agenttesla | d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e

General

Target

d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe
Size

1.3MB
MD5

d612133b4cd0f2bfd599ad658b697238
SHA1

c841ec68cc18364c11b6f7cc1e89d978f1bfa257
SHA256

d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e
SHA512

e36b583d1478c6f4887dcafef2c638d57a1e6bf64b13d668cb0310f5f918444c7dc30a151288cf25d4557a70778f2b2ced22d7d0d8465cd28f8ada9108f03093
SSDEEP

24576:JOd/BYj0DdNMXpJEhNa/r+hb7Hv1RIAhjLoamMiX4lNmZg0YxegPbUIDPP:gBB92/2NCr8fBjLoyEkmZ9Y14

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 5 IoCs

resource	yara_rule
behavioral1/memory/2816-15-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2816-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2816-17-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2816-11-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/2816-12-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Drops file in Drivers directory 1 IoCs

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

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1740 set thread context of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30

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	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe
1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe
2816	RegSvcs.exe
2816	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe
Token: SeDebugPrivilege	2816	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30
PID 1740 wrote to memory of 2816	1740	d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe	30

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe
"C:\Users\Admin\AppData\Local\Temp\d08b24b295a82a4ca6160a16cb73f829fbb6c81093c41eb3e4e7be8c38eb7a1e.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1740
- 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:2816

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/1740-0-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1740-1-0x0000000000FC0000-0x000000000111A000-memory.dmp

Filesize
1.4MB

Download
memory/1740-2-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-3-0x0000000000290000-0x000000000029A000-memory.dmp

Filesize
40KB

Download
memory/1740-4-0x0000000074DCE000-0x0000000074DCF000-memory.dmp

Filesize
4KB

Download
memory/1740-5-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/1740-6-0x0000000005740000-0x00000000057C8000-memory.dmp

Filesize
544KB

Download
memory/1740-21-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-17-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-20-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-15-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2816-11-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-12-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-9-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-8-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2816-22-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-23-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-24-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-27-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download
memory/2816-28-0x0000000074DC0000-0x00000000754AE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads