General

  • Target

    vbc.exe

  • Size

    193KB

  • Sample

    220121-w7w17safe9

  • MD5

    b2b0d367777c10ea84ddd200e494fafb

  • SHA1

    1c263867f142e10910d6c25274ba2b45115becee

  • SHA256

    45e4a0928b9a955dd791cee03ff5157f2eb31d465ba24deb1d40f102f54a3e4a

  • SHA512

    e4cabfefa77a9ff1686fd717c8b045d24e6167ea421e3e2a4ec5977491592711e9defc9d5ca4925f32c8449bd9428eb6684957a7eee28227e4d3431674b81ad1

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5013020608:AAFu_btAZRcQ9V-SvEIxL9rCbb_x1A-9IJo/sendDocument

Extracted

Family

lokibot

C2

http://tootoo.ga/webxpo/gate.php

http://kbfvzoboss.bid/alien/fre.php

http://alphastand.trade/alien/fre.php

http://alphastand.win/alien/fre.php

http://alphastand.top/alien/fre.php

Targets

    • Target

      vbc.exe

    • Size

      193KB

    • MD5

      b2b0d367777c10ea84ddd200e494fafb

    • SHA1

      1c263867f142e10910d6c25274ba2b45115becee

    • SHA256

      45e4a0928b9a955dd791cee03ff5157f2eb31d465ba24deb1d40f102f54a3e4a

    • SHA512

      e4cabfefa77a9ff1686fd717c8b045d24e6167ea421e3e2a4ec5977491592711e9defc9d5ca4925f32c8449bd9428eb6684957a7eee28227e4d3431674b81ad1

    • AgentTesla

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

    • Guloader,Cloudeye

      A shellcode based downloader first seen in 2020.

    • Lokibot

      Lokibot is a Password and CryptoCoin Wallet Stealer.

    • AgentTesla Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks QEMU agent file

      Checks presence of QEMU agent, possibly to detect virtualization.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Credential Access

Credentials in Files

1
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Tasks