agenttesla | 6332ce856a353587019ae83e767a515552e4d7a36ac631ebc2c292185850b5d7

General

Target

4300008980.exe
Size

459KB
MD5

de8e80d61ed0665c6cfec2122e11d6c7
SHA1

97ca477c06676e1b72db3c38654f88f42b805866
SHA256

6332ce856a353587019ae83e767a515552e4d7a36ac631ebc2c292185850b5d7
SHA512

7268d9455636d92c776969e7dfc45fd453aa21f59b76a9d25499d8ebd3fdda829aebcc1b72e5afb50e6060bc7c3c200956e36fbe16be5177f70a4ad719928a9e

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:
sandra.hurm@voestallpine.com
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/1348-60-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1348-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1348-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1348-63-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral1/memory/1348-64-0x0000000000400000-0x000000000043C000-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:

4300008980.exe

description pid process target process

PID 1772 set thread context of 1348 1772 4300008980.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

4300008980.exeRegSvcs.exe

pid process

1772 4300008980.exe
1772 4300008980.exe
1348 RegSvcs.exe
1348 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

4300008980.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1772 4300008980.exe
Token: SeDebugPrivilege 1348 RegSvcs.exe

description	pid	process	target process
PID 1772 set thread context of 1348	1772	4300008980.exe	RegSvcs.exe

pid	process
1772	4300008980.exe
1772	4300008980.exe
1348	RegSvcs.exe
1348	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1772	4300008980.exe
Token: SeDebugPrivilege	1348	RegSvcs.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

4300008980.exe

description	pid	process	target process
PID 1772 wrote to memory of 1348	1772	4300008980.exe	RegSvcs.exe
PID 1772 wrote to memory of 1348	1772	4300008980.exe	RegSvcs.exe
PID 1772 wrote to memory of 1348	1772	4300008980.exe	RegSvcs.exe
PID 1772 wrote to memory of 1348	1772	4300008980.exe	RegSvcs.exe
PID 1772 wrote to memory of 1348	1772	4300008980.exe	RegSvcs.exe
PID 1772 wrote to memory of 1348	1772	4300008980.exe	RegSvcs.exe
PID 1772 wrote to memory of 1348	1772	4300008980.exe	RegSvcs.exe
PID 1772 wrote to memory of 1348	1772	4300008980.exe	RegSvcs.exe
PID 1772 wrote to memory of 1348	1772	4300008980.exe	RegSvcs.exe
PID 1772 wrote to memory of 1348	1772	4300008980.exe	RegSvcs.exe
PID 1772 wrote to memory of 1348	1772	4300008980.exe	RegSvcs.exe
PID 1772 wrote to memory of 1348	1772	4300008980.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\4300008980.exe
"C:\Users\Admin\AppData\Local\Temp\4300008980.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1772

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:1348

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

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Downloads

memory/1348-63-0x000000000043762E-mapping.dmp

Download
memory/1348-58-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1348-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1348-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1348-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1348-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1348-64-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1348-66-0x0000000004A90000-0x0000000004A91000-memory.dmp

Filesize
4KB

Download
memory/1348-67-0x0000000004A91000-0x0000000004A92000-memory.dmp

Filesize
4KB

Download
memory/1772-55-0x00000000073E0000-0x00000000073E1000-memory.dmp

Filesize
4KB

Download
memory/1772-56-0x0000000000510000-0x0000000000517000-memory.dmp

Filesize
28KB

Download
memory/1772-57-0x0000000000A10000-0x0000000000A68000-memory.dmp

Filesize
352KB

Download
memory/1772-53-0x0000000000C40000-0x0000000000C41000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads