agenttesla | 2c2d5c6ad55ef859bfbd52c17ef210c1364509982c117d988b0909297cf379db

General

Target

Especificaciones de.exe
Size

300.1MB
MD5

05886c33e418fd16ae58f7862b097c7a
SHA1

7078abd95bbc058c6c82554e1af6f745a68f9e45
SHA256

7abdf3084191f971d02ad13d7e5addd487ac3ca310e89f06d1412fd85cb2570f
SHA512

b42ddf0caff445aeac88919f85bd63acaff6a6d3c2bdc2a98646772547046e79a381f60f9266f2610c2da2ef884b2f3e6759482f05a631a17aab26dd10a5a17e
SSDEEP

3072:jvwPtt+FyM1uOWPR6S8TFwsaipiXH8f3x:jtXlWPRkhwsaipiXAh

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5954474519:AAEGnfW1mRvGRxq-zIAvwJfpKEbhLLiqVaM/

Signatures

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

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:

Especificaciones de.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	Especificaciones de.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Especificaciones de.exe

description pid process target process

PID 4736 set thread context of 1908 4736 Especificaciones de.exe RegAsm.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exeRegAsm.exe

pid process

5100 powershell.exe
5100 powershell.exe
1908 RegAsm.exe
1908 RegAsm.exe
1908 RegAsm.exe

description	pid	process	target process
PID 4736 set thread context of 1908	4736	Especificaciones de.exe	RegAsm.exe

pid	process
5100	powershell.exe
5100	powershell.exe
1908	RegAsm.exe
1908	RegAsm.exe
1908	RegAsm.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Especificaciones de.exepowershell.exeRegAsm.exe

description	pid	process
Token: SeDebugPrivilege	4736	Especificaciones de.exe
Token: SeDebugPrivilege	5100	powershell.exe
Token: SeDebugPrivilege	1908	RegAsm.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Especificaciones de.exe

description	pid	process	target process
PID 4736 wrote to memory of 5100	4736	Especificaciones de.exe	powershell.exe
PID 4736 wrote to memory of 5100	4736	Especificaciones de.exe	powershell.exe
PID 4736 wrote to memory of 5100	4736	Especificaciones de.exe	powershell.exe
PID 4736 wrote to memory of 1908	4736	Especificaciones de.exe	RegAsm.exe
PID 4736 wrote to memory of 1908	4736	Especificaciones de.exe	RegAsm.exe
PID 4736 wrote to memory of 1908	4736	Especificaciones de.exe	RegAsm.exe
PID 4736 wrote to memory of 1908	4736	Especificaciones de.exe	RegAsm.exe
PID 4736 wrote to memory of 1908	4736	Especificaciones de.exe	RegAsm.exe
PID 4736 wrote to memory of 1908	4736	Especificaciones de.exe	RegAsm.exe
PID 4736 wrote to memory of 1908	4736	Especificaciones de.exe	RegAsm.exe
PID 4736 wrote to memory of 1908	4736	Especificaciones de.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\Especificaciones de.exe
"C:\Users\Admin\AppData\Local\Temp\Especificaciones de.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4736

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANwAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5100

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1908

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

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

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1908-144-0x0000000000000000-mapping.dmp

Download
memory/1908-148-0x0000000006B10000-0x0000000006B1A000-memory.dmp

Filesize
40KB

Download
memory/1908-147-0x0000000006950000-0x00000000069A0000-memory.dmp

Filesize
320KB

Download
memory/1908-146-0x0000000005870000-0x000000000590C000-memory.dmp

Filesize
624KB

Download
memory/1908-145-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4736-133-0x00000000072A0000-0x0000000007332000-memory.dmp

Filesize
584KB

Download
memory/4736-134-0x00000000078F0000-0x0000000007E94000-memory.dmp

Filesize
5.6MB

Download
memory/4736-135-0x0000000007370000-0x0000000007392000-memory.dmp

Filesize
136KB

Download
memory/4736-132-0x00000000008C0000-0x00000000008DE000-memory.dmp

Filesize
120KB

Download
memory/5100-136-0x0000000000000000-mapping.dmp

Download
memory/5100-142-0x00000000076F0000-0x0000000007D6A000-memory.dmp

Filesize
6.5MB

Download
memory/5100-143-0x0000000006360000-0x000000000637A000-memory.dmp

Filesize
104KB

Download
memory/5100-141-0x0000000005E70000-0x0000000005E8E000-memory.dmp

Filesize
120KB

Download
memory/5100-140-0x0000000005230000-0x0000000005296000-memory.dmp

Filesize
408KB

Download
memory/5100-139-0x0000000005150000-0x00000000051B6000-memory.dmp

Filesize
408KB

Download
memory/5100-138-0x00000000053A0000-0x00000000059C8000-memory.dmp

Filesize
6.2MB

Download
memory/5100-137-0x0000000000EB0000-0x0000000000EE6000-memory.dmp

Filesize
216KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads