agenttesla | 3ed1e65518a981c65c2ff49a564c22419b5772051007632c86af3a27384c038a

General

Target

PAYMENT_.exe
Size

538KB
MD5

cb3f6b36b85e93ecd2de62aa8b984184
SHA1

9ec2a38e8962346472ff5c40eb395a28400cf504
SHA256

2e51ce030cc6b516a07506283b3056c047d4f13099f4b0aefc5ed2f6b6c744f1
SHA512

f31faf0ddc80866b470590e2c6173508ee8f90e781242b15e6f0e3eaeb5c48c355fb942ff4d68bc81fa53ca83756a1f6ee750619c701bad3b63bd807a629d048

Score

10^/10

agenttesla collection keylogger rezer0 spyware stealer trojan

Malware Config

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/1116-67-0x000000000044C83E-mapping.dmp	family_agenttesla
behavioral1/memory/1116-66-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1116-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1116-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1116-71-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1116-69-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

ReZer0 packer 1 IoCs

Detects ReZer0, a packer with multiple versions used in various campaigns.

rezer0

Processes:

resource	yara_rule
behavioral1/memory/596-58-0x0000000001250000-0x00000000012AA000-memory.dmp	rezer0

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:

PAYMENT_.exe

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

Suspicious use of SetThreadContext 1 IoCs

Processes:

PAYMENT_.exe

description pid process target process

PID 596 set thread context of 1116 596 PAYMENT_.exe PAYMENT_.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

1264 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

PAYMENT_.exePAYMENT_.exe

pid process

596 PAYMENT_.exe
1116 PAYMENT_.exe
1116 PAYMENT_.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

PAYMENT_.exe

pid process

1116 PAYMENT_.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

PAYMENT_.exePAYMENT_.exe

description pid process

Token: SeDebugPrivilege 596 PAYMENT_.exe
Token: SeDebugPrivilege 1116 PAYMENT_.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

PAYMENT_.exe

pid process

1116 PAYMENT_.exe

description	pid	process	target process
PID 596 set thread context of 1116	596	PAYMENT_.exe	PAYMENT_.exe

pid	process
1264	schtasks.exe

pid	process
596	PAYMENT_.exe
1116	PAYMENT_.exe
1116	PAYMENT_.exe

pid	process
1116	PAYMENT_.exe

description	pid	process
Token: SeDebugPrivilege	596	PAYMENT_.exe
Token: SeDebugPrivilege	1116	PAYMENT_.exe

pid	process
1116	PAYMENT_.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

PAYMENT_.exePAYMENT_.exe

description	pid	process	target process
PID 596 wrote to memory of 1264	596	PAYMENT_.exe	schtasks.exe
PID 596 wrote to memory of 1264	596	PAYMENT_.exe	schtasks.exe
PID 596 wrote to memory of 1264	596	PAYMENT_.exe	schtasks.exe
PID 596 wrote to memory of 1264	596	PAYMENT_.exe	schtasks.exe
PID 596 wrote to memory of 2000	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 2000	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 2000	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 2000	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 1116	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 1116	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 1116	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 1116	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 1116	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 1116	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 1116	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 1116	596	PAYMENT_.exe	PAYMENT_.exe
PID 596 wrote to memory of 1116	596	PAYMENT_.exe	PAYMENT_.exe
PID 1116 wrote to memory of 968	1116	PAYMENT_.exe	netsh.exe
PID 1116 wrote to memory of 968	1116	PAYMENT_.exe	netsh.exe
PID 1116 wrote to memory of 968	1116	PAYMENT_.exe	netsh.exe
PID 1116 wrote to memory of 968	1116	PAYMENT_.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

PAYMENT_.exe

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

outlook_win_path 1 IoCs

Processes:

PAYMENT_.exe

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	PAYMENT_.exe

C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:596

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\pfxtYfXEG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2731.tmp"
2⤵
- Creates scheduled task(s)
PID:1264

C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe"
2⤵
PID:2000

C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe
"C:\Users\Admin\AppData\Local\Temp\PAYMENT_.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1116

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:968

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\tmp2731.tmp
Filesize
1KB

MD5
054b343bd206011be0b3838a52d4c737

SHA1
26bde98d7c7b68e67ddbf9188f2498b6fc8960b8

SHA256
6d96ed79405d84c851706d2c49b6dec17c5475007214202c5023fc862119703a

SHA512
59b1e7e635ad1e9f3184adb4a1910b080ee5edfac8639f69795c2162610d10a7aa026133cf5ad16a10a3a26b1a83562593f46129167000e8354eac5e7b9aaec8

Download Submit
memory/596-54-0x0000000001340000-0x00000000013CC000-memory.dmp

Filesize
560KB

Download
memory/596-55-0x00000000765C1000-0x00000000765C3000-memory.dmp

Filesize
8KB

Download
memory/596-56-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download
memory/596-57-0x0000000000E90000-0x0000000000F1C000-memory.dmp

Filesize
560KB

Download
memory/596-58-0x0000000001250000-0x00000000012AA000-memory.dmp

Filesize
360KB

Download
memory/968-73-0x0000000000000000-mapping.dmp

Download
memory/1116-62-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1116-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1116-67-0x000000000044C83E-mapping.dmp

Download
memory/1116-66-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1116-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1116-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1116-71-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1116-69-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1264-59-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads