agenttesla | ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56

Analysis

max time kernel
93s
max time network
94s
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 16:52

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General

Target

ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe
Size

35KB
MD5

9ae685efdf4a33b7b452d74c14e033a0
SHA1

65a624966c7c3829a845a6646d7453b06d7d5618
SHA256

ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56
SHA512

fd9106bd7c84bb7a8421fb9561dfebeed235582662cffd6c5ec0347c9a3653671e6795e84a18e86b834aeb3bd127ab84cf83054d3c36b74c7e98f61d88b5d8d7
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	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe

Executes dropped EXE 1 IoCs

pid	Process
2776	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"	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3824-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023cae-7.dat	upx
behavioral2/memory/3824-14-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/memory/2776-17-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Windows directory 1 IoCs

description	ioc	Process
File opened for modification	C:\WINDOWS\system.exe	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.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	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3824	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe
2776	system.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3824 wrote to memory of 2776	3824	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe	83
PID 3824 wrote to memory of 2776	3824	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe	83
PID 3824 wrote to memory of 2776	3824	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe	83

C:\Users\Admin\AppData\Local\Temp\ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe
"C:\Users\Admin\AppData\Local\Temp\ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.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:3824
- C:\WINDOWS\system.exe
  "C:\WINDOWS\system.exe" 0
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2776

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
db4183f36ac7f52f3df8e6976d398fa0

SHA1
0be82aa6c5ed2a884a4e0065b31f3a89953823e5

SHA256
ed04c4c25fbe443ce084014b0defde86282004afbb00a8671f4ad808498776ba

SHA512
323a51a5a1848d7f4ae37ee3f575b410e02e51364ddbf5a16ed8cf7689c28f286b82b352cbd69d8125999202fcd8239772e9bcd6d6824d2803755fffd06583b3

Download Submit
memory/2776-17-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3824-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3824-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads