agenttesla | b3614ad64d0a66c943c9b6551740a47c85c64598faea2576540dd207ae089e09

Analysis

max time kernel
130s
max time network
16s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
24/11/2024, 11:01

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General

Target

943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
Size

1.4MB
MD5

943d3e51c00b149d0fda61b891e6df0a
SHA1

92bc6b96b3ec3eb08798dd518b6201424518b11d
SHA256

b3614ad64d0a66c943c9b6551740a47c85c64598faea2576540dd207ae089e09
SHA512

c9127e074260ec969fc144c5c494366d2761804ee3078f5fca032a0f46395aa58e82e3e643cf38b70b77d8b32fbe6b48be5b7de7b25bc82ca9c493eb50546302
SSDEEP

12288:E8av9lKYx0zWXf805Si0z+CSYNgrFTuOIgIa8VOLHT2fXHk/HmUVpmldEVRC7:E59tKze9VgrOFAYLHT2fXHvOi

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:
qiPyjPF7

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral1/memory/1864-20-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1864-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1864-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1864-16-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1864-14-0x0000000000400000-0x000000000043C000-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	943d3e51c00b149d0fda61b891e6df0a_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
2992	powershell.exe

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	943d3e51c00b149d0fda61b891e6df0a_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	943d3e51c00b149d0fda61b891e6df0a_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	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	943d3e51c00b149d0fda61b891e6df0a_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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	943d3e51c00b149d0fda61b891e6df0a_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	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2464 set thread context of 1864	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	33

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	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1864	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
1864	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
2992	powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1864	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
Token: SeDebugPrivilege	2992	powershell.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2464 wrote to memory of 2992	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	30
PID 2464 wrote to memory of 2992	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	30
PID 2464 wrote to memory of 2992	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	30
PID 2464 wrote to memory of 2992	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	30
PID 2464 wrote to memory of 1864	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	33
PID 2464 wrote to memory of 1864	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	33
PID 2464 wrote to memory of 1864	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	33
PID 2464 wrote to memory of 1864	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	33
PID 2464 wrote to memory of 1864	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	33
PID 2464 wrote to memory of 1864	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	33
PID 2464 wrote to memory of 1864	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	33
PID 2464 wrote to memory of 1864	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	33
PID 2464 wrote to memory of 1864	2464	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\943d3e51c00b149d0fda61b891e6df0a_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:2464
- 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\943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2992
- C:\Users\Admin\AppData\Local\Temp\943d3e51c00b149d0fda61b891e6df0a_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\943d3e51c00b149d0fda61b891e6df0a_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:1864

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

Replay Monitor

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Downloads

memory/1864-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1864-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1864-10-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1864-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1864-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1864-18-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1864-20-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1864-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2464-1-0x0000000000F70000-0x00000000010D4000-memory.dmp

Filesize
1.4MB

Download
memory/2464-7-0x0000000000EC0000-0x0000000000EFC000-memory.dmp

Filesize
240KB

Download
memory/2464-6-0x00000000055E0000-0x0000000005682000-memory.dmp

Filesize
648KB

Download
memory/2464-5-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2464-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2464-4-0x00000000741FE000-0x00000000741FF000-memory.dmp

Filesize
4KB

Download
memory/2464-3-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download
memory/2464-2-0x0000000000530000-0x000000000054E000-memory.dmp

Filesize
120KB

Download
memory/2464-23-0x00000000741F0000-0x00000000748DE000-memory.dmp

Filesize
6.9MB

Download