agenttesla | 485885e7fb7acedf7725c4c06222e7863207f5d99167348febc9b7a182413858

General

Target

MVHEILAN_INVpdf.exe
Size

592KB
MD5

d07b3844baa07c57e8ef119ea1c29e85
SHA1

0601eafdf5b9550b940a1255a28af2c5b4447eca
SHA256

a8602955f5fdfafa21aebee64feb294b68d8e7b85997992c560f769329e7043f
SHA512

4ea35d4591b4e205b17336ece22e99e0a0b603c0c38984f41ed2a0f417d2886ebe8aad52b1554bb9707ba94f3aeab44f10fb631f4cda52c683954e80b973fa95

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
secure231.servconfig.com
Port:
587
Username:
[email protected]
Password:
eltaefSH6548883

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/1668-63-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1668-64-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1668-65-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1668-66-0x000000000044C92E-mapping.dmp	family_agenttesla
behavioral1/memory/1668-68-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla
behavioral1/memory/1668-70-0x0000000000400000-0x0000000000452000-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:

MVHEILAN_INVpdf.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MVHEILAN_INVpdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MVHEILAN_INVpdf.exe
Key opened	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MVHEILAN_INVpdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

MVHEILAN_INVpdf.exe

description pid process target process

PID 632 set thread context of 1668 632 MVHEILAN_INVpdf.exe MVHEILAN_INVpdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exe

pid process

1660 schtasks.exe
Suspicious behavior: EnumeratesProcesses 3 IoCs

Processes:

MVHEILAN_INVpdf.exeMVHEILAN_INVpdf.exe

pid process

632 MVHEILAN_INVpdf.exe
1668 MVHEILAN_INVpdf.exe
1668 MVHEILAN_INVpdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

MVHEILAN_INVpdf.exeMVHEILAN_INVpdf.exe

description pid process

Token: SeDebugPrivilege 632 MVHEILAN_INVpdf.exe
Token: SeDebugPrivilege 1668 MVHEILAN_INVpdf.exe

description	pid	process	target process
PID 632 set thread context of 1668	632	MVHEILAN_INVpdf.exe	MVHEILAN_INVpdf.exe

pid	process
1660	schtasks.exe

pid	process
632	MVHEILAN_INVpdf.exe
1668	MVHEILAN_INVpdf.exe
1668	MVHEILAN_INVpdf.exe

description	pid	process
Token: SeDebugPrivilege	632	MVHEILAN_INVpdf.exe
Token: SeDebugPrivilege	1668	MVHEILAN_INVpdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

MVHEILAN_INVpdf.exeMVHEILAN_INVpdf.exe

description	pid	process	target process
PID 632 wrote to memory of 1660	632	MVHEILAN_INVpdf.exe	schtasks.exe
PID 632 wrote to memory of 1660	632	MVHEILAN_INVpdf.exe	schtasks.exe
PID 632 wrote to memory of 1660	632	MVHEILAN_INVpdf.exe	schtasks.exe
PID 632 wrote to memory of 1660	632	MVHEILAN_INVpdf.exe	schtasks.exe
PID 632 wrote to memory of 1668	632	MVHEILAN_INVpdf.exe	MVHEILAN_INVpdf.exe
PID 632 wrote to memory of 1668	632	MVHEILAN_INVpdf.exe	MVHEILAN_INVpdf.exe
PID 632 wrote to memory of 1668	632	MVHEILAN_INVpdf.exe	MVHEILAN_INVpdf.exe
PID 632 wrote to memory of 1668	632	MVHEILAN_INVpdf.exe	MVHEILAN_INVpdf.exe
PID 632 wrote to memory of 1668	632	MVHEILAN_INVpdf.exe	MVHEILAN_INVpdf.exe
PID 632 wrote to memory of 1668	632	MVHEILAN_INVpdf.exe	MVHEILAN_INVpdf.exe
PID 632 wrote to memory of 1668	632	MVHEILAN_INVpdf.exe	MVHEILAN_INVpdf.exe
PID 632 wrote to memory of 1668	632	MVHEILAN_INVpdf.exe	MVHEILAN_INVpdf.exe
PID 632 wrote to memory of 1668	632	MVHEILAN_INVpdf.exe	MVHEILAN_INVpdf.exe
PID 1668 wrote to memory of 1104	1668	MVHEILAN_INVpdf.exe	netsh.exe
PID 1668 wrote to memory of 1104	1668	MVHEILAN_INVpdf.exe	netsh.exe
PID 1668 wrote to memory of 1104	1668	MVHEILAN_INVpdf.exe	netsh.exe
PID 1668 wrote to memory of 1104	1668	MVHEILAN_INVpdf.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

MVHEILAN_INVpdf.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	MVHEILAN_INVpdf.exe

outlook_win_path 1 IoCs

Processes:

MVHEILAN_INVpdf.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	MVHEILAN_INVpdf.exe

C:\Users\Admin\AppData\Local\Temp\MVHEILAN_INVpdf.exe
"C:\Users\Admin\AppData\Local\Temp\MVHEILAN_INVpdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\acbsQjfGy" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB6F1.tmp"
2⤵
- Creates scheduled task(s)
PID:1660

C:\Users\Admin\AppData\Local\Temp\MVHEILAN_INVpdf.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:1668

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
PID:1104

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Scheduled Task

1

T1053

Privilege Escalation

Scheduled Task

1

T1053

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

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\Temp\tmpB6F1.tmp
Filesize
1KB

MD5
bfd688f0a4c1860320bc6c9d8a8ae655

SHA1
7257c8ea31c35d2fd19161dae5c21a41cb8b300c

SHA256
6d4ecfe1699ec9d94fd8ece7886935afb7712002faf8aa06f80e874c8d2ae356

SHA512
6ffe97dbee50b7de564070ed1de77e45bb6264087ba3677861b1963b063ea91ec882284fe7fb520eff94e637d7b21c1377e5e59103ab661ed9b09d6bc5accb19

Download Submit
memory/632-55-0x0000000000370000-0x0000000000378000-memory.dmp

Filesize
32KB

Download
memory/632-56-0x00000000009B0000-0x0000000000A0A000-memory.dmp

Filesize
360KB

Download
memory/632-57-0x0000000075391000-0x0000000075393000-memory.dmp

Filesize
8KB

Download
memory/632-54-0x0000000000CD0000-0x0000000000D6A000-memory.dmp

Filesize
616KB

Download
memory/1104-72-0x0000000000000000-mapping.dmp

Download
memory/1660-58-0x0000000000000000-mapping.dmp

Download
memory/1668-60-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1668-63-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1668-64-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1668-65-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1668-66-0x000000000044C92E-mapping.dmp

Download
memory/1668-68-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1668-70-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1668-61-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads