agenttesla | 0b84b369722f9a00da95d70e7e737f459843d053773148533229260b94f397b2

General

Target

HSBC 10391410192021.exe
Size

402KB
MD5

c1882e8efb6ca07c13330d87432c9ff9
SHA1

480743c6bef4a6393fb0aa1c9e91a2c0615c9971
SHA256

148e1bbcd7efa9ce104615e14aba908bfb89aaaffd24824b0f25fb94387fbb75
SHA512

67616609962264837040e19b86d7cbbea2ae8c238affa6818cc764554c201016db99384eac034d325bf398769ea2810e1d6ca51f9222bb93c736cd65cc75e597
SSDEEP

12288:7av7XMwLhL6z7xUNgiT9J83xKGeoXGqG:XwLhL6z2NgyDj3oXGx

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.bulletproofprotections.com
Port:
587
Username:
[email protected]
Password:
Everest10account
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 7 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2428-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2428-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2428-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2428-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2428-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2428-22-0x0000000004B90000-0x0000000004BD0000-memory.dmp	family_agenttesla
behavioral1/memory/2428-24-0x0000000004B90000-0x0000000004BD0000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

HSBC 10391410192021.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts HSBC 10391410192021.exe
Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	HSBC 10391410192021.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

HSBC 10391410192021.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC 10391410192021.exe
Key opened	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC 10391410192021.exe
Key opened	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC 10391410192021.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

HSBC 10391410192021.exe

description pid process target process

PID 768 set thread context of 2428 768 HSBC 10391410192021.exe HSBC 10391410192021.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1596 2428 WerFault.exe HSBC 10391410192021.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

HSBC 10391410192021.exe

pid process

2428 HSBC 10391410192021.exe
2428 HSBC 10391410192021.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

HSBC 10391410192021.exe

description pid process

Token: SeDebugPrivilege 2428 HSBC 10391410192021.exe

description	pid	process	target process
PID 768 set thread context of 2428	768	HSBC 10391410192021.exe	HSBC 10391410192021.exe

pid	pid_target	process	target process
1596	2428	WerFault.exe	HSBC 10391410192021.exe

pid	process
2428	HSBC 10391410192021.exe
2428	HSBC 10391410192021.exe

description	pid	process
Token: SeDebugPrivilege	2428	HSBC 10391410192021.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

HSBC 10391410192021.exeHSBC 10391410192021.exe

description	pid	process	target process
PID 768 wrote to memory of 2428	768	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 768 wrote to memory of 2428	768	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 768 wrote to memory of 2428	768	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 768 wrote to memory of 2428	768	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 768 wrote to memory of 2428	768	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 768 wrote to memory of 2428	768	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 768 wrote to memory of 2428	768	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 768 wrote to memory of 2428	768	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 768 wrote to memory of 2428	768	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 2428 wrote to memory of 1596	2428	HSBC 10391410192021.exe	WerFault.exe
PID 2428 wrote to memory of 1596	2428	HSBC 10391410192021.exe	WerFault.exe
PID 2428 wrote to memory of 1596	2428	HSBC 10391410192021.exe	WerFault.exe
PID 2428 wrote to memory of 1596	2428	HSBC 10391410192021.exe	WerFault.exe

outlook_office_path 1 IoCs

Processes:

HSBC 10391410192021.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC 10391410192021.exe

outlook_win_path 1 IoCs

Processes:

HSBC 10391410192021.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC 10391410192021.exe

C:\Users\Admin\AppData\Local\Temp\HSBC 10391410192021.exe
"C:\Users\Admin\AppData\Local\Temp\HSBC 10391410192021.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:768

C:\Users\Admin\AppData\Local\Temp\HSBC 10391410192021.exe
"C:\Users\Admin\AppData\Local\Temp\HSBC 10391410192021.exe"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2428

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2428 -s 1052
3⤵
- Program crash
PID:1596

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

memory/768-0-0x00000000012D0000-0x000000000133A000-memory.dmp

Filesize
424KB

Download
memory/768-1-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download
memory/768-2-0x00000000047D0000-0x0000000004810000-memory.dmp

Filesize
256KB

Download
memory/768-3-0x00000000004C0000-0x00000000004CE000-memory.dmp

Filesize
56KB

Download
memory/768-4-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download
memory/768-5-0x00000000047D0000-0x0000000004810000-memory.dmp

Filesize
256KB

Download
memory/768-6-0x0000000004990000-0x00000000049F0000-memory.dmp

Filesize
384KB

Download
memory/768-19-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download
memory/2428-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2428-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2428-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2428-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2428-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2428-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2428-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2428-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2428-21-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download
memory/2428-22-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Filesize
256KB

Download
memory/2428-23-0x0000000074C30000-0x000000007531E000-memory.dmp

Filesize
6.9MB

Download
memory/2428-24-0x0000000004B90000-0x0000000004BD0000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads