agenttesla | aecd152282def027bfd51b70b018af2c80dabf50c52ba4100c71c1047fe027dd

General

Target

JTC20-PO074.075.exe
Size

1.2MB
MD5

5ca041632c9d92d36de6bbf016307719
SHA1

e4fb1871b21fdfa9beab676cd58a70f551930f7e
SHA256

164194c08dd53211cac7f964486f2dfbd9c1c8b4ccf980288d043f3544c7637e
SHA512

cadff82f9bdd33e721ac58172225c90d9d9d3dea50183e618d13286a0167ca3a8460f9a332fd73acd9051fa4d3750537fe4e7d70758094219e96695addac86e2
SSDEEP

24576:gQAnPK73wqJrGFem41Ic60+rVIx0JFCt8sc+WsU+sgGV+kICJrRy:ZwqJrGY1Ifv5IazCncVosgGVmId

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.kpce-co.com
Port:
587
Username:
[email protected]
Password:
l9#Qg$:nwmC3

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/1644-135-0x0000000000400000-0x000000000043C000-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:

JTC20-PO074.075.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JTC20-PO074.075.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JTC20-PO074.075.exe
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JTC20-PO074.075.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

JTC20-PO074.075.exe

description pid process target process

PID 4396 set thread context of 1644 4396 JTC20-PO074.075.exe JTC20-PO074.075.exe
Drops file in Windows directory 1 IoCs

Processes:

JTC20-PO074.075.exe

description ioc process

File created C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new JTC20-PO074.075.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

JTC20-PO074.075.exe

pid process

1644 JTC20-PO074.075.exe
1644 JTC20-PO074.075.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

JTC20-PO074.075.exe

description pid process

Token: SeDebugPrivilege 1644 JTC20-PO074.075.exe

description	pid	process	target process
PID 4396 set thread context of 1644	4396	JTC20-PO074.075.exe	JTC20-PO074.075.exe

description	ioc	process
File created	C:\Windows\Microsoft.NET\Framework\v2.0.50727\config\security.config.cch.new	JTC20-PO074.075.exe

pid	process
1644	JTC20-PO074.075.exe
1644	JTC20-PO074.075.exe

description	pid	process
Token: SeDebugPrivilege	1644	JTC20-PO074.075.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

JTC20-PO074.075.exe

description	pid	process	target process
PID 4396 wrote to memory of 1644	4396	JTC20-PO074.075.exe	JTC20-PO074.075.exe
PID 4396 wrote to memory of 1644	4396	JTC20-PO074.075.exe	JTC20-PO074.075.exe
PID 4396 wrote to memory of 1644	4396	JTC20-PO074.075.exe	JTC20-PO074.075.exe
PID 4396 wrote to memory of 1644	4396	JTC20-PO074.075.exe	JTC20-PO074.075.exe
PID 4396 wrote to memory of 1644	4396	JTC20-PO074.075.exe	JTC20-PO074.075.exe
PID 4396 wrote to memory of 1644	4396	JTC20-PO074.075.exe	JTC20-PO074.075.exe
PID 4396 wrote to memory of 1644	4396	JTC20-PO074.075.exe	JTC20-PO074.075.exe
PID 4396 wrote to memory of 1644	4396	JTC20-PO074.075.exe	JTC20-PO074.075.exe

outlook_office_path 1 IoCs

Processes:

JTC20-PO074.075.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JTC20-PO074.075.exe

outlook_win_path 1 IoCs

Processes:

JTC20-PO074.075.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JTC20-PO074.075.exe

C:\Users\Admin\AppData\Local\Temp\JTC20-PO074.075.exe
"C:\Users\Admin\AppData\Local\Temp\JTC20-PO074.075.exe"
1⤵
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- Suspicious use of WriteProcessMemory
PID:4396

C:\Users\Admin\AppData\Local\Temp\JTC20-PO074.075.exe
"C:\Users\Admin\AppData\Local\Temp\JTC20-PO074.075.exe"
2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:1644

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\JTC20-PO074.075.exe.log

Filesize
594B

MD5
fdb26b3b547022b45cfaeee57eafd566

SHA1
11c6798b8a59233f404014c5e79b3363cd564b37

SHA256
2707fc7f074413881b7bafca05079327b188db6005709951e7f69d39a2af97c0

SHA512
44d9bb8c0f0b341690d00eda86e15a50f7f29ce9595925c1a2a7e19ad26202d10049a7a97bea278ecb7d429ad555de8edceeffff664d4b06309a9410a09bb700

Download Submit
memory/1644-134-0x0000000000000000-mapping.dmp

Download
memory/1644-135-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1644-137-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/1644-139-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/4396-132-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/4396-133-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download
memory/4396-138-0x0000000074CB0000-0x0000000075261000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads