agenttesla | e4ec15a1adf9b753e880d5675c798334c7ded36a2cadf8eccec5ef983999ef6b

Analysis

max time kernel
150s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
26-09-2024 02:45

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General

Target

f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
Size

1.6MB
MD5

f76379bef1f2feef09b826584ba04abb
SHA1

dd9bd8f293a94c30c186732bad507facdd0e7a55
SHA256

e4ec15a1adf9b753e880d5675c798334c7ded36a2cadf8eccec5ef983999ef6b
SHA512

520efc62184f1e2d1d14ef018f08dd69228d4d9146d2f3e24a9dcfe51b81ce837266e0254fd1cad696841a468a4cfb50f9836356b1ae3777cee060be42d870b7
SSDEEP

24576:ru6J33O0c+JY5UZ+XC0kGso6FaQwvpzfZwbkMYlzcHGSsnvP5hU7cFFV7vTYDWY:Fu0c++OCvkGs9FaQ+h6ZiqsnvP3isHY

Score

10^/10

agenttesla collection credential_access discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.multichemgroup.net
Port:
587
Username:
[email protected]
Password:
xL55IOx}t97U

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/3364-5-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla

Drops startup file 1 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\LsaIso.url	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe

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 3 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

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1156 set thread context of 3364	1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegAsm.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe

Suspicious behavior: MapViewOfSection 3 IoCs

pid	Process
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3364	RegAsm.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1156 wrote to memory of 3940	1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe	82
PID 1156 wrote to memory of 3940	1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe	82
PID 1156 wrote to memory of 3940	1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe	82
PID 1156 wrote to memory of 4032	1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe	83
PID 1156 wrote to memory of 4032	1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe	83
PID 1156 wrote to memory of 4032	1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe	83
PID 1156 wrote to memory of 3364	1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe	84
PID 1156 wrote to memory of 3364	1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe	84
PID 1156 wrote to memory of 3364	1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe	84
PID 1156 wrote to memory of 3364	1156	f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe	84

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegAsm.exe

C:\Users\Admin\AppData\Local\Temp\f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\f76379bef1f2feef09b826584ba04abb_JaffaCakes118.exe"
1⤵
- Drops startup file
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1156
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
  2⤵
  PID:3940
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
  "C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\RegAsm.exe"
  2⤵
  PID:4032
- 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
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:3364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/1156-3-0x00000000042F0000-0x000000000437D000-memory.dmp

Filesize
564KB

Download
memory/1156-4-0x0000000004260000-0x00000000042ED000-memory.dmp

Filesize
564KB

Download
memory/3364-5-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/3364-6-0x0000000073512000-0x0000000073513000-memory.dmp

Filesize
4KB

Download
memory/3364-7-0x0000000073510000-0x0000000073AC1000-memory.dmp

Filesize
5.7MB

Download
memory/3364-8-0x0000000073510000-0x0000000073AC1000-memory.dmp

Filesize
5.7MB

Download
memory/3364-9-0x0000000073512000-0x0000000073513000-memory.dmp

Filesize
4KB

Download
memory/3364-10-0x0000000073510000-0x0000000073AC1000-memory.dmp

Filesize
5.7MB

Download