agenttesla | 3866c650a1273493fa16bbd086f8ff0d9e4e57d9646857aace6bf7a32839a06d

General

Target

Proforma invoice INV8.pdf.exe
Size

41KB
MD5

0712e29b28e3dfe8d6fd1aaf92b82c92
SHA1

135cdb4a8739084cb3791e8a0fda57c7f75b2c75
SHA256

3866c650a1273493fa16bbd086f8ff0d9e4e57d9646857aace6bf7a32839a06d
SHA512

3ea33cb10456ed1fb51e2de8865bb9f1590e35609a5429567912a6bb8c14f92cef43c896364d7c8d57b730a07c9907d26f904bddc291fb9f21d2dd37c966aca0

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot1942126187:AAHTp_xwikgZPaBllt0RgKh12M4rEkaLb_o/sendDocument

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Turns off Windows Defender SpyNet reporting 2 TTPs
evasion

Disabling Security Tools
T1089

Modify Registry
T1112
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3568-127-0x00000000072E0000-0x0000000007316000-memory.dmp	family_agenttesla

Nirsoft 3 IoCs

Processes:

resource	yara_rule
C:\Users\Admin\AppData\Local\Temp\93db092f-f83a-4b49-bf57-cf1f7fa6af2f\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\93db092f-f83a-4b49-bf57-cf1f7fa6af2f\AdvancedRun.exe	Nirsoft
C:\Users\Admin\AppData\Local\Temp\93db092f-f83a-4b49-bf57-cf1f7fa6af2f\AdvancedRun.exe	Nirsoft

Executes dropped EXE 2 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exe

pid process

4216 AdvancedRun.exe
4400 AdvancedRun.exe
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
T1081
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
T1081
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
T1081

Windows security modification 2 TTPs 10 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

Proforma invoice INV8.pdf.exe

description	ioc	process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	Proforma invoice INV8.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet	Proforma invoice INV8.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet\SubmitSamplesConsent = "0"	Proforma invoice INV8.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features	Proforma invoice INV8.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	Proforma invoice INV8.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions	Proforma invoice INV8.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\Proforma invoice INV8.pdf.exe = "0"	Proforma invoice INV8.pdf.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Spynet\SpyNetReporting = "0"	Proforma invoice INV8.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Exclusions\Paths	Proforma invoice INV8.pdf.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows Defender\Real-Time Protection	Proforma invoice INV8.pdf.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Proforma invoice INV8.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma invoice INV8.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma invoice INV8.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma invoice INV8.pdf.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 13 IoCs

Processes:

AdvancedRun.exeAdvancedRun.exeProforma invoice INV8.pdf.exepowershell.exe

pid	process
4216	AdvancedRun.exe
4216	AdvancedRun.exe
4216	AdvancedRun.exe
4216	AdvancedRun.exe
4400	AdvancedRun.exe
4400	AdvancedRun.exe
4400	AdvancedRun.exe
4400	AdvancedRun.exe
3568	Proforma invoice INV8.pdf.exe
3568	Proforma invoice INV8.pdf.exe
3144	powershell.exe
3144	powershell.exe
3144	powershell.exe

Suspicious use of AdjustPrivilegeToken 6 IoCs

Processes:

Proforma invoice INV8.pdf.exeAdvancedRun.exeAdvancedRun.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3568	Proforma invoice INV8.pdf.exe
Token: SeDebugPrivilege	4216	AdvancedRun.exe
Token: SeImpersonatePrivilege	4216	AdvancedRun.exe
Token: SeDebugPrivilege	4400	AdvancedRun.exe
Token: SeImpersonatePrivilege	4400	AdvancedRun.exe
Token: SeDebugPrivilege	3144	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Proforma invoice INV8.pdf.exeAdvancedRun.exe

description	pid	process	target process
PID 3568 wrote to memory of 4216	3568	Proforma invoice INV8.pdf.exe	AdvancedRun.exe
PID 3568 wrote to memory of 4216	3568	Proforma invoice INV8.pdf.exe	AdvancedRun.exe
PID 3568 wrote to memory of 4216	3568	Proforma invoice INV8.pdf.exe	AdvancedRun.exe
PID 4216 wrote to memory of 4400	4216	AdvancedRun.exe	AdvancedRun.exe
PID 4216 wrote to memory of 4400	4216	AdvancedRun.exe	AdvancedRun.exe
PID 4216 wrote to memory of 4400	4216	AdvancedRun.exe	AdvancedRun.exe
PID 3568 wrote to memory of 3144	3568	Proforma invoice INV8.pdf.exe	powershell.exe
PID 3568 wrote to memory of 3144	3568	Proforma invoice INV8.pdf.exe	powershell.exe
PID 3568 wrote to memory of 3144	3568	Proforma invoice INV8.pdf.exe	powershell.exe

outlook_office_path 1 IoCs

Processes:

Proforma invoice INV8.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma invoice INV8.pdf.exe

outlook_win_path 1 IoCs

Processes:

Proforma invoice INV8.pdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Proforma invoice INV8.pdf.exe

