Analysis

  • max time kernel
    122s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    23-05-2024 14:56

General

  • Target

    SOA APR 24.exe

  • Size

    670KB

  • MD5

    2b12a266317f002c205011fa1958072c

  • SHA1

    07e6859611698f37aa9c4011f76907aafe524218

  • SHA256

    dff297acb567f990471dca2871adee15229e572c35fef5fd20eb9a1428946c04

  • SHA512

    444f0444202f3c4c67cdf3deeb479233041edd4d7a16c0240b729173b5781322278d21abb9e55eb09668795e1121a77ea9ffd11735823a08b109f064969f67b8

  • SSDEEP

    12288:J0FJzi8LkpEaAxx1Qy0+9+WTehgXkWP3DdFsOFHplgCIQlHzWH4jdmeO1W+TLTuU:KT2jE3LS7+99fXxP3DdFnFJ2CIQBgcdO

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 2 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SOA APR 24.exe
    "C:\Users\Admin\AppData\Local\Temp\SOA APR 24.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1736
    • 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\SOA APR 24.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2628
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\eeOuEr.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2656
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\eeOuEr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3ED4.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2424
    • C:\Users\Admin\AppData\Local\Temp\SOA APR 24.exe
      "C:\Users\Admin\AppData\Local\Temp\SOA APR 24.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2428

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

1
T1112

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\tmp3ED4.tmp
    Filesize

    1KB

    MD5

    e809d2cda61370e84576c87056c7fd36

    SHA1

    e945f6bb3ef0ac7be218cc0e17775df94f529315

    SHA256

    a754014c45ba7c7db38faf214a41200758dbe8267b92047961156569ba68be94

    SHA512

    0bb8c49940d5cc15b0d11c75f444f72ea08dbd72a569c1fc1ed2894d2eb60298ad6e45feb103c2d02884e30a7a7a5fab39c0d2c53ad81b41a117d25d6d81729e

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

    7KB

    MD5

    dadf5caf3cc9ab2f98fefbf9fac82688

    SHA1

    61e921a0d6ff6bbe9bdf5b3a471d69d52ca972b5

    SHA256

    119bd12666929af68c7ab598a9e54be876ce9f2650a8c95411e6990d75a6919b

    SHA512

    f0206130381e16c4bd28b9f62bb8e835692e0627579f3411fd9feb0644fe5a95d5cd92a67c0a1c2e12ac3bccc2425bdc3a02e6e238ee5310c60954e87c785b82

  • memory/1736-31-0x0000000074650000-0x0000000074D3E000-memory.dmp
    Filesize

    6.9MB

  • memory/1736-1-0x0000000000980000-0x0000000000A2A000-memory.dmp
    Filesize

    680KB

  • memory/1736-2-0x0000000074650000-0x0000000074D3E000-memory.dmp
    Filesize

    6.9MB

  • memory/1736-3-0x0000000000410000-0x000000000042A000-memory.dmp
    Filesize

    104KB

  • memory/1736-4-0x0000000000430000-0x0000000000440000-memory.dmp
    Filesize

    64KB

  • memory/1736-5-0x0000000005290000-0x0000000005314000-memory.dmp
    Filesize

    528KB

  • memory/1736-0-0x000000007465E000-0x000000007465F000-memory.dmp
    Filesize

    4KB

  • memory/2428-24-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2428-28-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2428-27-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2428-26-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2428-22-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2428-20-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2428-18-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB

  • memory/2428-30-0x0000000000400000-0x0000000000442000-memory.dmp
    Filesize

    264KB