agenttesla | e90d5755d62686199f7e69ebd105044a5a6b1552cb0eeb13742b5f2d01bed32b

General

Target

17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe
Size

888KB
MD5

25d6c4747284bf8489b1faa56a1ddd42
SHA1

49112625189085cdde41b13809efa60d3d26fc5a
SHA256

17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f
SHA512

62c9f541b7db2be928de9678b050efe98769b573fbf4855ec343a78527618c4c63c7a0c3bd1fda26d9232dc27fd47bf254d6c4984f86d2397d4266c19f6216f9
SSDEEP

12288:zK4HTNfVv2SM15g7MW6ZWPVSmb33VqYs/+exRtOM7LXCtj:fv24MlQPPVqd/+e9OM+

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
YAWALESS123@@

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

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2848 set thread context of 2320	2848	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe	31

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	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2320	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe
2320	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2320	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2320	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2848 wrote to memory of 2320	2848	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe	31
PID 2848 wrote to memory of 2320	2848	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe	31
PID 2848 wrote to memory of 2320	2848	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe	31
PID 2848 wrote to memory of 2320	2848	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe	31
PID 2848 wrote to memory of 2320	2848	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe	31
PID 2848 wrote to memory of 2320	2848	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe	31
PID 2848 wrote to memory of 2320	2848	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe	31
PID 2848 wrote to memory of 2320	2848	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe	31
PID 2848 wrote to memory of 2320	2848	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe	31

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe

C:\Users\Admin\AppData\Local\Temp\17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe
"C:\Users\Admin\AppData\Local\Temp\17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2848
- C:\Users\Admin\AppData\Local\Temp\17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe
  "C:\Users\Admin\AppData\Local\Temp\17589e726e9a629be05b4a39848c3a399549b646c38bbe9ac4c301a261dacc8f.exe"
  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:2320

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

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/2320-19-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2320-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2320-13-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2320-14-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2320-25-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2320-24-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2320-17-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2320-22-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2320-11-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2320-9-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2320-26-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2320-21-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2848-6-0x00000000005C0000-0x00000000005CC000-memory.dmp

Filesize
48KB

Download
memory/2848-8-0x0000000000780000-0x00000000007BA000-memory.dmp

Filesize
232KB

Download
memory/2848-2-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-0-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2848-7-0x00000000051A0000-0x0000000005234000-memory.dmp

Filesize
592KB

Download
memory/2848-1-0x0000000000270000-0x0000000000354000-memory.dmp

Filesize
912KB

Download
memory/2848-5-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-23-0x0000000074600000-0x0000000074CEE000-memory.dmp

Filesize
6.9MB

Download
memory/2848-4-0x000000007460E000-0x000000007460F000-memory.dmp

Filesize
4KB

Download
memory/2848-3-0x0000000000580000-0x000000000059C000-memory.dmp

Filesize
112KB

Download

Analysis

Sharing