Analysis

  • max time kernel
    151s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 12:44

General

  • Target

    NEW ORDER.PDF.exe

  • Size

    403KB

  • MD5

    23df4ba5477379f16cc8ddaa6c6b2687

  • SHA1

    dd640ee2f95b52750aea77ad29b801c6fbf8b6f3

  • SHA256

    2645e6f05ce2c3ebfb5e928cfe3216d6da26dbe57c63113d70b8447b3fd21b5e

  • SHA512

    40f7fd072fb9dfd2f9872d0526b1280eb1b7cc57d9f2a7e7ceed7f534fcfe031f5e1eefbc405b90550c6779c47442d7e68f6c0850e3c9aaa247cb58f0c2e9dee

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.crafttechcuttingtools.com
  • Port:
    587
  • Username:
    enquiry@crafttechcuttingtools.com
  • Password:
    jagannath@123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW ORDER.PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW ORDER.PDF.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1092
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ecoIHdbjhBi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp250F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2016
    • C:\Users\Admin\AppData\Local\Temp\NEW ORDER.PDF.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1732

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

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp250F.tmp
    Filesize

    1KB

    MD5

    18caa27f64aeb46285801f668eb201f6

    SHA1

    8566a812a4649e31572d7f2157535077d438364b

    SHA256

    291f3c488936892de671aa1d85e1c68265cd5dca94dc1c18a955ebd2770edede

    SHA512

    6ef5cc02140efd474a8c1a24347e639bedf48cf609533b406a5e073967aff58cea948a9fdb2a384d60cf4bb2926cf942e47fa0eca86a379e0a4d50dc9967f423

  • memory/1092-55-0x0000000000290000-0x0000000000298000-memory.dmp
    Filesize

    32KB

  • memory/1092-56-0x0000000000B60000-0x0000000000BB4000-memory.dmp
    Filesize

    336KB

  • memory/1092-54-0x00000000013B0000-0x000000000141C000-memory.dmp
    Filesize

    432KB

  • memory/1732-65-0x0000000000446B7E-mapping.dmp
  • memory/1732-59-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1732-60-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1732-62-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1732-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1732-64-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1732-67-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1732-69-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1732-70-0x00000000765C1000-0x00000000765C3000-memory.dmp
    Filesize

    8KB

  • memory/2016-57-0x0000000000000000-mapping.dmp