Analysis

  • max time kernel
    150s
  • max time network
    92s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    10-08-2021 05:49

General

  • Target

    Int. Quote Inquiry Notice-Export req Bl+CI+Certificate of Origin.exe

  • Size

    828KB

  • MD5

    7a3078f22e1ac3aaf5f8c44b2956f5c3

  • SHA1

    ea035e834a56c5ec504e46dd1f0653640b41609a

  • SHA256

    fcf2392e4f6cff50cca5aa9d3cfa76da02eabc86a698758f5bee49ec4ffe2620

  • SHA512

    3a1ce93713470427df72e6bb5311b170ced61f7af2293aaf190da3bb2fc37a5af3801cafb7ba1d19ff83e9ac38cb3cdb74e82a12fd6091fada10a55b300aed8f

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.turkticaret.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Ackr.2410

Signatures

  • AgentTesla

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

  • AgentTesla Payload 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 WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Int. Quote Inquiry Notice-Export req Bl+CI+Certificate of Origin.exe
    "C:\Users\Admin\AppData\Local\Temp\Int. Quote Inquiry Notice-Export req Bl+CI+Certificate of Origin.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\wNhDvhKm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp23D6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:780
    • C:\Users\Admin\AppData\Local\Temp\Int. Quote Inquiry Notice-Export req Bl+CI+Certificate of Origin.exe
      "C:\Users\Admin\AppData\Local\Temp\Int. Quote Inquiry Notice-Export req Bl+CI+Certificate of Origin.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:572

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

  • C:\Users\Admin\AppData\Local\Temp\tmp23D6.tmp
    MD5

    2bd27f7f90df8d5026e14fc53364bb0e

    SHA1

    68c234843ec9b0bb4d71fa6223f68e86ef75a746

    SHA256

    5e466cf76f690e6a1bfc5e5856bfc3e378ad3f30dbd031efe9e4eaf1bee227ee

    SHA512

    1c414d197418035a3ff2065ee009719f3662e82dc79c9e6573674dd448c936f6115586b6ec66467419969029a50c6a0c83e47b9cbdd69160dc8806eb88fa463c

  • memory/572-67-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/572-68-0x000000000043764E-mapping.dmp
  • memory/572-69-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/572-71-0x0000000004A70000-0x0000000004A71000-memory.dmp
    Filesize

    4KB

  • memory/780-65-0x0000000000000000-mapping.dmp
  • memory/1948-59-0x0000000000010000-0x0000000000011000-memory.dmp
    Filesize

    4KB

  • memory/1948-61-0x0000000004EA0000-0x0000000004EA1000-memory.dmp
    Filesize

    4KB

  • memory/1948-62-0x00000000004E0000-0x00000000004F1000-memory.dmp
    Filesize

    68KB

  • memory/1948-63-0x0000000005ED0000-0x0000000005F69000-memory.dmp
    Filesize

    612KB

  • memory/1948-64-0x0000000001FB0000-0x0000000001FE8000-memory.dmp
    Filesize

    224KB