Analysis

  • max time kernel
    129s
  • max time network
    122s
  • platform
    windows10_x64
  • resource
    win10-en-20211014
  • submitted
    22-10-2021 13:05

General

  • Target

    PO 4520006263.exe

  • Size

    548KB

  • MD5

    5f1a5b9f4fda1483f9409035d19a270f

  • SHA1

    3fa2c9986bb4b99853126ab5591cc6d35ad3489a

  • SHA256

    141f6635e9a73f078448f505b92eeb333ce841e4ce781995b75844e448ece1a6

  • SHA512

    dd05faa74447536a598023886a3d3923ffe548f2543cc391a3781e8bfb798e0f4700d537d10fcfe1c3cd5b0424b4c4a5f65a2631011d2cd8d5356386f320b70f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dairysystems.co.ke
  • Port:
    587
  • Username:
    info@dairysystems.co.ke
  • Password:
    2019@systems

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 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\PO 4520006263.exe
    "C:\Users\Admin\AppData\Local\Temp\PO 4520006263.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3656
    • C:\Users\Admin\AppData\Local\Temp\PO 4520006263.exe
      "C:\Users\Admin\AppData\Local\Temp\PO 4520006263.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:3956

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\PO 4520006263.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/3656-122-0x0000000008840000-0x0000000008841000-memory.dmp
    Filesize

    4KB

  • memory/3656-118-0x0000000004B20000-0x0000000004B21000-memory.dmp
    Filesize

    4KB

  • memory/3656-119-0x0000000004A20000-0x0000000004F1E000-memory.dmp
    Filesize

    5.0MB

  • memory/3656-120-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
    Filesize

    4KB

  • memory/3656-121-0x0000000005910000-0x0000000005917000-memory.dmp
    Filesize

    28KB

  • memory/3656-115-0x0000000000260000-0x0000000000261000-memory.dmp
    Filesize

    4KB

  • memory/3656-123-0x00000000088E0000-0x0000000008938000-memory.dmp
    Filesize

    352KB

  • memory/3656-117-0x0000000004F20000-0x0000000004F21000-memory.dmp
    Filesize

    4KB

  • memory/3956-124-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3956-125-0x00000000004374CE-mapping.dmp
  • memory/3956-131-0x0000000004DA0000-0x0000000004DA1000-memory.dmp
    Filesize

    4KB

  • memory/3956-132-0x0000000004F10000-0x0000000004F11000-memory.dmp
    Filesize

    4KB

  • memory/3956-133-0x0000000005AA0000-0x0000000005AA1000-memory.dmp
    Filesize

    4KB