agenttesla | 5c144627697438d385f2fe493ece0aa8edf19e106d195595f85f863b91c7a6bb

General

Target

Stone Quotation.exe
Size

565KB
MD5

75346fc05ce9a0921add66bfe01fb2e2
SHA1

c833b6d3d6daf09ba2bc456157aac5c517dc3895
SHA256

6bfaed4b195fabe34d859307606ab45f4be80702d73e60efce3147b3a75d48f6
SHA512

afe384255acaa52130aaf690be1743edc38e3dd4da63443c4190c34bd9176b1fd35f8cf286f7944ba5ad9698e61ec0fdecaba993e1f98acd4069e68479d3e455

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.chenklins.com
Port:
587
Username:
[email protected]
Password:
VBRSv_r)C~mM

Signatures

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

AgentTesla Payload 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1816-58-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1816-59-0x00000000004542EE-mapping.dmp	family_agenttesla
behavioral1/memory/1816-61-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla
behavioral1/memory/1816-63-0x0000000000400000-0x000000000045A000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Stone Quotation.exe

description pid process target process

PID 108 set thread context of 1816 108 Stone Quotation.exe MSBuild.exe
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

2024 schtasks.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

1816 MSBuild.exe
1816 MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1816 MSBuild.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

MSBuild.exe

pid process

1816 MSBuild.exe

description	pid	process	target process
PID 108 set thread context of 1816	108	Stone Quotation.exe	MSBuild.exe

pid	process
2024	schtasks.exe

pid	process
1816	MSBuild.exe
1816	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1816	MSBuild.exe

pid	process
1816	MSBuild.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

Stone Quotation.execmd.exe

description	pid	process	target process
PID 108 wrote to memory of 1324	108	Stone Quotation.exe	cmd.exe
PID 108 wrote to memory of 1324	108	Stone Quotation.exe	cmd.exe
PID 108 wrote to memory of 1324	108	Stone Quotation.exe	cmd.exe
PID 108 wrote to memory of 1324	108	Stone Quotation.exe	cmd.exe
PID 1324 wrote to memory of 2024	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 2024	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 2024	1324	cmd.exe	schtasks.exe
PID 1324 wrote to memory of 2024	1324	cmd.exe	schtasks.exe
PID 108 wrote to memory of 1816	108	Stone Quotation.exe	MSBuild.exe
PID 108 wrote to memory of 1816	108	Stone Quotation.exe	MSBuild.exe
PID 108 wrote to memory of 1816	108	Stone Quotation.exe	MSBuild.exe
PID 108 wrote to memory of 1816	108	Stone Quotation.exe	MSBuild.exe
PID 108 wrote to memory of 1816	108	Stone Quotation.exe	MSBuild.exe
PID 108 wrote to memory of 1816	108	Stone Quotation.exe	MSBuild.exe
PID 108 wrote to memory of 1816	108	Stone Quotation.exe	MSBuild.exe
PID 108 wrote to memory of 1816	108	Stone Quotation.exe	MSBuild.exe
PID 108 wrote to memory of 1816	108	Stone Quotation.exe	MSBuild.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\Stone Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Stone Quotation.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:108

C:\Windows\SysWOW64\cmd.exe
cmd /c schtasks /Create /TN tenda /XML "C:\Users\Admin\AppData\Local\Temp\9853f71761e4486ba753aaab1f5bb940.xml"
2⤵
- Suspicious use of WriteProcessMemory
PID:1324

C:\Windows\SysWOW64\schtasks.exe
schtasks /Create /TN tenda /XML "C:\Users\Admin\AppData\Local\Temp\9853f71761e4486ba753aaab1f5bb940.xml"
3⤵
- Creates scheduled task(s)
PID:2024

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\Users\Admin\AppData\Local\Temp\Stone Quotation.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:1816

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\9853f71761e4486ba753aaab1f5bb940.xml
Filesize
1KB

MD5
34a5523e6eb1abbfcc1171b2198e15ea

SHA1
e2e35debfe7ac8c6a91f749358b735e7fb710f68

SHA256
4885f99001971f4baff456b5539832120e66dcdfd66b76b43524fdd4d43b6aff

SHA512
2db7aa30a2c22f05404107634d644d337791e5f9b32089432f04cc479d60528893887d2357701d9a3952d8d8cde7caddd1c6825f0db0b315d5fc033b535ecfa5

Download Submit
memory/108-54-0x00000000011C0000-0x0000000001252000-memory.dmp

Filesize
584KB

Download
memory/1324-55-0x0000000000000000-mapping.dmp

Download
memory/1816-58-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1816-59-0x00000000004542EE-mapping.dmp

Download
memory/1816-61-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1816-63-0x0000000000400000-0x000000000045A000-memory.dmp

Filesize
360KB

Download
memory/1816-64-0x0000000075A61000-0x0000000075A63000-memory.dmp

Filesize
8KB

Download
memory/1816-65-0x0000000073FA0000-0x000000007454B000-memory.dmp

Filesize
5.7MB

Download
memory/2024-56-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads