agenttesla | ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56

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

Executes dropped EXE 1 IoCs

pid	Process
2516	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
behavioral1/memory/1544-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000800000001707f-10.dat	upx
behavioral1/memory/1544-11-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/memory/2516-14-0x0000000000400000-0x000000000040B000-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
1544	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe
2516	system.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 2516	1544	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe	29
PID 1544 wrote to memory of 2516	1544	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe	29
PID 1544 wrote to memory of 2516	1544	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe	29
PID 1544 wrote to memory of 2516	1544	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe	29
PID 1544 wrote to memory of 2516	1544	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe	29
PID 1544 wrote to memory of 2516	1544	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe	29
PID 1544 wrote to memory of 2516	1544	ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe	29

C:\Users\Admin\AppData\Local\Temp\ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.exe
"C:\Users\Admin\AppData\Local\Temp\ff5e3bb8f76eae7317ad5ff1b46b04f4ac3a9c9437c7b983e6a8889c6d96ea56N.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:1544
- C:\WINDOWS\system.exe
  "C:\WINDOWS\system.exe" 0
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2516

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
db4183f36ac7f52f3df8e6976d398fa0

SHA1
0be82aa6c5ed2a884a4e0065b31f3a89953823e5

SHA256
ed04c4c25fbe443ce084014b0defde86282004afbb00a8671f4ad808498776ba

SHA512
323a51a5a1848d7f4ae37ee3f575b410e02e51364ddbf5a16ed8cf7689c28f286b82b352cbd69d8125999202fcd8239772e9bcd6d6824d2803755fffd06583b3

Download Submit
memory/1544-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1544-3-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/1544-2-0x0000000000020000-0x000000000002B000-memory.dmp

Filesize
44KB

Download
memory/1544-7-0x0000000000390000-0x0000000000399000-memory.dmp

Filesize
36KB

Download
memory/1544-11-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2516-14-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads