Overview

overview

10

Static

static

Amount 30,000 EUR.exe

windows7_x64

10

Amount 30,000 EUR.exe

windows10-2004_x64

10

Analysis

  • max time kernel
    132s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    21-05-2022 00:37

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General

  • Target

    Amount 30,000 EUR.exe

  • Size

    615KB

  • MD5

    6f5cc8fa4d270a910af4fe1a3200f8fa

  • SHA1

    b5b4fe3824f4baf08d0bf7e19bd4f73589d4b305

  • SHA256

    92937f7868601189fc7a3c51f7de21a1a16d92d2ec823cc6faf69cebc8939376

  • SHA512

    b8dcede8e0506a5feab87319d345c471f3aa14fffb0c70cd94737f9147b5d6ad27dc9dce356067fef23184c5c9eacddfe9d91f5ecd0936ccf83ff92a714aa911

Score
10/10
agentteslaevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    mail.cybix.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cybix@16july

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • AgentTesla Payload 6 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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 WriteProcessMemory 13 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Amount 30,000 EUR.exe
    "C:\Users\Admin\AppData\Local\Temp\Amount 30,000 EUR.exe"
    1⤵
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1900
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA89F.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:676
    • C:\Users\Admin\AppData\Local\Temp\Amount 30,000 EUR.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1380

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA89F.tmp
    Filesize

    1KB

    MD5

    ab15c7fe3dc23f51a8ed4545eb54a9cb

    SHA1

    206a5e711a5b8819deae10c568fa760a23d9308c

    SHA256

    2889f7b15e75b474bfa37c720f216861f138e8e39e1d2f807ce751a21086674b

    SHA512

    29b8f09dfa625fad63d6cae0fd9d9f9ea19a4b5a001138c5afb644c0d37f1cc2e7bf51a4242af433568b22b19613b1570a234474663cc659dd4ad54c7407a114

    Download Submit
  • memory/676-58-0x0000000000000000-mapping.dmp
    Download
  • memory/1380-64-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1380-60-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1380-61-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1380-63-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1380-65-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1380-66-0x00000000004470FE-mapping.dmp
    Download
  • memory/1380-68-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1380-70-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

    Download
  • memory/1380-71-0x0000000075FB1000-0x0000000075FB3000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1900-57-0x00000000007F0000-0x0000000000846000-memory.dmp
    Filesize

    344KB

    Download
  • memory/1900-56-0x0000000004D10000-0x0000000004D84000-memory.dmp
    Filesize

    464KB

    Download
  • memory/1900-55-0x0000000000330000-0x0000000000338000-memory.dmp
    Filesize

    32KB

    Download
  • memory/1900-54-0x0000000000870000-0x0000000000910000-memory.dmp
    Filesize

    640KB

    Download