agenttesla | 29577f372490ff53d55811314ca8fb591106032c77a2c621363096b60bec03dd

Analysis

max time kernel
133s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-10-2024 08:23

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General

Target

16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe
Size

1.4MB
MD5

16ebb2d42a01836c0cae49b73dc043ae
SHA1

4114a41dbc4f16911181a8d645260f9826b7df00
SHA256

29577f372490ff53d55811314ca8fb591106032c77a2c621363096b60bec03dd
SHA512

a3d7de4f8fefb9a015fe705dd3967461d0e431224052d70b0723889dd449355d4918f23f78686da7e2cee2fa1c3d404e127ac111439412b82d9f3c699812dff0
SSDEEP

24576:cnzdO3BfI9rK5bHLb1n54Vaqmyj4T2fXKvOc:/3BcrK5B54VnmT2/

Score

10^/10

agenttesla collection credential_access discovery evasion execution keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.moqruop.com
Port:
587
Username:
[email protected]
Password:
vQbaUPM3

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/2172-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2172-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2172-14-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2172-21-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2172-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Oracle\VirtualBox Guest Additions	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2904	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\VMware, Inc.\VMware Tools	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	16ebb2d42a01836c0cae49b73dc043ae_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-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

Disk information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2532 set thread context of 2172	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	34

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2172	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe
2172	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe
2904	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe
Token: SeDebugPrivilege	2904	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2532 wrote to memory of 2904	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	31
PID 2532 wrote to memory of 2904	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	31
PID 2532 wrote to memory of 2904	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	31
PID 2532 wrote to memory of 2904	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	31
PID 2532 wrote to memory of 2172	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	34
PID 2532 wrote to memory of 2172	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	34
PID 2532 wrote to memory of 2172	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	34
PID 2532 wrote to memory of 2172	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	34
PID 2532 wrote to memory of 2172	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	34
PID 2532 wrote to memory of 2172	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	34
PID 2532 wrote to memory of 2172	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	34
PID 2532 wrote to memory of 2172	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	34
PID 2532 wrote to memory of 2172	2532	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe	34

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe"
1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2532
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2904
- C:\Users\Admin\AppData\Local\Temp\16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\16ebb2d42a01836c0cae49b73dc043ae_JaffaCakes118.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:2172

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

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

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/2172-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2172-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2172-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2172-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2172-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2172-21-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2172-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2172-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2532-5-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-4-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/2532-7-0x0000000001EA0000-0x0000000001EDC000-memory.dmp

Filesize
240KB

Download
memory/2532-2-0x0000000000610000-0x000000000062E000-memory.dmp

Filesize
120KB

Download
memory/2532-0-0x00000000748BE000-0x00000000748BF000-memory.dmp

Filesize
4KB

Download
memory/2532-6-0x00000000055A0000-0x0000000005642000-memory.dmp

Filesize
648KB

Download
memory/2532-22-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2532-1-0x00000000001A0000-0x000000000030C000-memory.dmp

Filesize
1.4MB

Download
memory/2532-3-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download