Analysis

  • max time kernel
    176s
  • max time network
    187s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:59

General

  • Target

    ORDER_LIST.exe

  • Size

    444KB

  • MD5

    84e7c04788a3a119123f56312db8c042

  • SHA1

    f0acaefd55714c85d04b8a7a989946d4cfbeb8c0

  • SHA256

    bfca04674fa6b8750999ea3885509542dd6bd0574cdb1dae6d4161ab70badb54

  • SHA512

    f19566d1d8345d0a1073a792b3521c191d7b331d948133f87d7ec413311f19d54a423a3303e6f0e229db7fac8eb7ebf0dfb2fcea9c38817066797d74520f77c9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.ab-care.eu
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    bayar@2017@abcare

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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). 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 SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ORDER_LIST.exe
    "C:\Users\Admin\AppData\Local\Temp\ORDER_LIST.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\hcGmRnlXq" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD0AE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2400
    • C:\Users\Admin\AppData\Local\Temp\ORDER_LIST.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:2696

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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpD0AE.tmp
    Filesize

    1KB

    MD5

    0d688594edf858f87abfe67985476184

    SHA1

    ade2da309b53263a4a641906967567cbbf069382

    SHA256

    d56679bfa2f3ce11f7e8a0430c8688f61777bb480f774d2b63df08911e19722b

    SHA512

    3a65462f757e214e89fe7f09eed945125919303b39922e075d0bf841a3005ae0e1a28f1abd22ad48ee076776a8df72d006e7558c6ca643279ad06c8542010339

  • memory/1276-130-0x0000000074BC0000-0x0000000075171000-memory.dmp
    Filesize

    5.7MB

  • memory/2400-131-0x0000000000000000-mapping.dmp
  • memory/2696-133-0x0000000000000000-mapping.dmp
  • memory/2696-134-0x0000000000400000-0x0000000000450000-memory.dmp
    Filesize

    320KB

  • memory/2696-135-0x0000000074BC0000-0x0000000075171000-memory.dmp
    Filesize

    5.7MB