Overview

overview

10

Static

static

New suppli...OC.exe

windows7_x64

10

New suppli...OC.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    138s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 22:13

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General

  • Target

    New supplier Inquiry and PO 208203150_ DOC.exe

  • Size

    563KB

  • MD5

    c9d35a3fd5c065d1c6e9674b41d4049b

  • SHA1

    7984a0d06020039e7176ee41d4d05d6b566dd3d3

  • SHA256

    726e4468c86762527d6fd4ebd9ebd07516e00e58eacf31e572b9f6c463727249

  • SHA512

    611f6b6c1629668eee90714d6543a7af45e96d17ee0a0d21719c542833e0ba550418781aa1e5b412b86614a91bb545c6baabe796b30cbcff815758b83b07578d

Score
10/10
agentteslacollectionevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.marinedepot.pw
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ZE(ChcR7

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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.

    persistence
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\New supplier Inquiry and PO 208203150_ DOC.exe
    "C:\Users\Admin\AppData\Local\Temp\New supplier Inquiry and PO 208203150_ DOC.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nWzbBJZ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFE7C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:776
    • C:\Users\Admin\AppData\Local\Temp\New supplier Inquiry and PO 208203150_ DOC.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1936

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

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\tmpFE7C.tmp
    Filesize

    1KB

    MD5

    7d6732b828fd5f73434456343ede16bb

    SHA1

    6d608bb4497165951794934d8aab84737a2b399a

    SHA256

    e2ed6b7fbaada5ac91efe0c1e72bd4d5f37eb58a9a1c97815dd343d1f803dbe9

    SHA512

    0e48fd9bde25feb0bc623d77a879e630305e71372ba8c2844bbd82f753d550ca27df8c9684dc41fa8be691235c83fa1528203e1c054e3c5174569ce9ee570876

    Download Submit
  • memory/776-58-0x0000000000000000-mapping.dmp
    Download
  • memory/924-54-0x0000000000C20000-0x0000000000CB2000-memory.dmp
    Filesize

    584KB

    Download
  • memory/924-55-0x00000000002D0000-0x00000000002DA000-memory.dmp
    Filesize

    40KB

    Download
  • memory/924-56-0x0000000004A60000-0x0000000004ADE000-memory.dmp
    Filesize

    504KB

    Download
  • memory/924-57-0x0000000004E40000-0x0000000004EB8000-memory.dmp
    Filesize

    480KB

    Download
  • memory/1936-60-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/1936-61-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/1936-63-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/1936-64-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/1936-65-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/1936-66-0x000000000045453E-mapping.dmp
    Download
  • memory/1936-68-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/1936-70-0x0000000000400000-0x000000000045A000-memory.dmp
    Filesize

    360KB

    Download
  • memory/1936-71-0x00000000761F1000-0x00000000761F3000-memory.dmp
    Filesize

    8KB

    Download