agenttesla | 5695a75d96e56497ab5f7175d5c1da59a4565df668cb89db774eefbb5bfb6cf5

Resubmissions

05-09-2023 01:34

230905-by5lrsch46 10

Analysis

max time kernel
141s
max time network
164s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 01:20

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General

Target

e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
Size

616KB
MD5

1caeba20d73f6665029d6bc0fa853312
SHA1

849a79c6dfe1483875e7ca1780d9718c11102321
SHA256

e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea
SHA512

7272c07c70f7a3b542a1a2e022184c161e7f72f3f27e5c52d7e847bc94bca1a3f34b062e80510bae1a847e02d54bc1214a00470d510eabeafd31e58849f6cdd5
SSDEEP

12288:KE9/X2MaoJKyKNt91+HMXvEYghrdyWocb75y5hxGJgcz/b/CEsPRWw3KV0:P/X2Kf0T+ttb2o7UbxYrzLCtWgKV0

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
cp5ua.hyperhost.ua
Port:
587
Username:
[email protected]
Password:
7213575aceACE@
Email To:
[email protected]

Signatures

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
Key opened	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
Key opened	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

45 api.ipify.org
46 api.ipify.org

flow	ioc
45	api.ipify.org
46	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

Processes:

e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

description	pid	process	target process
PID 3108 set thread context of 2680	3108	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

pid	process
2680	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
2680	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

description pid process

Token: SeDebugPrivilege 2680 e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

pid process

2680 e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

description	pid	process
Token: SeDebugPrivilege	2680	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

description	pid	process	target process
PID 3108 wrote to memory of 2680	3108	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
PID 3108 wrote to memory of 2680	3108	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
PID 3108 wrote to memory of 2680	3108	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
PID 3108 wrote to memory of 2680	3108	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
PID 3108 wrote to memory of 2680	3108	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
PID 3108 wrote to memory of 2680	3108	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
PID 3108 wrote to memory of 2680	3108	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
PID 3108 wrote to memory of 2680	3108	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

outlook_office_path 1 IoCs

Processes:

e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

outlook_win_path 1 IoCs

Processes:

e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3571316656-3665257725-2415531812-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe

C:\Users\Admin\AppData\Local\Temp\e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
"C:\Users\Admin\AppData\Local\Temp\e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3108

C:\Users\Admin\AppData\Local\Temp\e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe
"C:\Users\Admin\AppData\Local\Temp\e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2680

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\e65128450ff1d82705658fe9599d02d0f3b3500542c156eff284e64d80a24dea.exe.log
Filesize
1KB

MD5
8ec831f3e3a3f77e4a7b9cd32b48384c

SHA1
d83f09fd87c5bd86e045873c231c14836e76a05c

SHA256
7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

SHA512
26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

Download Submit
memory/2680-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2680-20-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2680-19-0x0000000006B10000-0x0000000006B60000-memory.dmp

Filesize
320KB

Download
memory/2680-18-0x0000000005620000-0x0000000005686000-memory.dmp

Filesize
408KB

Download
memory/2680-17-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/2680-15-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/3108-10-0x0000000006F40000-0x0000000006FBC000-memory.dmp

Filesize
496KB

Download
memory/3108-8-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/3108-9-0x0000000006B70000-0x0000000006B7A000-memory.dmp

Filesize
40KB

Download
memory/3108-0-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/3108-11-0x0000000009590000-0x000000000962C000-memory.dmp

Filesize
624KB

Download
memory/3108-7-0x000000007453E000-0x000000007453F000-memory.dmp

Filesize
4KB

Download
memory/3108-6-0x0000000005A70000-0x0000000005A8A000-memory.dmp

Filesize
104KB

Download
memory/3108-5-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/3108-16-0x0000000074530000-0x0000000074CE0000-memory.dmp

Filesize
7.7MB

Download
memory/3108-4-0x00000000057C0000-0x00000000057CA000-memory.dmp

Filesize
40KB

Download
memory/3108-3-0x0000000005700000-0x0000000005792000-memory.dmp

Filesize
584KB

Download
memory/3108-2-0x0000000005D60000-0x0000000006304000-memory.dmp

Filesize
5.6MB

Download
memory/3108-1-0x0000000000C70000-0x0000000000D10000-memory.dmp

Filesize
640KB

Download