General

  • Target

    payment copy.pdf.exe

  • Size

    738KB

  • Sample

    221206-kw59ysfc3w

  • MD5

    27d631027838d94262fe33e8b76b0543

  • SHA1

    3fd40787525906c92cf9d485299e4d06b6043407

  • SHA256

    b7394e25936c4fd44716fcdcce914a35c0cdb0980e4527035681df4f800520e7

  • SHA512

    07b34c65df7e9f80cbe84c11c290cd64dca7ee2394ec47c9ef39dad3640ffc47e73895c769b2160d912013d79250379dde2fc363dc2cfcc64374539f08573c5a

  • SSDEEP

    12288:awlxmomPZefGPtqvyuzj8DNaHHAq17pKbZaws+iKvaSUih4qxs4jnTS+Co3ry/J:GomxiGQFviaub0wnieNfm46+RuJ

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      payment copy.pdf.exe

    • Size

      738KB

    • MD5

      27d631027838d94262fe33e8b76b0543

    • SHA1

      3fd40787525906c92cf9d485299e4d06b6043407

    • SHA256

      b7394e25936c4fd44716fcdcce914a35c0cdb0980e4527035681df4f800520e7

    • SHA512

      07b34c65df7e9f80cbe84c11c290cd64dca7ee2394ec47c9ef39dad3640ffc47e73895c769b2160d912013d79250379dde2fc363dc2cfcc64374539f08573c5a

    • SSDEEP

      12288:awlxmomPZefGPtqvyuzj8DNaHHAq17pKbZaws+iKvaSUih4qxs4jnTS+Co3ry/J:GomxiGQFviaub0wnieNfm46+RuJ

    • 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

    • 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

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

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