agenttesla | 3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f

General

Target

3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe
Size

469KB
MD5

9cd5ea2d2fdc3f6a69d0c87be7a64c22
SHA1

62b83c1c2f82185f2f62918e7b34d477c43b5fdc
SHA256

3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f
SHA512

d4fe9b5b75b804b9ea9851a05f37b9f79cccf545e53c2c1e387bd1f69c31e2e84886796a5e4aa910744abd1121b76db055ec504ffc5652264b54799ebb7ebfbe
SSDEEP

12288:SIkGAjyp8qqxzmWnwsXz9L2xRmfipJ19SHWFH8Pmrb:SIkGAmDq5mWwsXZeRmkogH8Pm3

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5482315235:AAGwacbjVLMaBQENAXUuPyVg-cvhlK0vn-w/

Signatures

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

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Oracle\VirtualBox Guest Additions	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

Processes:

3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\VMware, Inc.\VMware Tools	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.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:

3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

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:

3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe

description	pid	process	target process
PID 4252 set thread context of 1396	4252	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

InstallUtil.exe

pid process

1396 InstallUtil.exe
1396 InstallUtil.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

InstallUtil.exe

description pid process

Token: SeDebugPrivilege 1396 InstallUtil.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

InstallUtil.exe

pid process

1396 InstallUtil.exe

pid	process
1396	InstallUtil.exe
1396	InstallUtil.exe

description	pid	process
Token: SeDebugPrivilege	1396	InstallUtil.exe

pid	process
1396	InstallUtil.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe

description	pid	process	target process
PID 4252 wrote to memory of 1396	4252	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe	InstallUtil.exe
PID 4252 wrote to memory of 1396	4252	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe	InstallUtil.exe
PID 4252 wrote to memory of 1396	4252	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe	InstallUtil.exe
PID 4252 wrote to memory of 1396	4252	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe	InstallUtil.exe
PID 4252 wrote to memory of 1396	4252	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe	InstallUtil.exe
PID 4252 wrote to memory of 1396	4252	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe	InstallUtil.exe
PID 4252 wrote to memory of 1396	4252	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe	InstallUtil.exe
PID 4252 wrote to memory of 1396	4252	3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe	InstallUtil.exe

outlook_office_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

Processes:

InstallUtil.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe
"C:\Users\Admin\AppData\Local\Temp\3e88c09381a0adaafc96b14317c7bad84ff62380bb4bb220ca618153b2a29b5f.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4252

C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1396

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1396-134-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/1396-135-0x000000000043589E-mapping.dmp

Download
memory/1396-137-0x0000000005B60000-0x0000000006104000-memory.dmp

Filesize
5.6MB

Download
memory/1396-138-0x00000000055B0000-0x000000000564C000-memory.dmp

Filesize
624KB

Download
memory/1396-139-0x0000000006250000-0x00000000062B6000-memory.dmp

Filesize
408KB

Download
memory/1396-140-0x0000000006950000-0x00000000069A0000-memory.dmp

Filesize
320KB

Download
memory/1396-141-0x0000000006E80000-0x0000000006F12000-memory.dmp

Filesize
584KB

Download
memory/1396-142-0x0000000006E30000-0x0000000006E3A000-memory.dmp

Filesize
40KB

Download
memory/4252-132-0x000001F10F270000-0x000001F10F2EA000-memory.dmp

Filesize
488KB

Download
memory/4252-133-0x00007FF8F9230000-0x00007FF8F9CF1000-memory.dmp

Filesize
10.8MB

Download
memory/4252-136-0x00007FF8F9230000-0x00007FF8F9CF1000-memory.dmp

Filesize
10.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads