agenttesla | d1ec9ff70f511b0daab7d597fe8c402fed5b5c3ca5fd4dbc9d0f0e2f93ae1a0d

General

Target

PDF4023567.exe
Size

702KB
MD5

b3fd61d7dc278f59457c6250830bb4f0
SHA1

fbd24d0fa9bca10177934481b39fbe02c651655a
SHA256

97de6c160babaf971dcb6050553dca24d3979b994879387c2c1fee52156c02f0
SHA512

446efc6570e738d1cbda85dcff906b8a738ffaa13e046978d01ec52c6f1d61eb42d566654f8b7c17556e868a7edc7ca2d8038cecb96c6111b6801f6460665909

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/1408-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1408-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1408-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1408-64-0x00000000004460AE-mapping.dmp	family_agenttesla
behavioral1/memory/1408-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1408-68-0x0000000000400000-0x000000000044C000-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:

PDF4023567.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PDF4023567.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PDF4023567.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PDF4023567.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

PDF4023567.exe

description pid process target process

PID 560 set thread context of 1408 560 PDF4023567.exe PDF4023567.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

1616 schtasks.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

PDF4023567.exePDF4023567.exe

pid process

560 PDF4023567.exe
560 PDF4023567.exe
560 PDF4023567.exe
560 PDF4023567.exe
1408 PDF4023567.exe
1408 PDF4023567.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PDF4023567.exePDF4023567.exe

description pid process

Token: SeDebugPrivilege 560 PDF4023567.exe
Token: SeDebugPrivilege 1408 PDF4023567.exe

description	pid	process	target process
PID 560 set thread context of 1408	560	PDF4023567.exe	PDF4023567.exe

pid	process
1616	schtasks.exe

pid	process
560	PDF4023567.exe
560	PDF4023567.exe
560	PDF4023567.exe
560	PDF4023567.exe
1408	PDF4023567.exe
1408	PDF4023567.exe

description	pid	process
Token: SeDebugPrivilege	560	PDF4023567.exe
Token: SeDebugPrivilege	1408	PDF4023567.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PDF4023567.exe

description	pid	process	target process
PID 560 wrote to memory of 1616	560	PDF4023567.exe	schtasks.exe
PID 560 wrote to memory of 1616	560	PDF4023567.exe	schtasks.exe
PID 560 wrote to memory of 1616	560	PDF4023567.exe	schtasks.exe
PID 560 wrote to memory of 1616	560	PDF4023567.exe	schtasks.exe
PID 560 wrote to memory of 1408	560	PDF4023567.exe	PDF4023567.exe
PID 560 wrote to memory of 1408	560	PDF4023567.exe	PDF4023567.exe
PID 560 wrote to memory of 1408	560	PDF4023567.exe	PDF4023567.exe
PID 560 wrote to memory of 1408	560	PDF4023567.exe	PDF4023567.exe
PID 560 wrote to memory of 1408	560	PDF4023567.exe	PDF4023567.exe
PID 560 wrote to memory of 1408	560	PDF4023567.exe	PDF4023567.exe
PID 560 wrote to memory of 1408	560	PDF4023567.exe	PDF4023567.exe
PID 560 wrote to memory of 1408	560	PDF4023567.exe	PDF4023567.exe
PID 560 wrote to memory of 1408	560	PDF4023567.exe	PDF4023567.exe

outlook_office_path 1 IoCs

Processes:

PDF4023567.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PDF4023567.exe

outlook_win_path 1 IoCs

Processes:

PDF4023567.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	PDF4023567.exe

C:\Users\Admin\AppData\Local\Temp\PDF4023567.exe
"C:\Users\Admin\AppData\Local\Temp\PDF4023567.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:560

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CODJzbYdXfwKPW" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB19.tmp"
2⤵
- Creates scheduled task(s)
PID:1616

C:\Users\Admin\AppData\Local\Temp\PDF4023567.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1408

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\tmpB19.tmp
Filesize
1KB

MD5
9a08f80a1ad11823470a3e07827b9cc6

SHA1
1476ed536371315f2f4b3518a1781feda59fcdd7

SHA256
51422580c436b641fb50103f88f7ded6f80132395f50da5b3b1deb612df56ecc

SHA512
638047527111e56621386ac1bb9c6efb34da92bdc936b45ee5feac9127c0f17b6c9117da4462d5cabb6cb7b76c83e3b32e98b74b0c99df7e81d547db070ec571

Download Submit
memory/560-55-0x0000000074880000-0x0000000074E2B000-memory.dmp

Filesize
5.7MB

Download
memory/560-54-0x00000000753E1000-0x00000000753E3000-memory.dmp

Filesize
8KB

Download
memory/1408-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1408-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1408-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1408-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1408-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1408-64-0x00000000004460AE-mapping.dmp

Download
memory/1408-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1408-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1408-70-0x0000000074870000-0x0000000074E1B000-memory.dmp

Filesize
5.7MB

Download
memory/1616-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads