Analysis

  • max time kernel
    135s
  • max time network
    119s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-05-2024 13:23

General

  • Target

    ordinul de cotatie.exe

  • Size

    670KB

  • MD5

    ed3815b037a3f57bfc35bc4b6c97c3a4

  • SHA1

    034cded1a5c78337d11a3b4a0f9b62c270b51862

  • SHA256

    bf2117027a187100dc80baf714dac0341c8f18fdd5e562248c43685ac0ceca29

  • SHA512

    35a733c79702faf74ffed972eb2e2aef139713a4306634c4f3adb9ca6f9667442af24113efb23e1289ab66d64f02ce56e2406d3df98a52806a63ae90321b11ca

  • SSDEEP

    12288:e8EMgXHfAhdhdSsLjQ05GzUPCLDMtUNGQeLq06ShFVr1KFABkeXOaId:e8jgvAhXfQ05Gz3LDUmnAqYjfXXOaI

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6708321519:AAH9WPgZQN8mlLl2zn6ccUEu4DYMqGCeTcQ/

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.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 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 9 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe
    "C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:728
    • 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\ordinul de cotatie.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2180
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\lVKVSUhnFGi.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3900
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\lVKVSUhnFGi" /XML "C:\Users\Admin\AppData\Local\Temp\tmp688D.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3852
    • C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe
      "C:\Users\Admin\AppData\Local\Temp\ordinul de cotatie.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4512

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zvdmi4q2.i2p.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp688D.tmp

    Filesize

    1KB

    MD5

    05fa15b27653bef881ed59bc74574d7e

    SHA1

    90a5747e50ec71629ec7e8e28e7744a02d97d1a8

    SHA256

    186dec4d3505940d7bcc4a38c45cbc0868791ea1a9213a75cd333f8061fae44b

    SHA512

    7be67e1ef5a683f6cee8a92ce54f25837a9251da1a5c54dd0672a3e29c33e1b77d0a6521fad7155b5a057f1f95aee56874824f005bb0c03dea33137e14f79ca5

  • memory/728-6-0x0000000006EE0000-0x0000000006F82000-memory.dmp

    Filesize

    648KB

  • memory/728-4-0x0000000005890000-0x000000000589A000-memory.dmp

    Filesize

    40KB

  • memory/728-5-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/728-3-0x00000000058B0000-0x0000000005942000-memory.dmp

    Filesize

    584KB

  • memory/728-7-0x0000000005F90000-0x0000000005FAA000-memory.dmp

    Filesize

    104KB

  • memory/728-8-0x0000000005FB0000-0x0000000005FC0000-memory.dmp

    Filesize

    64KB

  • memory/728-9-0x0000000006F80000-0x0000000007002000-memory.dmp

    Filesize

    520KB

  • memory/728-10-0x00000000095C0000-0x000000000965C000-memory.dmp

    Filesize

    624KB

  • memory/728-2-0x0000000005FC0000-0x0000000006564000-memory.dmp

    Filesize

    5.6MB

  • memory/728-48-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/728-1-0x0000000000E10000-0x0000000000EBE000-memory.dmp

    Filesize

    696KB

  • memory/728-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

    Filesize

    4KB

  • memory/2180-36-0x0000000005580000-0x00000000058D4000-memory.dmp

    Filesize

    3.3MB

  • memory/2180-54-0x00000000716E0000-0x000000007172C000-memory.dmp

    Filesize

    304KB

  • memory/2180-21-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-88-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-25-0x0000000004D70000-0x0000000004DD6000-memory.dmp

    Filesize

    408KB

  • memory/2180-26-0x0000000005410000-0x0000000005476000-memory.dmp

    Filesize

    408KB

  • memory/2180-15-0x00000000045F0000-0x0000000004626000-memory.dmp

    Filesize

    216KB

  • memory/2180-18-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-78-0x00000000070B0000-0x00000000070C1000-memory.dmp

    Filesize

    68KB

  • memory/2180-17-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/2180-16-0x0000000004DE0000-0x0000000005408000-memory.dmp

    Filesize

    6.2MB

  • memory/2180-23-0x0000000004CD0000-0x0000000004CF2000-memory.dmp

    Filesize

    136KB

  • memory/2180-77-0x0000000007130000-0x00000000071C6000-memory.dmp

    Filesize

    600KB

  • memory/2180-73-0x0000000006BC0000-0x0000000006C63000-memory.dmp

    Filesize

    652KB

  • memory/3900-68-0x0000000006D50000-0x0000000006D6E000-memory.dmp

    Filesize

    120KB

  • memory/3900-82-0x0000000007DE0000-0x0000000007DE8000-memory.dmp

    Filesize

    32KB

  • memory/3900-52-0x00000000716E0000-0x000000007172C000-memory.dmp

    Filesize

    304KB

  • memory/3900-51-0x0000000007720000-0x0000000007752000-memory.dmp

    Filesize

    200KB

  • memory/3900-50-0x0000000006830000-0x000000000687C000-memory.dmp

    Filesize

    304KB

  • memory/3900-74-0x0000000008100000-0x000000000877A000-memory.dmp

    Filesize

    6.5MB

  • memory/3900-75-0x0000000007AC0000-0x0000000007ADA000-memory.dmp

    Filesize

    104KB

  • memory/3900-76-0x0000000007B30000-0x0000000007B3A000-memory.dmp

    Filesize

    40KB

  • memory/3900-49-0x0000000006300000-0x000000000631E000-memory.dmp

    Filesize

    120KB

  • memory/3900-87-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3900-79-0x0000000007CF0000-0x0000000007CFE000-memory.dmp

    Filesize

    56KB

  • memory/3900-80-0x0000000007D00000-0x0000000007D14000-memory.dmp

    Filesize

    80KB

  • memory/3900-81-0x0000000007E00000-0x0000000007E1A000-memory.dmp

    Filesize

    104KB

  • memory/3900-20-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3900-24-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/3900-19-0x0000000074F70000-0x0000000075720000-memory.dmp

    Filesize

    7.7MB

  • memory/4512-46-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4512-89-0x0000000006B60000-0x0000000006BB0000-memory.dmp

    Filesize

    320KB