Analysis

  • max time kernel
    60s
  • max time network
    32s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    10-06-2023 01:28

General

  • Target

    8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe

  • Size

    758KB

  • MD5

    a3b6251f4bbffc665e9102bc4e4076de

  • SHA1

    c67950841989b1ab4b1309096e4961099012b42e

  • SHA256

    8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42

  • SHA512

    2e787dd4079bea1167532ab3d174e01a10d9f67b25f4a7d96ababfcae3d31593352134ad8ad792feb1de4c98a78f4bba15e546917286bb31501c742d61b3f1a6

  • SSDEEP

    12288:Ji4haDnLMzIL2q+RTdOL8iZUi5ipiXRqNcv2pJ4tsLwc6Bb79323asWDj:VOyqGUL8iZUi5KiXENHTLNwb52KDj

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6041893220:AAF8CZzv8AFxOdWhmChH81__ao3x5_lnfqU/

Signatures

  • AgentTesla

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe
    "C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1316
    • C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe
      "C:\Users\Admin\AppData\Local\Temp\8a047f295a91aa91f23be8a37f8c3ee23acb4dd92c14fa4db2fcb25d11e5af42.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:560

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

  • memory/560-66-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/560-61-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/560-62-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/560-72-0x0000000004E20000-0x0000000004E60000-memory.dmp
    Filesize

    256KB

  • memory/560-63-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/560-71-0x0000000004E20000-0x0000000004E60000-memory.dmp
    Filesize

    256KB

  • memory/560-70-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/560-65-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/560-68-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/560-64-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/1316-59-0x00000000056F0000-0x000000000575A000-memory.dmp
    Filesize

    424KB

  • memory/1316-58-0x00000000003D0000-0x00000000003DC000-memory.dmp
    Filesize

    48KB

  • memory/1316-54-0x0000000000E30000-0x0000000000EF4000-memory.dmp
    Filesize

    784KB

  • memory/1316-56-0x00000000002C0000-0x00000000002D4000-memory.dmp
    Filesize

    80KB

  • memory/1316-60-0x0000000004300000-0x0000000004332000-memory.dmp
    Filesize

    200KB

  • memory/1316-55-0x0000000004C70000-0x0000000004CB0000-memory.dmp
    Filesize

    256KB

  • memory/1316-57-0x0000000004C70000-0x0000000004CB0000-memory.dmp
    Filesize

    256KB