agenttesla | a40a664137a3573248372810f32015f2e0e1f93d000bb8d45a455b5c1c8691d0

General

Target

RFQ0392.exe
Size

389KB
MD5

b3911724ce21ecfb5c68e35848a49ded
SHA1

5a598183755980fa9719ede513244099ee315462
SHA256

bb8e4fd77036e0c835a7362aa8288dc6d24a935917455d8c6dbdf28361ff725d
SHA512

1e41fe3de2a9ccacb8abb8c5c557e38ff186375b9d902b2992f248d77017dc56a930cfce3ad629f78349c5a9a3b9fc1c969051c376800972bd4b56108541911f

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.itdone.cz
Port:
587
Username:
testovaci@itdone.cz
Password:
viObavejMa

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/1716-63-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1716-64-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1716-65-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1716-66-0x0000000000445FDE-mapping.dmp	family_agenttesla
behavioral1/memory/1716-68-0x0000000000400000-0x000000000044A000-memory.dmp	family_agenttesla
behavioral1/memory/1716-70-0x0000000000400000-0x000000000044A000-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:

RFQ0392.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	RFQ0392.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ0392.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ0392.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ0392.exe

description pid process target process

PID 1012 set thread context of 1716 1012 RFQ0392.exe RFQ0392.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

2024 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RFQ0392.exe

pid process

1716 RFQ0392.exe
1716 RFQ0392.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RFQ0392.exe

description pid process

Token: SeDebugPrivilege 1716 RFQ0392.exe

description	pid	process	target process
PID 1012 set thread context of 1716	1012	RFQ0392.exe	RFQ0392.exe

pid	process
2024	schtasks.exe

pid	process
1716	RFQ0392.exe
1716	RFQ0392.exe

description	pid	process
Token: SeDebugPrivilege	1716	RFQ0392.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

RFQ0392.exe

description	pid	process	target process
PID 1012 wrote to memory of 2024	1012	RFQ0392.exe	schtasks.exe
PID 1012 wrote to memory of 2024	1012	RFQ0392.exe	schtasks.exe
PID 1012 wrote to memory of 2024	1012	RFQ0392.exe	schtasks.exe
PID 1012 wrote to memory of 2024	1012	RFQ0392.exe	schtasks.exe
PID 1012 wrote to memory of 1716	1012	RFQ0392.exe	RFQ0392.exe
PID 1012 wrote to memory of 1716	1012	RFQ0392.exe	RFQ0392.exe
PID 1012 wrote to memory of 1716	1012	RFQ0392.exe	RFQ0392.exe
PID 1012 wrote to memory of 1716	1012	RFQ0392.exe	RFQ0392.exe
PID 1012 wrote to memory of 1716	1012	RFQ0392.exe	RFQ0392.exe
PID 1012 wrote to memory of 1716	1012	RFQ0392.exe	RFQ0392.exe
PID 1012 wrote to memory of 1716	1012	RFQ0392.exe	RFQ0392.exe
PID 1012 wrote to memory of 1716	1012	RFQ0392.exe	RFQ0392.exe
PID 1012 wrote to memory of 1716	1012	RFQ0392.exe	RFQ0392.exe

outlook_office_path 1 IoCs

Processes:

RFQ0392.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	RFQ0392.exe

outlook_win_path 1 IoCs

Processes:

RFQ0392.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	RFQ0392.exe

C:\Users\Admin\AppData\Local\Temp\RFQ0392.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ0392.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1012

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BckJqsWoN" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFA28.tmp"
2⤵
- Creates scheduled task(s)
PID:2024

C:\Users\Admin\AppData\Local\Temp\RFQ0392.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ0392.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1716

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

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

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\Temp\tmpFA28.tmp
Filesize
1KB

MD5
3942a756a74ee9de3c18faaad1e73636

SHA1
e0261168b7fe7845f9ed65d09c06607a2dbe09cc

SHA256
af38c349d9fae8b4ad7d28a5ac3b31869f19a7f061ee36f376335920e2b877dc

SHA512
f853752d40bbbccc0c6630f91e7cfabceedaa6f3b7d836e9632598b6f44eca0f62caf786c9825a510d373fa93cc4de5f1f10b4f0b3829db4bca97c37945629a5

Download Submit
memory/1012-55-0x00000000002E0000-0x00000000002F2000-memory.dmp

Filesize
72KB

Download
memory/1012-56-0x0000000004760000-0x00000000047B2000-memory.dmp

Filesize
328KB

Download
memory/1012-57-0x0000000076851000-0x0000000076853000-memory.dmp

Filesize
8KB

Download
memory/1012-54-0x0000000000D30000-0x0000000000D98000-memory.dmp

Filesize
416KB

Download
memory/1716-60-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1716-61-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1716-63-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1716-64-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1716-65-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1716-66-0x0000000000445FDE-mapping.dmp

Download
memory/1716-68-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/1716-70-0x0000000000400000-0x000000000044A000-memory.dmp

Filesize
296KB

Download
memory/2024-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads