agenttesla | 5d612da3e35c6886cb345bff1387226334e29ca90b4e5b83b8748077405b7fc1

Analysis

max time kernel
116s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
21-09-2024 01:39

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General

Target

eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe
Size

280KB
MD5

eed49dbb254f00f7a69ccb43b8c0e753
SHA1

bb896b26b0e9ee441bc8c5c4f75f14978899f75c
SHA256

5d612da3e35c6886cb345bff1387226334e29ca90b4e5b83b8748077405b7fc1
SHA512

d1850d1b74cc109cf1e8157225859481a00f6e53126277e4ca852c4c6a75b244f72893058d5f654b66d3ffe379037106d3c97eb10215a2397cb50addb496d5a4
SSDEEP

6144:VZcwtBo4qZCyDl58iHypN1tFnXdog3zqAtIYE:VZRXo4q0arHSVXd5qYDE

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware 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-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.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-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MyOtApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyOtApp\\MyOtApp.exe"	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
8	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2528 set thread context of 992	2528	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe	82

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	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
992	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe
992	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	992	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
992	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 992	2528	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe	82
PID 2528 wrote to memory of 992	2528	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe	82
PID 2528 wrote to memory of 992	2528	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe	82
PID 2528 wrote to memory of 992	2528	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe	82
PID 2528 wrote to memory of 992	2528	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe	82
PID 2528 wrote to memory of 992	2528	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe	82
PID 2528 wrote to memory of 992	2528	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe	82
PID 2528 wrote to memory of 992	2528	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe	82

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Users\Admin\AppData\Local\Temp\eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\eed49dbb254f00f7a69ccb43b8c0e753_JaffaCakes118.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
  - outlook_office_path
  - outlook_win_path
  PID:992

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

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/992-3-0x0000000000400000-0x0000000000436000-memory.dmp

Filesize
216KB

Download
memory/992-6-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download
memory/992-8-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download
memory/992-9-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download
memory/992-10-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download
memory/2528-0-0x0000000074892000-0x0000000074893000-memory.dmp

Filesize
4KB

Download
memory/2528-1-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download
memory/2528-2-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download
memory/2528-4-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download
memory/2528-7-0x0000000074890000-0x0000000074E41000-memory.dmp

Filesize
5.7MB

Download