agenttesla | e66acb9e49f3a8116cd49e72bb3de3d059494f4ec23956e674fb7094d7321f9e

General

Target

Quotation_request_WZ_24.exe
Size

1.1MB
MD5

ecea73fa26da4f196457d02c6644bbc8
SHA1

b555528fa1024c4ed0f32bd17278b82f7be9c45e
SHA256

e0cc617ae8f5150690bd49436f8983fe753eb8cf41dc14624eae48ef75aac274
SHA512

8a58ed595e0a323365a7693858b33bd17d304713e07c2b9a760e6c54430a93d758226497d7dd527466fa5614b3f8e10d76074fdf46d092949ee66d021157ea0f
SSDEEP

24576:c4lavt0LkLL9IMixoEgeaSqW1bmstNyJHBq9MmCS:rkwkn9IMHeaSB1RtNkaPCS

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1749457201:AAGWIY2QPzrHZIumAIUsWjyRAEWcJrauccY/sendDocument

Signatures

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

AgentTesla payload 3 IoCs

resource	yara_rule
behavioral1/memory/2816-7-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2816-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2816-9-0x0000000000400000-0x000000000043C000-memory.dmp	family_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

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2708 set thread context of 2816	2708	Quotation_request_WZ_24.exe	30

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	Quotation_request_WZ_24.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2816	RegSvcs.exe
2816	RegSvcs.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2708	Quotation_request_WZ_24.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	RegSvcs.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
2708	Quotation_request_WZ_24.exe
2708	Quotation_request_WZ_24.exe

Suspicious use of SendNotifyMessage 2 IoCs

pid	Process
2708	Quotation_request_WZ_24.exe
2708	Quotation_request_WZ_24.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2816	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2816	2708	Quotation_request_WZ_24.exe	30
PID 2708 wrote to memory of 2816	2708	Quotation_request_WZ_24.exe	30
PID 2708 wrote to memory of 2816	2708	Quotation_request_WZ_24.exe	30
PID 2708 wrote to memory of 2816	2708	Quotation_request_WZ_24.exe	30
PID 2708 wrote to memory of 2816	2708	Quotation_request_WZ_24.exe	30
PID 2708 wrote to memory of 2816	2708	Quotation_request_WZ_24.exe	30
PID 2708 wrote to memory of 2816	2708	Quotation_request_WZ_24.exe	30
PID 2708 wrote to memory of 2816	2708	Quotation_request_WZ_24.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\Quotation_request_WZ_24.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation_request_WZ_24.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation_request_WZ_24.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2816

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

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2708-6-0x0000000000640000-0x0000000000A40000-memory.dmp

Filesize
4.0MB

Download
memory/2816-7-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-12-0x0000000073DDE000-0x0000000073DDF000-memory.dmp

Filesize
4KB

Download
memory/2816-13-0x0000000073DD0000-0x00000000744BE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-14-0x0000000073DDE000-0x0000000073DDF000-memory.dmp

Filesize
4KB

Download
memory/2816-15-0x0000000073DD0000-0x00000000744BE000-memory.dmp

Filesize
6.9MB

Download

Analysis

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