agenttesla | 1334290e2e59bc9e53b20732cd9403a683aadce734ca1c5db4030309b74adae0

General

Target

65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe
Size

1.6MB
MD5

65ea5594ddf4968baa26cc3dddfa0db0
SHA1

a4fab59a1da577bbd4b929d31cdca32279dd0dee
SHA256

1334290e2e59bc9e53b20732cd9403a683aadce734ca1c5db4030309b74adae0
SHA512

23d29813b2ab79502743aa328f854b83639770f9294540da41dd7ffac000571832c8238c403905ab0978fc39b9154056f7c0550c1dc0d5bb6b6199f82140de9d
SSDEEP

49152:Ou0c++OCvkGs9Fa9O/0J7FE8dNWxJ/jBxaq/FDjJY:RB3vkJ9Sq/prdFfJ

Score

10^/10

agenttesla collection keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.weltwietagri.com
Port:
587
Username:
[email protected]
Password:
aFoijG*0

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/2236-2-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
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
T1552.001
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
T1552.001
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
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe

description pid process target process

PID 3672 set thread context of 2236 3672 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe RegAsm.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

RegAsm.exe

pid process

2236 RegAsm.exe
2236 RegAsm.exe
Suspicious behavior: MapViewOfSection 1 IoCs

Processes:

65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe

pid process

3672 65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

RegAsm.exe

description pid process

Token: SeDebugPrivilege 2236 RegAsm.exe

description	pid	process	target process
PID 3672 set thread context of 2236	3672	65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe	RegAsm.exe

pid	process
2236	RegAsm.exe
2236	RegAsm.exe

description	pid	process
Token: SeDebugPrivilege	2236	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe

pid	process
3672	65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe
3672	65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe
3672	65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe

pid	process
3672	65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe
3672	65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe
3672	65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe

description	pid	process	target process
PID 3672 wrote to memory of 2236	3672	65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe	RegAsm.exe
PID 3672 wrote to memory of 2236	3672	65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe	RegAsm.exe
PID 3672 wrote to memory of 2236	3672	65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe	RegAsm.exe
PID 3672 wrote to memory of 2236	3672	65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe	RegAsm.exe

outlook_office_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

Processes:

RegAsm.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\65ea5594ddf4968baa26cc3dddfa0db0_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3672
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2236

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Unsecured Credentials

4

T1552

Credentials In Files

3

T1552.001

Credentials in Registry

1

T1552.002

Discovery

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2236-2-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/2236-3-0x00000000743D2000-0x00000000743D3000-memory.dmp

Filesize
4KB

Download
memory/2236-4-0x00000000743D0000-0x0000000074981000-memory.dmp

Filesize
5.7MB

Download
memory/2236-5-0x00000000743D0000-0x0000000074981000-memory.dmp

Filesize
5.7MB

Download
memory/2236-6-0x00000000743D2000-0x00000000743D3000-memory.dmp

Filesize
4KB

Download
memory/2236-7-0x00000000743D0000-0x0000000074981000-memory.dmp

Filesize
5.7MB

Download
memory/3672-0-0x0000000003500000-0x0000000003547000-memory.dmp

Filesize
284KB

Download
memory/3672-1-0x00000000032B0000-0x00000000032F7000-memory.dmp

Filesize
284KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads