Overview

overview

10

Static

static

purchase items.exe

windows7_x64

10

purchase items.exe

windows10_x64

3

Analysis

  • max time kernel
    111s
  • max time network
    117s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    31-07-2020 17:34

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General

  • Target

    purchase items.exe

  • Size

    460KB

  • MD5

    327559d02c47e83c76176801e5d61e82

  • SHA1

    cdf282cfc1551e3833bc373f4d856921b89d2f3b

  • SHA256

    929b3de95bbd633a33db18a4099536fb5e22698d59ebe9588eb927f0aaef01da

  • SHA512

    bccfc8ff67dfbaa5e301e71dfacfbdd57e6025941df83fcb6a83ec1ef6b5b20a0cebf3ed633b7f36fe731611b39129c8735ae95efa34150f7f5eac0fbba926c9

Score
10/10
agentteslakeyloggerpersistencespywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.tsa.ae
  • Port:
    587
  • Username:
    tsabmw@tsa.ae
  • Password:
    HbtBd3(_ZSvL

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 4 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

    spyware
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

    spyware
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spyware
  • Adds Run key to start application 2 TTPs 1 IoCs
    persistence
  • 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 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\purchase items.exe
    "C:\Users\Admin\AppData\Local\Temp\purchase items.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1508
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBE20.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1128
    • C:\Users\Admin\AppData\Local\Temp\purchase items.exe
      "{path}"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1524

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

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Lateral Movement

Collection

Data from Local System

3
T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpBE20.tmp
    MD5

    77fb853e8f745f44d1f5fd3577ce772f

    SHA1

    7ffc71dfb041c0e963f683674e36301e362b723e

    SHA256

    0e57ac65e9146f47af2721b6824882ff549df9106874faf0e2f417eb555476e4

    SHA512

    6a2963e9df68e0ec62c19d93ca56bd4086f11aca6249e333bddf1254149ad3b09077e0d67e77ed2dffd5ab8cedbbe26e643a2d8c50fba79994d4305b630b091a

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  • memory/1128-2-0x0000000000000000-mapping.dmp
    Download
  • memory/1508-1-0x0000000000000000-0x0000000000000000-disk.dmp
    Download
  • memory/1524-4-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1524-5-0x0000000000446E7E-mapping.dmp
    Download
  • memory/1524-6-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1524-7-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download