agenttesla | 669c8ec7471a85e79d434a80fdc9ee8a9f3de32c71ca6e89928b828a0e4ad948

General

Target

PURCHASE ORDER_PDF__________________________________________,,,.exe
Size

622KB
MD5

b5c3f5fa2a5fafe02ff621217718578c
SHA1

f4163b630109db02f7cfd64e3bfde6ab49b27757
SHA256

1d5c4bc37dad083e9b4f2361e6143c4c35ec666913488af8a75ceee52d48f805
SHA512

e85e2ab9ab19db172ef310c4fde36c42d12f7c8d06043214b0b385a08420f392a1b04a3f745be86d467d9bc9da81fa49559c72e0e3a1d30e79c7abc78236e760

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:
uchenna@&1992

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/1332-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1332-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1332-67-0x000000000044745E-mapping.dmp	family_agenttesla
behavioral1/memory/1332-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1332-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1332-71-0x0000000000400000-0x000000000044C000-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:

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.exe

description	pid	process	target process
PID 1640 set thread context of 1332	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.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

1324 schtasks.exe

pid	process
1324	schtasks.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.exePURCHASE ORDER_PDF__________________________________________,,,.exe

pid	process
1640	PURCHASE ORDER_PDF__________________________________________,,,.exe
1640	PURCHASE ORDER_PDF__________________________________________,,,.exe
1640	PURCHASE ORDER_PDF__________________________________________,,,.exe
1332	PURCHASE ORDER_PDF__________________________________________,,,.exe
1332	PURCHASE ORDER_PDF__________________________________________,,,.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.exePURCHASE ORDER_PDF__________________________________________,,,.exe

description	pid	process
Token: SeDebugPrivilege	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe
Token: SeDebugPrivilege	1332	PURCHASE ORDER_PDF__________________________________________,,,.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.exe

description	pid	process	target process
PID 1640 wrote to memory of 1324	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	schtasks.exe
PID 1640 wrote to memory of 1324	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	schtasks.exe
PID 1640 wrote to memory of 1324	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	schtasks.exe
PID 1640 wrote to memory of 1324	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	schtasks.exe
PID 1640 wrote to memory of 1332	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 1640 wrote to memory of 1332	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 1640 wrote to memory of 1332	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 1640 wrote to memory of 1332	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 1640 wrote to memory of 1332	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 1640 wrote to memory of 1332	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 1640 wrote to memory of 1332	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 1640 wrote to memory of 1332	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe
PID 1640 wrote to memory of 1332	1640	PURCHASE ORDER_PDF__________________________________________,,,.exe	PURCHASE ORDER_PDF__________________________________________,,,.exe

outlook_office_path 1 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.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	PURCHASE ORDER_PDF__________________________________________,,,.exe

outlook_win_path 1 IoCs

Processes:

PURCHASE ORDER_PDF__________________________________________,,,.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	PURCHASE ORDER_PDF__________________________________________,,,.exe

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_PDF__________________________________________,,,.exe
"C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_PDF__________________________________________,,,.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1640

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp65F5.tmp"
2⤵
- Creates scheduled task(s)
PID:1324

C:\Users\Admin\AppData\Local\Temp\PURCHASE ORDER_PDF__________________________________________,,,.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1332

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\tmp65F5.tmp

Filesize
1KB

MD5
dc436ff5b60ef8168376c73a193ed25c

SHA1
0943c8a1a0851b7b79d31fadb488cce2e0444638

SHA256
949ee6cece73e1304479fc963d79d2fd8e6410f451c1ce0ae6fd6e1b40b70705

SHA512
1f66711762ef86444a1e4edd5e3105b2ca5e83ec72bc6c2e04c7b5a9de1f50df3a6a85c75fc54003e4ebb0c9d8061455a6ef2e544726536592fb32dbf99736bd

Download Submit
memory/1324-59-0x0000000000000000-mapping.dmp

Download
memory/1332-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1332-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1332-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1332-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1332-67-0x000000000044745E-mapping.dmp

Download
memory/1332-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1332-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1332-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1640-57-0x0000000000ED0000-0x0000000000F42000-memory.dmp

Filesize
456KB

Download
memory/1640-58-0x0000000000E30000-0x0000000000E86000-memory.dmp

Filesize
344KB

Download
memory/1640-56-0x0000000000430000-0x0000000000438000-memory.dmp

Filesize
32KB

Download
memory/1640-55-0x0000000075AE1000-0x0000000075AE3000-memory.dmp

Filesize
8KB

Download
memory/1640-54-0x00000000012E0000-0x0000000001382000-memory.dmp

Filesize
648KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads