Overview

overview

10

Static

static

3e2f931e05...fc.exe

windows7_x64

10

3e2f931e05...fc.exe

windows10_x64

10

Analysis

  • max time kernel
    106s
  • max time network
    11s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    21-04-2021 13:52

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General

  • Target

    3e2f931e05a98dae448e6f47833debfc.exe

  • Size

    60KB

  • MD5

    3e2f931e05a98dae448e6f47833debfc

  • SHA1

    801b4031489554caa54648789284c8066da0c23c

  • SHA256

    320c5b4c869e9f7905fbad7dc8d58415d105c8fc5b7d7389cc14cd62c8ebd385

  • SHA512

    e2aee588eaea897e27f1d834e5295df07010ebb8401208b9d2b4f0aca4f2404609eaed67d7e08e6b3bd82dc4198cf45172713f0d778c1bcd3e50e53ae478ff51

Score
10/10
agentteslakeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:     smtp
  • Host:
    hisensetech.ml
  • Port:
    587
  • Username:
    maxlog@hisensetech.ml
  • Password:
    7213575aceACE@#$

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
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

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

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

    spywarestealer
  • Suspicious use of NtSetInformationThreadHideFromDebugger 12 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.

  • Program crash 1 IoCs
  • Delays execution with timeout.exe 1 IoCs
    evasion
  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e2f931e05a98dae448e6f47833debfc.exe
    "C:\Users\Admin\AppData\Local\Temp\3e2f931e05a98dae448e6f47833debfc.exe"
    1⤵
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1632
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:512
      • C:\Windows\SysWOW64\timeout.exe
        timeout 1
        3⤵
        • Delays execution with timeout.exe
        PID:864
    • C:\Users\Admin\AppData\Local\Temp\3e2f931e05a98dae448e6f47833debfc.exe
      "C:\Users\Admin\AppData\Local\Temp\3e2f931e05a98dae448e6f47833debfc.exe"
      2⤵
      • Drops file in Drivers directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 1288
      2⤵
      • Program crash
      PID:1788

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

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

  • memory/512-65-0x0000000000000000-mapping.dmp
    Download
  • memory/856-68-0x000000000043779E-mapping.dmp
    Download
  • memory/856-67-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/856-69-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/856-71-0x0000000000DE0000-0x0000000000DE1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/856-72-0x0000000000DE1000-0x0000000000DE2000-memory.dmp
    Filesize

    4KB

    Download
  • memory/864-66-0x0000000000000000-mapping.dmp
    Download
  • memory/1632-60-0x00000000012E0000-0x00000000012E1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1632-62-0x0000000075551000-0x0000000075553000-memory.dmp
    Filesize

    8KB

    Download
  • memory/1632-63-0x0000000001040000-0x0000000001041000-memory.dmp
    Filesize

    4KB

    Download
  • memory/1632-64-0x00000000005B0000-0x0000000000604000-memory.dmp
    Filesize

    336KB

    Download