agenttesla | 5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8

Analysis

max time kernel
96s
max time network
103s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
25-09-2024 17:32

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General

Target

5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8N.exe
Size

35KB
MD5

5c4c6880f93b58fe59fb1bee1c556380
SHA1

b7c9b337ab5f89c81006aad1e5abcb7486b1e646
SHA256

5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8
SHA512

05e12f068bbd32c85eb740f83e4dc178db49b218bdc9d748beac7c5a3f94f648f3f1b8eb2c4f8e53d3cf0ea7452ef26647a39396b5e0ed8778e07ac16b1b4f1c
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

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-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation	5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8N.exe

Executes dropped EXE 1 IoCs

pid	Process
552	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"	5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8N.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1340-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023458-7.dat	upx
behavioral2/memory/1340-15-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/552-17-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\system.exe	5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8N.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	5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1340	5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8N.exe
552	system.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1340 wrote to memory of 552	1340	5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8N.exe	82
PID 1340 wrote to memory of 552	1340	5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8N.exe	82
PID 1340 wrote to memory of 552	1340	5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8N.exe	82

C:\Users\Admin\AppData\Local\Temp\5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8N.exe
"C:\Users\Admin\AppData\Local\Temp\5876cfa9e9c72409289708507dd21d3957b234d652b24cf790180bdd378668a8N.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:1340
- C:\WINDOWS\system.exe
  "C:\WINDOWS\system.exe" 0
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:552

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
207de9c50b8d0f4032bb23813df8b10a

SHA1
8f104bd296f5e3549837a5c970b6600db0100a23

SHA256
320804df4646be448f6717a4effcef8de18fcb86e20e2d52f79b95c94a06532a

SHA512
2fa8ca25655fd0972766cb10184ebb22356998cfe8b8ac742d6742478e64d5abe69718323f88bc5415ac3707264a0ab8cdf47d7c54b4374b827232dbf16e804e

Download Submit
memory/552-17-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1340-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1340-15-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads