agenttesla | f67337d939b7a8d33762e080856099d05b5ff3404bc285f4dd249281289f57c8

General

Target

Encomenda a Fornecedor nº 2177.exe
Size

637KB
MD5

05fbb43cc400bde8bbe2906e2d80d3a1
SHA1

3c9c83a029cec65cb1a45f60aca45ca2eec9215f
SHA256

f67337d939b7a8d33762e080856099d05b5ff3404bc285f4dd249281289f57c8
SHA512

7e2f6a4acac158f81ce35993b374e2e919872399bf32ce0850ecc042eb85c6c8651f0ed2f863771a2d139f499bb35ad7d26fe61f70270f753481b405e6c94eb5

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.gruppoei.tk
Port:
587
Username:
helpwith@gruppoei.tk
Password:
fC%ROLz}R,(*

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1068-14-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1068-15-0x0000000000446E4E-mapping.dmp	family_agenttesla
behavioral1/memory/1068-17-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1068-18-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

Processes:

jas.exeAddInProcess32.exe

pid process

528 jas.exe
1068 AddInProcess32.exe

pid	process
528	jas.exe
1068	AddInProcess32.exe

Drops startup file 2 IoCs

Processes:

Encomenda a Fornecedor nº 2177.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jas.exe	Encomenda a Fornecedor nº 2177.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jas.exe	Encomenda a Fornecedor nº 2177.exe

Loads dropped DLL 2 IoCs

Processes:

Encomenda a Fornecedor nº 2177.exejas.exe

pid process

1588 Encomenda a Fornecedor nº 2177.exe
528 jas.exe
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

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

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

Data from Local System
T1005

Credentials in Files
T1081

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

reg.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run\jas = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\jas.exe"	reg.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

jas.exe

description pid process target process

PID 528 set thread context of 1068 528 jas.exe AddInProcess32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 528 set thread context of 1068	528	jas.exe	AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

Encomenda a Fornecedor nº 2177.exejas.exeAddInProcess32.exe

pid	process
1588	Encomenda a Fornecedor nº 2177.exe
1588	Encomenda a Fornecedor nº 2177.exe
1588	Encomenda a Fornecedor nº 2177.exe
528	jas.exe
528	jas.exe
528	jas.exe
1068	AddInProcess32.exe
1068	AddInProcess32.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

Encomenda a Fornecedor nº 2177.exejas.exeAddInProcess32.exe

description	pid	process
Token: SeDebugPrivilege	1588	Encomenda a Fornecedor nº 2177.exe
Token: SeDebugPrivilege	528	jas.exe
Token: SeDebugPrivilege	1068	AddInProcess32.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

AddInProcess32.exe

pid process

1068 AddInProcess32.exe

pid	process
1068	AddInProcess32.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

Encomenda a Fornecedor nº 2177.execmd.exejas.exe

description	pid	process	target process
PID 1588 wrote to memory of 1044	1588	Encomenda a Fornecedor nº 2177.exe	cmd.exe
PID 1588 wrote to memory of 1044	1588	Encomenda a Fornecedor nº 2177.exe	cmd.exe
PID 1588 wrote to memory of 1044	1588	Encomenda a Fornecedor nº 2177.exe	cmd.exe
PID 1588 wrote to memory of 1044	1588	Encomenda a Fornecedor nº 2177.exe	cmd.exe
PID 1044 wrote to memory of 1504	1044	cmd.exe	reg.exe
PID 1044 wrote to memory of 1504	1044	cmd.exe	reg.exe
PID 1044 wrote to memory of 1504	1044	cmd.exe	reg.exe
PID 1044 wrote to memory of 1504	1044	cmd.exe	reg.exe
PID 1588 wrote to memory of 528	1588	Encomenda a Fornecedor nº 2177.exe	jas.exe
PID 1588 wrote to memory of 528	1588	Encomenda a Fornecedor nº 2177.exe	jas.exe
PID 1588 wrote to memory of 528	1588	Encomenda a Fornecedor nº 2177.exe	jas.exe
PID 1588 wrote to memory of 528	1588	Encomenda a Fornecedor nº 2177.exe	jas.exe
PID 528 wrote to memory of 1068	528	jas.exe	AddInProcess32.exe
PID 528 wrote to memory of 1068	528	jas.exe	AddInProcess32.exe
PID 528 wrote to memory of 1068	528	jas.exe	AddInProcess32.exe
PID 528 wrote to memory of 1068	528	jas.exe	AddInProcess32.exe
PID 528 wrote to memory of 1068	528	jas.exe	AddInProcess32.exe
PID 528 wrote to memory of 1068	528	jas.exe	AddInProcess32.exe
PID 528 wrote to memory of 1068	528	jas.exe	AddInProcess32.exe
PID 528 wrote to memory of 1068	528	jas.exe	AddInProcess32.exe
PID 528 wrote to memory of 1068	528	jas.exe	AddInProcess32.exe

C:\Users\Admin\AppData\Local\Temp\Encomenda a Fornecedor nº 2177.exe
"C:\Users\Admin\AppData\Local\Temp\Encomenda a Fornecedor nº 2177.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1588

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v jas /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jas.exe"
2⤵
- Suspicious use of WriteProcessMemory
PID:1044

C:\Windows\SysWOW64\reg.exe
REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v jas /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jas.exe"
3⤵
- Adds Run key to start application
PID:1504

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jas.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jas.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:528

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
"C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1068

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
C:\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jas.exe
MD5
05fbb43cc400bde8bbe2906e2d80d3a1

SHA1
3c9c83a029cec65cb1a45f60aca45ca2eec9215f

SHA256
f67337d939b7a8d33762e080856099d05b5ff3404bc285f4dd249281289f57c8

SHA512
7e2f6a4acac158f81ce35993b374e2e919872399bf32ce0850ecc042eb85c6c8651f0ed2f863771a2d139f499bb35ad7d26fe61f70270f753481b405e6c94eb5

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jas.exe
MD5
05fbb43cc400bde8bbe2906e2d80d3a1

SHA1
3c9c83a029cec65cb1a45f60aca45ca2eec9215f

SHA256
f67337d939b7a8d33762e080856099d05b5ff3404bc285f4dd249281289f57c8

SHA512
7e2f6a4acac158f81ce35993b374e2e919872399bf32ce0850ecc042eb85c6c8651f0ed2f863771a2d139f499bb35ad7d26fe61f70270f753481b405e6c94eb5

Download Submit
\Users\Admin\AppData\Local\Temp\AddInProcess32.exe
MD5
6a673bfc3b67ae9782cb31af2f234c68

SHA1
7544e89566d91e84e3cd437b9a073e5f6b56566e

SHA256
978a4093058aa2ebf05dc353897d90d950324389879b57741b64160825b5ec0e

SHA512
72c302372ce87ceda2a3c70a6005d3f9c112f1641bc7fe6824c718971233e66c07e2996d2785fa358566c38714c25ea812c05c7cfd2f588284849d495fd24f39

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\jas.exe
MD5
05fbb43cc400bde8bbe2906e2d80d3a1

SHA1
3c9c83a029cec65cb1a45f60aca45ca2eec9215f

SHA256
f67337d939b7a8d33762e080856099d05b5ff3404bc285f4dd249281289f57c8

SHA512
7e2f6a4acac158f81ce35993b374e2e919872399bf32ce0850ecc042eb85c6c8651f0ed2f863771a2d139f499bb35ad7d26fe61f70270f753481b405e6c94eb5

Download Submit
memory/528-6-0x0000000000000000-mapping.dmp

Download
memory/1044-3-0x0000000000000000-mapping.dmp

Download
memory/1068-14-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1068-15-0x0000000000446E4E-mapping.dmp

Download
memory/1068-17-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1068-18-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1504-4-0x0000000000000000-mapping.dmp

Download
memory/1588-1-0x0000000000000000-0x0000000000000000-disk.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads