agenttesla | 7955200ffc3c887f2f0c65bb4b022bd910d6be472e44bdeab4285231b074eb3d

General

Target

gwOALTMShW0g0JN.exe
Size

713KB
MD5

707621bacd32d4ab21b17157216d3032
SHA1

2318a47d090ab212c924814da86488130f7d8b2c
SHA256

29286d65248d0005ca9c13110d5563b892150291ff16086b29938050a746251f
SHA512

5dabd58015ea9534e35a43114eb145c4b73e0c2f778ac8b5f0d150e2b58961b49f104b8cca4e07d1ad434ee7903fd987a9b80d72b6b738640629d11d19dcc5d6
SSDEEP

12288:YFhvyUi0gu1EMwvhsyhpK8t4BU+fyuZuwkp8sL3cr13q:YLqUigEMEey604hzkp8UcrA

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.polastarline.com
Port:
587
Username:
[email protected]
Password:
donblack12345

Signatures

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

AgentTesla payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/2852-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2852-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2852-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2852-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2852-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

gwOALTMShW0g0JN.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions gwOALTMShW0g0JN.exe
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

gwOALTMShW0g0JN.exe

description ioc process

Key opened \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools gwOALTMShW0g0JN.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	gwOALTMShW0g0JN.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	gwOALTMShW0g0JN.exe

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:

gwOALTMShW0g0JN.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	gwOALTMShW0g0JN.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	gwOALTMShW0g0JN.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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

gwOALTMShW0g0JN.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	gwOALTMShW0g0JN.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	gwOALTMShW0g0JN.exe
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	gwOALTMShW0g0JN.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:

gwOALTMShW0g0JN.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	gwOALTMShW0g0JN.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	gwOALTMShW0g0JN.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

gwOALTMShW0g0JN.exe

description pid process target process

PID 1440 set thread context of 2852 1440 gwOALTMShW0g0JN.exe gwOALTMShW0g0JN.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

gwOALTMShW0g0JN.exegwOALTMShW0g0JN.exepowershell.exe

pid process

1440 gwOALTMShW0g0JN.exe
2852 gwOALTMShW0g0JN.exe
2852 gwOALTMShW0g0JN.exe
2560 powershell.exe

description	pid	process	target process
PID 1440 set thread context of 2852	1440	gwOALTMShW0g0JN.exe	gwOALTMShW0g0JN.exe

pid	process
1440	gwOALTMShW0g0JN.exe
2852	gwOALTMShW0g0JN.exe
2852	gwOALTMShW0g0JN.exe
2560	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

gwOALTMShW0g0JN.exegwOALTMShW0g0JN.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	1440	gwOALTMShW0g0JN.exe
Token: SeDebugPrivilege	2852	gwOALTMShW0g0JN.exe
Token: SeDebugPrivilege	2560	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

gwOALTMShW0g0JN.exe

description	pid	process	target process
PID 1440 wrote to memory of 2560	1440	gwOALTMShW0g0JN.exe	powershell.exe
PID 1440 wrote to memory of 2560	1440	gwOALTMShW0g0JN.exe	powershell.exe
PID 1440 wrote to memory of 2560	1440	gwOALTMShW0g0JN.exe	powershell.exe
PID 1440 wrote to memory of 2560	1440	gwOALTMShW0g0JN.exe	powershell.exe
PID 1440 wrote to memory of 2852	1440	gwOALTMShW0g0JN.exe	gwOALTMShW0g0JN.exe
PID 1440 wrote to memory of 2852	1440	gwOALTMShW0g0JN.exe	gwOALTMShW0g0JN.exe
PID 1440 wrote to memory of 2852	1440	gwOALTMShW0g0JN.exe	gwOALTMShW0g0JN.exe
PID 1440 wrote to memory of 2852	1440	gwOALTMShW0g0JN.exe	gwOALTMShW0g0JN.exe
PID 1440 wrote to memory of 2852	1440	gwOALTMShW0g0JN.exe	gwOALTMShW0g0JN.exe
PID 1440 wrote to memory of 2852	1440	gwOALTMShW0g0JN.exe	gwOALTMShW0g0JN.exe
PID 1440 wrote to memory of 2852	1440	gwOALTMShW0g0JN.exe	gwOALTMShW0g0JN.exe
PID 1440 wrote to memory of 2852	1440	gwOALTMShW0g0JN.exe	gwOALTMShW0g0JN.exe
PID 1440 wrote to memory of 2852	1440	gwOALTMShW0g0JN.exe	gwOALTMShW0g0JN.exe

outlook_office_path 1 IoCs

Processes:

gwOALTMShW0g0JN.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	gwOALTMShW0g0JN.exe

outlook_win_path 1 IoCs

Processes:

gwOALTMShW0g0JN.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	gwOALTMShW0g0JN.exe

C:\Users\Admin\AppData\Local\Temp\gwOALTMShW0g0JN.exe
"C:\Users\Admin\AppData\Local\Temp\gwOALTMShW0g0JN.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1440

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\gwOALTMShW0g0JN.exe"
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2560

C:\Users\Admin\AppData\Local\Temp\gwOALTMShW0g0JN.exe
"C:\Users\Admin\AppData\Local\Temp\gwOALTMShW0g0JN.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2852

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Query Registry

4

T1012

Virtualization/Sandbox Evasion

2

T1497

System Information Discovery

3

T1082

Peripheral Device Discovery

1

T1120

Lateral Movement

Collection

Data from Local System

4

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/1440-6-0x00000000050A0000-0x0000000005112000-memory.dmp

Filesize
456KB

Download
memory/1440-23-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/1440-2-0x0000000004CA0000-0x0000000004CE0000-memory.dmp

Filesize
256KB

Download
memory/1440-3-0x00000000004F0000-0x0000000000508000-memory.dmp

Filesize
96KB

Download
memory/1440-4-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/1440-5-0x0000000004CA0000-0x0000000004CE0000-memory.dmp

Filesize
256KB

Download
memory/1440-1-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/1440-7-0x0000000004CA0000-0x0000000004CE0000-memory.dmp

Filesize
256KB

Download
memory/1440-0-0x0000000000330000-0x00000000003E8000-memory.dmp

Filesize
736KB

Download
memory/2560-27-0x0000000002340000-0x0000000002380000-memory.dmp

Filesize
256KB

Download
memory/2560-30-0x000000006ECD0000-0x000000006F27B000-memory.dmp

Filesize
5.7MB

Download
memory/2560-25-0x000000006ECD0000-0x000000006F27B000-memory.dmp

Filesize
5.7MB

Download
memory/2560-28-0x0000000002340000-0x0000000002380000-memory.dmp

Filesize
256KB

Download
memory/2560-24-0x000000006ECD0000-0x000000006F27B000-memory.dmp

Filesize
5.7MB

Download
memory/2852-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2852-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-26-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-29-0x0000000004840000-0x0000000004880000-memory.dmp

Filesize
256KB

Download
memory/2852-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2852-31-0x0000000074050000-0x000000007473E000-memory.dmp

Filesize
6.9MB

Download
memory/2852-32-0x0000000004840000-0x0000000004880000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads