Overview

overview

10

Static

static

65c72bf3dc...26.exe

windows7-x64

10

65c72bf3dc...26.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    198s
  • max time network
    205s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-12-2022 12:14

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General

  • Target

    65c72bf3dc1578f9c05bb413361e327e87061051f906e8f77b4b9a4a4364cb26.exe

  • Size

    601KB

  • MD5

    128654730409866020e77b9e55058085

  • SHA1

    175f61b8555bbada0745a02efad46d61be0cb8e4

  • SHA256

    65c72bf3dc1578f9c05bb413361e327e87061051f906e8f77b4b9a4a4364cb26

  • SHA512

    cef31eaef0043e0002c43850ebd5d5b4c1e5a06fe0ae435331c20b72bb88bcd48fd46af8602f58e53567fe508ede8c4afa518d48894a6cda4049698e3c156d46

  • SSDEEP

    12288:1x3MopUon7IMwM8EzwllEoWo6ACRSABfUnGTRpHdfW5BDwYRfi+dHo3hmdiy3Z7c:k6ACRSuU8h9WPxHo3kTlc

Score
10/10
agentteslaevasionkeyloggerspywarestealertrojan

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

    keyloggertrojanstealerspywareagenttesla
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
    evasion
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
    evasion
  • Checks BIOS information in registry 2 TTPs 2 IoCs

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\65c72bf3dc1578f9c05bb413361e327e87061051f906e8f77b4b9a4a4364cb26.exe
    "C:\Users\Admin\AppData\Local\Temp\65c72bf3dc1578f9c05bb413361e327e87061051f906e8f77b4b9a4a4364cb26.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Checks computer location settings
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3328
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\sckjEnnXiKBFmN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB244.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4752
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:740

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

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

4
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\tmpB244.tmp
    Filesize

    1KB

    MD5

    f119bcb04058787f5aa066f999288851

    SHA1

    e33cc6227d34fa675b80962123c15536478719cc

    SHA256

    81a3d3d927106c77604c9d829839d2506b071a07bad9c245aaf48c0a858baed0

    SHA512

    2d832f2cca4392ebf16dc7273894ed8759d4d8761187bb5716ac16026f0123305f22629bf6e568042e3ba86eef59df8ba0aa7b09c76e3d5889f14c26de01f208

    Download Submit
  • memory/740-140-0x0000000000000000-mapping.dmp
    Download
  • memory/740-141-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

    Download
  • memory/3328-132-0x0000000000810000-0x00000000008AC000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3328-133-0x0000000005820000-0x0000000005DC4000-memory.dmp
    Filesize

    5.6MB

    Download
  • memory/3328-134-0x0000000005270000-0x0000000005302000-memory.dmp
    Filesize

    584KB

    Download
  • memory/3328-135-0x00000000053B0000-0x000000000544C000-memory.dmp
    Filesize

    624KB

    Download
  • memory/3328-136-0x0000000005790000-0x000000000579A000-memory.dmp
    Filesize

    40KB

    Download
  • memory/3328-137-0x0000000007870000-0x00000000078D6000-memory.dmp
    Filesize

    408KB

    Download
  • memory/4752-138-0x0000000000000000-mapping.dmp
    Download