agenttesla | dfc74d9eccf3dc6506a71537b5213d7cff4403dd348d2647b96b7e99732e8b4f

General

Target

Invoice.exe
Size

968KB
MD5

5d594789c434b468372bc5d531d5e036
SHA1

3b0c36366b058579956ea7d9084cff568808703f
SHA256

9c645de660221979f2b85b37abcdbed2feca19827f33442138fd92d05e2b2d15
SHA512

a20eaf9e7bcef2e72fe32a4fcfcab68de775dec530a6f64114412ae7c5f8fde7ecc2875185d9cddae7e2bc5871d3f76496a39900994e80df5fb44eabe91199aa

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.lallyautomobiles.net
Port:
587
Username:
[email protected]
Password:
Welcome@2021

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1596-68-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral1/memory/1596-67-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1596-69-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

Invoice.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts Invoice.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

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	Invoice.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Invoice.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\kprUEGC = "C:\\Users\\Admin\\AppData\\Roaming\\kprUEGC\\kprUEGC.exe"	Invoice.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

Invoice.exe

description pid process target process

PID 308 set thread context of 1596 308 Invoice.exe Invoice.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

Invoice.exe

pid process

1596 Invoice.exe
1596 Invoice.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Invoice.exe

description pid process

Token: SeDebugPrivilege 1596 Invoice.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Invoice.exe

pid process

1596 Invoice.exe

description	pid	process	target process
PID 308 set thread context of 1596	308	Invoice.exe	Invoice.exe

pid	process
1596	Invoice.exe
1596	Invoice.exe

description	pid	process
Token: SeDebugPrivilege	1596	Invoice.exe

pid	process
1596	Invoice.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

Invoice.exe

description	pid	process	target process
PID 308 wrote to memory of 1596	308	Invoice.exe	Invoice.exe
PID 308 wrote to memory of 1596	308	Invoice.exe	Invoice.exe
PID 308 wrote to memory of 1596	308	Invoice.exe	Invoice.exe
PID 308 wrote to memory of 1596	308	Invoice.exe	Invoice.exe
PID 308 wrote to memory of 1596	308	Invoice.exe	Invoice.exe
PID 308 wrote to memory of 1596	308	Invoice.exe	Invoice.exe
PID 308 wrote to memory of 1596	308	Invoice.exe	Invoice.exe
PID 308 wrote to memory of 1596	308	Invoice.exe	Invoice.exe
PID 308 wrote to memory of 1596	308	Invoice.exe	Invoice.exe

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Invoice.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:308

C:\Users\Admin\AppData\Local\Temp\Invoice.exe
"{path}"
2⤵
- Drops file in Drivers directory
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1596

MITRE ATT&CK Matrix ATT&CK 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

3

T1005

Exfiltration

Command and Control

Impact

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Downloads

memory/308-60-0x0000000000F10000-0x0000000000F11000-memory.dmp

Filesize
4KB

Download
memory/308-62-0x0000000004E60000-0x0000000004E61000-memory.dmp

Filesize
4KB

Download
memory/308-63-0x0000000000640000-0x0000000000645000-memory.dmp

Filesize
20KB

Download
memory/308-64-0x000000007EF40000-0x000000007EF41000-memory.dmp

Filesize
4KB

Download
memory/308-65-0x0000000005980000-0x0000000005A43000-memory.dmp

Filesize
780KB

Download
memory/308-66-0x00000000004F0000-0x000000000056E000-memory.dmp

Filesize
504KB

Download
memory/1596-68-0x000000000043762E-mapping.dmp

Download
memory/1596-67-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1596-69-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1596-71-0x0000000004CE0000-0x0000000004CE1000-memory.dmp

Filesize
4KB

Download
memory/1596-72-0x0000000004CE1000-0x0000000004CE2000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads