agenttesla | 5ce8c4d2e12543d6c237e1f98c76c6daff01b3e477c40e5abeea39afb7327da0

General

Target

TRANSFER.scr
Size

1.1MB
MD5

b3af901e962e7693a2be0ffd2c360538
SHA1

6669cd006c13bbf3927063ffe5701bad1b698c3f
SHA256

392faa37063ee6a619a3091d1d7a27b8c0d86d35a7f1594720822f8a94ce9d1b
SHA512

6976f08cb58d80cb8f819aa105fc2af0f00059d839e8fa9348a8ffd95ccac6a42ad298f500e0a5aafe7c10605080d67ffb260a678d81c0416095461d1d5f5b6f

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.northwestpowdercoating.co.uk
Port:
587
Username:
[email protected]
Password:
C^0z.^LxykTW

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/1632-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1632-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1632-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1632-67-0x0000000000447ABE-mapping.dmp	family_agenttesla
behavioral1/memory/1632-69-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1632-71-0x0000000000400000-0x000000000044C000-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:

TRANSFER.scr

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TRANSFER.scr
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TRANSFER.scr
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TRANSFER.scr

Suspicious use of SetThreadContext 1 IoCs

Processes:

TRANSFER.scr

description pid process target process

PID 956 set thread context of 1632 956 TRANSFER.scr TRANSFER.scr
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

2000 schtasks.exe
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

TRANSFER.scrTRANSFER.scr

pid process

956 TRANSFER.scr
956 TRANSFER.scr
956 TRANSFER.scr
956 TRANSFER.scr
956 TRANSFER.scr
1632 TRANSFER.scr
1632 TRANSFER.scr
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

TRANSFER.scrTRANSFER.scr

description pid process

Token: SeDebugPrivilege 956 TRANSFER.scr
Token: SeDebugPrivilege 1632 TRANSFER.scr

description	pid	process	target process
PID 956 set thread context of 1632	956	TRANSFER.scr	TRANSFER.scr

pid	process
2000	schtasks.exe

pid	process
956	TRANSFER.scr
956	TRANSFER.scr
956	TRANSFER.scr
956	TRANSFER.scr
956	TRANSFER.scr
1632	TRANSFER.scr
1632	TRANSFER.scr

description	pid	process
Token: SeDebugPrivilege	956	TRANSFER.scr
Token: SeDebugPrivilege	1632	TRANSFER.scr

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

TRANSFER.scr

description	pid	process	target process
PID 956 wrote to memory of 2000	956	TRANSFER.scr	schtasks.exe
PID 956 wrote to memory of 2000	956	TRANSFER.scr	schtasks.exe
PID 956 wrote to memory of 2000	956	TRANSFER.scr	schtasks.exe
PID 956 wrote to memory of 2000	956	TRANSFER.scr	schtasks.exe
PID 956 wrote to memory of 1632	956	TRANSFER.scr	TRANSFER.scr
PID 956 wrote to memory of 1632	956	TRANSFER.scr	TRANSFER.scr
PID 956 wrote to memory of 1632	956	TRANSFER.scr	TRANSFER.scr
PID 956 wrote to memory of 1632	956	TRANSFER.scr	TRANSFER.scr
PID 956 wrote to memory of 1632	956	TRANSFER.scr	TRANSFER.scr
PID 956 wrote to memory of 1632	956	TRANSFER.scr	TRANSFER.scr
PID 956 wrote to memory of 1632	956	TRANSFER.scr	TRANSFER.scr
PID 956 wrote to memory of 1632	956	TRANSFER.scr	TRANSFER.scr
PID 956 wrote to memory of 1632	956	TRANSFER.scr	TRANSFER.scr

outlook_office_path 1 IoCs

Processes:

TRANSFER.scr

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TRANSFER.scr

outlook_win_path 1 IoCs

Processes:

TRANSFER.scr

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	TRANSFER.scr

C:\Users\Admin\AppData\Local\Temp\TRANSFER.scr
"C:\Users\Admin\AppData\Local\Temp\TRANSFER.scr" /S
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:956

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAB00.tmp"
2⤵
- Creates scheduled task(s)
PID:2000

C:\Users\Admin\AppData\Local\Temp\TRANSFER.scr
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1632

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\tmpAB00.tmp
Filesize
1KB

MD5
ab15c7fe3dc23f51a8ed4545eb54a9cb

SHA1
206a5e711a5b8819deae10c568fa760a23d9308c

SHA256
2889f7b15e75b474bfa37c720f216861f138e8e39e1d2f807ce751a21086674b

SHA512
29b8f09dfa625fad63d6cae0fd9d9f9ea19a4b5a001138c5afb644c0d37f1cc2e7bf51a4242af433568b22b19613b1570a234474663cc659dd4ad54c7407a114

Download Submit
memory/956-57-0x0000000000420000-0x0000000000476000-memory.dmp

Filesize
344KB

Download
memory/956-55-0x00000000002B0000-0x00000000002B8000-memory.dmp

Filesize
32KB

Download
memory/956-54-0x0000000000C20000-0x0000000000D34000-memory.dmp

Filesize
1.1MB

Download
memory/956-58-0x00000000763E1000-0x00000000763E3000-memory.dmp

Filesize
8KB

Download
memory/956-56-0x0000000004980000-0x00000000049F2000-memory.dmp

Filesize
456KB

Download
memory/1632-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1632-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1632-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1632-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1632-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1632-67-0x0000000000447ABE-mapping.dmp

Download
memory/1632-69-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1632-71-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2000-59-0x0000000000000000-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