Overview

overview

10

Static

static

Purchase_O...df.exe

windows7-x64

10

Purchase_O...df.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    104s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2022 08:42

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General

  • Target

    Purchase_Order_08_012_022_pdf.exe

  • Size

    974KB

  • MD5

    aa7a51b5493088a91c6f6f20115f7bf9

  • SHA1

    b243bbba75436ee6edb5b39c936d07c265c8ad39

  • SHA256

    5d5f5f1c9d0cd0dfefecbc7f99eaa86c6cdd58bda830bd8c7dcbd3d2ced7891f

  • SHA512

    8537b239f8fa76b7d3be8f53590281f4dc43e7470a8c840c266e1f46b569482c24c83a3c6df5bc74ce101deb08f0298f0fcc63e5ff0240bb4dac3057bd5859a9

  • SSDEEP

    12288:Scr2iN8Q0asStsHMBuiO+wHXm24OWSh7qk2ed75bMLByqzNMPtgURVrDJnR6haKs:Rr19fztpBu1+wcMhuk4LBI

Score
10/10
agentteslaevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    smtp.huiijingco.com
  • Port:
    587
  • Username:
    m@huiijingco.com
  • Password:
    lNLUrZT2

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 1 IoCs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • 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.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • 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:1792
    • 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\Purchase_Order_08_012_022_pdf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1992
    • C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe
      "C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe"
      2⤵
        PID:584
      • C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe
        "C:\Users\Admin\AppData\Local\Temp\Purchase_Order_08_012_022_pdf.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:768

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Virtualization/Sandbox Evasion

    2
    T1497

    Credential Access

    Discovery

    Query Registry

    4
    T1012

    Virtualization/Sandbox Evasion

    2
    T1497

    System Information Discovery

    3
    T1082

    Peripheral Device Discovery

    1
    T1120

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/768-67-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/768-66-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/768-72-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/768-70-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/768-63-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/768-68-0x0000000000436C5E-mapping.dmp
      Download
    • memory/768-62-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/768-65-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

      Download
    • memory/1792-58-0x0000000005480000-0x0000000005510000-memory.dmp
      Filesize

      576KB

      Download
    • memory/1792-61-0x00000000058C0000-0x0000000005918000-memory.dmp
      Filesize

      352KB

      Download
    • memory/1792-55-0x0000000076321000-0x0000000076323000-memory.dmp
      Filesize

      8KB

      Download
    • memory/1792-54-0x0000000000090000-0x000000000018A000-memory.dmp
      Filesize

      1000KB

      Download
    • memory/1792-57-0x00000000007D0000-0x00000000007DE000-memory.dmp
      Filesize

      56KB

      Download
    • memory/1792-56-0x00000000007C0000-0x00000000007D6000-memory.dmp
      Filesize

      88KB

      Download
    • memory/1992-59-0x0000000000000000-mapping.dmp
      Download
    • memory/1992-73-0x000000006F0D0000-0x000000006F67B000-memory.dmp
      Filesize

      5.7MB

      Download