Analysis

  • max time kernel
    124s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-en-20211014
  • submitted
    18-10-2021 12:48

General

  • Target

    order.exe

  • Size

    433KB

  • MD5

    dd664ec6d8c7ee931799bf5fea8de3a1

  • SHA1

    7f00b0e16829429f2b71e7860f42a00286214aac

  • SHA256

    1e6ec6f7a104787ec1f1c4da75a520ac98635afbda35e9be7735a3712efb2a6f

  • SHA512

    ffcffa5da89cc83a8982d6d34b6d6b35f09798ad399659339d3e06bed2d4bb2aa5f7a90f427f8c6f76724cc74bbea8a3bad399b5eda7ba9a68d227dc48efc377

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    LHfoeKM@700123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 5 IoCs
  • Drops file in Drivers directory 1 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\order.exe
    "C:\Users\Admin\AppData\Local\Temp\order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:616
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WrzgJnnvdgrB" /XML "C:\Users\Admin\AppData\Local\Temp\tmpEC62.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1904
    • C:\Users\Admin\AppData\Local\Temp\order.exe
      "C:\Users\Admin\AppData\Local\Temp\order.exe"
      2⤵
      • Drops file in Drivers directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1460

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/616-55-0x0000000000A80000-0x0000000000A81000-memory.dmp
    Filesize

    4KB

  • memory/616-57-0x0000000075F41000-0x0000000075F43000-memory.dmp
    Filesize

    8KB

  • memory/616-58-0x0000000005010000-0x0000000005011000-memory.dmp
    Filesize

    4KB

  • memory/616-59-0x0000000000540000-0x0000000000548000-memory.dmp
    Filesize

    32KB

  • memory/616-60-0x0000000005050000-0x00000000050A8000-memory.dmp
    Filesize

    352KB

  • memory/1460-62-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1460-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1460-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1460-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1460-66-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1460-67-0x000000000043770E-mapping.dmp
  • memory/1460-68-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1460-70-0x0000000004890000-0x0000000004891000-memory.dmp
    Filesize

    4KB

  • memory/1904-61-0x0000000000000000-mapping.dmp