agenttesla | 56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b

Analysis

max time kernel
118s
max time network
123s
platform
windows7_x64
resource
win7-20240611-en
resource tags

arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
submitted
01-07-2024 01:09

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe
Size

2.1MB
MD5

1c9f943770d01b27a7ad4aba8dcf5f0f
SHA1

c9717cb6ba6103c89a1882e37703bc92ca38216a
SHA256

56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b
SHA512

075ca73736d75850e53fb9a2bca25916f969127715ded3b7d343eba76a590cf8fc7bbfa88ccd08e8b77650b471acef668958d79307aa41c027ea70e992bade5a
SSDEEP

12288:6OhZ7ZSC4QmM3n95wjgo4RN89l8+8b/QKWBu9H2WWZFHuUdt:6OhZ7wmpragzRN89lz8b7WB0WZFHNt

Score

10^/10

agenttesla evasion execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.oserfech.eu
Port:
587
Username:
[email protected]
Password:
Epicoffice@2024

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.oserfech.eu
Port:
587
Username:
[email protected]
Password:
Epicoffice@2024
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
UAC bypass 3 TTPs 1 IoCs
evasion trojan

Bypass User Account Control
T1548.002

Disable or Modify Tools
T1562.001

Modify Registry
T1112

Processes:

56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions 56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.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

2696 powershell.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools 56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

pid	process
2696	powershell.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.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:

56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.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 2 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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

regasm.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Windows\CurrentVersion\Run\plQRnonsft = "C:\\Users\\Admin\\AppData\\Roaming\\plQRnonsft\\plQRnonsft.exe"	regasm.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

evasion trojan

System Information Discovery

T1082

Processes:

56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

2 api.ipify.org
3 api.ipify.org

flow	ioc
2	api.ipify.org
3	api.ipify.org

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description pid process target process

PID 2932 set thread context of 2624 2932 56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe regasm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	pid	process	target process
PID 2932 set thread context of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

regasm.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8	regasm.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\ROOT\Certificates\CABD2A79A1076A31F21D253635CB039D4329A5E8\Blob = 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	regasm.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

powershell.exeregasm.exe

pid process

2696 powershell.exe
2624 regasm.exe
2624 regasm.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeregasm.exe

description pid process

Token: SeDebugPrivilege 2696 powershell.exe
Token: SeDebugPrivilege 2624 regasm.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

regasm.exe

pid process

2624 regasm.exe

pid	process
2696	powershell.exe
2624	regasm.exe
2624	regasm.exe

description	pid	process
Token: SeDebugPrivilege	2696	powershell.exe
Token: SeDebugPrivilege	2624	regasm.exe

pid	process
2624	regasm.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description	pid	process	target process
PID 2932 wrote to memory of 2696	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	powershell.exe
PID 2932 wrote to memory of 2696	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	powershell.exe
PID 2932 wrote to memory of 2696	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	powershell.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2624	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	regasm.exe
PID 2932 wrote to memory of 2496	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	WerFault.exe
PID 2932 wrote to memory of 2496	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	WerFault.exe
PID 2932 wrote to memory of 2496	2932	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe	WerFault.exe

System policy modification 1 TTPs 1 IoCs
evasion

Modify Registry
T1112

Processes:

56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description ioc process

Set value (int) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0" 56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe

C:\Users\Admin\AppData\Local\Temp\56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe
"C:\Users\Admin\AppData\Local\Temp\56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe"
1⤵
- UAC bypass
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2932

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\56d3e2d71ab7af3d617a30d6df87099ed4c93e4beb86a20d4f90f90bf6cfc25b.exe" -Force
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2696

C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2624

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2932 -s 936
2⤵
PID:2496

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

Virtualization/Sandbox Evasion

T1497

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2624-11-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2624-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2624-19-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2624-15-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2624-18-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2624-13-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2624-9-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2624-20-0x0000000000400000-0x0000000000444000-memory.dmp

Filesize
272KB

Download
memory/2696-8-0x0000000002520000-0x00000000025A0000-memory.dmp

Filesize
512KB

Download
memory/2696-21-0x000000001B280000-0x000000001B562000-memory.dmp

Filesize
2.9MB

Download
memory/2696-22-0x00000000022A0000-0x00000000022A8000-memory.dmp

Filesize
32KB

Download
memory/2932-2-0x0000000000310000-0x00000000003A6000-memory.dmp

Filesize
600KB

Download
memory/2932-0-0x000007FEF5BF3000-0x000007FEF5BF4000-memory.dmp

Filesize
4KB

Download
memory/2932-1-0x0000000000AD0000-0x0000000000AD8000-memory.dmp

Filesize
32KB

Download
memory/2932-3-0x000007FEF5BF0000-0x000007FEF65DC000-memory.dmp

Filesize
9.9MB

Download
memory/2932-24-0x000007FEF5BF3000-0x000007FEF5BF4000-memory.dmp

Filesize
4KB

Download
memory/2932-25-0x000007FEF5BF0000-0x000007FEF65DC000-memory.dmp

Filesize
9.9MB

Download