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-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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-1-5-21-3751123196-3323558407-1869646069-1000\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 940 set thread context of 3596	940	PO-2023831.exe	91

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
940	PO-2023831.exe
940	PO-2023831.exe
3596	RegSvcs.exe
3596	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	940	PO-2023831.exe
Token: SeDebugPrivilege	3596	RegSvcs.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 940 wrote to memory of 4104	940	PO-2023831.exe	90
PID 940 wrote to memory of 4104	940	PO-2023831.exe	90
PID 940 wrote to memory of 4104	940	PO-2023831.exe	90
PID 940 wrote to memory of 3596	940	PO-2023831.exe	91
PID 940 wrote to memory of 3596	940	PO-2023831.exe	91
PID 940 wrote to memory of 3596	940	PO-2023831.exe	91
PID 940 wrote to memory of 3596	940	PO-2023831.exe	91
PID 940 wrote to memory of 3596	940	PO-2023831.exe	91
PID 940 wrote to memory of 3596	940	PO-2023831.exe	91
PID 940 wrote to memory of 3596	940	PO-2023831.exe	91
PID 940 wrote to memory of 3596	940	PO-2023831.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:940
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  PID:4104
- 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:3596

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

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Downloads

memory/940-130-0x0000000000450000-0x0000000000532000-memory.dmp

Download

memory/940-131-0x0000000005510000-0x0000000005AB4000-memory.dmp

Download

memory/940-132-0x0000000004F60000-0x0000000004FF2000-memory.dmp

Download

memory/940-133-0x0000000005000000-0x000000000509C000-memory.dmp

Download

memory/940-134-0x0000000004EF0000-0x0000000004EFA000-memory.dmp

Download

memory/3596-137-0x0000000000400000-0x000000000043A000-memory.dmp

Download

memory/3596-138-0x0000000005EA0000-0x0000000005F06000-memory.dmp

Download

memory/3596-139-0x00000000064E0000-0x0000000006530000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads