agenttesla | 31f9e178c2015a364ea2035c77eb27f1b40165648900f824945d548e93885716

General

Target

CARPETA_.EXE.exe
Size

834KB
MD5

97d2766b203cad5490aeae4049823b5c
SHA1

a2559089ca598289ad964bb3aa63456c0ab8b4fd
SHA256

31f9e178c2015a364ea2035c77eb27f1b40165648900f824945d548e93885716
SHA512

0733d5e248d71e1c385c7c08b83474a90112c0326d3dcadb8d7b68d3c0eaa33c294012e4462fc37a875f3cd64ae727ba558fd3ebed132784525b8802eed1b65c
SSDEEP

12288:Ly2OoPnK3jbgtwPi5CdZV7e8M4iULTXHYHmBE6mHtP38M:Qa/

Score

10^/10

agenttesla neshta collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5678941731:AAHuT6ry1HeTpvo1csjgif_TAWF-WtH0QZk/

Signatures

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

Modifies system executable filetype association 2 TTPs 1 IoCs

persistence

Modify Registry

T1112

Change Default File Association

T1042

Processes:

CARPETA_.EXE.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	CARPETA_.EXE.exe

Neshta
Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.
persistence spyware neshta
Executes dropped EXE 1 IoCs

Processes:

CARPETA_.EXE.exe

pid process

3392 CARPETA_.EXE.exe

pid	process
3392	CARPETA_.EXE.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:

CARPETA_.EXE.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Control Panel\International\Geo\Nation	CARPETA_.EXE.exe

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:

Regsvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Regsvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Regsvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Regsvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

CARPETA_.EXE.exe

description pid process target process

PID 3392 set thread context of 4652 3392 CARPETA_.EXE.exe Regsvcs.exe

description	pid	process	target process
PID 3392 set thread context of 4652	3392	CARPETA_.EXE.exe	Regsvcs.exe

Drops file in Program Files directory 64 IoCs

Processes:

CARPETA_.EXE.exe

description	ioc	process
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13169~1.31\MI391D~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13169~1.31\MI9C33~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{33D1F~1\VCREDI~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{61087~1\VCREDI~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\IDENTI~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Browser\WCCHRO~1\WCCHRO~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Adobe\ARM\1.0\AdobeARM.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\VSTO\10.0\VSTOIN~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~2.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ielowutil.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\arh.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\Eula.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmlaunch.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~2.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\PWAHEL~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\PWAHEL~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\Download\{F3C4F~1\13169~1.31\MICROS~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{EF6B0~1\VCREDI~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmplayer.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\32BITM~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\READER~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\COOKIE~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\msedge.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13169~1.31\MICROS~2.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\MSEDGE~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13169~1.31\MICROS~4.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13169~1.31\MICROS~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~3\MICROS~1\CLICKT~1\{9AC08~1\INTEGR~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\MicrosoftEdgeUpdate.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\LOGTRA~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jucheck.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\INTERN~1\iexplore.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13169~1.31\MIA062~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\AcroCEF\RdrCEF.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADelRCP.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\FULLTR~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~3.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOF5E2~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ieinstal.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~3.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wabmig.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\WINDOW~3\ACCESS~1\wordpad.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\ELEVAT~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\MSEDGE~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\WINDOW~2\wab.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmpconfig.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\WINDOW~4\wmprph.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOOGLE~4.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GOBD5D~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\INTERN~1\ExtExport.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{CA675~1\VCREDI~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\WI8A19~1\ImagingDevices.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{4D8DC~1\VC_RED~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~3\PACKAG~1\{57A73~1\VC_RED~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\ADOBEC~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Adobe\ACROBA~1\Reader\plug_ins\PI_BRO~1\64BITM~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\COMMON~1\Java\JAVAUP~1\jaureg.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\BHO\IE_TO_~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\Edge\APPLIC~1\920902~1.67\NOTIFI~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\COMMON~1\MICROS~1\MSInfo\msinfo32.exe	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\Google\Update\1336~1.71\GO664E~1.EXE	CARPETA_.EXE.exe
File opened for modification	C:\PROGRA~2\MICROS~1\EDGEUP~1\13169~1.31\MICROS~3.EXE	CARPETA_.EXE.exe

Drops file in Windows directory 1 IoCs

Processes:

CARPETA_.EXE.exe

description ioc process

File opened for modification C:\Windows\svchost.com CARPETA_.EXE.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	ioc	process
File opened for modification	C:\Windows\svchost.com	CARPETA_.EXE.exe

Modifies registry class 1 IoCs

Processes:

CARPETA_.EXE.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\svchost.com \"%1\" %*"	CARPETA_.EXE.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

CARPETA_.EXE.exeRegsvcs.exe

pid process

3392 CARPETA_.EXE.exe
3392 CARPETA_.EXE.exe
4652 Regsvcs.exe
4652 Regsvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

CARPETA_.EXE.exeRegsvcs.exe

description pid process

Token: SeDebugPrivilege 3392 CARPETA_.EXE.exe
Token: SeDebugPrivilege 4652 Regsvcs.exe

pid	process
3392	CARPETA_.EXE.exe
3392	CARPETA_.EXE.exe
4652	Regsvcs.exe
4652	Regsvcs.exe

description	pid	process
Token: SeDebugPrivilege	3392	CARPETA_.EXE.exe
Token: SeDebugPrivilege	4652	Regsvcs.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

CARPETA_.EXE.exeCARPETA_.EXE.exe

description	pid	process	target process
PID 864 wrote to memory of 3392	864	CARPETA_.EXE.exe	CARPETA_.EXE.exe
PID 864 wrote to memory of 3392	864	CARPETA_.EXE.exe	CARPETA_.EXE.exe
PID 3392 wrote to memory of 4032	3392	CARPETA_.EXE.exe	Regsvcs.exe
PID 3392 wrote to memory of 4032	3392	CARPETA_.EXE.exe	Regsvcs.exe
PID 3392 wrote to memory of 4032	3392	CARPETA_.EXE.exe	Regsvcs.exe
PID 3392 wrote to memory of 4652	3392	CARPETA_.EXE.exe	Regsvcs.exe
PID 3392 wrote to memory of 4652	3392	CARPETA_.EXE.exe	Regsvcs.exe
PID 3392 wrote to memory of 4652	3392	CARPETA_.EXE.exe	Regsvcs.exe
PID 3392 wrote to memory of 4652	3392	CARPETA_.EXE.exe	Regsvcs.exe
PID 3392 wrote to memory of 4652	3392	CARPETA_.EXE.exe	Regsvcs.exe
PID 3392 wrote to memory of 4652	3392	CARPETA_.EXE.exe	Regsvcs.exe
PID 3392 wrote to memory of 4652	3392	CARPETA_.EXE.exe	Regsvcs.exe
PID 3392 wrote to memory of 4652	3392	CARPETA_.EXE.exe	Regsvcs.exe

outlook_office_path 1 IoCs

Processes:

Regsvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Regsvcs.exe

outlook_win_path 1 IoCs

Processes:

Regsvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-4060001867-1434967833-2212371794-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Regsvcs.exe

C:\Users\Admin\AppData\Local\Temp\CARPETA_.EXE.exe
"C:\Users\Admin\AppData\Local\Temp\CARPETA_.EXE.exe"
1⤵
- Modifies system executable filetype association
- Checks computer location settings
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:864
- C:\Users\Admin\AppData\Local\Temp\3582-490\CARPETA_.EXE.exe
  "C:\Users\Admin\AppData\Local\Temp\3582-490\CARPETA_.EXE.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3392
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe"
    3⤵
    PID:4032
- - C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe
    "C:\Windows\Microsoft.NET\Framework\v4.0.30319\Regsvcs.exe"
    3⤵
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4652

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Change Default File Association

1

T1042

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

1

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

C:\Users\Admin\AppData\Local\Temp\3582-490\CARPETA_.EXE.exe

Filesize
793KB

MD5
f7f52232331e61de9f280a6c736708ea

SHA1
38cb7562f5e5c68e60fbc2858f082fedabc6c6d3

SHA256
8a0c695cf50406eaeb95afc957f838f79eeab2324f73656adcbcf1ff51a2819d

SHA512
71b954c08e141717ecbb428abf41e07039fbe059fffc47e5783f3009e2c8e431c693437db9a3839158cbc29bec25674738825018d25d873d84732ceaa0551dd8

Download Submit
C:\Users\Admin\AppData\Local\Temp\3582-490\CARPETA_.EXE.exe

Filesize
793KB

MD5
f7f52232331e61de9f280a6c736708ea

SHA1
38cb7562f5e5c68e60fbc2858f082fedabc6c6d3

SHA256
8a0c695cf50406eaeb95afc957f838f79eeab2324f73656adcbcf1ff51a2819d

SHA512
71b954c08e141717ecbb428abf41e07039fbe059fffc47e5783f3009e2c8e431c693437db9a3839158cbc29bec25674738825018d25d873d84732ceaa0551dd8

Download Submit
memory/3392-138-0x00007FFAF0000000-0x00007FFAF0AC1000-memory.dmp

Filesize
10.8MB

Download
memory/3392-135-0x000001FD374B0000-0x000001FD3757A000-memory.dmp

Filesize
808KB

Download
memory/3392-132-0x0000000000000000-mapping.dmp

Download
memory/3392-140-0x00007FFAF0000000-0x00007FFAF0AC1000-memory.dmp

Filesize
10.8MB

Download
memory/4652-137-0x0000000000435ACE-mapping.dmp

Download
memory/4652-136-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/4652-139-0x0000000005890000-0x0000000005E34000-memory.dmp

Filesize
5.6MB

Download
memory/4652-141-0x00000000052E0000-0x000000000537C000-memory.dmp

Filesize
624KB

Download
memory/4652-142-0x0000000005FF0000-0x0000000006056000-memory.dmp

Filesize
408KB

Download
memory/4652-143-0x00000000011B0000-0x0000000001200000-memory.dmp

Filesize
320KB

Download
memory/4652-144-0x00000000068C0000-0x0000000006952000-memory.dmp

Filesize
584KB

Download
memory/4652-145-0x0000000001290000-0x000000000129A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads