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20-05-2023 01:01

230520-bdhlhahd64 10

20-05-2023 00:59

230520-bb6wbahd52 10

17-05-2023 15:12

230517-sld2qafe25 10

16-05-2023 18:13

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16-05-2023 18:03

230516-wm22qabh79 10

General

  • Target

    a.bin

  • Size

    5KB

  • Sample

    230520-bdhlhahd64

  • MD5

    69525fa93fd47eb3c533afe3b1baba48

  • SHA1

    3dea1b337987177c73c64e89b370d90dc94c64cb

  • SHA256

    8e9c6b72a19705e65d654814d0770a67c7c4a2e52915f6115dc740ab254ed4a9

  • SHA512

    909202467de5c96404c154cd3be55643df62c13c395bd6e0406be5834c3a10b953f42cc3520ac5979af754af192260ec737d19892333e5a8dfab79aef9b23182

  • SSDEEP

    48:6di2oYDjX9iqhf3FXfkQHjJhyPFlWa8tYDdqIYM/cphuOulavTqXSfbNtm:uNiqp3JkQHyDUtE2WcpisvNzNt

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6225839139:AAHOVxUdRr3_xezeR4e_GlriGQEKuUFBpW0/

Extracted

Family

redline

Botnet

deren

C2

77.91.68.253:19065

Attributes
  • auth_value

    04a169f1fb198bfbeca74d0e06ea2d54

Targets

    • Target

      a.bin

    • Size

      5KB

    • MD5

      69525fa93fd47eb3c533afe3b1baba48

    • SHA1

      3dea1b337987177c73c64e89b370d90dc94c64cb

    • SHA256

      8e9c6b72a19705e65d654814d0770a67c7c4a2e52915f6115dc740ab254ed4a9

    • SHA512

      909202467de5c96404c154cd3be55643df62c13c395bd6e0406be5834c3a10b953f42cc3520ac5979af754af192260ec737d19892333e5a8dfab79aef9b23182

    • SSDEEP

      48:6di2oYDjX9iqhf3FXfkQHjJhyPFlWa8tYDdqIYM/cphuOulavTqXSfbNtm:uNiqp3JkQHyDUtE2WcpisvNzNt

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Reads local data of messenger clients

      Infostealers often target stored data of messaging applications, which can include saved credentials and account information.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Scripting

1
T1064

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

2
T1081

Discovery

System Information Discovery

3
T1082

Query Registry

1
T1012

Collection

Data from Local System

2
T1005

Command and Control

Web Service

1
T1102

Tasks