agenttesla | e8113cb73f2c87ceece965da48e6f55a222fa92c6800c069babe30dfd76db633

General

Target
b62b309505bb6d1eae755a344ac518e2.exe
Size 284KB
Sample220323-mghw8aggdl
SHA256 e8113cb73f2c87ceece965da48e6f55a222fa92c6800c069babe30dfd76db633
MD5 b62b309505bb6d1eae755a344ac518e2
SHA1 48a839ec63c9edb5361e8bd00c88a61ede108156
SHA512 8665727f6ce552e1fbfacdf24c34dcad984829f2c64de05c0be634649d1c39dcf30af72c54fe179805c800b67d56eea881e1482b6a49ce7bd7c702607ccdbfa8
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol
smtp
Host
premium235.web-hosting.com
Port
587
Username
[email protected]
Password
aceband9082

Signatures

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

Executes dropped EXE 2 IoCs

pid	Process
1272	tbdsi.exe
4076	tbdsi.exe

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
T1081
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
T1081
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
T1081

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tbdsi.exe
Key opened	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tbdsi.exe
Key opened	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tbdsi.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1272 set thread context of 4076	1272	tbdsi.exe	84

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4076	tbdsi.exe
4076	tbdsi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4076	tbdsi.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 924 wrote to memory of 1272	924	b62b309505bb6d1eae755a344ac518e2.exe	83
PID 924 wrote to memory of 1272	924	b62b309505bb6d1eae755a344ac518e2.exe	83
PID 924 wrote to memory of 1272	924	b62b309505bb6d1eae755a344ac518e2.exe	83
PID 1272 wrote to memory of 4076	1272	tbdsi.exe	84
PID 1272 wrote to memory of 4076	1272	tbdsi.exe	84
PID 1272 wrote to memory of 4076	1272	tbdsi.exe	84
PID 1272 wrote to memory of 4076	1272	tbdsi.exe	84
PID 1272 wrote to memory of 4076	1272	tbdsi.exe	84
PID 1272 wrote to memory of 4076	1272	tbdsi.exe	84
PID 1272 wrote to memory of 4076	1272	tbdsi.exe	84
PID 1272 wrote to memory of 4076	1272	tbdsi.exe	84
PID 1272 wrote to memory of 4076	1272	tbdsi.exe	84
PID 1272 wrote to memory of 4076	1272	tbdsi.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tbdsi.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2403053463-4052593947-3703345493-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	tbdsi.exe

C:\Users\Admin\AppData\Local\Temp\b62b309505bb6d1eae755a344ac518e2.exe
"C:\Users\Admin\AppData\Local\Temp\b62b309505bb6d1eae755a344ac518e2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:924
- C:\Users\Admin\AppData\Local\Temp\tbdsi.exe
  C:\Users\Admin\AppData\Local\Temp\tbdsi.exe C:\Users\Admin\AppData\Local\Temp\gahbvndoy
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - Suspicious use of WriteProcessMemory
  PID:1272
- - C:\Users\Admin\AppData\Local\Temp\tbdsi.exe
    C:\Users\Admin\AppData\Local\Temp\tbdsi.exe C:\Users\Admin\AppData\Local\Temp\gahbvndoy
    3⤵
    - Executes dropped EXE
    - Accesses Microsoft Outlook profiles
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - outlook_office_path
    - outlook_win_path
    PID:4076

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4076-142-0x0000000000400000-0x000000000044A000-memory.dmp

Download

memory/4076-140-0x0000000000400000-0x000000000044A000-memory.dmp

Download

memory/4076-143-0x0000000000400000-0x000000000044A000-memory.dmp

Download

memory/4076-144-0x0000000004A00000-0x0000000004FA4000-memory.dmp

Download

memory/4076-145-0x0000000004FB0000-0x000000000504C000-memory.dmp

Download

memory/4076-146-0x0000000005960000-0x00000000059C6000-memory.dmp

Download

memory/4076-147-0x0000000005DA0000-0x0000000005DF0000-memory.dmp

Download

memory/4076-148-0x0000000006080000-0x0000000006112000-memory.dmp

Download

memory/4076-149-0x0000000006190000-0x000000000619A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads