Analysis

  • max time kernel
    122s
  • max time network
    133s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    28-03-2024 01:40

General

  • Target

    77240f128f1bc134d37049e3885be91224e7314f127e253db534b667ad5bb7f7.exe

  • Size

    900KB

  • MD5

    6ec0abebef7ba50b0875e8279e2261e6

  • SHA1

    b2d2801d8313d006301d3d0c733c0cf9c4f5ca53

  • SHA256

    77240f128f1bc134d37049e3885be91224e7314f127e253db534b667ad5bb7f7

  • SHA512

    4d957f94258b4f18712b98e9b240a3af525e534d59e05f644733d2bc276ab0e8dc118ae3fb2b7499b060e5b21b852458cc539129afa50ad6bf3a16d324403a17

  • SSDEEP

    24576:BwjFrqN2Tdp7BmyN+0U7kWVv4+IF6nnjqKoe:WjBg2RHkPzy+LjqKoe

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.

  • 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 7 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\77240f128f1bc134d37049e3885be91224e7314f127e253db534b667ad5bb7f7.exe
    "C:\Users\Admin\AppData\Local\Temp\77240f128f1bc134d37049e3885be91224e7314f127e253db534b667ad5bb7f7.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2096
    • 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\77240f128f1bc134d37049e3885be91224e7314f127e253db534b667ad5bb7f7.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2076
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\dHdovcQ.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2532
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\dHdovcQ" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAF14.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2692
    • C:\Users\Admin\AppData\Local\Temp\77240f128f1bc134d37049e3885be91224e7314f127e253db534b667ad5bb7f7.exe
      "C:\Users\Admin\AppData\Local\Temp\77240f128f1bc134d37049e3885be91224e7314f127e253db534b667ad5bb7f7.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2536

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\tmpAF14.tmp
    Filesize

    1KB

    MD5

    da592c5480b88a9a8873e19d4629d7a5

    SHA1

    97ac3fc587ad8740fd5869ef57dcac6319ae5f8e

    SHA256

    071c5520b5ec5fed91eb19d785e6fc89ee70bf22cfb0d8402732aa1985dd1d6d

    SHA512

    d46fd84b5f35509322ffc8a2428063fb590b47b49213fbe7838638bec605f3b336f7c0173d9a5ffb2058b84dee1de22276fbb6d8a95d1a2d6e660ef7a5b5ed38

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

    7KB

    MD5

    9d30c5b4473a7e678b00144ba5b3c9a3

    SHA1

    46acdd035584c00cd176af9a1022a615dcad4cfd

    SHA256

    fbd98b559a66ca881aa823576bd6be40a99fa024917bf4dc66f470a8460ff3d2

    SHA512

    35ba7fc7d16f4e7e47c560339fcbab49e816e8ad748f3717ab4f08b6f5c07e75d4b96b0ea3717fefc7db95fd480212174ccaf22fa174ac69637658010c2333e9

  • memory/2076-35-0x000000006F750000-0x000000006FCFB000-memory.dmp
    Filesize

    5.7MB

  • memory/2076-40-0x000000006F750000-0x000000006FCFB000-memory.dmp
    Filesize

    5.7MB

  • memory/2076-31-0x000000006F750000-0x000000006FCFB000-memory.dmp
    Filesize

    5.7MB

  • memory/2076-37-0x0000000002780000-0x00000000027C0000-memory.dmp
    Filesize

    256KB

  • memory/2076-34-0x0000000002780000-0x00000000027C0000-memory.dmp
    Filesize

    256KB

  • memory/2096-3-0x0000000000390000-0x00000000003A2000-memory.dmp
    Filesize

    72KB

  • memory/2096-1-0x0000000074C30000-0x000000007531E000-memory.dmp
    Filesize

    6.9MB

  • memory/2096-30-0x0000000074C30000-0x000000007531E000-memory.dmp
    Filesize

    6.9MB

  • memory/2096-0-0x0000000000F80000-0x0000000001066000-memory.dmp
    Filesize

    920KB

  • memory/2096-2-0x0000000004B20000-0x0000000004B60000-memory.dmp
    Filesize

    256KB

  • memory/2096-4-0x00000000003B0000-0x00000000003BC000-memory.dmp
    Filesize

    48KB

  • memory/2096-5-0x00000000053C0000-0x0000000005442000-memory.dmp
    Filesize

    520KB

  • memory/2532-33-0x0000000002900000-0x0000000002940000-memory.dmp
    Filesize

    256KB

  • memory/2532-38-0x000000006F750000-0x000000006FCFB000-memory.dmp
    Filesize

    5.7MB

  • memory/2532-32-0x000000006F750000-0x000000006FCFB000-memory.dmp
    Filesize

    5.7MB

  • memory/2532-41-0x000000006F750000-0x000000006FCFB000-memory.dmp
    Filesize

    5.7MB

  • memory/2536-20-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2536-42-0x0000000074C30000-0x000000007531E000-memory.dmp
    Filesize

    6.9MB

  • memory/2536-25-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2536-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2536-36-0x0000000074C30000-0x000000007531E000-memory.dmp
    Filesize

    6.9MB

  • memory/2536-22-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2536-39-0x0000000004A70000-0x0000000004AB0000-memory.dmp
    Filesize

    256KB

  • memory/2536-21-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2536-18-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2536-27-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2536-29-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB