agenttesla | a00115f4a9e20f6f982db8332779ccd02a8dbf9bb1db45e54a21d374b24cf3b4

General

Target

Statement of Account.exe
Size

441KB
MD5

3ee58a720e88f477d6f817c44aa7c47b
SHA1

9b68c4d21b544c3fa4fcfa6f469480a70fe8a947
SHA256

9a813db555b2a251a1068f50b1b02d642bb570337058f7f3a7028cafccbe1f54
SHA512

535c2869714cd970160dfe85f23735979dec4e08244e3e73e954bd6a7d902ae578046533be9f34a8e9e174232b9a640b2a327305e52a91cbd2da96080d1047ab

Score

10^/10

agenttesla collection evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.haden-tours.com
Port:
587
Username:
[email protected]
Password:
In-159753

Signatures

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

AgentTesla Payload 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2036-59-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2036-60-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2036-61-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2036-62-0x00000000004485FE-mapping.dmp	family_agenttesla
behavioral1/memory/2036-64-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/2036-66-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

Statement of Account.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Statement of Account.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Statement of Account.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

Statement of Account.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Statement of Account.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Statement of Account.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Statement of Account.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Statement of Account.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\RYJPdkPm = "C:\\Users\\Admin\\AppData\\Roaming\\jWrEmLS\\BkqJc.exe"	Statement of Account.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

Statement of Account.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Statement of Account.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Statement of Account.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Statement of Account.exe

description pid process target process

PID 632 set thread context of 2036 632 Statement of Account.exe Statement of Account.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Statement of Account.exe

pid process

2036 Statement of Account.exe
2036 Statement of Account.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Statement of Account.exe

description pid process

Token: SeDebugPrivilege 2036 Statement of Account.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Statement of Account.exe

pid process

2036 Statement of Account.exe

description	pid	process	target process
PID 632 set thread context of 2036	632	Statement of Account.exe	Statement of Account.exe

pid	process
2036	Statement of Account.exe
2036	Statement of Account.exe

description	pid	process
Token: SeDebugPrivilege	2036	Statement of Account.exe

pid	process
2036	Statement of Account.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Statement of Account.exe

description	pid	process	target process
PID 632 wrote to memory of 2036	632	Statement of Account.exe	Statement of Account.exe
PID 632 wrote to memory of 2036	632	Statement of Account.exe	Statement of Account.exe
PID 632 wrote to memory of 2036	632	Statement of Account.exe	Statement of Account.exe
PID 632 wrote to memory of 2036	632	Statement of Account.exe	Statement of Account.exe
PID 632 wrote to memory of 2036	632	Statement of Account.exe	Statement of Account.exe
PID 632 wrote to memory of 2036	632	Statement of Account.exe	Statement of Account.exe
PID 632 wrote to memory of 2036	632	Statement of Account.exe	Statement of Account.exe
PID 632 wrote to memory of 2036	632	Statement of Account.exe	Statement of Account.exe
PID 632 wrote to memory of 2036	632	Statement of Account.exe	Statement of Account.exe

outlook_office_path 1 IoCs

Processes:

Statement of Account.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Statement of Account.exe

outlook_win_path 1 IoCs

Processes:

Statement of Account.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Statement of Account.exe

C:\Users\Admin\AppData\Local\Temp\Statement of Account.exe
"C:\Users\Admin\AppData\Local\Temp\Statement of Account.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:632

C:\Users\Admin\AppData\Local\Temp\Statement of Account.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:2036

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

2

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/632-54-0x0000000075391000-0x0000000075393000-memory.dmp

Filesize
8KB

Download
memory/632-55-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-56-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2036-57-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2036-59-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2036-60-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2036-61-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2036-62-0x00000000004485FE-mapping.dmp

Download
memory/2036-64-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2036-66-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2036-68-0x0000000074AD0000-0x000000007507B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads