agenttesla | 9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8

General

Target

9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe
Size

478KB
MD5

84205b27ef7b09d1c14730cbe5bc644e
SHA1

c075e1ab7b246c09c79df38839a36796a64c5719
SHA256

9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8
SHA512

1bbe3a2145ad0650ab2976479a7bc452d9c06f876815d2e2543fc44d1136518cc915c6582ac6ad70cc1480939935a4f76bddc94a7f700492344e3bc27e796b76
SSDEEP

6144:l6Uqd2GhN0hoFA8YB+yqV2ax7D4AFc7xooWm3lLcLctuW6Gt6MTZ7e65oq/t9ch/:cUi2iNqoC8xrMANWLcu2wZy6XS/kq+u

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
sg2plcpnl0023.prod.sin2.secureserver.net
Port:
587
Username:
[email protected]
Password:
User@40378

Signatures

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

AgentTesla payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4748-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

Processes:

RegSvcs.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts RegSvcs.exe
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

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

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe

description	pid	process	target process
PID 3556 set thread context of 4748	3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe	RegSvcs.exe

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

Processes:

9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exeRegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exeRegSvcs.exe

pid	process
3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe
3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe
4748	RegSvcs.exe
4748	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exeRegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe
Token: SeDebugPrivilege	4748	RegSvcs.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe

description	pid	process	target process
PID 3556 wrote to memory of 4748	3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe	RegSvcs.exe
PID 3556 wrote to memory of 4748	3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe	RegSvcs.exe
PID 3556 wrote to memory of 4748	3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe	RegSvcs.exe
PID 3556 wrote to memory of 4748	3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe	RegSvcs.exe
PID 3556 wrote to memory of 4748	3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe	RegSvcs.exe
PID 3556 wrote to memory of 4748	3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe	RegSvcs.exe
PID 3556 wrote to memory of 4748	3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe	RegSvcs.exe
PID 3556 wrote to memory of 4748	3556	9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe
"C:\Users\Admin\AppData\Local\Temp\9cd6d14a5254897728ad190b51b1b370c64aa9756552176fcd75b59949846ee8.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3556
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Drops file in Drivers directory
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:4748

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Email Collection

1

T1114

Command and Control

Exfiltration

Impact

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Downloads

memory/3556-10-0x0000000005F20000-0x0000000005F80000-memory.dmp

Filesize
384KB

Download
memory/3556-5-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/3556-0-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/3556-14-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/3556-3-0x0000000004EF0000-0x0000000004F82000-memory.dmp

Filesize
584KB

Download
memory/3556-4-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

Filesize
40KB

Download
memory/3556-6-0x00000000053F0000-0x00000000053FE000-memory.dmp

Filesize
56KB

Download
memory/3556-7-0x0000000074F7E000-0x0000000074F7F000-memory.dmp

Filesize
4KB

Download
memory/3556-8-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/3556-9-0x0000000005CD0000-0x0000000005D6C000-memory.dmp

Filesize
624KB

Download
memory/3556-2-0x0000000005580000-0x0000000005B24000-memory.dmp

Filesize
5.6MB

Download
memory/3556-1-0x0000000000480000-0x00000000004FE000-memory.dmp

Filesize
504KB

Download
memory/4748-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/4748-15-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4748-13-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4748-16-0x0000000004FB0000-0x0000000004FC8000-memory.dmp

Filesize
96KB

Download
memory/4748-17-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/4748-18-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4748-19-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download
memory/4748-22-0x00000000061C0000-0x0000000006210000-memory.dmp

Filesize
320KB

Download
memory/4748-23-0x0000000074F70000-0x0000000075720000-memory.dmp

Filesize
7.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads