agenttesla | cf99f114e53071f1814e884842256d161994d2ac2a195773afa68ec06c8a50d7

General

Target

ORIGINAL SCAN DOX.exe
Size

369KB
MD5

d8cca243bb4948a1d2671f6cc0b5167c
SHA1

f318f53fd9fe4a401e4243be9dbb6e556f8eda02
SHA256

cf99f114e53071f1814e884842256d161994d2ac2a195773afa68ec06c8a50d7
SHA512

6ccef1b5068aa12742edd429405ed29a6bd11e0ed562482635572fcdecad915598e527689574dbe9b2a7046e8055b522b268b0626f1e341da79039a353d221fe

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/968-61-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/968-62-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/968-63-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/968-64-0x000000000043762E-mapping.dmp	family_agenttesla
behavioral1/memory/968-65-0x0000000000400000-0x000000000043C000-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:

ORIGINAL SCAN DOX.exe

description pid process target process

PID 1540 set thread context of 968 1540 ORIGINAL SCAN DOX.exe RegSvcs.exe
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

ORIGINAL SCAN DOX.exeRegSvcs.exe

pid process

1540 ORIGINAL SCAN DOX.exe
1540 ORIGINAL SCAN DOX.exe
1540 ORIGINAL SCAN DOX.exe
1540 ORIGINAL SCAN DOX.exe
968 RegSvcs.exe
968 RegSvcs.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

ORIGINAL SCAN DOX.exeRegSvcs.exe

description pid process

Token: SeDebugPrivilege 1540 ORIGINAL SCAN DOX.exe
Token: SeDebugPrivilege 968 RegSvcs.exe

description	pid	process	target process
PID 1540 set thread context of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe

pid	process
1540	ORIGINAL SCAN DOX.exe
1540	ORIGINAL SCAN DOX.exe
1540	ORIGINAL SCAN DOX.exe
1540	ORIGINAL SCAN DOX.exe
968	RegSvcs.exe
968	RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	1540	ORIGINAL SCAN DOX.exe
Token: SeDebugPrivilege	968	RegSvcs.exe

Suspicious use of WriteProcessMemory 26 IoCs

Processes:

ORIGINAL SCAN DOX.exe

description	pid	process	target process
PID 1540 wrote to memory of 700	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 700	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 700	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 700	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 700	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 700	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 700	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 908	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 908	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 908	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 908	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 908	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 908	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 908	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.exe	RegSvcs.exe
PID 1540 wrote to memory of 968	1540	ORIGINAL SCAN DOX.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\ORIGINAL SCAN DOX.exe
"C:\Users\Admin\AppData\Local\Temp\ORIGINAL SCAN DOX.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1540

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:700

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
2⤵
PID:908

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:968

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/968-64-0x000000000043762E-mapping.dmp

Download
memory/968-59-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/968-60-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/968-61-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/968-62-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/968-63-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/968-65-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/968-67-0x00000000049D0000-0x00000000049D1000-memory.dmp

Filesize
4KB

Download
memory/968-68-0x00000000049D1000-0x00000000049D2000-memory.dmp

Filesize
4KB

Download
memory/1540-56-0x00000000007A0000-0x00000000007A7000-memory.dmp

Filesize
28KB

Download
memory/1540-57-0x0000000004A60000-0x0000000004A61000-memory.dmp

Filesize
4KB

Download
memory/1540-58-0x0000000004AA0000-0x0000000004AF8000-memory.dmp

Filesize
352KB

Download
memory/1540-54-0x0000000001000000-0x0000000001001000-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