agenttesla | 7ce5a8071d7c45dc7572fa4d7334d4d4bca1141adca67e3ce2418ffb66f03d44

General

Target

swift_copy3454.exe
Size

630KB
MD5

4c657846ed40a1667371a91c1d687738
SHA1

2c4f2e14d341d08ccb1e463398eca58d4a099c6d
SHA256

75c29457b31b7fe65d41954b49ab9a57120fe096d923332237e8dd5a43e70164
SHA512

695146c5282d1ed8af299bcc9dd0ddc2642e579c87ede549fc50931c6086105e54db3d809980d98cecb40033116fb6039c68aa57eec11845026abf8f1c2129fa

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.privateemail.com
Port:
587
Username:
[email protected]
Password:
killdemall007

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/960-59-0x0000000000400000-0x000000000046E000-memory.dmp	family_agenttesla
behavioral1/memory/960-60-0x0000000000400000-0x000000000046E000-memory.dmp	family_agenttesla
behavioral1/memory/960-61-0x0000000000400000-0x000000000046E000-memory.dmp	family_agenttesla
behavioral1/memory/960-62-0x000000000046861E-mapping.dmp	family_agenttesla
behavioral1/memory/960-64-0x0000000000400000-0x000000000046E000-memory.dmp	family_agenttesla
behavioral1/memory/960-66-0x0000000000400000-0x000000000046E000-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:

swift_copy3454.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	swift_copy3454.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	swift_copy3454.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:

swift_copy3454.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	swift_copy3454.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	swift_copy3454.exe
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	swift_copy3454.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:

swift_copy3454.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	swift_copy3454.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	swift_copy3454.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

swift_copy3454.exe

description pid process target process

PID 1936 set thread context of 960 1936 swift_copy3454.exe swift_copy3454.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

swift_copy3454.exe

pid process

960 swift_copy3454.exe
960 swift_copy3454.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

swift_copy3454.exe

pid process

960 swift_copy3454.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

swift_copy3454.exe

description pid process

Token: SeDebugPrivilege 960 swift_copy3454.exe

description	pid	process	target process
PID 1936 set thread context of 960	1936	swift_copy3454.exe	swift_copy3454.exe

pid	process
960	swift_copy3454.exe
960	swift_copy3454.exe

pid	process
960	swift_copy3454.exe

description	pid	process
Token: SeDebugPrivilege	960	swift_copy3454.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

swift_copy3454.exeswift_copy3454.exe

description	pid	process	target process
PID 1936 wrote to memory of 960	1936	swift_copy3454.exe	swift_copy3454.exe
PID 1936 wrote to memory of 960	1936	swift_copy3454.exe	swift_copy3454.exe
PID 1936 wrote to memory of 960	1936	swift_copy3454.exe	swift_copy3454.exe
PID 1936 wrote to memory of 960	1936	swift_copy3454.exe	swift_copy3454.exe
PID 1936 wrote to memory of 960	1936	swift_copy3454.exe	swift_copy3454.exe
PID 1936 wrote to memory of 960	1936	swift_copy3454.exe	swift_copy3454.exe
PID 1936 wrote to memory of 960	1936	swift_copy3454.exe	swift_copy3454.exe
PID 1936 wrote to memory of 960	1936	swift_copy3454.exe	swift_copy3454.exe
PID 1936 wrote to memory of 960	1936	swift_copy3454.exe	swift_copy3454.exe
PID 960 wrote to memory of 1228	960	swift_copy3454.exe	dw20.exe
PID 960 wrote to memory of 1228	960	swift_copy3454.exe	dw20.exe
PID 960 wrote to memory of 1228	960	swift_copy3454.exe	dw20.exe
PID 960 wrote to memory of 1228	960	swift_copy3454.exe	dw20.exe

outlook_office_path 1 IoCs

Processes:

swift_copy3454.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	swift_copy3454.exe

outlook_win_path 1 IoCs

Processes:

swift_copy3454.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	swift_copy3454.exe

C:\Users\Admin\AppData\Local\Temp\swift_copy3454.exe
"C:\Users\Admin\AppData\Local\Temp\swift_copy3454.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1936

C:\Users\Admin\AppData\Local\Temp\swift_copy3454.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:960

C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
dw20.exe -x -s 988
3⤵
PID:1228

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

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/960-56-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/960-57-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/960-59-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/960-60-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/960-61-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/960-62-0x000000000046861E-mapping.dmp

Download
memory/960-64-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/960-66-0x0000000000400000-0x000000000046E000-memory.dmp

Filesize
440KB

Download
memory/960-68-0x00000000744E0000-0x0000000074A8B000-memory.dmp

Filesize
5.7MB

Download
memory/1228-69-0x0000000000000000-mapping.dmp

Download
memory/1936-54-0x0000000074DD1000-0x0000000074DD3000-memory.dmp

Filesize
8KB

Download
memory/1936-55-0x00000000744E0000-0x0000000074A8B000-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