C:\Users\Admin\AppData\Local\Temp\Proforma invoice INV8.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\Proforma invoice INV8.pdf.exe"
1⤵
- Windows security modification
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:3568

C:\Users\Admin\AppData\Local\Temp\93db092f-f83a-4b49-bf57-cf1f7fa6af2f\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\93db092f-f83a-4b49-bf57-cf1f7fa6af2f\AdvancedRun.exe" /EXEFilename "C:\Users\Admin\AppData\Local\Temp\93db092f-f83a-4b49-bf57-cf1f7fa6af2f\test.bat" /WindowState ""0"" /PriorityClass ""32"" /CommandLine "" /StartDirectory "" /RunAs 8 /Run
2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4216

C:\Users\Admin\AppData\Local\Temp\93db092f-f83a-4b49-bf57-cf1f7fa6af2f\AdvancedRun.exe
"C:\Users\Admin\AppData\Local\Temp\93db092f-f83a-4b49-bf57-cf1f7fa6af2f\AdvancedRun.exe" /SpecialRun 4101d8 4216
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4400

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\Proforma invoice INV8.pdf.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3144

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Disabling Security Tools

3

T1089

Modify Registry

3

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\93db092f-f83a-4b49-bf57-cf1f7fa6af2f\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\93db092f-f83a-4b49-bf57-cf1f7fa6af2f\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
C:\Users\Admin\AppData\Local\Temp\93db092f-f83a-4b49-bf57-cf1f7fa6af2f\AdvancedRun.exe
MD5
17fc12902f4769af3a9271eb4e2dacce

SHA1
9a4a1581cc3971579574f837e110f3bd6d529dab

SHA256
29ae7b30ed8394c509c561f6117ea671ec412da50d435099756bbb257fafb10b

SHA512
036e0d62490c26dee27ef54e514302e1cc8a14de8ce3b9703bf7caf79cfae237e442c27a0edcf2c4fd41af4195ba9ed7e32e894767ce04467e79110e89522e4a

Download Submit
memory/3144-133-0x00000000072E2000-0x00000000072E3000-memory.dmp

Filesize
4KB

Download
memory/3144-130-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/3144-134-0x0000000007780000-0x0000000007781000-memory.dmp

Filesize
4KB

Download
memory/3144-132-0x00000000072E0000-0x00000000072E1000-memory.dmp

Filesize
4KB

Download
memory/3144-169-0x00000000072E3000-0x00000000072E4000-memory.dmp

Filesize
4KB

Download
memory/3144-167-0x000000007E4D0000-0x000000007E4D1000-memory.dmp

Filesize
4KB

Download
memory/3144-161-0x0000000009AE0000-0x0000000009AE1000-memory.dmp

Filesize
4KB

Download
memory/3144-126-0x0000000000000000-mapping.dmp

Download
memory/3144-160-0x0000000009920000-0x0000000009921000-memory.dmp

Filesize
4KB

Download
memory/3144-128-0x0000000003400000-0x0000000003401000-memory.dmp

Filesize
4KB

Download
memory/3144-129-0x0000000003400000-0x0000000003401000-memory.dmp

Filesize
4KB

Download
memory/3144-140-0x0000000008820000-0x0000000008821000-memory.dmp

Filesize
4KB

Download
memory/3144-131-0x0000000007920000-0x0000000007921000-memory.dmp

Filesize
4KB

Download
memory/3144-155-0x00000000095B0000-0x00000000095B1000-memory.dmp

Filesize
4KB

Download
memory/3144-148-0x00000000097D0000-0x0000000009803000-memory.dmp

Filesize
204KB

Download
memory/3144-141-0x0000000003400000-0x0000000003401000-memory.dmp

Filesize
4KB

Download
memory/3144-135-0x00000000080A0000-0x00000000080A1000-memory.dmp

Filesize
4KB

Download
memory/3144-136-0x0000000008110000-0x0000000008111000-memory.dmp

Filesize
4KB

Download
memory/3144-137-0x00000000081B0000-0x00000000081B1000-memory.dmp

Filesize
4KB

Download
memory/3144-138-0x0000000008180000-0x0000000008181000-memory.dmp

Filesize
4KB

Download
memory/3144-139-0x0000000008A90000-0x0000000008A91000-memory.dmp

Filesize
4KB

Download
memory/3568-127-0x00000000072E0000-0x0000000007316000-memory.dmp

Filesize
216KB

Download
memory/3568-381-0x0000000005701000-0x0000000005702000-memory.dmp

Filesize
4KB

Download
memory/3568-115-0x0000000000E10000-0x0000000000E11000-memory.dmp

Filesize
4KB

Download
memory/3568-120-0x00000000077A0000-0x00000000077A1000-memory.dmp

Filesize
4KB

Download
memory/3568-117-0x0000000007200000-0x0000000007201000-memory.dmp

Filesize
4KB

Download
memory/3568-118-0x0000000005700000-0x0000000005701000-memory.dmp

Filesize
4KB

Download
memory/3568-119-0x0000000001740000-0x00000000017C1000-memory.dmp

Filesize
516KB

Download
memory/4216-121-0x0000000000000000-mapping.dmp

Download
memory/4400-124-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads