Analysis

  • max time kernel
    187s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    20-05-2022 22:38

General

  • Target

    PROOF OF PAYMENT.exe

  • Size

    555KB

  • MD5

    89f884a7f504cdb9981f40e84f67a874

  • SHA1

    8903e0aa1959cc486f3950d99dac80fe23527c52

  • SHA256

    2119e2edacd5fd8a85697a8f271f328c2337ce04fb86d9aa6c38007bf78a0ce4

  • SHA512

    532192980bb97a86acdf5be5b45fe22c233635a4a3979673b8bfec644de13a0341594b9553c3867f66c2c5f85e89ccd7b89be7788f0ba3a787c0bc9a5ed6a590

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment123

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    payment123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
    "C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1968
    • C:\Users\Admin\AppData\Local\Temp\PROOF OF PAYMENT.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:4688

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PROOF OF PAYMENT.exe.log
    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • memory/1968-130-0x0000000000AB0000-0x0000000000B40000-memory.dmp
    Filesize

    576KB

  • memory/1968-131-0x0000000008000000-0x00000000085A4000-memory.dmp
    Filesize

    5.6MB

  • memory/1968-132-0x0000000007A50000-0x0000000007AE2000-memory.dmp
    Filesize

    584KB

  • memory/1968-133-0x0000000005530000-0x000000000553A000-memory.dmp
    Filesize

    40KB

  • memory/1968-134-0x0000000007CA0000-0x0000000007D3C000-memory.dmp
    Filesize

    624KB

  • memory/4688-135-0x0000000000000000-mapping.dmp
  • memory/4688-136-0x0000000000400000-0x0000000000466000-memory.dmp
    Filesize

    408KB

  • memory/4688-138-0x0000000006550000-0x00000000065B6000-memory.dmp
    Filesize

    408KB

  • memory/4688-139-0x0000000006E90000-0x0000000006EE0000-memory.dmp
    Filesize

    320KB