agenttesla | 6acdb4a3fd233c48f59b7dee0cf9a91a7fc41a64d18b7a5a964f340a306731cc

General

Target

Payment Invoice.exe
Size

556KB
MD5

53ec9b92d822d12887d144d5e2066bef
SHA1

ef55bbcab42a3ef5ee0070adf2b1c176dfeea4d0
SHA256

1a32b479225283f435fe37ea7490bd319063d0cbf88ba6845821aa4eadbbdc91
SHA512

6685ca80b210e740bac3a0910c803b27dac2840a9b17c24dd0256b8afbce7cbb063b713e63f488179979e118434ca8ea49f542f414e1c402f71462897f705d7b

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
mmm777

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/1392-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1392-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1392-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1392-64-0x000000000044775E-mapping.dmp	family_agenttesla
behavioral1/memory/1392-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1392-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Payment Invoice.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Payment Invoice.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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Payment Invoice.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

Payment Invoice.exe

description pid process target process

PID 1928 set thread context of 1392 1928 Payment Invoice.exe Payment Invoice.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

1500 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Payment Invoice.exe

pid process

1392 Payment Invoice.exe
1392 Payment Invoice.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Payment Invoice.exe

description pid process

Token: SeDebugPrivilege 1392 Payment Invoice.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Payment Invoice.exe

pid process

1392 Payment Invoice.exe

description	pid	process	target process
PID 1928 set thread context of 1392	1928	Payment Invoice.exe	Payment Invoice.exe

pid	process
1500	schtasks.exe

pid	process
1392	Payment Invoice.exe
1392	Payment Invoice.exe

description	pid	process
Token: SeDebugPrivilege	1392	Payment Invoice.exe

pid	process
1392	Payment Invoice.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Payment Invoice.exe

description	pid	process	target process
PID 1928 wrote to memory of 1500	1928	Payment Invoice.exe	schtasks.exe
PID 1928 wrote to memory of 1500	1928	Payment Invoice.exe	schtasks.exe
PID 1928 wrote to memory of 1500	1928	Payment Invoice.exe	schtasks.exe
PID 1928 wrote to memory of 1500	1928	Payment Invoice.exe	schtasks.exe
PID 1928 wrote to memory of 1392	1928	Payment Invoice.exe	Payment Invoice.exe
PID 1928 wrote to memory of 1392	1928	Payment Invoice.exe	Payment Invoice.exe
PID 1928 wrote to memory of 1392	1928	Payment Invoice.exe	Payment Invoice.exe
PID 1928 wrote to memory of 1392	1928	Payment Invoice.exe	Payment Invoice.exe
PID 1928 wrote to memory of 1392	1928	Payment Invoice.exe	Payment Invoice.exe
PID 1928 wrote to memory of 1392	1928	Payment Invoice.exe	Payment Invoice.exe
PID 1928 wrote to memory of 1392	1928	Payment Invoice.exe	Payment Invoice.exe
PID 1928 wrote to memory of 1392	1928	Payment Invoice.exe	Payment Invoice.exe
PID 1928 wrote to memory of 1392	1928	Payment Invoice.exe	Payment Invoice.exe

outlook_office_path 1 IoCs

Processes:

Payment Invoice.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	Payment Invoice.exe

outlook_win_path 1 IoCs

Processes:

Payment Invoice.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	Payment Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1928

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\AThqfIDLqoF" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9760.tmp"
2⤵
- Creates scheduled task(s)
PID:1500

C:\Users\Admin\AppData\Local\Temp\Payment Invoice.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1392

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\tmp9760.tmp
Filesize
1KB

MD5
54d91b07afd42653bac3e75140ee3a8a

SHA1
7a3350a26def23633b93ff34497835b527d592c0

SHA256
b956e4d2398345fee590d005b62057b6e137cbd15d9c4a35af1b76d223a6546d

SHA512
0be2a7cc430319501b2570285954618ac7909435ee51f9a627e65cdfc00ac147358774cf3277d31e997f7f4aeec91ab1ecf8d4ab8bd0d7f4ecd599ee0c0f1475

Download Submit
memory/1392-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1392-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1392-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1392-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1392-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1392-64-0x000000000044775E-mapping.dmp

Download
memory/1392-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1392-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1392-70-0x00000000745C0000-0x0000000074B6B000-memory.dmp

Filesize
5.7MB

Download
memory/1500-56-0x0000000000000000-mapping.dmp

Download
memory/1928-55-0x00000000745C0000-0x0000000074B6B000-memory.dmp

Filesize
5.7MB

Download
memory/1928-54-0x0000000074E91000-0x0000000074E93000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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