agenttesla | 599684712d037941ea1fcd3bddec475f38ab00f768f4ee86fd56f41f87d07092

General

Target

e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe
Size

376KB
MD5

e8b09ad1049be752f15ce4fbc0a9bdc8
SHA1

b6da3f14db48c5de8afbc5e845f49d32060be9de
SHA256

599684712d037941ea1fcd3bddec475f38ab00f768f4ee86fd56f41f87d07092
SHA512

41a1781895caa37ae05c1e4a5342beed56e6ad289f330b14065f7479ade0544ef304ae3676fe607a0f433307ff69c9dcb4e7ca078b05deb44de5f1d5f4cc063b
SSDEEP

6144:JWANBxjImCW9VQYwUt0XJMp4rGqXbbCpW7CxFRmsuGRxHkShz0f:oQBOWAItiJMirf3QWgFWIqi

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence privilege_escalation spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.usnewsdc.com
Port:
587
Username:
[email protected]
Password:
@@newsdc@$$$

Signatures

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

AgentTesla payload 4 IoCs

resource	yara_rule
behavioral1/memory/1656-38-0x0000000000400000-0x0000000000454000-memory.dmp	family_agenttesla
behavioral1/memory/1656-36-0x0000000000400000-0x0000000000454000-memory.dmp	family_agenttesla
behavioral1/memory/1656-34-0x0000000000400000-0x0000000000454000-memory.dmp	family_agenttesla
behavioral1/memory/1656-45-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
credential_access stealer

Credentials from Web Browsers
T1555.003
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
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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Newapp = "C:\\Users\\Admin\\AppData\\Roaming\\Newapp\\Newapp.exe"	regasm.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2712 set thread context of 1656	2712	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	30

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

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	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regasm.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
1992	netsh.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1656	regasm.exe
1656	regasm.exe

Suspicious behavior: MapViewOfSection 1 IoCs

pid	Process
2712	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1656	regasm.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2712	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe
1656	regasm.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2712 wrote to memory of 1656	2712	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	30
PID 2712 wrote to memory of 1656	2712	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	30
PID 2712 wrote to memory of 1656	2712	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	30
PID 2712 wrote to memory of 1656	2712	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	30
PID 2712 wrote to memory of 1656	2712	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	30
PID 2712 wrote to memory of 1656	2712	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	30
PID 2712 wrote to memory of 1656	2712	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	30
PID 2712 wrote to memory of 1656	2712	e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe	30
PID 1656 wrote to memory of 1992	1656	regasm.exe	33
PID 1656 wrote to memory of 1992	1656	regasm.exe	33
PID 1656 wrote to memory of 1992	1656	regasm.exe	33
PID 1656 wrote to memory of 1992	1656	regasm.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	regasm.exe

C:\Users\Admin\AppData\Local\Temp\e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\e8b09ad1049be752f15ce4fbc0a9bdc8_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2712
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\regasm.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1656
- - C:\Windows\SysWOW64\netsh.exe
    "netsh" wlan show profile
    3⤵
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Wi-Fi Discovery
    PID:1992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

5

T1552

Credentials In Files

4

T1552.001

Credentials in Registry

1

T1552.002

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1656-38-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1656-45-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1656-34-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/1656-36-0x0000000000400000-0x0000000000454000-memory.dmp

Filesize
336KB

Download
memory/2712-41-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/2712-33-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/2712-32-0x000000007294A000-0x000000007294B000-memory.dmp

Filesize
4KB

Download
memory/2712-39-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/2712-43-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/2712-42-0x0000000072940000-0x0000000072A93000-memory.dmp

Filesize
1.3MB

Download
memory/2712-30-0x0000000000250000-0x0000000000251000-memory.dmp

Filesize
4KB

Download
memory/2712-44-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2712-31-0x0000000000610000-0x0000000000710000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads