Analysis

  • max time kernel
    97s
  • max time network
    54s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    20-05-2022 18:52

General

  • Target

    SecuriteInfo.com.W32.AIDetectNet.01.3863.exe

  • Size

    33KB

  • MD5

    f9b22eba385a5cc41beeb04219154a65

  • SHA1

    edd510202518fe38df66cccb798b67aaf403e7c7

  • SHA256

    ccc113567da099b116f4a0123a95378bc17381787ddccd070b7277549aac0eb6

  • SHA512

    6b91050e6cdca5445cf55be511017ec68a6ecb25aa8d02a9fc4cbb26a9721cfaf86747b5e1ef5cf1b7b41435cef1b625f8f346e134dfbf533efc2ae5985b3ad4

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • AgentTesla Payload 6 IoCs
  • Adds Run key to start application 2 TTPs 1 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.

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.3863.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.W32.AIDetectNet.01.3863.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:636
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c timeout 20
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2004
      • C:\Windows\SysWOW64\timeout.exe
        timeout 20
        3⤵
        • Delays execution with timeout.exe
        PID:1784
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1164

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/636-54-0x0000000001200000-0x000000000120E000-memory.dmp
    Filesize

    56KB

  • memory/636-55-0x0000000075781000-0x0000000075783000-memory.dmp
    Filesize

    8KB

  • memory/636-56-0x0000000005650000-0x00000000056B0000-memory.dmp
    Filesize

    384KB

  • memory/636-57-0x0000000005420000-0x000000000546C000-memory.dmp
    Filesize

    304KB

  • memory/1164-60-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1164-61-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1164-63-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1164-64-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1164-65-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1164-66-0x0000000000436DAE-mapping.dmp
  • memory/1164-68-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1164-70-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1784-59-0x0000000000000000-mapping.dmp
  • memory/2004-58-0x0000000000000000-mapping.dmp