agenttesla | 148e1bbcd7efa9ce104615e14aba908bfb89aaaffd24824b0f25fb94387fbb75

General

Target

HSBC 10391410192021.exe
Size

402KB
MD5

c1882e8efb6ca07c13330d87432c9ff9
SHA1

480743c6bef4a6393fb0aa1c9e91a2c0615c9971
SHA256

148e1bbcd7efa9ce104615e14aba908bfb89aaaffd24824b0f25fb94387fbb75
SHA512

67616609962264837040e19b86d7cbbea2ae8c238affa6818cc764554c201016db99384eac034d325bf398769ea2810e1d6ca51f9222bb93c736cd65cc75e597

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

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4548-124-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral2/memory/4548-125-0x000000000043779E-mapping.dmp	family_agenttesla
behavioral2/memory/4548-131-0x0000000004E90000-0x000000000538E000-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 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

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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC 10391410192021.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	HSBC 10391410192021.exe
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\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 3360 set thread context of 4548 3360 HSBC 10391410192021.exe HSBC 10391410192021.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1856 4548 WerFault.exe HSBC 10391410192021.exe

description	pid	process	target process
PID 3360 set thread context of 4548	3360	HSBC 10391410192021.exe	HSBC 10391410192021.exe

pid	pid_target	process	target process
1856	4548	WerFault.exe	HSBC 10391410192021.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

HSBC 10391410192021.exeWerFault.exe

pid	process
4548	HSBC 10391410192021.exe
4548	HSBC 10391410192021.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe
1856	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

HSBC 10391410192021.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	4548	HSBC 10391410192021.exe
Token: SeRestorePrivilege	1856	WerFault.exe
Token: SeBackupPrivilege	1856	WerFault.exe
Token: SeDebugPrivilege	1856	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

HSBC 10391410192021.exe

description	pid	process	target process
PID 3360 wrote to memory of 4548	3360	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 3360 wrote to memory of 4548	3360	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 3360 wrote to memory of 4548	3360	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 3360 wrote to memory of 4548	3360	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 3360 wrote to memory of 4548	3360	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 3360 wrote to memory of 4548	3360	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 3360 wrote to memory of 4548	3360	HSBC 10391410192021.exe	HSBC 10391410192021.exe
PID 3360 wrote to memory of 4548	3360	HSBC 10391410192021.exe	HSBC 10391410192021.exe

outlook_office_path 1 IoCs

Processes:

HSBC 10391410192021.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-941723256-3451054534-3089625102-1000\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-1-5-21-941723256-3451054534-3089625102-1000\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:3360

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
- outlook_office_path
- outlook_win_path
PID:4548

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4548 -s 1492
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1856

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\HSBC 10391410192021.exe.log
MD5
0c2899d7c6746f42d5bbe088c777f94c

SHA1
622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

SHA256
5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

SHA512
ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

Download Submit
memory/3360-122-0x0000000008FB0000-0x0000000008FB1000-memory.dmp

Filesize
4KB

Download
memory/3360-118-0x00000000055F0000-0x00000000055F1000-memory.dmp

Filesize
4KB

Download
memory/3360-119-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/3360-120-0x00000000056D0000-0x00000000056D1000-memory.dmp

Filesize
4KB

Download
memory/3360-121-0x0000000008C60000-0x0000000008C68000-memory.dmp

Filesize
32KB

Download
memory/3360-115-0x0000000000CC0000-0x0000000000CC1000-memory.dmp

Filesize
4KB

Download
memory/3360-123-0x0000000009150000-0x00000000091A8000-memory.dmp

Filesize
352KB

Download
memory/3360-117-0x0000000005AF0000-0x0000000005AF1000-memory.dmp

Filesize
4KB

Download
memory/4548-124-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4548-125-0x000000000043779E-mapping.dmp

Download
memory/4548-131-0x0000000004E90000-0x000000000538E000-memory.dmp

Filesize
5.0MB

Download
memory/4548-132-0x00000000052F0000-0x00000000052F1000-memory.dmp

Filesize
4KB

Download
memory/4548-133-0x0000000005A80000-0x0000000005A81000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads