agenttesla | daa89ae6dfe1a6281bf795cf58513b11314b2f5b28267faa87b65f20daeae8a6

General

Target

Purchasing Lists.exe
Size

618KB
MD5

62086c79b69643b8c8cc3c3fd6ef0880
SHA1

def3fe8db02ca7da7d9ffcacdd074934453de3fd
SHA256

abe7a852074e704601e7fff625aa43e93ba71c6f0811aef9262b78e725df1278
SHA512

8231a7ecf9390a086272b0d1f0e7702b29ba14e972864dc1576cf028ce3a5f88947f0f0752b4396bef88aa73aa3a84af3c821709957a109cd69e0cd6f81580bc

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.retramtrading.com
Port:
587
Username:
[email protected]
Password:
@2018sales321

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/1360-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1360-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1360-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1360-66-0x000000000044705E-mapping.dmp	family_agenttesla
behavioral1/memory/1360-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1360-70-0x0000000000400000-0x000000000044C000-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:

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Purchasing Lists.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\app = "C:\\Users\\Admin\\AppData\\Roaming\\app\\app.exe"	Purchasing Lists.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Purchasing Lists.exe

description pid process target process

PID 552 set thread context of 1360 552 Purchasing Lists.exe Purchasing Lists.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

1772 schtasks.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

Purchasing Lists.exePurchasing Lists.exe

pid process

552 Purchasing Lists.exe
552 Purchasing Lists.exe
552 Purchasing Lists.exe
1360 Purchasing Lists.exe
1360 Purchasing Lists.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Purchasing Lists.exePurchasing Lists.exe

description pid process

Token: SeDebugPrivilege 552 Purchasing Lists.exe
Token: SeDebugPrivilege 1360 Purchasing Lists.exe

description	pid	process	target process
PID 552 set thread context of 1360	552	Purchasing Lists.exe	Purchasing Lists.exe

pid	process
1772	schtasks.exe

pid	process
552	Purchasing Lists.exe
552	Purchasing Lists.exe
552	Purchasing Lists.exe
1360	Purchasing Lists.exe
1360	Purchasing Lists.exe

description	pid	process
Token: SeDebugPrivilege	552	Purchasing Lists.exe
Token: SeDebugPrivilege	1360	Purchasing Lists.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Purchasing Lists.exe

description	pid	process	target process
PID 552 wrote to memory of 1772	552	Purchasing Lists.exe	schtasks.exe
PID 552 wrote to memory of 1772	552	Purchasing Lists.exe	schtasks.exe
PID 552 wrote to memory of 1772	552	Purchasing Lists.exe	schtasks.exe
PID 552 wrote to memory of 1772	552	Purchasing Lists.exe	schtasks.exe
PID 552 wrote to memory of 1360	552	Purchasing Lists.exe	Purchasing Lists.exe
PID 552 wrote to memory of 1360	552	Purchasing Lists.exe	Purchasing Lists.exe
PID 552 wrote to memory of 1360	552	Purchasing Lists.exe	Purchasing Lists.exe
PID 552 wrote to memory of 1360	552	Purchasing Lists.exe	Purchasing Lists.exe
PID 552 wrote to memory of 1360	552	Purchasing Lists.exe	Purchasing Lists.exe
PID 552 wrote to memory of 1360	552	Purchasing Lists.exe	Purchasing Lists.exe
PID 552 wrote to memory of 1360	552	Purchasing Lists.exe	Purchasing Lists.exe
PID 552 wrote to memory of 1360	552	Purchasing Lists.exe	Purchasing Lists.exe
PID 552 wrote to memory of 1360	552	Purchasing Lists.exe	Purchasing Lists.exe

outlook_office_path 1 IoCs

Processes:

Purchasing Lists.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	Purchasing Lists.exe

outlook_win_path 1 IoCs

Processes:

Purchasing Lists.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	Purchasing Lists.exe

C:\Users\Admin\AppData\Local\Temp\Purchasing Lists.exe
"C:\Users\Admin\AppData\Local\Temp\Purchasing Lists.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:552

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9EB0.tmp"
2⤵
- Creates scheduled task(s)
PID:1772

C:\Users\Admin\AppData\Local\Temp\Purchasing Lists.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1360

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

1

T1060

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Modify Registry

1

T1112

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmp9EB0.tmp
Filesize
1KB

MD5
dc436ff5b60ef8168376c73a193ed25c

SHA1
0943c8a1a0851b7b79d31fadb488cce2e0444638

SHA256
949ee6cece73e1304479fc963d79d2fd8e6410f451c1ce0ae6fd6e1b40b70705

SHA512
1f66711762ef86444a1e4edd5e3105b2ca5e83ec72bc6c2e04c7b5a9de1f50df3a6a85c75fc54003e4ebb0c9d8061455a6ef2e544726536592fb32dbf99736bd

Download Submit
memory/552-55-0x0000000000290000-0x0000000000298000-memory.dmp

Filesize
32KB

Download
memory/552-56-0x0000000000640000-0x00000000006B4000-memory.dmp

Filesize
464KB

Download
memory/552-57-0x00000000005D0000-0x0000000000626000-memory.dmp

Filesize
344KB

Download
memory/552-54-0x0000000000F60000-0x0000000001000000-memory.dmp

Filesize
640KB

Download
memory/1360-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1360-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1360-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1360-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1360-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1360-66-0x000000000044705E-mapping.dmp

Download
memory/1360-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1360-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1360-71-0x0000000075451000-0x0000000075453000-memory.dmp

Filesize
8KB

Download
memory/1772-58-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads