Analysis

  • max time kernel
    118s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27-03-2024 02:23

General

  • Target

    da453b1b8927be6d7714036b6089a94641f7eafcac495be86d121543d42b4679.exe

  • Size

    714KB

  • MD5

    56d14e3987e9ad35bf1bd23f860bd9b0

  • SHA1

    56d0089f14f78f23c67270036881a052b1e48c4e

  • SHA256

    da453b1b8927be6d7714036b6089a94641f7eafcac495be86d121543d42b4679

  • SHA512

    77f35c7898606bc00f94bf4da8fdc271825ebb612c6138e156be6ad842864fc576d6df11b840ac8aa2377dcefe173377247b6042b012479a413ff0bc3d191cfb

  • SSDEEP

    12288:Q4CMwhob8XQbTa+e5ssnnRLhXPxdWEcfTI7ecBgLGwNsTtmX2NaZBqiA:2obiQPBe5ssnRLNZdyiOhsTgX2NiBq

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

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

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 3 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 28 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\da453b1b8927be6d7714036b6089a94641f7eafcac495be86d121543d42b4679.exe
    "C:\Users\Admin\AppData\Local\Temp\da453b1b8927be6d7714036b6089a94641f7eafcac495be86d121543d42b4679.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2868
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\da453b1b8927be6d7714036b6089a94641f7eafcac495be86d121543d42b4679.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2824
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IkJYWazYfN.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2372
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IkJYWazYfN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpCD5D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2584
    • C:\Users\Admin\AppData\Local\Temp\da453b1b8927be6d7714036b6089a94641f7eafcac495be86d121543d42b4679.exe
      "C:\Users\Admin\AppData\Local\Temp\da453b1b8927be6d7714036b6089a94641f7eafcac495be86d121543d42b4679.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2776

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpCD5D.tmp
    Filesize

    1KB

    MD5

    b0a9fed3ce57ae0674e154a558da8ac3

    SHA1

    a3eae9b2e1dcd646a6728b9664f75b9d44e12a3b

    SHA256

    41eff2cb989db1d0ed97a0b23039be82521710d02e7bac9c639bb207fd69dab5

    SHA512

    eaae79a132a21b4943b2ba867f51765734ee9321a844e2ad2fe79c7cc8a7223da837d8c9cf282f926465208873caf4e39c9a3604eefa316c684c946f886ca745

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    80dc2137ef50a8611604b937a82edee3

    SHA1

    1034c9f147b44e390fa942413e2337a8863685ef

    SHA256

    d36b64ac5abab32303bd7f5c02c2d64c7110b0e600154ee1fe0c90beb260a66d

    SHA512

    ffd495b6221853b189f127f667d2c4a5c3e2fc373e0fcab9efc7ef1a556c8b7662e960e1febf2eef76ca8aa6280b912d81864e47132c1aff6c59a071192034d5

  • memory/2372-39-0x0000000002580000-0x00000000025C0000-memory.dmp
    Filesize

    256KB

  • memory/2372-37-0x000000006F120000-0x000000006F6CB000-memory.dmp
    Filesize

    5.7MB

  • memory/2372-47-0x000000006F120000-0x000000006F6CB000-memory.dmp
    Filesize

    5.7MB

  • memory/2372-32-0x000000006F120000-0x000000006F6CB000-memory.dmp
    Filesize

    5.7MB

  • memory/2372-44-0x0000000002580000-0x00000000025C0000-memory.dmp
    Filesize

    256KB

  • memory/2372-43-0x0000000002580000-0x00000000025C0000-memory.dmp
    Filesize

    256KB

  • memory/2776-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2776-30-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2776-40-0x0000000074D50000-0x000000007543E000-memory.dmp
    Filesize

    6.9MB

  • memory/2776-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2776-26-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2776-24-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2776-28-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2776-42-0x00000000005C0000-0x0000000000600000-memory.dmp
    Filesize

    256KB

  • memory/2776-50-0x00000000005C0000-0x0000000000600000-memory.dmp
    Filesize

    256KB

  • memory/2776-33-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2776-36-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2776-49-0x0000000074D50000-0x000000007543E000-memory.dmp
    Filesize

    6.9MB

  • memory/2824-35-0x000000006F120000-0x000000006F6CB000-memory.dmp
    Filesize

    5.7MB

  • memory/2824-38-0x0000000002760000-0x00000000027A0000-memory.dmp
    Filesize

    256KB

  • memory/2824-48-0x000000006F120000-0x000000006F6CB000-memory.dmp
    Filesize

    5.7MB

  • memory/2868-12-0x0000000004940000-0x0000000004980000-memory.dmp
    Filesize

    256KB

  • memory/2868-41-0x0000000074D50000-0x000000007543E000-memory.dmp
    Filesize

    6.9MB

  • memory/2868-0-0x0000000074D50000-0x000000007543E000-memory.dmp
    Filesize

    6.9MB

  • memory/2868-11-0x0000000074D50000-0x000000007543E000-memory.dmp
    Filesize

    6.9MB

  • memory/2868-5-0x0000000005290000-0x0000000005314000-memory.dmp
    Filesize

    528KB

  • memory/2868-4-0x00000000004C0000-0x00000000004CC000-memory.dmp
    Filesize

    48KB

  • memory/2868-3-0x0000000000330000-0x0000000000342000-memory.dmp
    Filesize

    72KB

  • memory/2868-2-0x0000000004940000-0x0000000004980000-memory.dmp
    Filesize

    256KB

  • memory/2868-1-0x0000000000DF0000-0x0000000000EA8000-memory.dmp
    Filesize

    736KB