Overview

overview

10

Static

static

BL & Origi...68.exe

windows7_x64

10

BL & Origi...68.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    112s
  • max time network
    49s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 11:17

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General

  • Target

    BL & Original Shipping Documents AWB-62987268.exe

  • Size

    731KB

  • MD5

    7236e60628c25d1b48ae9de6eb5e6b8c

  • SHA1

    486cab73374fc98b369a1caf19bc2fc7c9285ad1

  • SHA256

    8ac57ec0d32b453aa23a1c7149d5cd5695c8a99a9bd0b792bfc1411b1216c4da

  • SHA512

    32e489c7ad82171d9349d7a89191d222aa3f784e462589345f3d1a010e63c024cd08232844d529d3396b60c505b3ef35f9378cea2c6efdd094e4b94c58d72873

Score
10/10
agentteslacollectionevasionkeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    drsaint1992101

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Disables RegEdit via registry modification
    evasion
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

    spywarestealer
  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
    collection
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

    persistence
  • Modifies registry key 1 TTPs 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BL & Original Shipping Documents AWB-62987268.exe
    "C:\Users\Admin\AppData\Local\Temp\BL & Original Shipping Documents AWB-62987268.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:892
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CdKZXCSedTjRc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA258.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1724
    • C:\Users\Admin\AppData\Local\Temp\BL & Original Shipping Documents AWB-62987268.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:1728
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System / v DisableTaskMgr / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:972
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer / v NoRun / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:1092
      • C:\Windows\SysWOW64\REG.exe
        REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\Explorer / v NoControlPanel / t REG_DWORD / d 1 / f
        3⤵
        • Modifies registry key
        PID:1828
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 1728 -s 1064
        3⤵
        • Program crash
        PID:1308

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA258.tmp
    Filesize

    1KB

    MD5

    5f750556ad271d4ccc76e51680056efd

    SHA1

    0ede7bb5a73c48c15d52910359317e70c0d142df

    SHA256

    f6ee30d96b82d829b83c872d74b0a272ce68728dfc87e0b7ceb84e6c950e34f3

    SHA512

    43ca334883363bde4830fc70e68359024678eaa424ac3caecd67c6fb9eb774578d38e57e0bf27858a75b8e6fd486f0e68abb49d6c9203c67ee0d7bc266830661

    Download Submit
  • memory/892-55-0x0000000075441000-0x0000000075443000-memory.dmp
    Filesize

    8KB

    Download
  • memory/892-56-0x0000000000490000-0x000000000049A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/892-57-0x0000000004A00000-0x0000000004A54000-memory.dmp
    Filesize

    336KB

    Download
  • memory/892-54-0x0000000000CC0000-0x0000000000D7E000-memory.dmp
    Filesize

    760KB

    Download
  • memory/972-72-0x0000000000000000-mapping.dmp
    Download
  • memory/1092-73-0x0000000000000000-mapping.dmp
    Download
  • memory/1308-75-0x0000000000000000-mapping.dmp
    Download
  • memory/1724-58-0x0000000000000000-mapping.dmp
    Download
  • memory/1728-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1728-65-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1728-66-0x0000000000447B0E-mapping.dmp
    Download
  • memory/1728-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1728-70-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1728-64-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1728-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1728-60-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1828-74-0x0000000000000000-mapping.dmp
    Download