General

  • Target

    36cbb216a9737402f9dfa4f7e7528d89.exe

  • Size

    504KB

  • Sample

    210722-wpwh7y65qj

  • MD5

    36cbb216a9737402f9dfa4f7e7528d89

  • SHA1

    43c641a1b5df61fc9078f6c86f26205358de674c

  • SHA256

    16439cb0cbdf7399d29d66620895e9d23874e303638c8cf016239b9bc54e8d5e

  • SHA512

    43cab89876da34ee77d39524639962349aff4248620c0374d3b3fd15337bec8bb82f5c4532efb64ec000f2f1391fa2e94397dd7b13d59abf6fe1c0c0ea433de7

Malware Config

Extracted

Family

warzonerat

C2

ghjklhgteg.strangled.net:6703

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1846829589:AAHSsEDTKvDOQ17YrNRY5_FXv5z4mpfGRIc/sendDocument

Targets

    • Target

      36cbb216a9737402f9dfa4f7e7528d89.exe

    • Size

      504KB

    • MD5

      36cbb216a9737402f9dfa4f7e7528d89

    • SHA1

      43c641a1b5df61fc9078f6c86f26205358de674c

    • SHA256

      16439cb0cbdf7399d29d66620895e9d23874e303638c8cf016239b9bc54e8d5e

    • SHA512

      43cab89876da34ee77d39524639962349aff4248620c0374d3b3fd15337bec8bb82f5c4532efb64ec000f2f1391fa2e94397dd7b13d59abf6fe1c0c0ea433de7

    • AgentTesla

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

    • WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • AgentTesla Payload

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Sets DLL path for service in the registry

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Modifies WinLogon

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Winlogon Helper DLL

1
T1004

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Tasks