agenttesla | 5e45717983c3908c361d3bfef012f81475c650e01457e1a60f1d9a82eeef67fd

General

Target

OC_0059284716.exe
Size

732KB
MD5

6511a18961fcd77ae02999e152c1fd89
SHA1

44121e716b0d40f6f7b4d683b860c6c7fcf17a40
SHA256

380e7e3441bb952722dded5a8d87c79257ed78dff7d6f9bcab307428b4200578
SHA512

bf7c4881624ea36ed8147e6d7f6ecff87bd6b72bbb3fe13fbe0a5b5c12f39477c852017ccf806bafdf4784bf0cebd88d495a244f509c5789c2198dc72ddeb75e

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
web2.changeip.com
Port:
587
Username:
[email protected]
Password:
6q]Xy%b8?AM~

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/1524-63-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1524-64-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1524-65-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1524-66-0x00000000004470BE-mapping.dmp	family_agenttesla
behavioral1/memory/1524-68-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1524-70-0x0000000000400000-0x000000000044C000-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:

OC_0059284716.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OC_0059284716.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OC_0059284716.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OC_0059284716.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

OC_0059284716.exe

description pid process target process

PID 1348 set thread context of 1524 1348 OC_0059284716.exe OC_0059284716.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 2 IoCs

Processes:

OC_0059284716.exe

pid process

1524 OC_0059284716.exe
1524 OC_0059284716.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

OC_0059284716.exe

description pid process

Token: SeDebugPrivilege 1524 OC_0059284716.exe

description	pid	process	target process
PID 1348 set thread context of 1524	1348	OC_0059284716.exe	OC_0059284716.exe

pid	process
1660	schtasks.exe

pid	process
1524	OC_0059284716.exe
1524	OC_0059284716.exe

description	pid	process
Token: SeDebugPrivilege	1524	OC_0059284716.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

OC_0059284716.exe

description	pid	process	target process
PID 1348 wrote to memory of 1660	1348	OC_0059284716.exe	schtasks.exe
PID 1348 wrote to memory of 1660	1348	OC_0059284716.exe	schtasks.exe
PID 1348 wrote to memory of 1660	1348	OC_0059284716.exe	schtasks.exe
PID 1348 wrote to memory of 1660	1348	OC_0059284716.exe	schtasks.exe
PID 1348 wrote to memory of 1524	1348	OC_0059284716.exe	OC_0059284716.exe
PID 1348 wrote to memory of 1524	1348	OC_0059284716.exe	OC_0059284716.exe
PID 1348 wrote to memory of 1524	1348	OC_0059284716.exe	OC_0059284716.exe
PID 1348 wrote to memory of 1524	1348	OC_0059284716.exe	OC_0059284716.exe
PID 1348 wrote to memory of 1524	1348	OC_0059284716.exe	OC_0059284716.exe
PID 1348 wrote to memory of 1524	1348	OC_0059284716.exe	OC_0059284716.exe
PID 1348 wrote to memory of 1524	1348	OC_0059284716.exe	OC_0059284716.exe
PID 1348 wrote to memory of 1524	1348	OC_0059284716.exe	OC_0059284716.exe
PID 1348 wrote to memory of 1524	1348	OC_0059284716.exe	OC_0059284716.exe

outlook_office_path 1 IoCs

Processes:

OC_0059284716.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OC_0059284716.exe

outlook_win_path 1 IoCs

Processes:

OC_0059284716.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	OC_0059284716.exe

C:\Users\Admin\AppData\Local\Temp\OC_0059284716.exe
"C:\Users\Admin\AppData\Local\Temp\OC_0059284716.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1348

C:\Windows\SysWOW64\schtasks.exe
"C:\Windows\System32\schtasks.exe" /Create /TN "Updates\GTXkcWVCImLc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpB694.tmp"
2⤵
- Creates scheduled task(s)
PID:1660

C:\Users\Admin\AppData\Local\Temp\OC_0059284716.exe
"{path}"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1524

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\tmpB694.tmp
Filesize
1KB

MD5
505dba59cab531ecd311fbf137ac470b

SHA1
20ecf387f470580c087bc2ef2459489329aa0f72

SHA256
564b708c7cb44990206523b6cf0a49e0aea98333a734175cbba9ead245a0be28

SHA512
f9d27b452551cd00af862d7a1b5881575741f0cbd7677294beb22c419332bddcc15c63f9837424d75fbe76f667fb855ed1f8fd267dc789f5475e9dc73f513451

Download Submit
memory/1348-55-0x0000000076531000-0x0000000076533000-memory.dmp

Filesize
8KB

Download
memory/1348-56-0x00000000001E0000-0x00000000001EA000-memory.dmp

Filesize
40KB

Download
memory/1348-57-0x0000000004D30000-0x0000000004D84000-memory.dmp

Filesize
336KB

Download
memory/1348-54-0x0000000000840000-0x00000000008FE000-memory.dmp

Filesize
760KB

Download
memory/1524-60-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1524-61-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1524-63-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1524-64-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1524-65-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1524-66-0x00000000004470BE-mapping.dmp

Download
memory/1524-68-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1524-70-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

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

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads