agenttesla | 9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3

General

Target

9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe
Size

484KB
MD5

1772fa38d0a7ca65d6fdf06833f18341
SHA1

2b10988ce7b44ffcb1da9f0c6aadb4a7aba95075
SHA256

9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3
SHA512

9d66e6cdcf7c715ad30a9ee5d6b138b39dbc7c86a250af7395a6be894fcec7457bd2585b17ceeae8dfb49bb32a82f71ab3e2516ff6c28aabaa5bc549d53502b3
SSDEEP

12288:0mky6kGLZ6suBxjiBeKa1iwclbx0KjlbnE7Nc:xxsUxj++1i7l+Nc

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.penavico--cz.com
Port:
587
Username:
[email protected]
Password:
Fq$L%J((!6

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1352-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2164 set thread context of 1352	2164	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe	87

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	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1352	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe
1352	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2164	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe
Token: SeDebugPrivilege	1352	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2164 wrote to memory of 1352	2164	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe	87
PID 2164 wrote to memory of 1352	2164	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe	87
PID 2164 wrote to memory of 1352	2164	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe	87
PID 2164 wrote to memory of 1352	2164	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe	87
PID 2164 wrote to memory of 1352	2164	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe	87
PID 2164 wrote to memory of 1352	2164	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe	87
PID 2164 wrote to memory of 1352	2164	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe	87
PID 2164 wrote to memory of 1352	2164	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe	87

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe

C:\Users\Admin\AppData\Local\Temp\9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe
"C:\Users\Admin\AppData\Local\Temp\9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2164
- C:\Users\Admin\AppData\Local\Temp\9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.exe
  "C:\Users\Admin\AppData\Local\Temp\9973c59e706b46c794971eb91573633d8408ecba0cb58275e1c791b8a0bf04c3.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:1352

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

4

T1552

Credentials In Files

4

T1552.001

Discovery

System Information Discovery

1

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

Replay Monitor

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Downloads

memory/1352-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1352-17-0x00000000052E0000-0x0000000005330000-memory.dmp

Filesize
320KB

Download
memory/1352-16-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1352-15-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1352-14-0x0000000005970000-0x0000000005988000-memory.dmp

Filesize
96KB

Download
memory/1352-12-0x0000000005680000-0x000000000571C000-memory.dmp

Filesize
624KB

Download
memory/1352-11-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/1352-10-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2164-4-0x0000000005310000-0x0000000005376000-memory.dmp

Filesize
408KB

Download
memory/2164-8-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2164-7-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/2164-6-0x00000000056F0000-0x00000000056FA000-memory.dmp

Filesize
40KB

Download
memory/2164-5-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2164-13-0x0000000074BF0000-0x00000000753A0000-memory.dmp

Filesize
7.7MB

Download
memory/2164-0-0x0000000074BFE000-0x0000000074BFF000-memory.dmp

Filesize
4KB

Download
memory/2164-3-0x00000000053B0000-0x0000000005442000-memory.dmp

Filesize
584KB

Download
memory/2164-2-0x0000000005A10000-0x0000000005FB4000-memory.dmp

Filesize
5.6MB

Download
memory/2164-1-0x0000000000B40000-0x0000000000BBE000-memory.dmp

Filesize
504KB

Download

Analysis

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