Analysis

  • max time kernel
    143s
  • max time network
    111s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-11-2020 07:11

General

  • Target

    SHIPPING DOCUMENT & PACKING LIST.exe

  • Size

    500KB

  • MD5

    8606b486e3efb971e0c629ea8260368c

  • SHA1

    1030a41cf3debb6f82464b9b95d33da0d5199c9f

  • SHA256

    6abf5552765851e4db6d8346af1473568c7d1497fd848648e32bd1c5c8d8cb2f

  • SHA512

    7e98d88ae39fedeb405deaa33c8ea98bdfb0f8ac2a9a495a17618f17b70851899a2c77428d1100c4e3ef919b51f7619e2a2f0b3fb20546409306a97f33e1a55c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lockitsolutions.co.ke
  • Port:
    587
  • Username:
    ikenna@lockitsolutions.co.ke
  • Password:
    ouh$PPGm#v3K

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Drops file in Drivers directory 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PACKING LIST.exe
    "C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PACKING LIST.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:944
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\YVepwAeGKd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp5276.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3448
    • C:\Users\Admin\AppData\Local\Temp\SHIPPING DOCUMENT & PACKING LIST.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2848

Network

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

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SHIPPING DOCUMENT & PACKING LIST.exe.log
    MD5

    3fed8d1dd11972a6e2603bb2d73a3ee5

    SHA1

    7ecb7f64ade7b91c5815da647e84167c3d95afb4

    SHA256

    eecf6c0575dc995a485d46a5daaa66f58229e552f16782d873834d218ab17551

    SHA512

    ca6059eb67f800cc666d5146d24070abf5ee08209f8f9d1668a0ca2201eb3f6fa013c2d807b09925e12b82c37686980fcc26a6a5e4a5ba129c4b2a585961d3bb

  • C:\Users\Admin\AppData\Local\Temp\tmp5276.tmp
    MD5

    c84c867ab07f7bd80f66bcbe5a2957f2

    SHA1

    8cfec3cc543a7c5b3a4980c7ed6b1eadeb16f68f

    SHA256

    e92e8dfbb676f9026a250393dc13c0a129f95aefe3d188209b2085e06f2cf3ac

    SHA512

    632c60d1b5f06a185c1ef6ed4f3c29f8af39e437ad8d410993039cb6c8e0dab66dbdfd662012bcb100bb6e870c5288d98dc79e64dc5818b8b3a38615610f7240

  • memory/944-9-0x0000000006670000-0x00000000066D1000-memory.dmp
    Filesize

    388KB

  • memory/944-4-0x0000000004950000-0x0000000004951000-memory.dmp
    Filesize

    4KB

  • memory/944-5-0x0000000004900000-0x0000000004901000-memory.dmp
    Filesize

    4KB

  • memory/944-6-0x0000000008380000-0x0000000008381000-memory.dmp
    Filesize

    4KB

  • memory/944-7-0x0000000007E50000-0x0000000007E51000-memory.dmp
    Filesize

    4KB

  • memory/944-8-0x0000000004D80000-0x0000000004D94000-memory.dmp
    Filesize

    80KB

  • memory/944-0-0x0000000073460000-0x0000000073B4E000-memory.dmp
    Filesize

    6.9MB

  • memory/944-1-0x0000000000040000-0x0000000000041000-memory.dmp
    Filesize

    4KB

  • memory/944-3-0x0000000004DB0000-0x0000000004DB1000-memory.dmp
    Filesize

    4KB

  • memory/2848-13-0x000000000043774E-mapping.dmp
  • memory/2848-12-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/2848-15-0x0000000073460000-0x0000000073B4E000-memory.dmp
    Filesize

    6.9MB

  • memory/2848-20-0x0000000005200000-0x0000000005201000-memory.dmp
    Filesize

    4KB

  • memory/2848-21-0x0000000005D10000-0x0000000005D11000-memory.dmp
    Filesize

    4KB

  • memory/3448-10-0x0000000000000000-mapping.dmp