agenttesla | c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6

Analysis

max time kernel
120s
max time network
134s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 01:46

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
Size

2.2MB
MD5

0c3fb6f18fef7082a5e471492a4ec464
SHA1

02e89c382c50a7745aa8fa8f489fe6a66f9d4d64
SHA256

c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6
SHA512

57d4dd97a88abe4fe9e1505a21e58bc693d9c1266447d8bca0d13d92b6576fe390b7fe1cd21dc09108fd7d30a0b3903bdfe1fef5ca876f047abeb7d58677a243
SSDEEP

49152:itYXs8Xh9t4uNRsezTQrm22obPhGcBV2aabQbziSFxc0sIIHpBXPe7+:itY88x9t4upQC2J8cBVjuOOpFL

Score

10^/10

agenttesla discovery evasion execution keylogger spyware stealer themida trojan

Malware Config

Extracted

Family

agenttesla

https://api.telegram.org/bot7390139954:AAFw-89dzufZnN9iQ-qMJ7xuGsXRrzvXAEI/

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

execution

PowerShell

T1059.001

Processes:

powershell.exe

pid	Process
2812	powershell.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Themida packer 21 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/592-16-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-22-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-20-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-18-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-24-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-28-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-32-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-44-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-43-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-42-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-41-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-40-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-39-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-36-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-38-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-37-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-35-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-34-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-33-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-31-0x0000000000400000-0x0000000000A20000-memory.dmp	themida
behavioral1/memory/592-26-0x0000000000400000-0x0000000000A20000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

Looks up external IP address via web service 1 IoCs

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

Processes:

flow	ioc
4	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

pid	Process
592	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

description	pid	Process	procid_target
PID 2944 set thread context of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

schtasks.exec31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exec31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exepowershell.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

schtasks.exe

pid	Process
2500	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exec31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exepowershell.exe

pid	Process
2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
592	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
2812	powershell.exe
592	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
592	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exepowershell.exec31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

description	pid	Process
Token: SeDebugPrivilege	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
Token: SeDebugPrivilege	2812	powershell.exe
Token: SeDebugPrivilege	592	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

pid	Process
592	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe

description	pid	Process	procid_target
PID 2944 wrote to memory of 2812	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	31
PID 2944 wrote to memory of 2812	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	31
PID 2944 wrote to memory of 2812	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	31
PID 2944 wrote to memory of 2812	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	31
PID 2944 wrote to memory of 2500	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	33
PID 2944 wrote to memory of 2500	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	33
PID 2944 wrote to memory of 2500	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	33
PID 2944 wrote to memory of 2500	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	33
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35
PID 2944 wrote to memory of 592	2944	c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe	35

C:\Users\Admin\AppData\Local\Temp\c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
"C:\Users\Admin\AppData\Local\Temp\c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2944
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\NuWWtBZeYqtw.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2812
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\NuWWtBZeYqtw" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD23D.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2500
- C:\Users\Admin\AppData\Local\Temp\c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe
  "C:\Users\Admin\AppData\Local\Temp\c31ef3e47ebbb92febeeda72abfdbe9b8bb92cca58eda4e607ef2b192d6df1d6.exe"
  2⤵
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Checks BIOS information in registry
  - Checks whether UAC is enabled
  - Suspicious use of NtSetInformationThreadHideFromDebugger
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpD23D.tmp

Filesize
1KB

MD5
9ea0ec2eb8b5722dfc40d09db0735d2b

SHA1
47cb429a0077049d202351a8a5e542382abddcd8

SHA256
a8d641886f2816b0a1e686d3e4349eda7c8ee17af27c1466f45186cc296209f9

SHA512
820a4d0291163ce2e00ab73a78f7e3870ee30a20e22dff4ab987baaec7754e163bcc8c18bd12df39c5f4a11582d2eac5e3f8ac6fbf3b7358a2b3d8a97ef46af2

Download Submit
memory/592-32-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-26-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-28-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-31-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-33-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-34-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-35-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-14-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/592-16-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-22-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-20-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-18-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-24-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-37-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-44-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-38-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-36-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-43-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-42-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-41-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-40-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/592-39-0x0000000000400000-0x0000000000A20000-memory.dmp

Filesize
6.1MB

Download
memory/2944-45-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2944-2-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2944-3-0x00000000004C0000-0x00000000004D2000-memory.dmp

Filesize
72KB

Download
memory/2944-1-0x0000000000D90000-0x0000000000FD4000-memory.dmp

Filesize
2.3MB

Download
memory/2944-6-0x0000000008700000-0x000000000891A000-memory.dmp

Filesize
2.1MB

Download
memory/2944-5-0x0000000073EF0000-0x00000000745DE000-memory.dmp

Filesize
6.9MB

Download
memory/2944-4-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download
memory/2944-0-0x0000000073EFE000-0x0000000073EFF000-memory.dmp

Filesize
4KB

Download