agenttesla | 59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d

General

Target

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe
Size

419KB
MD5

70173c37f754774127f45b2998a389e2
SHA1

4a9457425dddb95327d47bdd888119b4ab09139d
SHA256

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d
SHA512

ec3f4dc4c3fcef68923c1962fe4d0bd32aea20aa7bb61189c8824753f1b3f8021b4099914fc4481b9794d8b280235e8e1966e23e9ff609b0ef418273b9b64d37
SSDEEP

12288:W/NNz+/Z8elABlehoAX3bWJDU8ienbQTh8:W/Nm8+hIJDlHnbQC

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
mommy2158

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
mommy2158

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Agenttesla family
agenttesla
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 3 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

Credentials from Web Browsers
T1555.003
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

Processes:

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

description	pid	Process	procid_target
PID 4344 set thread context of 3216	4344	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe	91

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

Processes:

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

pid	Process
3216	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe
3216	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

Suspicious behavior: RenamesItself 1 IoCs

Processes:

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

pid	Process
3216	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

description	pid	Process
Token: SeDebugPrivilege	3216	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

description	pid	Process	procid_target
PID 4344 wrote to memory of 3216	4344	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe	91
PID 4344 wrote to memory of 3216	4344	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe	91
PID 4344 wrote to memory of 3216	4344	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe	91
PID 4344 wrote to memory of 3216	4344	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe	91
PID 4344 wrote to memory of 3216	4344	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe	91
PID 4344 wrote to memory of 3216	4344	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe	91
PID 4344 wrote to memory of 3216	4344	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe	91
PID 4344 wrote to memory of 3216	4344	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe	91

outlook_office_path 1 IoCs

Processes:

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

outlook_win_path 1 IoCs

Processes:

59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe

C:\Users\Admin\AppData\Local\Temp\59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe
"C:\Users\Admin\AppData\Local\Temp\59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4344
- C:\Users\Admin\AppData\Local\Temp\59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe
  "{path}"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3216

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

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

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\59e0f60e33442550bde6a455db94a27b05f2d3db5644bf1df31d9c64bfc0322d.exe.log

Filesize
496B

MD5
cb76b18ebed3a9f05a14aed43d35fba6

SHA1
836a4b4e351846fca08b84149cb734cb59b8c0d6

SHA256
8d0edecf54cbbdf7981c8e41a3ed8621503188a87415f9af0fb8d890b138c349

SHA512
7631141e4a6dda29452ada666326837372cd3d045f773006f63d9eff15d9432ed00029d9108a72c1a3b858377600a2aab2c9ec03764285c8801b6019babcf21c

Download Submit
memory/3216-13-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/3216-11-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/3216-17-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/3216-16-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/3216-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3216-15-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/3216-12-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/3216-10-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/3216-8-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-9-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-2-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-0-0x0000000074C42000-0x0000000074C43000-memory.dmp

Filesize
4KB

Download
memory/4344-1-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-4-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/4344-3-0x0000000074C42000-0x0000000074C43000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads