agenttesla | c490fa448da4d8da4dd98e781162eb915dda066ba1bc08bd301fc3bc3f98e888

General

Target

RFQ1.exe
Size

439KB
MD5

ff2bd7b477cf94aae1392840d4e2bbf8
SHA1

1c4fbec12640050cccc4f1267bfa6879331c9fad
SHA256

2b23bd3f75f21fca9811b646ade99f92cbd26e4892c1f8079716d1925797edb3
SHA512

08f4d115ae82ee970e1d816d897dd4a96765b0154aa12661298be7840a18a74b834925b465d19f80d3be7c52bbb40d78c89cebff63822a9d3f6ef71cbafa57df

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
[email protected]
Password:
@jaffinmarknma@344

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/1968-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1968-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1968-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1968-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1968-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1968-64-0x00000000004460AE-mapping.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:

RFQ1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ1.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ1.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ1.exe

description pid process target process

PID 388 set thread context of 1968 388 RFQ1.exe RFQ1.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:

RFQ1.exe

pid process

1968 RFQ1.exe
1968 RFQ1.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RFQ1.exe

description pid process

Token: SeDebugPrivilege 1968 RFQ1.exe

description	pid	process	target process
PID 388 set thread context of 1968	388	RFQ1.exe	RFQ1.exe

pid	process
2024	schtasks.exe

pid	process
1968	RFQ1.exe
1968	RFQ1.exe

description	pid	process
Token: SeDebugPrivilege	1968	RFQ1.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

RFQ1.exe

description	pid	process	target process
PID 388 wrote to memory of 2024	388	RFQ1.exe	schtasks.exe
PID 388 wrote to memory of 2024	388	RFQ1.exe	schtasks.exe
PID 388 wrote to memory of 2024	388	RFQ1.exe	schtasks.exe
PID 388 wrote to memory of 2024	388	RFQ1.exe	schtasks.exe
PID 388 wrote to memory of 1968	388	RFQ1.exe	RFQ1.exe
PID 388 wrote to memory of 1968	388	RFQ1.exe	RFQ1.exe
PID 388 wrote to memory of 1968	388	RFQ1.exe	RFQ1.exe
PID 388 wrote to memory of 1968	388	RFQ1.exe	RFQ1.exe
PID 388 wrote to memory of 1968	388	RFQ1.exe	RFQ1.exe
PID 388 wrote to memory of 1968	388	RFQ1.exe	RFQ1.exe
PID 388 wrote to memory of 1968	388	RFQ1.exe	RFQ1.exe
PID 388 wrote to memory of 1968	388	RFQ1.exe	RFQ1.exe
PID 388 wrote to memory of 1968	388	RFQ1.exe	RFQ1.exe

outlook_office_path 1 IoCs

Processes:

RFQ1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ1.exe

outlook_win_path 1 IoCs

Processes:

RFQ1.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RFQ1.exe

C:\Users\Admin\AppData\Local\Temp\RFQ1.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ1.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:388

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\qtWtPU" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF670.tmp"
2⤵
- Creates scheduled task(s)
PID:2024

C:\Users\Admin\AppData\Local\Temp\RFQ1.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1968

Network

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\tmpF670.tmp

Filesize
1KB

MD5
fa98c598014a760e64ea31a22d05cf0f

SHA1
6cdb7727a1a7caa627b89219fc52f8f468173eb7

SHA256
b60a09a3a8316e4c1986a7caf83e87449aa1111f63673729a8f240a1f166fa07

SHA512
ee19e14def84c4cfd867fd52a0cd6495a4794c6298c44ffdc6af2f86666e3b5515042bae42830ff23036d5684c233ef37a21e235d360b72a1e27fae115c7838d

Download Submit
memory/388-55-0x0000000074F70000-0x000000007551B000-memory.dmp

Filesize
5.7MB

Download
memory/388-54-0x0000000076C81000-0x0000000076C83000-memory.dmp

Filesize
8KB

Download
memory/1968-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1968-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1968-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1968-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1968-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1968-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1968-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1968-64-0x00000000004460AE-mapping.dmp

Download
memory/1968-70-0x0000000074F00000-0x00000000754AB000-memory.dmp

Filesize
5.7MB

Download
memory/2024-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads