agenttesla | 479cdecbcd818259a347a9bdee37b960e369bcab4f537364b400e834debd4d1c

General

Target

PO7804118.exe
Size

893KB
MD5

2137e10273e08d4a7de9cc4b972e8a12
SHA1

736de35693a723137a5237c379450b1201b0a0b2
SHA256

b8fa08e31085513e0ab8b0e0d0f7991c50f391e92f7593e19644ffe9fa8827be
SHA512

715f7f7d97bb7d2c4f35e55cd998d982fa40dffaee2a365705386d5c26489c8ad51b6f5da413538dbafd579f9555d3958448bd654bc1778c880c0f9e5d4cb116
SSDEEP

12288:c/BKYvI8ohK/opCle0WxdXZw55qpNdiTJqOxQschcj3+KkR:WOQosU0I7pyl5xnr+J

Score

10^/10

agenttesla credential_access discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
zqamcx.com
Port:
587
Username:
[email protected]
Password:
Anambraeast@2023
Email To:
[email protected]

Signatures

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

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2708	powershell.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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1444 set thread context of 2688	1444	PO7804118.exe	31

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	PO7804118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO7804118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2688	PO7804118.exe
2688	PO7804118.exe
2708	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2688	PO7804118.exe
Token: SeDebugPrivilege	2708	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2688	PO7804118.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1444 wrote to memory of 2708	1444	PO7804118.exe	30
PID 1444 wrote to memory of 2708	1444	PO7804118.exe	30
PID 1444 wrote to memory of 2708	1444	PO7804118.exe	30
PID 1444 wrote to memory of 2708	1444	PO7804118.exe	30
PID 1444 wrote to memory of 2688	1444	PO7804118.exe	31
PID 1444 wrote to memory of 2688	1444	PO7804118.exe	31
PID 1444 wrote to memory of 2688	1444	PO7804118.exe	31
PID 1444 wrote to memory of 2688	1444	PO7804118.exe	31
PID 1444 wrote to memory of 2688	1444	PO7804118.exe	31
PID 1444 wrote to memory of 2688	1444	PO7804118.exe	31
PID 1444 wrote to memory of 2688	1444	PO7804118.exe	31
PID 1444 wrote to memory of 2688	1444	PO7804118.exe	31
PID 1444 wrote to memory of 2688	1444	PO7804118.exe	31

C:\Users\Admin\AppData\Local\Temp\PO7804118.exe
"C:\Users\Admin\AppData\Local\Temp\PO7804118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1444
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\PO7804118.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2708
- C:\Users\Admin\AppData\Local\Temp\PO7804118.exe
  "C:\Users\Admin\AppData\Local\Temp\PO7804118.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

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

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

4

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1444-0-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/1444-1-0x00000000001D0000-0x00000000002AE000-memory.dmp

Filesize
888KB

Download
memory/1444-2-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1444-3-0x0000000001E60000-0x0000000001E78000-memory.dmp

Filesize
96KB

Download
memory/1444-4-0x000000007436E000-0x000000007436F000-memory.dmp

Filesize
4KB

Download
memory/1444-5-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/1444-6-0x00000000059D0000-0x0000000005A54000-memory.dmp

Filesize
528KB

Download
memory/1444-23-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2688-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2688-22-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-17-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2688-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2688-11-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2688-9-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2688-7-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2688-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2688-24-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download
memory/2688-27-0x0000000074360000-0x0000000074A4E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing