agenttesla | 4c3f9d5742b481f22de9aba54be918f1f4f6c91aa7ab62f5e37e18d0e4882c93

General

Target

PO#6474 (2).exe
Size

607KB
MD5

26e0bede36c40dd7bb6b3c0cf3c73489
SHA1

29c72303876b117c10cca1cd199b3eb6ef3c99e1
SHA256

cd4f2162b438b601e0416d30cd5dfc0d00834690a1300f53f294fb58d6d6264a
SHA512

3c0b08d017c64c7eade6cec78e89934b856d4b977316b4b8d2f77e1f1fc55d6ae5b9757ed438ef5490980527542ae9beeca303b488176541783dbc9b9c566866

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.greenslr.com
Port:
587
Username:
[email protected]
Password:
)HdurgF2

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/528-137-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

PO#6474 (2).exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	PO#6474 (2).exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

PO#6474 (2).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#6474 (2).exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#6474 (2).exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#6474 (2).exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

PO#6474 (2).exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\uEtmoKl = "C:\\Users\\Admin\\AppData\\Roaming\\uEtmoKl\\uEtmoKl.exe"	PO#6474 (2).exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PO#6474 (2).exe

description pid process target process

PID 3184 set thread context of 528 3184 PO#6474 (2).exe PO#6474 (2).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

3356 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

PO#6474 (2).exe

pid process

528 PO#6474 (2).exe
528 PO#6474 (2).exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PO#6474 (2).exePO#6474 (2).exe

description pid process

Token: SeDebugPrivilege 3184 PO#6474 (2).exe
Token: SeDebugPrivilege 528 PO#6474 (2).exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PO#6474 (2).exe

pid process

528 PO#6474 (2).exe

description	pid	process	target process
PID 3184 set thread context of 528	3184	PO#6474 (2).exe	PO#6474 (2).exe

pid	process
3356	schtasks.exe

pid	process
528	PO#6474 (2).exe
528	PO#6474 (2).exe

description	pid	process
Token: SeDebugPrivilege	3184	PO#6474 (2).exe
Token: SeDebugPrivilege	528	PO#6474 (2).exe

pid	process
528	PO#6474 (2).exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

PO#6474 (2).exePO#6474 (2).exe

description	pid	process	target process
PID 3184 wrote to memory of 3356	3184	PO#6474 (2).exe	schtasks.exe
PID 3184 wrote to memory of 3356	3184	PO#6474 (2).exe	schtasks.exe
PID 3184 wrote to memory of 3356	3184	PO#6474 (2).exe	schtasks.exe
PID 3184 wrote to memory of 528	3184	PO#6474 (2).exe	PO#6474 (2).exe
PID 3184 wrote to memory of 528	3184	PO#6474 (2).exe	PO#6474 (2).exe
PID 3184 wrote to memory of 528	3184	PO#6474 (2).exe	PO#6474 (2).exe
PID 3184 wrote to memory of 528	3184	PO#6474 (2).exe	PO#6474 (2).exe
PID 3184 wrote to memory of 528	3184	PO#6474 (2).exe	PO#6474 (2).exe
PID 3184 wrote to memory of 528	3184	PO#6474 (2).exe	PO#6474 (2).exe
PID 3184 wrote to memory of 528	3184	PO#6474 (2).exe	PO#6474 (2).exe
PID 3184 wrote to memory of 528	3184	PO#6474 (2).exe	PO#6474 (2).exe
PID 528 wrote to memory of 2148	528	PO#6474 (2).exe	netsh.exe
PID 528 wrote to memory of 2148	528	PO#6474 (2).exe	netsh.exe
PID 528 wrote to memory of 2148	528	PO#6474 (2).exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

PO#6474 (2).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#6474 (2).exe

outlook_win_path 1 IoCs

Processes:

PO#6474 (2).exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PO#6474 (2).exe

C:\Users\Admin\AppData\Local\Temp\PO#6474 (2).exe
"C:\Users\Admin\AppData\Local\Temp\PO#6474 (2).exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3184

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qlyAxa" /XML "C:\Users\Admin\AppData\Local\Temp\tmp43C0.tmp"
2⤵
- Creates scheduled task(s)
PID:3356

C:\Users\Admin\AppData\Local\Temp\PO#6474 (2).exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:528

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:2148

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\PO#6474 (2).exe.log
Filesize
507B

MD5
ab4c71d3ff6255edd4e5c1e09540f49e

SHA1
22e06bf4e258741b5df918061871cba998c50cea

SHA256
1690fec628f775dd3c3385b800eed126b37978ef2ffd592b024052724caafb5a

SHA512
8fa7d0045796e6cda7c28e2b9a690ef550619828c1b5d0ebf8e8367aff4bf4d9f63121e5b4f199d30cb8006eb584c6767f4c59150749b8256dab9dd0ebd9f1af

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp43C0.tmp
Filesize
1KB

MD5
4d892a834d2a728a4fbfb2c23bb8f818

SHA1
5a83f3d0537fdd0736cbc390c81792640102e3b0

SHA256
8be6f5642b0586be09add406cba62d8df638a8eaad32439ea8803fcd83ad4571

SHA512
72192f6cf22b3255b13055ae8a52eaf96e189b7f9bd8e3da7906227a2caf3d5f7715c337f009e5514e2e4c2e27c6a3e4eea3615d838558425e57f674f7a9538f

Download Submit
memory/528-139-0x00000000056D0000-0x0000000005736000-memory.dmp

Filesize
408KB

Download
memory/528-136-0x0000000000000000-mapping.dmp

Download
memory/528-137-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/528-140-0x0000000006190000-0x00000000061E0000-memory.dmp

Filesize
320KB

Download
memory/528-142-0x0000000006760000-0x000000000676A000-memory.dmp

Filesize
40KB

Download
memory/2148-141-0x0000000000000000-mapping.dmp

Download
memory/3184-133-0x0000000005BC0000-0x0000000006164000-memory.dmp

Filesize
5.6MB

Download
memory/3184-132-0x0000000004FD0000-0x0000000005062000-memory.dmp

Filesize
584KB

Download
memory/3184-131-0x0000000004DF0000-0x0000000004E8C000-memory.dmp

Filesize
624KB

Download
memory/3184-130-0x0000000000400000-0x000000000049E000-memory.dmp

Filesize
632KB

Download
memory/3356-134-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads