agenttesla | 396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e

General

Target

396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe
Size

431KB
MD5

c4996221c4549bc88d77fd2f265e6a13
SHA1

8516f1e99b52e4f22f3c4ccd75d7858c669375d5
SHA256

396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e
SHA512

953f70203797dc35b9bc1e479baf25d417674dfc6c36fc6325caf7f54bfcbb81633b15849efe4c3ee4277b3d1873abf4325bf3c38fb159ee4b036c976726dafe

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.gmail.com
Port:
587
Username:
[email protected]
Password:
z123456789ok

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1456-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1456-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1456-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1456-64-0x000000000044734E-mapping.dmp	family_agenttesla
behavioral1/memory/1456-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1456-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.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:

396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe

description	pid	process	target process
PID 1552 set thread context of 1456	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe

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

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1208 schtasks.exe

pid	process
1208	schtasks.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exeMSBuild.exe

pid	process
1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe
1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe
1456	MSBuild.exe
1456	MSBuild.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exeMSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe
Token: SeDebugPrivilege	1456	MSBuild.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

1456 MSBuild.exe

pid	process
1456	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe

description	pid	process	target process
PID 1552 wrote to memory of 1208	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	schtasks.exe
PID 1552 wrote to memory of 1208	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	schtasks.exe
PID 1552 wrote to memory of 1208	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	schtasks.exe
PID 1552 wrote to memory of 1208	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	schtasks.exe
PID 1552 wrote to memory of 688	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 688	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 688	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 688	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 1456	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 1456	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 1456	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 1456	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 1456	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 1456	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 1456	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 1456	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe
PID 1552 wrote to memory of 1456	1552	396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe
"C:\Users\Admin\AppData\Local\Temp\396f3200a662d0bb44c36326b2501aac7eddb8117b78c956d1569a9d1e83729e.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1552

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\duGVhQpbZudexT" /XML "C:\Users\Admin\AppData\Local\Temp\tmp50FE.tmp"
2⤵
- Creates scheduled task(s)
PID:1208

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
2⤵
PID:688

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1456

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp50FE.tmp
Filesize
1KB

MD5
44d1a5de42d384f2bbfab0f8c64d3982

SHA1
01adc063a8f7260674d424baf593c74cd0dd69cc

SHA256
aea57a7036115b7303f145f98ce0a755261499f104a263f3f97879000b511db7

SHA512
b4717b9e775765d5000231734a64561141d537a29f70b32161b72fb40936a5d8bd3da734bdbd046eb2d41659dc62a49b3146da2d523313ec282839331c6e429b

Download Submit
memory/1208-56-0x0000000000000000-mapping.dmp

Download
memory/1456-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1456-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1456-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1456-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1456-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1456-64-0x000000000044734E-mapping.dmp

Download
memory/1456-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1456-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1456-70-0x0000000074910000-0x0000000074EBB000-memory.dmp

Filesize
5.7MB

Download
memory/1552-55-0x0000000074910000-0x0000000074EBB000-memory.dmp

Filesize
5.7MB

Download
memory/1552-54-0x0000000076451000-0x0000000076453000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads