General

  • Target

    PO#88224.rar

  • Size

    538KB

  • Sample

    220930-qk3ycadfd4

  • MD5

    c81c94145fa41b8800ab8ee1c8569338

  • SHA1

    072f8ffb2e2ab8c3c8e16d2320e06e1ac0bb7e72

  • SHA256

    36d5311e285d6a7d98347b86dd358772cf082365752dff389cf54778233f2351

  • SHA512

    e9e06289728e1cfae5bf497735a4d6f5aa03301f241a6ca3dc072591d72e476806e2d8daf131ad044330d219773de35bf192d129f669b3d2bab9ae6ab8e7578a

  • SSDEEP

    12288:wTN3ctVTo7+Ftei8VhzdtZ+vNhwZrm3YIkVqQdkbNSsn9hgptbTyn:wTirxoVhz7Z6h0FdkbNS0DAtbTyn

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5662683474:AAFvSjyPXTiwhBPcFi8of3_-_FCdfhhN8x0/

Targets

    • Target

      PO#88224.exe

    • Size

      972KB

    • MD5

      b92f1e453834755986777a5bd5dc1d5f

    • SHA1

      5751c9c918bc41c0e455dc81d8563687d3d981fb

    • SHA256

      4084110bd1fa032556c1f16a3850f492716a343616f2eb27015d1f654ff1b9c8

    • SHA512

      cccb9c4a8addaaf3a8048da50dc9f62b307cd3a23324a5ad9115b484d0190beee3909846bcbc37fe8993d1c3f079ec6a3e8c00bed2b7c2910dd04100d8d3a12c

    • SSDEEP

      12288:PIo2Bn24peLKtzfWYCPsqScxtngS3xBADqjJ5npZxHgTW0P35Y5I/3f5eQFR3PAP:PIfB2VLKNWYCPLN9rjrzxIW

    • AgentTesla

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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

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

    • Reads user/profile data of web browsers

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

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks