agenttesla | 4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d

Analysis

max time kernel
94s
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
25/12/2024, 17:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe
Size

35KB
MD5

a900d48a5322b8d9f7e20bd1f0743335
SHA1

f92d4f5a1c9a640a0414226c9b4bbc85673215e9
SHA256

4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d
SHA512

293d1dd6cbefa4e178b6d0f8a6eb6548e4630cdc8e7751340ecec2bb1d3bbce76c4bc1088ece5d02fcc11383b215fa8585c23d80de7c98a4d3a825899a34526d
SSDEEP

384:XZirz04kYcm5oRVPUn30CDG1iZMJSalHXeqZhsWIgDWsjxZUtO4f54A6:Mi+5uVPUn30gGEZQH5SAXJ4f54A6

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	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe

Executes dropped EXE 1 IoCs

pid	Process
1200	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"	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3716-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000f000000023bbf-7.dat	upx
behavioral2/memory/3716-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/1200-17-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\system.exe	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.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	system.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3716	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe
1200	system.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3716 wrote to memory of 1200	3716	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe	83
PID 3716 wrote to memory of 1200	3716	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe	83
PID 3716 wrote to memory of 1200	3716	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe	83

C:\Users\Admin\AppData\Local\Temp\4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe
"C:\Users\Admin\AppData\Local\Temp\4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.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:3716
- C:\WINDOWS\system.exe
  "C:\WINDOWS\system.exe" 0
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1200

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\system.exe

Filesize
35KB

MD5
049f44106fa05569638ee58d2d8791d5

SHA1
51ed862ead3a14adf4e41df00af694fba6320d0f

SHA256
9addfa47b2e4f2d63d4d266ce0f2a2e4daa11fc165d4059aa09154d122b38f94

SHA512
4f6c3ab3fb1abed0459f2982524e2988131696bdf14cdadcf6cf2302b1bcce5237c1f9d2ef48aece1155413c743e5104850d7a8b0939a42d2915c017c1a05fb4

Download Submit
memory/1200-17-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3716-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3716-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads