agenttesla | fb1453e1fb3bf710103fe7c28660cfb7fcf5b9a17d706c85ec180d54d28e91bf

General

Target

payment receipt.exe
Size

447KB
MD5

3efa70530522cc186be070643f8ec240
SHA1

635cfa95fa234d2e4007896186ec0b30b4a13158
SHA256

8c7ca11a6d753b4742d8a5f6dfdc6bf11442e69970cec22bdda1d6ae96b730c7
SHA512

23f3eac3598ba8234118397f3ab5a0fbd742fc7ddd1d36706863467c6ff85d943ec2334f803efa61870ec82fd7152fe0324be0ffab7e88022d33f6c6067cb629

Score

10^/10

agenttesla collection keylogger rezer0 spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.ru
Port:
587
Username:
freemenowmax@yandex.ru
Password:
Cctv123456

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/1328-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1328-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1328-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1328-64-0x000000000044701E-mapping.dmp	family_agenttesla
behavioral1/memory/1328-66-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1328-68-0x0000000000400000-0x000000000044C000-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/1696-57-0x0000000000580000-0x00000000005D4000-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 receipt.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	payment receipt.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment receipt.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	payment receipt.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

payment receipt.exe

description pid process target process

PID 1696 set thread context of 1328 1696 payment receipt.exe payment receipt.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

payment receipt.exe

pid process

1328 payment receipt.exe
1328 payment receipt.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

payment receipt.exe

description pid process

Token: SeDebugPrivilege 1328 payment receipt.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

payment receipt.exe

pid process

1328 payment receipt.exe

description	pid	process	target process
PID 1696 set thread context of 1328	1696	payment receipt.exe	payment receipt.exe

pid	process
1328	payment receipt.exe
1328	payment receipt.exe

description	pid	process
Token: SeDebugPrivilege	1328	payment receipt.exe

pid	process
1328	payment receipt.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

payment receipt.exe

description	pid	process	target process
PID 1696 wrote to memory of 1328	1696	payment receipt.exe	payment receipt.exe
PID 1696 wrote to memory of 1328	1696	payment receipt.exe	payment receipt.exe
PID 1696 wrote to memory of 1328	1696	payment receipt.exe	payment receipt.exe
PID 1696 wrote to memory of 1328	1696	payment receipt.exe	payment receipt.exe
PID 1696 wrote to memory of 1328	1696	payment receipt.exe	payment receipt.exe
PID 1696 wrote to memory of 1328	1696	payment receipt.exe	payment receipt.exe
PID 1696 wrote to memory of 1328	1696	payment receipt.exe	payment receipt.exe
PID 1696 wrote to memory of 1328	1696	payment receipt.exe	payment receipt.exe
PID 1696 wrote to memory of 1328	1696	payment receipt.exe	payment receipt.exe

outlook_office_path 1 IoCs

Processes:

payment receipt.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	payment receipt.exe

outlook_win_path 1 IoCs

Processes:

payment receipt.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	payment receipt.exe

C:\Users\Admin\AppData\Local\Temp\payment receipt.exe
"C:\Users\Admin\AppData\Local\Temp\payment receipt.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1696

C:\Users\Admin\AppData\Local\Temp\payment receipt.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1328

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/1328-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-59-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-64-0x000000000044701E-mapping.dmp

Download
memory/1328-66-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1328-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1696-54-0x0000000000AB0000-0x0000000000B26000-memory.dmp

Filesize
472KB

Download
memory/1696-55-0x0000000075371000-0x0000000075373000-memory.dmp

Filesize
8KB

Download
memory/1696-56-0x00000000003C0000-0x00000000003D0000-memory.dmp

Filesize
64KB

Download
memory/1696-57-0x0000000000580000-0x00000000005D4000-memory.dmp

Filesize
336KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads