agenttesla | d023f38276b0d20d01d15694d7142be0bf2fe695f9f7732309507c357971bb4b

General

Target

Account details.exe
Size

437KB
MD5

955efa9466251ae65e277e9cd6650433
SHA1

ec1890b973fd390ab0cacb9e6ab1979acfe738ca
SHA256

147408894fd77da6a8669e752089f4cc98286b9399b177b07fa8922d20a47874
SHA512

a9942f584f4a7192c0857c03fce03b4d80b4c13abbcce4ed1c44650fa7e00bee4627e833c524ad04ee7cd9fe5976e16288181f2bf5ba01cb8952004a5ce0e813

Score

10^/10

agenttesla collection evasion keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.mhlogg.com
Port:
587
Username:
[email protected]
Password:
#m@f%Il2

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4440-133-0x0000000000400000-0x000000000044C000-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:

Account details.exe

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

Account details.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Account details.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Account details.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Account details.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:

Account details.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	Account details.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	Account details.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Account details.exe

description pid process target process

PID 2736 set thread context of 4440 2736 Account details.exe Account details.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

Account details.exeAccount details.exe

pid process

2736 Account details.exe
2736 Account details.exe
4440 Account details.exe
4440 Account details.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

Account details.exeAccount details.exe

description pid process

Token: SeDebugPrivilege 2736 Account details.exe
Token: SeDebugPrivilege 4440 Account details.exe

description	pid	process	target process
PID 2736 set thread context of 4440	2736	Account details.exe	Account details.exe

pid	process
2736	Account details.exe
2736	Account details.exe
4440	Account details.exe
4440	Account details.exe

description	pid	process
Token: SeDebugPrivilege	2736	Account details.exe
Token: SeDebugPrivilege	4440	Account details.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

Account details.exe

description	pid	process	target process
PID 2736 wrote to memory of 2344	2736	Account details.exe	Account details.exe
PID 2736 wrote to memory of 2344	2736	Account details.exe	Account details.exe
PID 2736 wrote to memory of 2344	2736	Account details.exe	Account details.exe
PID 2736 wrote to memory of 4440	2736	Account details.exe	Account details.exe
PID 2736 wrote to memory of 4440	2736	Account details.exe	Account details.exe
PID 2736 wrote to memory of 4440	2736	Account details.exe	Account details.exe
PID 2736 wrote to memory of 4440	2736	Account details.exe	Account details.exe
PID 2736 wrote to memory of 4440	2736	Account details.exe	Account details.exe
PID 2736 wrote to memory of 4440	2736	Account details.exe	Account details.exe
PID 2736 wrote to memory of 4440	2736	Account details.exe	Account details.exe
PID 2736 wrote to memory of 4440	2736	Account details.exe	Account details.exe

outlook_office_path 1 IoCs

Processes:

Account details.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Account details.exe

outlook_win_path 1 IoCs

Processes:

Account details.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Account details.exe

C:\Users\Admin\AppData\Local\Temp\Account details.exe
"C:\Users\Admin\AppData\Local\Temp\Account details.exe"
1⤵
- 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:2736

C:\Users\Admin\AppData\Local\Temp\Account details.exe
"{path}"
2⤵
PID:2344

C:\Users\Admin\AppData\Local\Temp\Account details.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:4440

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2

T1497

Credential Access

Credentials in Files

3

T1081

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

Virtualization/Sandbox Evasion

2

T1497

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\Account details.exe.log

Filesize
588B

MD5
49461f799113a05a28d6b992090c22ce

SHA1
4049a26ca32ff9ed84fd748b75b36b73e17510ce

SHA256
efa0ab0bd196baf69522d0e11a8bb384a1f0e1806590db7b6ed34abcf6faf5c3

SHA512
dffd0fc9f13c5821f9a55bbfb0e1cb980b29903228805fda0331de68ef1ecfa7e716ebcb50c1a2429e5373f6c9e31977472e04769adf9feac8c7fe10f1814bc5

Download Submit
memory/2344-131-0x0000000000000000-mapping.dmp

Download
memory/2736-130-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download
memory/4440-132-0x0000000000000000-mapping.dmp

Download
memory/4440-133-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4440-135-0x0000000075540000-0x0000000075AF1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads