Analysis

  • max time kernel
    120s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 07:11

General

  • Target

    Quote UPDATE  27-03-24.exe

  • Size

    668KB

  • MD5

    503cdfe56819696af4c1336045ff6ca7

  • SHA1

    b44c671486cd3f5341ebe42567d9d5c7abadf079

  • SHA256

    9a71fbe977c8db9b96f804494901b49117db817bce171818140629a345b7eeaf

  • SHA512

    6fdf9005c2e22c85a6cb1a2aa72fc53a3e53128b66695d79ed3825e85d04fb7ca15197c20a09d987e4c44309a30b766e5b2f604455b7faa7106a314a02686072

  • SSDEEP

    12288:9d1JsJ6SSR1Sh2iNwIHLgjseXBEOPETAHEP8PWuuDpqGTTrvPWZHOQ1S:9d1w1GVjseqaNkPCu4WXXAd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mbarieservicesltd.com
  • Port:
    587
  • Username:
    saless@mbarieservicesltd.com
  • Password:
    *o9H+18Q4%;M
  • Email To:
    iinfo@mbarieservicesltd.com

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Quote UPDATE  27-03-24.exe
    "C:\Users\Admin\AppData\Local\Temp\Quote UPDATE  27-03-24.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Quote UPDATE  27-03-24.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2688
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\OJDIQaIA.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3064
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OJDIQaIA" /XML "C:\Users\Admin\AppData\Local\Temp\tmpACC3.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2624
    • C:\Users\Admin\AppData\Local\Temp\Quote UPDATE  27-03-24.exe
      "C:\Users\Admin\AppData\Local\Temp\Quote UPDATE  27-03-24.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2836

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpACC3.tmp
    Filesize

    1KB

    MD5

    42bba4012df7b5a499a93fdede2c5a6c

    SHA1

    70d70fbf8ef113cdb64f2048b0b74b6ee53f9b48

    SHA256

    73791ef707d75169c60baa17d30d571cc3629ee008c460f8e60e11883ffe9cca

    SHA512

    81cbd12ef1108cf6c8dcfb2a67aa2ddcaddf784759047eb8f3bdcc67a9732a11693ee4bb22ff3a951704b965754fe0083b1af24ad71b2198f2cc8765c7a4c8bd

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    09ec32230c8cbc2a44820a1c1041cab9

    SHA1

    e74fa6218c274f69b8ccd082ec56d238489eb9cb

    SHA256

    f0c5da74b6f4c290831e85b9c6c34c4de3a63477e36259a4bdc849948d65e182

    SHA512

    7f3fc01d9400ad676b0e70e7fa26e7366c5fa4fc48d6654f0e954144219dd851503d62ccb1656216d008770b3137f2090e3b59877c44e513a96a115e7feceb92

  • memory/2656-27-0x0000000074650000-0x0000000074D3E000-memory.dmp
    Filesize

    6.9MB

  • memory/2656-0-0x00000000001B0000-0x000000000025A000-memory.dmp
    Filesize

    680KB

  • memory/2656-5-0x0000000004DE0000-0x0000000004E52000-memory.dmp
    Filesize

    456KB

  • memory/2656-1-0x0000000074650000-0x0000000074D3E000-memory.dmp
    Filesize

    6.9MB

  • memory/2656-3-0x0000000000810000-0x0000000000822000-memory.dmp
    Filesize

    72KB

  • memory/2656-2-0x0000000004900000-0x0000000004940000-memory.dmp
    Filesize

    256KB

  • memory/2656-4-0x0000000001D30000-0x0000000001D3C000-memory.dmp
    Filesize

    48KB

  • memory/2688-41-0x000000006EA20000-0x000000006EFCB000-memory.dmp
    Filesize

    5.7MB

  • memory/2688-39-0x000000006EA20000-0x000000006EFCB000-memory.dmp
    Filesize

    5.7MB

  • memory/2688-36-0x0000000002660000-0x00000000026A0000-memory.dmp
    Filesize

    256KB

  • memory/2688-37-0x0000000002660000-0x00000000026A0000-memory.dmp
    Filesize

    256KB

  • memory/2688-31-0x000000006EA20000-0x000000006EFCB000-memory.dmp
    Filesize

    5.7MB

  • memory/2836-20-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2836-29-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2836-22-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2836-21-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2836-24-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2836-43-0x0000000073400000-0x0000000073AEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2836-42-0x0000000002130000-0x0000000002170000-memory.dmp
    Filesize

    256KB

  • memory/2836-26-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2836-19-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2836-18-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2836-38-0x0000000073400000-0x0000000073AEE000-memory.dmp
    Filesize

    6.9MB

  • memory/3064-35-0x0000000002660000-0x00000000026A0000-memory.dmp
    Filesize

    256KB

  • memory/3064-30-0x000000006EA20000-0x000000006EFCB000-memory.dmp
    Filesize

    5.7MB

  • memory/3064-34-0x000000006EA20000-0x000000006EFCB000-memory.dmp
    Filesize

    5.7MB

  • memory/3064-40-0x000000006EA20000-0x000000006EFCB000-memory.dmp
    Filesize

    5.7MB

  • memory/3064-33-0x0000000002660000-0x00000000026A0000-memory.dmp
    Filesize

    256KB

  • memory/3064-32-0x0000000002660000-0x00000000026A0000-memory.dmp
    Filesize

    256KB