agenttesla | 587de2149d6418990852b59fdb044911f6dd33f60bc6392fb2e93c8538b91453

General

Target

New PO.pdf.'.exe
Size

829KB
MD5

ea2f6afd43fe464c3b90f05762def390
SHA1

cf20ecb582c6c6385860bc7a76a866a3f28c06aa
SHA256

587de2149d6418990852b59fdb044911f6dd33f60bc6392fb2e93c8538b91453
SHA512

409241a1f4e7f284055751881534a932eb23d27edd0779ee78b90b9cc666925a927a3851a37feca63773b1c72f0b1945e9dfc7259b9931066e4de8f1ecdccc60

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/752-66-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/752-67-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral1/memory/752-68-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

New PO.pdf.'.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts New PO.pdf.'.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	New PO.pdf.'.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

New PO.pdf.'.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"	New PO.pdf.'.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

New PO.pdf.'.exe

description pid process target process

PID 1084 set thread context of 752 1084 New PO.pdf.'.exe New PO.pdf.'.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

New PO.pdf.'.exe

pid process

752 New PO.pdf.'.exe
752 New PO.pdf.'.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

New PO.pdf.'.exe

description pid process

Token: SeDebugPrivilege 752 New PO.pdf.'.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

New PO.pdf.'.exe

pid process

752 New PO.pdf.'.exe

description	pid	process	target process
PID 1084 set thread context of 752	1084	New PO.pdf.'.exe	New PO.pdf.'.exe

pid	process
752	New PO.pdf.'.exe
752	New PO.pdf.'.exe

description	pid	process
Token: SeDebugPrivilege	752	New PO.pdf.'.exe

pid	process
752	New PO.pdf.'.exe

Suspicious use of WriteProcessMemory 9 IoCs

Processes:

New PO.pdf.'.exe

description	pid	process	target process
PID 1084 wrote to memory of 752	1084	New PO.pdf.'.exe	New PO.pdf.'.exe
PID 1084 wrote to memory of 752	1084	New PO.pdf.'.exe	New PO.pdf.'.exe
PID 1084 wrote to memory of 752	1084	New PO.pdf.'.exe	New PO.pdf.'.exe
PID 1084 wrote to memory of 752	1084	New PO.pdf.'.exe	New PO.pdf.'.exe
PID 1084 wrote to memory of 752	1084	New PO.pdf.'.exe	New PO.pdf.'.exe
PID 1084 wrote to memory of 752	1084	New PO.pdf.'.exe	New PO.pdf.'.exe
PID 1084 wrote to memory of 752	1084	New PO.pdf.'.exe	New PO.pdf.'.exe
PID 1084 wrote to memory of 752	1084	New PO.pdf.'.exe	New PO.pdf.'.exe
PID 1084 wrote to memory of 752	1084	New PO.pdf.'.exe	New PO.pdf.'.exe

C:\Users\Admin\AppData\Local\Temp\New PO.pdf.'.exe
"C:\Users\Admin\AppData\Local\Temp\New PO.pdf.'.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1084

C:\Users\Admin\AppData\Local\Temp\New PO.pdf.'.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:752

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

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/752-66-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/752-67-0x000000000043762E-mapping.dmp

Download
memory/752-68-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/752-70-0x00000000047A0000-0x00000000047A1000-memory.dmp

Filesize
4KB

Download
memory/752-71-0x00000000047A1000-0x00000000047A2000-memory.dmp

Filesize
4KB

Download
memory/1084-59-0x0000000000A00000-0x0000000000A01000-memory.dmp

Filesize
4KB

Download
memory/1084-61-0x00000000020E0000-0x0000000002156000-memory.dmp

Filesize
472KB

Download
memory/1084-62-0x0000000004B20000-0x0000000004B21000-memory.dmp

Filesize
4KB

Download
memory/1084-63-0x0000000000380000-0x0000000000385000-memory.dmp

Filesize
20KB

Download
memory/1084-64-0x00000000052F0000-0x0000000005387000-memory.dmp

Filesize
604KB

Download
memory/1084-65-0x0000000004590000-0x00000000045E7000-memory.dmp

Filesize
348KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads