agenttesla | 3886eb1b9dccfe19438624f3462b2e1a65b685b82fee327e0291855dce28a2d0

General

Target

po.exe
Size

724KB
MD5

15fc8801def3df32435a90a4b3623af9
SHA1

f55e8f1e02f8104fce3d3d9745192c6e215999df
SHA256

3886eb1b9dccfe19438624f3462b2e1a65b685b82fee327e0291855dce28a2d0
SHA512

ae739dd15a33c593a80ec3d34ea3851f8dc2fe9d4476c9b90fc7210af9e8679d44fe1d84b2883b325537d26f908962a398d04f027e1cece28ef24cc8521e7485

Score

10^/10

upx spyware persistence keylogger trojan stealer agenttesla

Malware Config

Signatures

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

netsh.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\LocalConfig	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\napagent\LocalConfig\Enroll\HcsGroups	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\Shas	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\Qecs	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\napagent\LocalConfig\UI	netsh.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

po.exepo.exe

description	pid	process	target process
PID 1304 wrote to memory of 1308	1304	po.exe	po.exe
PID 1304 wrote to memory of 1308	1304	po.exe	po.exe
PID 1304 wrote to memory of 1308	1304	po.exe	po.exe
PID 1304 wrote to memory of 1308	1304	po.exe	po.exe
PID 1304 wrote to memory of 1400	1304	po.exe	po.exe
PID 1304 wrote to memory of 1400	1304	po.exe	po.exe
PID 1304 wrote to memory of 1400	1304	po.exe	po.exe
PID 1304 wrote to memory of 1400	1304	po.exe	po.exe
PID 1308 wrote to memory of 1260	1308	po.exe	netsh.exe
PID 1308 wrote to memory of 1260	1308	po.exe	netsh.exe
PID 1308 wrote to memory of 1260	1308	po.exe	netsh.exe
PID 1308 wrote to memory of 1260	1308	po.exe	netsh.exe

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

Data from Local System
T1005

Credentials in Files
T1081
Suspicious use of SetThreadContext 1 IoCs

Processes:

po.exe

description pid process target process

PID 1304 set thread context of 1308 1304 po.exe po.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

po.exe

description pid process

Token: SeDebugPrivilege 1308 po.exe

description	pid	process	target process
PID 1304 set thread context of 1308	1304	po.exe	po.exe

description	pid	process
Token: SeDebugPrivilege	1308	po.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral1/memory/1308-0-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral1/memory/1308-3-0x0000000000400000-0x00000000004B1000-memory.dmp	upx
behavioral1/memory/1308-4-0x0000000000400000-0x00000000004B1000-memory.dmp	upx

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious behavior: EnumeratesProcesses 28 IoCs

Processes:

po.exepo.exepo.exe

pid	process
1304	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1400	po.exe
1308	po.exe
1308	po.exe

Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

po.exe

pid process

1304 po.exe

C:\Users\Admin\AppData\Local\Temp\po.exe
"C:\Users\Admin\AppData\Local\Temp\po.exe"
1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1304

C:\Users\Admin\AppData\Local\Temp\po.exe
"C:\Users\Admin\AppData\Local\Temp\po.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1308

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
- Modifies service
PID:1260

C:\Users\Admin\AppData\Local\Temp\po.exe
"C:\Users\Admin\AppData\Local\Temp\po.exe" 2 1308 102991
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:1400

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1260-9-0x0000000000000000-mapping.dmp

Download
memory/1308-0-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1308-1-0x00000000004AF740-mapping.dmp

Download
memory/1308-3-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1308-4-0x0000000000400000-0x00000000004B1000-memory.dmp

Filesize
708KB

Download
memory/1308-5-0x0000000001D50000-0x0000000001DA2000-memory.dmp

Filesize
328KB

Download
memory/1308-6-0x0000000000292000-0x0000000000293000-memory.dmp

Filesize
4KB

Download
memory/1308-7-0x0000000000220000-0x000000000026C000-memory.dmp

Filesize
304KB

Download
memory/1400-2-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads