agenttesla | 94d0424230c530aeb45ebfd0e9e27017e72d4fbb2aec516c5fdf6a70beb6258d

Analysis

max time kernel
104s
max time network
105s
platform
windows11-21h2_x64
resource
win11-20250410-en
resource tags

arch:x64arch:x86image:win11-20250410-enlocale:en-usos:windows11-21h2-x64system
submitted
23/04/2025, 02:49

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General

Target

JaffaCakes118_d0bfe83ba7349d6823585dadc521fd9f.exe
Size

39KB
MD5

d0bfe83ba7349d6823585dadc521fd9f
SHA1

b91c5b421e7732646bc8605f0c2bdf24142cf531
SHA256

94d0424230c530aeb45ebfd0e9e27017e72d4fbb2aec516c5fdf6a70beb6258d
SHA512

de0eb5f52a5de1cd571098c1706221a89a658790394710562efa8c1a630ca520ed49e59cbe1e3cb73b8f2e14f5305e16babbba0fdc66b06c1584ec22f6e4d720
SSDEEP

384:v8Zirz04kYcm5oRVPUn30CNvkD28bhA1xZUtO4f54A:vJi+5uVPUn30ev+HbhO4f54A

Score

10^/10

agenttesla 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

Executes dropped EXE 2 IoCs

pid	Process
4980	system.exe
2576	system.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MyApp = "C:\\WINDOWS\\system.exe"	JaffaCakes118_d0bfe83ba7349d6823585dadc521fd9f.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\system.exe	JaffaCakes118_d0bfe83ba7349d6823585dadc521fd9f.exe

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	JaffaCakes118_d0bfe83ba7349d6823585dadc521fd9f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
4088	JaffaCakes118_d0bfe83ba7349d6823585dadc521fd9f.exe
4980	system.exe
2576	system.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5872 wrote to memory of 4980	5872	cmd.exe	84
PID 5872 wrote to memory of 4980	5872	cmd.exe	84
PID 5872 wrote to memory of 4980	5872	cmd.exe	84
PID 4088 wrote to memory of 2576	4088	JaffaCakes118_d0bfe83ba7349d6823585dadc521fd9f.exe	85
PID 4088 wrote to memory of 2576	4088	JaffaCakes118_d0bfe83ba7349d6823585dadc521fd9f.exe	85
PID 4088 wrote to memory of 2576	4088	JaffaCakes118_d0bfe83ba7349d6823585dadc521fd9f.exe	85

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d0bfe83ba7349d6823585dadc521fd9f.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_d0bfe83ba7349d6823585dadc521fd9f.exe"
1⤵
- Adds Run key to start application
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4088
- C:\WINDOWS\system.exe
  "C:\WINDOWS\system.exe" 0
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2576

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\WINDOWS\system.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:5872
- C:\WINDOWS\system.exe
  C:\WINDOWS\system.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4980

Network

MITRE ATT&CK Enterprise v16

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

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\system.exe

Filesize
39KB

MD5
5692a0e96567c5616698c2570811c160

SHA1
381a9c214c6658ab48500b6cb9fd6a3124db96b4

SHA256
4f20dc812e6264bd7c7a6eda20a291d103243f9225ba0b75d7fdf2f12641d0c1

SHA512
2da3949926a7d145ae52007120d7e996a4535c74839b5fa7b247cad58fe2ef20626eb882f72c91127a8631f33b2464b56a247f975390df287f4df7079475a9ad

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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