General

  • Target

    02d64b9cbd5268cec49399d35962acaac4e4548b96b0775b315811bc0c23c7e8.exe

  • Size

    541KB

  • Sample

    230328-hbj5wahd55

  • MD5

    841df4aadcf2ba0ef0a1bfe3a421c7bc

  • SHA1

    5b3d870d348f52908b8871f16ad8f6edfbac08c3

  • SHA256

    02d64b9cbd5268cec49399d35962acaac4e4548b96b0775b315811bc0c23c7e8

  • SHA512

    41ac5cc1ec3599f8d2921b7e2a48636b66c661631bc5c920aff3c5e0dc7915ca79d29814d3c293e84c522417f2dd0d4171c3cf4b1b8ef537a8a6d6b07b65f531

  • SSDEEP

    6144:WYa6Bv7p3QTwn5M11k+zsndP21nktxtlfzw/5kb1wmO4zhOVJeUsK73b1KYr0hgP:WYfzFQTwM16+sdenmS5kbiiUsKLb13F

Malware Config

Targets

    • Target

      02d64b9cbd5268cec49399d35962acaac4e4548b96b0775b315811bc0c23c7e8.exe

    • Size

      541KB

    • MD5

      841df4aadcf2ba0ef0a1bfe3a421c7bc

    • SHA1

      5b3d870d348f52908b8871f16ad8f6edfbac08c3

    • SHA256

      02d64b9cbd5268cec49399d35962acaac4e4548b96b0775b315811bc0c23c7e8

    • SHA512

      41ac5cc1ec3599f8d2921b7e2a48636b66c661631bc5c920aff3c5e0dc7915ca79d29814d3c293e84c522417f2dd0d4171c3cf4b1b8ef537a8a6d6b07b65f531

    • SSDEEP

      6144:WYa6Bv7p3QTwn5M11k+zsndP21nktxtlfzw/5kb1wmO4zhOVJeUsK73b1KYr0hgP:WYfzFQTwM16+sdenmS5kbiiUsKLb13F

    • AgentTesla

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

2
T1082

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks