1923ef62eda51c93b8b3599941acd

  • SHA1

    ec8712a15560aa43ba4710ea574f5443ae5c5c5c

  • SHA256

    2cd2d3823bacb5591d922756a072b4e934d42a471fce9fe2f5b2fd05fac0c660

  • SHA512

    043f86e5448c4bcc941da02471797d3b863644502bdc36a9c97ab693b888eee2fafcf35e5ffbdce1afcaaf1b77869b50c49e49274ad7a0543b49a993d32ff5c6

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 3 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\malware-analysis-writeups-master\bashar-bachir-chain\files\avastt.ps1
    1⤵
    • Blocklisted process makes network request
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    PID:3948

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Replay Monitor

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Downloads

  • memory/3948-130-0x0000026C53AE0000-0x0000026C53B02000-memory.dmp
    Filesize

    136KB

    Download
  • memory/3948-131-0x00007FFE12770000-0x00007FFE13231000-memory.dmp
    Filesize

    10.8MB

    Download