agenttesla | ada04b9d9b0611f4ee1ec1055647af989b2b30dc41e84b75be1bd479a16ea7dd

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 06:27

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General

Target

JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe
Size

312KB
MD5

089fd8527a9faa391ed5474898f9f391
SHA1

279248367b61c92fdd599d002e84420dec9ecd60
SHA256

ada04b9d9b0611f4ee1ec1055647af989b2b30dc41e84b75be1bd479a16ea7dd
SHA512

1d93cfa36b628ae904bc8ffb641383302d603c6579ab0395b4b9ec87cba00299425cdfb57de4d90673d5e97468075e1c155e38915d0040ce9726f7cba07d0f75
SSDEEP

6144:/BgBBVJcHcKnTDWnc35dAlvWvj76vko6Rqwl1jXE:/acHcKnTDWnc35Qevyvuqa1jXE

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
Agenttesla family
agenttesla
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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\MyOtApp = "C:\\Users\\Admin\\AppData\\Roaming\\MyOtApp\\MyOtApp.exe"	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.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
4	checkip.dyndns.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2244 set thread context of 2440	2244	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe	28

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	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2440	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe
2440	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2440	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2244	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe
Token: SeDebugPrivilege	2440	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2440	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2244 wrote to memory of 2440	2244	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe	28
PID 2244 wrote to memory of 2440	2244	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe	28
PID 2244 wrote to memory of 2440	2244	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe	28
PID 2244 wrote to memory of 2440	2244	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe	28
PID 2244 wrote to memory of 2440	2244	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe	28
PID 2244 wrote to memory of 2440	2244	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe	28
PID 2244 wrote to memory of 2440	2244	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe	28
PID 2244 wrote to memory of 2440	2244	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe	28
PID 2244 wrote to memory of 2440	2244	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe
  "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_089fd8527a9faa391ed5474898f9f391.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: RenamesItself
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2440

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

Replay Monitor

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Downloads

memory/2244-0-0x0000000074BF1000-0x0000000074BF2000-memory.dmp

Filesize
4KB

Download
memory/2244-1-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-2-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-3-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-4-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-5-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-6-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-9-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-8-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-7-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-10-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-11-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-12-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2244-28-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2440-27-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2440-25-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2440-23-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2440-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2440-19-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2440-17-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2440-15-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2440-13-0x0000000000400000-0x000000000043A000-memory.dmp

Filesize
232KB

Download
memory/2440-29-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2440-30-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download
memory/2440-31-0x0000000074BF0000-0x000000007519B000-memory.dmp

Filesize
5.7MB

Download