agenttesla | f1ff478a7d34676393c480932ec4c3b17c790d1bb1ea719d21b55efce7042677

General

Target

Inquiry162020.exe
Size

561KB
MD5

545f0d6c85e724cdf181bbb695d6adb1
SHA1

d2593a8ab114593c16b77914acddd9d917fb58a1
SHA256

b6e27dd859c2b932284d6a65629a1df3f262ba01b11c56281935dcf6beecdf8f
SHA512

2b896a6b3f09148a5b912d5a4e2cf0014ddd52abc3ba38f67ca79bfc53f440802b45542cc9b4cabedd5c8e0cea9f413c0a368f98fc04adf4ad7af456cb6dceee

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
anyanwu3116

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/932-60-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/932-61-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/932-62-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/932-63-0x0000000000446EFE-mapping.dmp	family_agenttesla
behavioral1/memory/932-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/932-67-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

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:

Inquiry162020.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	Inquiry162020.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquiry162020.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Inquiry162020.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Inquiry162020.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows\CurrentVersion\Run\YYtJku = "C:\\Users\\Admin\\AppData\\Roaming\\YYtJku\\YYtJku.exe"	Inquiry162020.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Inquiry162020.exe

description pid process target process

PID 532 set thread context of 932 532 Inquiry162020.exe Inquiry162020.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Inquiry162020.exe

pid process

932 Inquiry162020.exe
932 Inquiry162020.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

Inquiry162020.exe

pid process

932 Inquiry162020.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Inquiry162020.exe

description pid process

Token: SeDebugPrivilege 932 Inquiry162020.exe

description	pid	process	target process
PID 532 set thread context of 932	532	Inquiry162020.exe	Inquiry162020.exe

pid	process
932	Inquiry162020.exe
932	Inquiry162020.exe

pid	process
932	Inquiry162020.exe

description	pid	process
Token: SeDebugPrivilege	932	Inquiry162020.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Inquiry162020.exe

description	pid	process	target process
PID 532 wrote to memory of 932	532	Inquiry162020.exe	Inquiry162020.exe
PID 532 wrote to memory of 932	532	Inquiry162020.exe	Inquiry162020.exe
PID 532 wrote to memory of 932	532	Inquiry162020.exe	Inquiry162020.exe
PID 532 wrote to memory of 932	532	Inquiry162020.exe	Inquiry162020.exe
PID 532 wrote to memory of 932	532	Inquiry162020.exe	Inquiry162020.exe
PID 532 wrote to memory of 932	532	Inquiry162020.exe	Inquiry162020.exe
PID 532 wrote to memory of 932	532	Inquiry162020.exe	Inquiry162020.exe
PID 532 wrote to memory of 932	532	Inquiry162020.exe	Inquiry162020.exe
PID 532 wrote to memory of 932	532	Inquiry162020.exe	Inquiry162020.exe

outlook_office_path 1 IoCs

Processes:

Inquiry162020.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	Inquiry162020.exe

outlook_win_path 1 IoCs

Processes:

Inquiry162020.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	Inquiry162020.exe

C:\Users\Admin\AppData\Local\Temp\Inquiry162020.exe
"C:\Users\Admin\AppData\Local\Temp\Inquiry162020.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:532

C:\Users\Admin\AppData\Local\Temp\Inquiry162020.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:932

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/532-54-0x0000000000EC0000-0x0000000000F52000-memory.dmp

Filesize
584KB

Download
memory/532-55-0x0000000000500000-0x000000000050A000-memory.dmp

Filesize
40KB

Download
memory/532-56-0x0000000000E60000-0x0000000000EB4000-memory.dmp

Filesize
336KB

Download
memory/932-57-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/932-58-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/932-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/932-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/932-62-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/932-63-0x0000000000446EFE-mapping.dmp

Download
memory/932-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/932-67-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/932-68-0x0000000075701000-0x0000000075703000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads