agenttesla | 2b75f0ed07001c7f0cd37e00026e5cb7690125a6241a669d4b478e63c12d05c2

General

Target

Enquiry Quote - 21834-01.exe
Size

918KB
MD5

c36f7decee9c64288f965760602a0304
SHA1

bc94a9fd5b1c670b297ecf49e5d510b6260fc2e4
SHA256

1956125132b1100787391d872c8cdd8cfe43f6b9820b8af6b91ce3c2fb73f504
SHA512

8785fc51e35b82a172d3280deb13baf4e657abfb9befe15dff539d84cd528d12d294483ffbe7f5de88c1d75ced84989662f7efab2d3bd6525b4e9d7e87944848
SSDEEP

24576:lAzdjwyyuHj+7BE6W6Xtz0zh1GKTPLHB00G:6zpwQHj+yIdQzh1p/W

Score

10^/10

agenttesla credential_access discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.medicalhome.com.pe
Port:
587
Username:
[email protected]
Password:
MHinfo01
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
2812	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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\GrOcCQC = "C:\\Users\\Admin\\AppData\\Roaming\\GrOcCQC\\GrOcCQC.exe"	Enquiry Quote - 21834-01.exe

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
2	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3044 set thread context of 2788	3044	Enquiry Quote - 21834-01.exe	33

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	Enquiry Quote - 21834-01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Enquiry Quote - 21834-01.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

pid	Process
3044	Enquiry Quote - 21834-01.exe
3044	Enquiry Quote - 21834-01.exe
3044	Enquiry Quote - 21834-01.exe
3044	Enquiry Quote - 21834-01.exe
3044	Enquiry Quote - 21834-01.exe
3044	Enquiry Quote - 21834-01.exe
2788	Enquiry Quote - 21834-01.exe
2788	Enquiry Quote - 21834-01.exe
2812	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3044	Enquiry Quote - 21834-01.exe
Token: SeDebugPrivilege	2788	Enquiry Quote - 21834-01.exe
Token: SeDebugPrivilege	2812	powershell.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2812	3044	Enquiry Quote - 21834-01.exe	30
PID 3044 wrote to memory of 2812	3044	Enquiry Quote - 21834-01.exe	30
PID 3044 wrote to memory of 2812	3044	Enquiry Quote - 21834-01.exe	30
PID 3044 wrote to memory of 2812	3044	Enquiry Quote - 21834-01.exe	30
PID 3044 wrote to memory of 2824	3044	Enquiry Quote - 21834-01.exe	31
PID 3044 wrote to memory of 2824	3044	Enquiry Quote - 21834-01.exe	31
PID 3044 wrote to memory of 2824	3044	Enquiry Quote - 21834-01.exe	31
PID 3044 wrote to memory of 2824	3044	Enquiry Quote - 21834-01.exe	31
PID 3044 wrote to memory of 2788	3044	Enquiry Quote - 21834-01.exe	33
PID 3044 wrote to memory of 2788	3044	Enquiry Quote - 21834-01.exe	33
PID 3044 wrote to memory of 2788	3044	Enquiry Quote - 21834-01.exe	33
PID 3044 wrote to memory of 2788	3044	Enquiry Quote - 21834-01.exe	33
PID 3044 wrote to memory of 2788	3044	Enquiry Quote - 21834-01.exe	33
PID 3044 wrote to memory of 2788	3044	Enquiry Quote - 21834-01.exe	33
PID 3044 wrote to memory of 2788	3044	Enquiry Quote - 21834-01.exe	33
PID 3044 wrote to memory of 2788	3044	Enquiry Quote - 21834-01.exe	33
PID 3044 wrote to memory of 2788	3044	Enquiry Quote - 21834-01.exe	33

C:\Users\Admin\AppData\Local\Temp\Enquiry Quote - 21834-01.exe
"C:\Users\Admin\AppData\Local\Temp\Enquiry Quote - 21834-01.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3044
- 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\Enquiry Quote - 21834-01.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2812
- C:\Users\Admin\AppData\Local\Temp\Enquiry Quote - 21834-01.exe
  "C:\Users\Admin\AppData\Local\Temp\Enquiry Quote - 21834-01.exe"
  2⤵
  PID:2824
- C:\Users\Admin\AppData\Local\Temp\Enquiry Quote - 21834-01.exe
  "C:\Users\Admin\AppData\Local\Temp\Enquiry Quote - 21834-01.exe"
  2⤵
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2788

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

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/2788-9-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2788-8-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2788-16-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2788-14-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2788-21-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2788-7-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2788-20-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2788-18-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/2788-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2788-26-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/2788-10-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/3044-2-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-0-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

Filesize
4KB

Download
memory/3044-1-0x00000000001F0000-0x00000000002DC000-memory.dmp

Filesize
944KB

Download
memory/3044-6-0x0000000006110000-0x00000000061C8000-memory.dmp

Filesize
736KB

Download
memory/3044-19-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-5-0x0000000073D10000-0x00000000743FE000-memory.dmp

Filesize
6.9MB

Download
memory/3044-4-0x0000000073D1E000-0x0000000073D1F000-memory.dmp

Filesize
4KB

Download
memory/3044-3-0x0000000000730000-0x0000000000740000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads