agenttesla | 4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d

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

Executes dropped EXE 1 IoCs

pid	Process
2536	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 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1984-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00080000000160da-11.dat	upx
behavioral1/memory/2536-12-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/1984-15-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2536-16-0x0000000000400000-0x000000000040B000-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	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	system.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1984	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe
2536	system.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1984 wrote to memory of 2536	1984	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe	30
PID 1984 wrote to memory of 2536	1984	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe	30
PID 1984 wrote to memory of 2536	1984	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe	30
PID 1984 wrote to memory of 2536	1984	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe	30
PID 1984 wrote to memory of 2536	1984	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe	30
PID 1984 wrote to memory of 2536	1984	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe	30
PID 1984 wrote to memory of 2536	1984	4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe	30

C:\Users\Admin\AppData\Local\Temp\4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.exe
"C:\Users\Admin\AppData\Local\Temp\4e2c958833b1b0392a3469bdf4dbb004bbc564248aa70a75ce7a4feb57a2255d.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:1984
- C:\WINDOWS\system.exe
  "C:\WINDOWS\system.exe" 0
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2536

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Windows\system.exe

Filesize
35KB

MD5
049f44106fa05569638ee58d2d8791d5

SHA1
51ed862ead3a14adf4e41df00af694fba6320d0f

SHA256
9addfa47b2e4f2d63d4d266ce0f2a2e4daa11fc165d4059aa09154d122b38f94

SHA512
4f6c3ab3fb1abed0459f2982524e2988131696bdf14cdadcf6cf2302b1bcce5237c1f9d2ef48aece1155413c743e5104850d7a8b0939a42d2915c017c1a05fb4

Download Submit
memory/1984-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1984-2-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/1984-3-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/1984-4-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/1984-8-0x00000000007E0000-0x00000000007E9000-memory.dmp

Filesize
36KB

Download
memory/1984-15-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-12-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2536-16-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads