agenttesla | 4c0efa3fe44849d5405a515cbd3e89c5b72280d2cc378a05c704de4a5ec79147

General

Target

7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe
Size

372KB
MD5

b9b1a4892fbdf335918eca0ee1cb98c6
SHA1

7b4a56e63341d38dfa0ee54399afe2e233a62bd7
SHA256

4c0efa3fe44849d5405a515cbd3e89c5b72280d2cc378a05c704de4a5ec79147
SHA512

61d76e74a4875d29f8b5fce950ebffbc56e995557c65e3894262dd5703ea22c744f5c05b7f23880ccb453d980c80d7f05ba0df71d121e9d4edf29e96b900d2a1

Score

10^/10

agenttesla collection keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
us2.smtp.mailhostbox.com
Port:
587
Username:
[email protected]
Password:
project2021blessing

Signatures

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

AgentTesla Payload 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1244-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1244-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1244-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1244-64-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral1/memory/1244-65-0x0000000000400000-0x000000000043C000-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

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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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

Processes:

RegSvcs.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows\CurrentVersion\Run\NXLun = "C:\\Users\\Admin\\AppData\\Roaming\\NXLun\\NXLun.exe"	RegSvcs.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe

description pid process target process

PID 1528 set thread context of 1244 1528 7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exeRegSvcs.exe

pid process

1528 7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe
1528 7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe
1244 RegSvcs.exe
1244 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1528 7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe
Token: SeDebugPrivilege 1244 RegSvcs.exe

description	pid	process	target process
PID 1528 set thread context of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe

pid	process
1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe
1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe
1244	RegSvcs.exe
1244	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe
Token: SeDebugPrivilege	1244	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe

description	pid	process	target process
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe
PID 1528 wrote to memory of 1244	1528	7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe	RegSvcs.exe

outlook_office_path 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-3456797065-1076791440-4146276586-1000\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-1-5-21-3456797065-1076791440-4146276586-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	RegSvcs.exe

C:\Users\Admin\AppData\Local\Temp\7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe
"C:\Users\Admin\AppData\Local\Temp\7b4a56e63341d38dfa0ee54399afe2e233a62bd7.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1528
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - outlook_office_path
  - outlook_win_path
  PID:1244

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/1244-64-0x000000000043762E-mapping.dmp

Download
memory/1244-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1244-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1244-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1244-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1244-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1244-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1244-67-0x0000000004960000-0x0000000004961000-memory.dmp

Filesize
4KB

Download
memory/1244-68-0x0000000004961000-0x0000000004962000-memory.dmp

Filesize
4KB

Download
memory/1528-56-0x00000000007F0000-0x00000000007F7000-memory.dmp

Filesize
28KB

Download
memory/1528-57-0x0000000004A20000-0x0000000004A21000-memory.dmp

Filesize
4KB

Download
memory/1528-58-0x00000000042F0000-0x0000000004348000-memory.dmp

Filesize
352KB

Download
memory/1528-54-0x0000000000190000-0x0000000000191000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads