agenttesla | 803e4f7759e21b0d2c93f4e43e93e928cf0df1eac2da8ce3f4eded5be6102635

General

Target

Purchase Order 4589012.exe
Size

593KB
MD5

c14996b07681c32bfffc365b67b85be5
SHA1

3eef1730c800fb66ddcfdf03dff1a430886694d1
SHA256

ccb65f79de018225e7ca824cc70f81726e771019e53785d7a2a3772548fcfa23
SHA512

2a1dce34ab3163da645dc94e5695805b5d3485c0095504625c5b56a51c135eae2a2a326aa978c77fa46521ab6f6b41bac2332c52883745b0eb07821aa6b0b6b7
SSDEEP

12288:srjcW2k4zUwiOZKWj9sIZVETEwXBDwVbl9oQFQC/MRBaTJr:srYHZKm9/9COJy0w

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
mail.meiaduzia.pt
Port:
587
Username:
[email protected]
Password:
Loja_Flores!1

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.meiaduzia.pt
Port:
587
Username:
[email protected]
Password:
Loja_Flores!1

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1508-8-0x0000000000400000-0x000000000044C000-memory.dmp	family_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

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Control Panel\International\Geo\Nation	Purchase Order 4589012.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 4589012.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 4589012.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 4589012.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 452 set thread context of 1508	452	Purchase Order 4589012.exe	103

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 3 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	Purchase Order 4589012.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Purchase Order 4589012.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1216	schtasks.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1508	Purchase Order 4589012.exe
1508	Purchase Order 4589012.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1508	Purchase Order 4589012.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1508	Purchase Order 4589012.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 452 wrote to memory of 1216	452	Purchase Order 4589012.exe	101
PID 452 wrote to memory of 1216	452	Purchase Order 4589012.exe	101
PID 452 wrote to memory of 1216	452	Purchase Order 4589012.exe	101
PID 452 wrote to memory of 1508	452	Purchase Order 4589012.exe	103
PID 452 wrote to memory of 1508	452	Purchase Order 4589012.exe	103
PID 452 wrote to memory of 1508	452	Purchase Order 4589012.exe	103
PID 452 wrote to memory of 1508	452	Purchase Order 4589012.exe	103
PID 452 wrote to memory of 1508	452	Purchase Order 4589012.exe	103
PID 452 wrote to memory of 1508	452	Purchase Order 4589012.exe	103
PID 452 wrote to memory of 1508	452	Purchase Order 4589012.exe	103
PID 452 wrote to memory of 1508	452	Purchase Order 4589012.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 4589012.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Purchase Order 4589012.exe

C:\Users\Admin\AppData\Local\Temp\Purchase Order 4589012.exe
"C:\Users\Admin\AppData\Local\Temp\Purchase Order 4589012.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:452
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\fbyfck" /XML "C:\Users\Admin\AppData\Local\Temp\tmp2EBC.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1216
- C:\Users\Admin\AppData\Local\Temp\Purchase Order 4589012.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:1508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Purchase Order 4589012.exe.log

Filesize
408B

MD5
bb1223757cb629fe2053cc448c79f138

SHA1
498a204bd65d1a9e70090b6fcab37735d46bd53e

SHA256
f7ff5e1934035d24671075998f05639c5f904a79fa331ed48222cbfebaf9db57

SHA512
87392a77c1e55da11d351545009b09dc3e7f3641606c29a2142eb4eef121697c19f3c8ab80864de00f9bb72135ea148668cefb5bbf4383a628427e1d4f6461a1

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp2EBC.tmp

Filesize
1KB

MD5
59145ba13fe5eff255e0aac2b2b486e2

SHA1
95b108ee486d4e3d9c391697abaf23de4822b6a6

SHA256
d5fabf485517aabbc165a419225bcf5a339ac84cd3e50f92f34ed3963d998f0a

SHA512
518c02cf8ee639f5ff485974ee04478af4090ae7cf6826d791aed5aa1a71dff7a5e860ca588374875cc94beef73cade242b5c1e1d1d8b05743a3866ed8478fb4

Download Submit
memory/452-12-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/452-0-0x00000000751E2000-0x00000000751E3000-memory.dmp

Filesize
4KB

Download
memory/452-4-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/452-2-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/452-3-0x00000000751E2000-0x00000000751E3000-memory.dmp

Filesize
4KB

Download
memory/452-1-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/1508-11-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/1508-8-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1508-13-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/1508-14-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/1508-15-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/1508-16-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/1508-17-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/1508-18-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download
memory/1508-22-0x00000000751E0000-0x0000000075791000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads