agenttesla | 925033701a31e03124eff2b732e38b42de641ecdb17cb15a1b549b741d89e97e

General

Target

inv.exe
Size

465KB
MD5

47816f080ceb4d4f74700e16a1119c63
SHA1

26ef52d413be42a5fd038115a783c54af218ea01
SHA256

248e331a82ad9163431cb93b8f896addf5a046306f35389270ce457e042dbd94
SHA512

6f96254f53fc7ce8450ccc7fcdcd45eb087db06f5a1860498724428f405166c1702160ec771cefa32053004ac1d8ebe2af878194aafdff394e48774f94ab590d

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
don@opt0ray.com
Password:
mmm777

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
don@opt0ray.com
Password:
mmm777

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/1096-136-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

inv.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts inv.exe
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

inv.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation inv.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	inv.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Control Panel\International\Geo\Nation	inv.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

inv.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	inv.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	inv.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	inv.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

inv.exe

description pid process target process

PID 2960 set thread context of 1096 2960 inv.exe inv.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

2160 schtasks.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

inv.exeinv.exe

pid process

2960 inv.exe
2960 inv.exe
1096 inv.exe
1096 inv.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

inv.exeinv.exe

description pid process

Token: SeDebugPrivilege 2960 inv.exe
Token: SeDebugPrivilege 1096 inv.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

inv.exe

pid process

1096 inv.exe

description	pid	process	target process
PID 2960 set thread context of 1096	2960	inv.exe	inv.exe

pid	process
2160	schtasks.exe

pid	process
2960	inv.exe
2960	inv.exe
1096	inv.exe
1096	inv.exe

description	pid	process
Token: SeDebugPrivilege	2960	inv.exe
Token: SeDebugPrivilege	1096	inv.exe

pid	process
1096	inv.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

inv.exe

description	pid	process	target process
PID 2960 wrote to memory of 2160	2960	inv.exe	schtasks.exe
PID 2960 wrote to memory of 2160	2960	inv.exe	schtasks.exe
PID 2960 wrote to memory of 2160	2960	inv.exe	schtasks.exe
PID 2960 wrote to memory of 1876	2960	inv.exe	inv.exe
PID 2960 wrote to memory of 1876	2960	inv.exe	inv.exe
PID 2960 wrote to memory of 1876	2960	inv.exe	inv.exe
PID 2960 wrote to memory of 1096	2960	inv.exe	inv.exe
PID 2960 wrote to memory of 1096	2960	inv.exe	inv.exe
PID 2960 wrote to memory of 1096	2960	inv.exe	inv.exe
PID 2960 wrote to memory of 1096	2960	inv.exe	inv.exe
PID 2960 wrote to memory of 1096	2960	inv.exe	inv.exe
PID 2960 wrote to memory of 1096	2960	inv.exe	inv.exe
PID 2960 wrote to memory of 1096	2960	inv.exe	inv.exe
PID 2960 wrote to memory of 1096	2960	inv.exe	inv.exe

outlook_office_path 1 IoCs

Processes:

inv.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	inv.exe

outlook_win_path 1 IoCs

Processes:

inv.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	inv.exe

C:\Users\Admin\AppData\Local\Temp\inv.exe
"C:\Users\Admin\AppData\Local\Temp\inv.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2960

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WbetSaQtx" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3EED.tmp"
2⤵
- Creates scheduled task(s)
PID:2160

C:\Users\Admin\AppData\Local\Temp\inv.exe
"{path}"
2⤵
PID:1876

C:\Users\Admin\AppData\Local\Temp\inv.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1096

Network

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

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\inv.exe.log
Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp3EED.tmp
Filesize
1KB

MD5
7e1287d4b981ced9a0d9b95e579e462f

SHA1
5816452c5360423546d6280e35e2c2f103dcbb93

SHA256
7ffa3af4117c147ab1cddcb45d8e24b2b2679d1a94c0b203559a336019c63fb8

SHA512
f50f4bf6a19e2fe056e472cf6702b5035a47efb5f2698192d3146551932e281d513f9535fca76cbe31158e8c9f9201c4f0af89d5409c8dda6d6bf5d6e059dcf3

Download Submit
memory/1096-135-0x0000000000000000-mapping.dmp

Download
memory/1096-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1096-138-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download
memory/1876-134-0x0000000000000000-mapping.dmp

Download
memory/2160-132-0x0000000000000000-mapping.dmp

Download
memory/2960-131-0x00000000750A0000-0x0000000075651000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads