agenttesla | 3140c83b168af44f0d410463a985b78eecb39103c5a10788c2905c86a8cebf73

General

Target

FACT.exe
Size

1.2MB
MD5

79af5265132dadfb51cad9e489c4cb2c
SHA1

04407e9a07f6c551f396bb54b921607f57f53f3b
SHA256

4636c1fc5d6c36ecc80466e93afb73704666834e481d0896801d0e401261a208
SHA512

059ffc4e2976babe1acd7d2a2f10f98de89a5ec644965de5f94b9c222d2da51858aa72c88d51f2a9dd7e259e542c433765ed7d0c457003fa0acad05612694b85

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
maff.ro
Port:
587
Username:
[email protected]
Password:
Maff1234!@#$

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/1656-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1656-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1656-64-0x0000000000446CBE-mapping.dmp	family_agenttesla
behavioral1/memory/1656-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1656-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1656-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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:

FACT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACT.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACT.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

FACT.exe

description pid process target process

PID 1944 set thread context of 1656 1944 FACT.exe FACT.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

640 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

FACT.exeFACT.exe

pid process

1944 FACT.exe
1944 FACT.exe
1944 FACT.exe
1656 FACT.exe
1656 FACT.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

FACT.exeFACT.exe

description pid process

Token: SeDebugPrivilege 1944 FACT.exe
Token: SeDebugPrivilege 1656 FACT.exe

description	pid	process	target process
PID 1944 set thread context of 1656	1944	FACT.exe	FACT.exe

pid	process
640	schtasks.exe

pid	process
1944	FACT.exe
1944	FACT.exe
1944	FACT.exe
1656	FACT.exe
1656	FACT.exe

description	pid	process
Token: SeDebugPrivilege	1944	FACT.exe
Token: SeDebugPrivilege	1656	FACT.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

FACT.exe

description	pid	process	target process
PID 1944 wrote to memory of 640	1944	FACT.exe	schtasks.exe
PID 1944 wrote to memory of 640	1944	FACT.exe	schtasks.exe
PID 1944 wrote to memory of 640	1944	FACT.exe	schtasks.exe
PID 1944 wrote to memory of 640	1944	FACT.exe	schtasks.exe
PID 1944 wrote to memory of 1656	1944	FACT.exe	FACT.exe
PID 1944 wrote to memory of 1656	1944	FACT.exe	FACT.exe
PID 1944 wrote to memory of 1656	1944	FACT.exe	FACT.exe
PID 1944 wrote to memory of 1656	1944	FACT.exe	FACT.exe
PID 1944 wrote to memory of 1656	1944	FACT.exe	FACT.exe
PID 1944 wrote to memory of 1656	1944	FACT.exe	FACT.exe
PID 1944 wrote to memory of 1656	1944	FACT.exe	FACT.exe
PID 1944 wrote to memory of 1656	1944	FACT.exe	FACT.exe
PID 1944 wrote to memory of 1656	1944	FACT.exe	FACT.exe

outlook_office_path 1 IoCs

Processes:

FACT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACT.exe

outlook_win_path 1 IoCs

Processes:

FACT.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	FACT.exe

C:\Users\Admin\AppData\Local\Temp\FACT.exe
"C:\Users\Admin\AppData\Local\Temp\FACT.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1944

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LedACyRlm" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6356.tmp"
2⤵
- Creates scheduled task(s)
PID:640

C:\Users\Admin\AppData\Local\Temp\FACT.exe
"C:\Users\Admin\AppData\Local\Temp\FACT.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1656

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\tmp6356.tmp
Filesize
1KB

MD5
d1539d34625e63ecb2d2487f2b500b5f

SHA1
7f4a83a5af0f26a5ee9a6870c88e1aecd44a098f

SHA256
5179556f05c839c62bf4bd0d557dad4297ef816e2b7190d6779efe0f8f0ac611

SHA512
9053dece4330d02a8fc80c5252f6c73429fe50ded846add663cf7276ac7a52bc976046c6efb37034cad1a61b0ec208848aa5ec5e8781f0b8478a05e49dd46b8c

Download Submit
memory/640-56-0x0000000000000000-mapping.dmp

Download
memory/1656-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1656-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1656-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1656-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1656-64-0x0000000000446CBE-mapping.dmp

Download
memory/1656-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1656-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1656-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1656-70-0x0000000074620000-0x0000000074BCB000-memory.dmp

Filesize
5.7MB

Download
memory/1944-55-0x0000000074690000-0x0000000074C3B000-memory.dmp

Filesize
5.7MB

Download
memory/1944-54-0x0000000075EF1000-0x0000000075EF3000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads