agenttesla | 369a7731de6cd9b19a81591905150186097c002237a6d4c3c966ad449ff4ab30

General

Target

NOAH SEPTEMBER_crypted.exe
Size

537KB
MD5

48fbf3b3e6c295d69f79f7efbe62cacc
SHA1

0c214f6f4d78c3366d91acd70b5dced8bf5ae27d
SHA256

2434b60331e372fc347f46ac1ede21a078fc11ddea75c52679ab4c49cd3c12c7
SHA512

ff6b9c143f0a7ced5e0efdb8bda42f6828fe4962425f2aeb09b7959a437d307fbbd4278d5bc1a24670008a80e5805cd8f1a0e3a67948c62883d8d452d66c200f
SSDEEP

12288:svj9v2zv1ghpQBITcQFlU+HWtCzrkQxC:svo2zQVQFlU+2Azrr

Score

10^/10

agenttesla collection discovery keylogger spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
7*noaCk_l6G+

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1380-5-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4484 set thread context of 1380	4484	NOAH SEPTEMBER_crypted.exe	91

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	NOAH SEPTEMBER_crypted.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1380	RegSvcs.exe
1380	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1380	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4484 wrote to memory of 1380	4484	NOAH SEPTEMBER_crypted.exe	91
PID 4484 wrote to memory of 1380	4484	NOAH SEPTEMBER_crypted.exe	91
PID 4484 wrote to memory of 1380	4484	NOAH SEPTEMBER_crypted.exe	91
PID 4484 wrote to memory of 1380	4484	NOAH SEPTEMBER_crypted.exe	91
PID 4484 wrote to memory of 1380	4484	NOAH SEPTEMBER_crypted.exe	91
PID 4484 wrote to memory of 1380	4484	NOAH SEPTEMBER_crypted.exe	91
PID 4484 wrote to memory of 1380	4484	NOAH SEPTEMBER_crypted.exe	91
PID 4484 wrote to memory of 1380	4484	NOAH SEPTEMBER_crypted.exe	91

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2392887640-1187051047-2909758433-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\NOAH SEPTEMBER_crypted.exe
"C:\Users\Admin\AppData\Local\Temp\NOAH SEPTEMBER_crypted.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4484
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1380

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1380-8-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/1380-13-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/1380-12-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/1380-11-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/1380-7-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/1380-5-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1380-10-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4484-3-0x0000000074952000-0x0000000074953000-memory.dmp

Filesize
4KB

Download
memory/4484-9-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4484-4-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4484-0-0x0000000074952000-0x0000000074953000-memory.dmp

Filesize
4KB

Download
memory/4484-2-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download
memory/4484-1-0x0000000074950000-0x0000000074F01000-memory.dmp

Filesize
5.7MB

Download

Analysis

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