agenttesla | fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042ba

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

Executes dropped EXE 1 IoCs

pid	Process
2680	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 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2856-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0008000000016d24-10.dat	upx
behavioral1/memory/2856-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2680-14-0x0000000000400000-0x000000000040B000-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
2856	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe
2680	system.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2856 wrote to memory of 2680	2856	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe	31
PID 2856 wrote to memory of 2680	2856	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe	31
PID 2856 wrote to memory of 2680	2856	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe	31
PID 2856 wrote to memory of 2680	2856	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe	31
PID 2856 wrote to memory of 2680	2856	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe	31
PID 2856 wrote to memory of 2680	2856	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe	31
PID 2856 wrote to memory of 2680	2856	fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe	31

C:\Users\Admin\AppData\Local\Temp\fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe
"C:\Users\Admin\AppData\Local\Temp\fddf18936ed9329f4775613b351b8be88dc8a6efa3a01fda0a0d1dfaf18042baN.exe"
1⤵
- 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:2856
- C:\WINDOWS\system.exe
  "C:\WINDOWS\system.exe" 0
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2680

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

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/2680-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2856-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2856-2-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/2856-1-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/2856-7-0x00000000003F0000-0x00000000003F9000-memory.dmp

Filesize
36KB

Download
memory/2856-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads

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