agenttesla | b11a0bce757f636b17b031043666ec08956175dfdea6f7402ed136852d9b618d

General

Target

invoice.pdf.exe
Size

439KB
MD5

8e8165e74a734ef4504df4fc4b014f8d
SHA1

ce43b52541df7cdc3f4053d201517adb447005c9
SHA256

f892f7e0b4bcfd9084ac791d72a87a95a16ca175a154faf0a2e24da5dd205bce
SHA512

101124fe99affa3944d3fe225c1e3065548c2e0faff42dd58fcfbed295d91e41733a068e6a629aba91ad5c5258565cbd47f2f4544e10d8a418c7ae1edf5cb5f4

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
chinapeace@yandex.com
Password:
chibuikelightwork1

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
chinapeace@yandex.com
Password:
chibuikelightwork1

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/4536-135-0x0000000000400000-0x000000000044C000-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:

invoice.pdf.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	invoice.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	invoice.pdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	invoice.pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

invoice.pdf.exe

description pid process target process

PID 3160 set thread context of 4536 3160 invoice.pdf.exe invoice.pdf.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

invoice.pdf.exe

pid process

4536 invoice.pdf.exe
4536 invoice.pdf.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

invoice.pdf.exe

description pid process

Token: SeDebugPrivilege 4536 invoice.pdf.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

invoice.pdf.exe

pid process

4536 invoice.pdf.exe

description	pid	process	target process
PID 3160 set thread context of 4536	3160	invoice.pdf.exe	invoice.pdf.exe

pid	process
4536	invoice.pdf.exe
4536	invoice.pdf.exe

description	pid	process
Token: SeDebugPrivilege	4536	invoice.pdf.exe

pid	process
4536	invoice.pdf.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

invoice.pdf.exe

description	pid	process	target process
PID 3160 wrote to memory of 4536	3160	invoice.pdf.exe	invoice.pdf.exe
PID 3160 wrote to memory of 4536	3160	invoice.pdf.exe	invoice.pdf.exe
PID 3160 wrote to memory of 4536	3160	invoice.pdf.exe	invoice.pdf.exe
PID 3160 wrote to memory of 4536	3160	invoice.pdf.exe	invoice.pdf.exe
PID 3160 wrote to memory of 4536	3160	invoice.pdf.exe	invoice.pdf.exe
PID 3160 wrote to memory of 4536	3160	invoice.pdf.exe	invoice.pdf.exe
PID 3160 wrote to memory of 4536	3160	invoice.pdf.exe	invoice.pdf.exe
PID 3160 wrote to memory of 4536	3160	invoice.pdf.exe	invoice.pdf.exe

outlook_office_path 1 IoCs

Processes:

invoice.pdf.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	invoice.pdf.exe

outlook_win_path 1 IoCs

Processes:

invoice.pdf.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	invoice.pdf.exe

C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe
"C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3160

C:\Users\Admin\AppData\Local\Temp\invoice.pdf.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
PID:4536

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\invoice.pdf.exe.log
Filesize
593B

MD5
d33889e23b968ff408f471cc47c2293e

SHA1
2baefe703c8ee5d1ef4b0325020d581c7b18c54e

SHA256
bf6ef9732167acdc5f0721d7fc05c0d39be3359eda8bebf08f4145bbca8a22fb

SHA512
a461ef45b64c8c28a170f45ab53f136e43820e745d270c595137e236efbf316561206685b2b2925530c478210f88f4e435a470eabcc6ac25fcce30a889070208

Download Submit
memory/3160-130-0x0000000000D30000-0x0000000000DA4000-memory.dmp

Filesize
464KB

Download
memory/3160-131-0x00000000081C0000-0x0000000008764000-memory.dmp

Filesize
5.6MB

Download
memory/3160-132-0x0000000007CB0000-0x0000000007D42000-memory.dmp

Filesize
584KB

Download
memory/3160-133-0x0000000008CE0000-0x0000000008D7C000-memory.dmp

Filesize
624KB

Download
memory/4536-134-0x0000000000000000-mapping.dmp

Download
memory/4536-135-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/4536-137-0x00000000064C0000-0x0000000006526000-memory.dmp

Filesize
408KB

Download
memory/4536-138-0x0000000006870000-0x00000000068C0000-memory.dmp

Filesize
320KB

Download
memory/4536-139-0x0000000006D00000-0x0000000006D0A000-memory.dmp

Filesize
40KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads