agenttesla | 51570858c6344222397c07cdca34251409d3f50c726024426fa1afee623d4189

General

Target
PO-2023831.exe
Size 878KB
Sample220623-eagrksecg6
SHA256 51570858c6344222397c07cdca34251409d3f50c726024426fa1afee623d4189
MD5 9712bab95cc28324a340f2dd2615565a
SHA1 5af6154a9d1b3dcf5a7bc32ae27a71270e61c56d
SHA512 4feec9f6b9130a63282de96f50196e636370b3dd22bfafcb0c8f6071611f44834ee2370a7acb1006ae5c8441363f83b5204afc5137f9c6feca81df055646bcfe
MD5 SHA1 SHA512

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5167639867:AAFp5rpwhccJwSR0NNRceLhFKcs218dT21U/sendDocument

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla

Drops file in Drivers directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows\CurrentVersion\Run\yqWDN = "C:\\Users\\Admin\\AppData\\Roaming\\yqWDN\\yqWDN.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1224 set thread context of 1368	1224	PO-2023831.exe	28

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1368	RegSvcs.exe
1368	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1368	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28
PID 1224 wrote to memory of 1368	1224	PO-2023831.exe	28

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-1083475884-596052423-1669053738-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\PO-2023831.exe
"C:\Users\Admin\AppData\Local\Temp\PO-2023831.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1368

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1224-54-0x0000000000040000-0x0000000000122000-memory.dmp

Download

memory/1224-55-0x0000000076531000-0x0000000076533000-memory.dmp

Download

memory/1224-56-0x00000000005F0000-0x00000000005FA000-memory.dmp

Download

memory/1224-57-0x00000000055E0000-0x000000000565A000-memory.dmp

Download

memory/1224-58-0x0000000002160000-0x000000000219A000-memory.dmp

Download

memory/1368-59-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/1368-60-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/1368-62-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/1368-63-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/1368-64-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/1368-67-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/1368-69-0x0000000000400000-0x000000000043A000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads