agenttesla | fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042ba

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 02:27

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General

Target

fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe
Size

35KB
MD5

3e62ada1172796cb6855c27e41e21230
SHA1

39b40b193f8601eeb9f76af14bf3893f09da49e1
SHA256

fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042ba
SHA512

9cfecc77ba068e307a0550776ef332f712c191e9bbf883578349a14052fae36179bb41ab85a3bb0dc579ffbfc94ffbaa802a316e7b0533c844f25f020c65bb6e
SSDEEP

384:XZirz04kYcm5oRVPUn30CDG1iZMJSalHXeqZhsWIgDWsjxZUtO4f54A:Mi+5uVPUn30gGEZQH5SAXJ4f54A

Score

10^/10

agenttesla discovery keylogger persistence spyware stealer trojan upx

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe

Executes dropped EXE 1 IoCs

pid	Process
2948	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"	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe

UPX packed file 5 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1324-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000b000000023ba4-7.dat	upx
behavioral2/memory/2948-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1324-15-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2948-18-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\system.exe	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.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	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1324	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe
2948	system.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1324 wrote to memory of 2948	1324	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe	83
PID 1324 wrote to memory of 2948	1324	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe	83
PID 1324 wrote to memory of 2948	1324	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe	83

C:\Users\Admin\AppData\Local\Temp\fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe
"C:\Users\Admin\AppData\Local\Temp\fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.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:1324
- C:\WINDOWS\system.exe
  "C:\WINDOWS\system.exe" 0
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2948

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
35KB

MD5
f3278269f7420764def1d99dc433e1d1

SHA1
61df5ba2d38e59347108c0aa7f7be30420a66b50

SHA256
ff8ec050e56c076d0e371dad108dbdb50a6342cb60c7124b2bf37107a3bdc89a

SHA512
1a8fa0dacf3c241e0610cd545dcb1ac42ea25f7980844196b50d40b6e13212faa0f11d054fd73682768e5711a528a1f2db8de8c15859de9b19a68a4a80a2e6fc

Download Submit
memory/1324-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1324-15-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2948-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2948-18-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads