agenttesla | de714525178b9fe8adb8ed6aa876f73f5562b629fe623c3ec3a3e407b959c51a

Analysis

max time kernel
95s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 18:17

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General

Target

JaffaCakes118_242c72053c39d4e0d386cfd1370b09f0.exe
Size

39KB
MD5

242c72053c39d4e0d386cfd1370b09f0
SHA1

e11097e79d7440cbed8745a9bee06cef556901d8
SHA256

de714525178b9fe8adb8ed6aa876f73f5562b629fe623c3ec3a3e407b959c51a
SHA512

805a42c8cd472f09a79c408ec13ea9b64acfa3eb386eda90be753a64a8408adce8e1ad79dccc2ac3552cefe6fbe5cc716de5dcb6274b14d1ea05114fa8c62180
SSDEEP

384:v8Zirz04kYcm5oRVPUn30CNvkD28bhAZxZUtO4f54A:vJi+5uVPUn30ev+Hbh+4f54A

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

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	JaffaCakes118_242c72053c39d4e0d386cfd1370b09f0.exe

Executes dropped EXE 1 IoCs

pid	Process
1324	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_242c72053c39d4e0d386cfd1370b09f0.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\system.exe	JaffaCakes118_242c72053c39d4e0d386cfd1370b09f0.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 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_242c72053c39d4e0d386cfd1370b09f0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
728	JaffaCakes118_242c72053c39d4e0d386cfd1370b09f0.exe
1324	system.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 728 wrote to memory of 1324	728	JaffaCakes118_242c72053c39d4e0d386cfd1370b09f0.exe	82
PID 728 wrote to memory of 1324	728	JaffaCakes118_242c72053c39d4e0d386cfd1370b09f0.exe	82
PID 728 wrote to memory of 1324	728	JaffaCakes118_242c72053c39d4e0d386cfd1370b09f0.exe	82

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_242c72053c39d4e0d386cfd1370b09f0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_242c72053c39d4e0d386cfd1370b09f0.exe"
1⤵
- Checks computer location settings
- 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:728
- C:\WINDOWS\system.exe
  "C:\WINDOWS\system.exe" 0
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1324

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

Discovery

Query Registry

T1012

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
24f7d682ed5ff22ee3a87fff0411643e

SHA1
0ce9203e0f2970394b2cd1709e95b621ac2dff57

SHA256
8d4cc8a26d51a09e99989ad8e80fb1f7ac11ecec3475400a4039d99abcf7a20f

SHA512
975984431b7543c0a05e8bbac247f9037e5f832d1412bee388dcf77b91fc12956b462e4932d6ff9ba4980558556f6edb941370d1b1bad75d4033e75c9da1c385

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads