agenttesla | 344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2

General

Target

344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe
Size

638KB
MD5

e6eb5738b057050d55b6cf696e28e545
SHA1

2921e57b21c589b6dfc3d298e964f51544970999
SHA256

344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2
SHA512

0fa5df513b4cd6bf9c9a95c0b1ac4ad414d4630d19c77000b0e56b10a775979ec94c3374b2003ba5e68cd95c2241917cffdee44b20ee665fcf22e1d5d425bddd
SSDEEP

12288:Pw0DonKLgSqqYSUdNljNNPN5l2svMlfLtd3jq0KjCSAXhBYT:RmqYVdN5NFNFQ3ONAR

Score

10^/10

agenttesla discovery execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: ftp
Host:
ftp://ftp.antoniomayol.com:21
Port:
21
Username:
[email protected]
Password:
cMhKDQUk1{;%

Signatures

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe	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 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

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1164 set thread context of 2864	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	31

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
2184	Powershell.exe

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	Powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2184	Powershell.exe
2864	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe
2864	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2184	Powershell.exe
Token: SeDebugPrivilege	2864	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1164 wrote to memory of 2184	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	29
PID 1164 wrote to memory of 2184	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	29
PID 1164 wrote to memory of 2184	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	29
PID 1164 wrote to memory of 2184	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	29
PID 1164 wrote to memory of 2864	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	31
PID 1164 wrote to memory of 2864	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	31
PID 1164 wrote to memory of 2864	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	31
PID 1164 wrote to memory of 2864	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	31
PID 1164 wrote to memory of 2864	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	31
PID 1164 wrote to memory of 2864	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	31
PID 1164 wrote to memory of 2864	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	31
PID 1164 wrote to memory of 2864	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	31
PID 1164 wrote to memory of 2864	1164	344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe	31

C:\Users\Admin\AppData\Local\Temp\344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe
"C:\Users\Admin\AppData\Local\Temp\344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1164
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2184
- C:\Users\Admin\AppData\Local\Temp\344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe
  "C:\Users\Admin\AppData\Local\Temp\344cee3534296bfa8f7c3d6a2ec62d91e0c24c36493a6680dc12b3a16a593df2.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2864

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 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

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Downloads

memory/1164-24-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/1164-1-0x0000000000820000-0x00000000008C6000-memory.dmp

Filesize
664KB

Download
memory/1164-2-0x00000000041F0000-0x0000000004260000-memory.dmp

Filesize
448KB

Download
memory/1164-3-0x0000000074BD0000-0x00000000752BE000-memory.dmp

Filesize
6.9MB

Download
memory/1164-11-0x0000000000440000-0x0000000000448000-memory.dmp

Filesize
32KB

Download
memory/1164-0-0x0000000074BDE000-0x0000000074BDF000-memory.dmp

Filesize
4KB

Download
memory/2184-6-0x000000006FBE1000-0x000000006FBE2000-memory.dmp

Filesize
4KB

Download
memory/2184-8-0x000000006FBE0000-0x000000007018B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-9-0x000000006FBE0000-0x000000007018B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-7-0x000000006FBE0000-0x000000007018B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-10-0x000000006FBE0000-0x000000007018B000-memory.dmp

Filesize
5.7MB

Download
memory/2184-26-0x000000006FBE0000-0x000000007018B000-memory.dmp

Filesize
5.7MB

Download
memory/2864-13-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-21-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-17-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2864-15-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-14-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-12-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-23-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download
memory/2864-19-0x0000000000400000-0x0000000000442000-memory.dmp

Filesize
264KB

Download

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