Overview

overview

10

Static

static

78594-854 ...cx.exe

windows7_x64

10

78594-854 ...cx.exe

windows10_x64

10

Analysis

  • max time kernel
    143s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7v20210410
  • submitted
    21-04-2021 14:35

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General

  • Target

    78594-854 Booking confirmation docx.exe

  • Size

    1.2MB

  • MD5

    aa2e1a9609044d3d2ebcc0576417668d

  • SHA1

    7f6b766f64c09b5e23a2836f52a819915bbf3ec8

  • SHA256

    cbad9f9eabd3439596d81e2e54c3fbc37aba236f7a62c377a0e291dc8b0a8906

  • SHA512

    975d0b5265eb39800ac56fff9c514f2004883992d0198c17e6a00207ea70c93ea15fac9793fab139a19df06397283516148518d7e2841a7f98c055d8d231d1f4

Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.akdogulojistik.com
  • Port:
    587
  • Username:
    servet@akdogulojistik.com
  • Password:
    Ak6363Dogu2009

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\78594-854 Booking confirmation docx.exe
    "C:\Users\Admin\AppData\Local\Temp\78594-854 Booking confirmation docx.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:664
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XuWTRbd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC67A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:884
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:332

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpC67A.tmp
    MD5

    4ed48783886239f80505b02d4396b064

    SHA1

    6111ac581826ea71f6039d926575a5f22a9b5a68

    SHA256

    a105956170cac9abd79aa7d2be38f509c30c701616c2ebe78b90e024ad2fba71

    SHA512

    87b092ac3451d31ec30febc312b2c953d264acfc37c7ce6919586d3266d55f1f6cec7091cfffe77c424850bf0507deae6dc1d7b90ee250547f746bf9558acb5a

    Download Submit
  • memory/332-68-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/332-69-0x000000000043783E-mapping.dmp
    Download
  • memory/332-70-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/332-72-0x0000000004960000-0x0000000004961000-memory.dmp
    Filesize

    4KB

    Download
  • memory/332-73-0x0000000004961000-0x0000000004962000-memory.dmp
    Filesize

    4KB

    Download
  • memory/664-60-0x0000000000FF0000-0x0000000000FF1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/664-62-0x00000000009C0000-0x00000000009C1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/664-63-0x00000000003D0000-0x00000000003DE000-memory.dmp
    Filesize

    56KB

    Download
  • memory/664-64-0x0000000007EE0000-0x0000000007FA7000-memory.dmp
    Filesize

    796KB

    Download
  • memory/664-65-0x00000000059D0000-0x0000000005A5A000-memory.dmp
    Filesize

    552KB

    Download
  • memory/884-66-0x0000000000000000-mapping.dmp
    Download