agenttesla | b8c675d511021c319d33dad7518dbb91cccf6530c2494ff383e4dc55bb836b7a

General

Target

BBVA__Aviso_de_Pago_pdf.exe
Size

46KB
MD5

c34b58d960ea87eec970a9333c7f9292
SHA1

ca23b1d2418edc91a2a49968738ce09a6f7bbfc6
SHA256

8b3aa60f494833274c18171586730f2f4650a0c8c2de4cd901d853948b6f1fce
SHA512

e1dc12741f2448059aeb99be1f6e0df91bb4ee655b3be892ecc027842e78c39b3388cb5748dbac8b56f8ad245312194159522619b26c6775f558b72245c64aab
SSDEEP

768:LDpDj/nau11+B1Z9wg4MYVctOi3FaKMUXF1x2ySCtk7PHqAk:HpvnaK1+ZWg4MYVcAKMUX/x26qHVk

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.dentallink.com.uy
Port:
587
Username:
[email protected]
Password:
Salvador3274

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.dentallink.com.uy
Port:
587
Username:
[email protected]
Password:
Salvador3274
Email To:
[email protected]

Signatures

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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

BBVA__Aviso_de_Pago_pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Bviklyjatzb = "C:\\Users\\Admin\\AppData\\Roaming\\Bviklyjatzb.exe"	BBVA__Aviso_de_Pago_pdf.exe

Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

33 ip-api.com
31 api.ipify.org
32 api.ipify.org
Suspicious use of SetThreadContext 1 IoCs

Processes:

BBVA__Aviso_de_Pago_pdf.exe

description pid process target process

PID 3088 set thread context of 4700 3088 BBVA__Aviso_de_Pago_pdf.exe BBVA__Aviso_de_Pago_pdf.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

BBVA__Aviso_de_Pago_pdf.exe

pid process

4700 BBVA__Aviso_de_Pago_pdf.exe
4700 BBVA__Aviso_de_Pago_pdf.exe

flow	ioc
33	ip-api.com
31	api.ipify.org
32	api.ipify.org

description	pid	process	target process
PID 3088 set thread context of 4700	3088	BBVA__Aviso_de_Pago_pdf.exe	BBVA__Aviso_de_Pago_pdf.exe

pid	process
4700	BBVA__Aviso_de_Pago_pdf.exe
4700	BBVA__Aviso_de_Pago_pdf.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

BBVA__Aviso_de_Pago_pdf.exeBBVA__Aviso_de_Pago_pdf.exe

description	pid	process
Token: SeDebugPrivilege	3088	BBVA__Aviso_de_Pago_pdf.exe
Token: SeDebugPrivilege	3088	BBVA__Aviso_de_Pago_pdf.exe
Token: SeDebugPrivilege	4700	BBVA__Aviso_de_Pago_pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

BBVA__Aviso_de_Pago_pdf.exe

description	pid	process	target process
PID 3088 wrote to memory of 4700	3088	BBVA__Aviso_de_Pago_pdf.exe	BBVA__Aviso_de_Pago_pdf.exe
PID 3088 wrote to memory of 4700	3088	BBVA__Aviso_de_Pago_pdf.exe	BBVA__Aviso_de_Pago_pdf.exe
PID 3088 wrote to memory of 4700	3088	BBVA__Aviso_de_Pago_pdf.exe	BBVA__Aviso_de_Pago_pdf.exe
PID 3088 wrote to memory of 4700	3088	BBVA__Aviso_de_Pago_pdf.exe	BBVA__Aviso_de_Pago_pdf.exe
PID 3088 wrote to memory of 4700	3088	BBVA__Aviso_de_Pago_pdf.exe	BBVA__Aviso_de_Pago_pdf.exe
PID 3088 wrote to memory of 4700	3088	BBVA__Aviso_de_Pago_pdf.exe	BBVA__Aviso_de_Pago_pdf.exe
PID 3088 wrote to memory of 4700	3088	BBVA__Aviso_de_Pago_pdf.exe	BBVA__Aviso_de_Pago_pdf.exe
PID 3088 wrote to memory of 4700	3088	BBVA__Aviso_de_Pago_pdf.exe	BBVA__Aviso_de_Pago_pdf.exe

C:\Users\Admin\AppData\Local\Temp\BBVA__Aviso_de_Pago_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\BBVA__Aviso_de_Pago_pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3088

C:\Users\Admin\AppData\Local\Temp\BBVA__Aviso_de_Pago_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\BBVA__Aviso_de_Pago_pdf.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4700

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Unsecured Credentials

2

T1552

Credentials In Files

2

T1552.001

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

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

MD5
489c7565f9b029ba9fadff774073cc98

SHA1
56c05089b33ee7e7dfa9e6a2d098164efd8e1150

SHA256
10bf6242da02dad8b2e1208b9dab9a7303cf986320e05e5ef20b99c9b71326d4

SHA512
ddea09c011a8d4f85905842c2f34c98add0110a0b6b3b2709718c3614a2c42dec5f4f5d5b9442cfd3c6c23e9a90c8c0b25c14c3dbd42faea9cc8dd232cace1ac

Download Submit
memory/3088-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/3088-1-0x00000000007C0000-0x00000000007D2000-memory.dmp

Filesize
72KB

Download
memory/3088-2-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/3088-3-0x0000000006250000-0x0000000006482000-memory.dmp

Filesize
2.2MB

Download
memory/3088-15-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-4-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-35-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-33-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-53-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-57-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-67-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-65-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-63-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-61-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-59-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-55-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-51-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-49-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-47-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-45-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-43-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-41-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-39-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-37-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-31-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-29-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-27-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-25-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-23-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-21-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-19-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-17-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-13-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-11-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-9-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-7-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-5-0x0000000006250000-0x000000000647C000-memory.dmp

Filesize
2.2MB

Download
memory/3088-4890-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/3088-4891-0x00000000058C0000-0x000000000592C000-memory.dmp

Filesize
432KB

Download
memory/3088-4892-0x00000000059A0000-0x00000000059EC000-memory.dmp

Filesize
304KB

Download
memory/3088-4893-0x0000000007D00000-0x00000000082A4000-memory.dmp

Filesize
5.6MB

Download
memory/3088-4894-0x0000000005A40000-0x0000000005A94000-memory.dmp

Filesize
336KB

Download
memory/3088-4899-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4700-4900-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4700-4901-0x00000000001B0000-0x00000000001F2000-memory.dmp

Filesize
264KB

Download
memory/4700-4902-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4700-4903-0x0000000004AC0000-0x0000000004B26000-memory.dmp

Filesize
408KB

Download
memory/4700-4904-0x0000000006240000-0x00000000062DC000-memory.dmp

Filesize
624KB

Download
memory/4700-4905-0x00000000062E0000-0x0000000006372000-memory.dmp

Filesize
584KB

Download
memory/4700-4906-0x0000000006220000-0x000000000622A000-memory.dmp

Filesize
40KB

Download
memory/4700-4907-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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