agenttesla | 52977c9b9eab04abbbf62bfb18501cf1df4d817e535705d2b7c3d7f8e963f19c

General

Target

RFQ 502480987.exe
Size

550KB
MD5

b5a010678795bb33fbb73b20586da186
SHA1

f94a011740fedec598b4a83bb3e041bfe4ba077e
SHA256

0f3796394a5e425855d842187813997be61e79058cfc546da575b27cf8c09ffb
SHA512

69493637dd03b0f432ebb24e6a15f98d2bb4931936d6af948157088d9dff30ec23a2abf8aeb0683c01edc2647575a841764f23c201a6d293540d8de08f63f3d2

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
gatefee22

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
gatefee22

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4316-155-0x0000000000400000-0x0000000000450000-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:

RFQ 502480987.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	RFQ 502480987.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

Windows security modification 2 TTPs 2 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

RFQ 502480987.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	RFQ 502480987.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	RFQ 502480987.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RFQ 502480987.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	RFQ 502480987.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ 502480987.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ 502480987.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ 502480987.exe

description pid process target process

PID 5008 set thread context of 4316 5008 RFQ 502480987.exe RFQ 502480987.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

1612 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exeRFQ 502480987.exe

pid process

800 powershell.exe
800 powershell.exe
4316 RFQ 502480987.exe
4316 RFQ 502480987.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

powershell.exeRFQ 502480987.exe

description pid process

Token: SeDebugPrivilege 800 powershell.exe
Token: SeDebugPrivilege 4316 RFQ 502480987.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RFQ 502480987.exe

pid process

4316 RFQ 502480987.exe

description	pid	process	target process
PID 5008 set thread context of 4316	5008	RFQ 502480987.exe	RFQ 502480987.exe

pid	process
1612	schtasks.exe

pid	process
800	powershell.exe
800	powershell.exe
4316	RFQ 502480987.exe
4316	RFQ 502480987.exe

description	pid	process
Token: SeDebugPrivilege	800	powershell.exe
Token: SeDebugPrivilege	4316	RFQ 502480987.exe

pid	process
4316	RFQ 502480987.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

RFQ 502480987.exe

description	pid	process	target process
PID 5008 wrote to memory of 800	5008	RFQ 502480987.exe	powershell.exe
PID 5008 wrote to memory of 800	5008	RFQ 502480987.exe	powershell.exe
PID 5008 wrote to memory of 800	5008	RFQ 502480987.exe	powershell.exe
PID 5008 wrote to memory of 1612	5008	RFQ 502480987.exe	schtasks.exe
PID 5008 wrote to memory of 1612	5008	RFQ 502480987.exe	schtasks.exe
PID 5008 wrote to memory of 1612	5008	RFQ 502480987.exe	schtasks.exe
PID 5008 wrote to memory of 4316	5008	RFQ 502480987.exe	RFQ 502480987.exe
PID 5008 wrote to memory of 4316	5008	RFQ 502480987.exe	RFQ 502480987.exe
PID 5008 wrote to memory of 4316	5008	RFQ 502480987.exe	RFQ 502480987.exe
PID 5008 wrote to memory of 4316	5008	RFQ 502480987.exe	RFQ 502480987.exe
PID 5008 wrote to memory of 4316	5008	RFQ 502480987.exe	RFQ 502480987.exe
PID 5008 wrote to memory of 4316	5008	RFQ 502480987.exe	RFQ 502480987.exe
PID 5008 wrote to memory of 4316	5008	RFQ 502480987.exe	RFQ 502480987.exe
PID 5008 wrote to memory of 4316	5008	RFQ 502480987.exe	RFQ 502480987.exe

outlook_office_path 1 IoCs

Processes:

RFQ 502480987.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	RFQ 502480987.exe

outlook_win_path 1 IoCs

Processes:

RFQ 502480987.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	RFQ 502480987.exe

C:\Users\Admin\AppData\Local\Temp\RFQ 502480987.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ 502480987.exe"
1⤵
- Checks computer location settings
- Windows security modification
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5008

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"powershell" Get-MpPreference -verbose
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:800

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\OqPwQzYQDGNmnq" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9196.tmp"
2⤵
- Creates scheduled task(s)
PID:1612

C:\Users\Admin\AppData\Local\Temp\RFQ 502480987.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:4316

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Modify Existing Service

1

T1031

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

2

T1112

Disabling Security Tools

2

T1089

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\RFQ 502480987.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9196.tmp
Filesize
1KB

MD5
75828cb5edc79b5f6cc852c66363ebe2

SHA1
96e8972dc32b3be0ab18f1889560e50b13a15697

SHA256
577bba0febfae37e04da684a0bf22c1b4ef59258380370c07b32b2577278647f

SHA512
d785c54331ce5867709e9ce7808830e23e530f3ddbb1585459be60a114de23d6a32bcb951bc7970c8ab56db7ea92058a8417f69977566a7413d8f6b732581943

Download Submit
memory/800-144-0x00000000061E0000-0x00000000061FE000-memory.dmp

Filesize
120KB

Download
memory/800-151-0x0000000007270000-0x0000000007278000-memory.dmp

Filesize
32KB

Download
memory/800-145-0x00000000075B0000-0x0000000007C2A000-memory.dmp

Filesize
6.5MB

Download
memory/800-146-0x0000000006F50000-0x0000000006F6A000-memory.dmp

Filesize
104KB

Download
memory/800-136-0x0000000004690000-0x00000000046C6000-memory.dmp

Filesize
216KB

Download
memory/800-137-0x0000000004D00000-0x0000000005328000-memory.dmp

Filesize
6.2MB

Download
memory/800-138-0x0000000004C70000-0x0000000004C92000-memory.dmp

Filesize
136KB

Download
memory/800-139-0x0000000005460000-0x00000000054C6000-memory.dmp

Filesize
408KB

Download
memory/800-140-0x00000000055D0000-0x0000000005636000-memory.dmp

Filesize
408KB

Download
memory/800-141-0x0000000005C40000-0x0000000005C5E000-memory.dmp

Filesize
120KB

Download
memory/800-142-0x0000000006E40000-0x0000000006E72000-memory.dmp

Filesize
200KB

Download
memory/800-143-0x0000000070500000-0x000000007054C000-memory.dmp

Filesize
304KB

Download
memory/800-150-0x0000000007290000-0x00000000072AA000-memory.dmp

Filesize
104KB

Download
memory/800-149-0x0000000007180000-0x000000000718E000-memory.dmp

Filesize
56KB

Download
memory/800-135-0x0000000000000000-mapping.dmp

Download
memory/800-147-0x0000000006FC0000-0x0000000006FCA000-memory.dmp

Filesize
40KB

Download
memory/800-148-0x00000000071D0000-0x0000000007266000-memory.dmp

Filesize
600KB

Download
memory/1612-152-0x0000000000000000-mapping.dmp

Download
memory/4316-157-0x0000000006650000-0x00000000066A0000-memory.dmp

Filesize
320KB

Download
memory/4316-154-0x0000000000000000-mapping.dmp

Download
memory/4316-155-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/5008-134-0x0000000007E60000-0x0000000007EFC000-memory.dmp

Filesize
624KB

Download
memory/5008-133-0x0000000005950000-0x000000000595A000-memory.dmp

Filesize
40KB

Download
memory/5008-132-0x0000000005990000-0x0000000005A22000-memory.dmp

Filesize
584KB

Download
memory/5008-131-0x0000000005EA0000-0x0000000006444000-memory.dmp

Filesize
5.6MB

Download
memory/5008-130-0x0000000000F20000-0x0000000000FB0000-memory.dmp

Filesize
576KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads