agenttesla | fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662c

General

Target

fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe
Size

1.1MB
MD5

b4a8d78ac7a0d021a952df540f19ba40
SHA1

176b0680ef8bfaab4dc13c46d40cfd914fcb662f
SHA256

fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662c
SHA512

dd2aa4cb916c93082434f0a451f8ae736da1382a363c206f08b790e57f32727da401c4487db6e7413d5ef3471451ed43e9a066065d27a9ef7aef57a58f1fc829
SSDEEP

24576:RRmJkcoQricOIQxiZY1ia7uz53U3YwvIL0BJCF/yXYi3:eJZoQrbTFZY1ia7uzFUPBz3

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.solucionesmexico.mx
Port:
587
Username:
[email protected]
Password:
Qdk,[nKrmI0j
Email To:
[email protected]

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

AutoIT Executable 1 IoCs

AutoIT scripts compiled to PE executables.

resource	yara_rule
behavioral2/memory/2880-2-0x0000000003E70000-0x0000000004270000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2880 set thread context of 4796	2880	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe	82

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4796	RegSvcs.exe
4796	RegSvcs.exe

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
2880	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe
2880	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4796	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2880	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe
2880	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2880	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe
2880	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 4796	2880	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe	82
PID 2880 wrote to memory of 4796	2880	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe	82
PID 2880 wrote to memory of 4796	2880	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe	82
PID 2880 wrote to memory of 4796	2880	fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe
"C:\Users\Admin\AppData\Local\Temp\fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\fa5392813def2278a7df646d987f8f795370b034d2c5d8a485d331c7a6a5662cN.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2880-2-0x0000000003E70000-0x0000000004270000-memory.dmp

Filesize
4.0MB

Download
memory/4796-3-0x00000000003D0000-0x0000000000400000-memory.dmp

Filesize
192KB

Download
memory/4796-4-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/4796-5-0x0000000005360000-0x0000000005904000-memory.dmp

Filesize
5.6MB

Download
memory/4796-6-0x0000000004DB0000-0x0000000004E16000-memory.dmp

Filesize
408KB

Download
memory/4796-7-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download
memory/4796-8-0x0000000005D60000-0x0000000005DB0000-memory.dmp

Filesize
320KB

Download
memory/4796-9-0x0000000005F80000-0x0000000006142000-memory.dmp

Filesize
1.8MB

Download
memory/4796-10-0x0000000005E50000-0x0000000005EE2000-memory.dmp

Filesize
584KB

Download
memory/4796-11-0x0000000005DE0000-0x0000000005DEA000-memory.dmp

Filesize
40KB

Download
memory/4796-12-0x00000000749BE000-0x00000000749BF000-memory.dmp

Filesize
4KB

Download
memory/4796-13-0x00000000749B0000-0x0000000075160000-memory.dmp

Filesize
7.7MB

Download

Analysis

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