agenttesla | 608bfdfda2da2ae16a591935cae960dd3f3a3b044c8902d3593c483afdbc036c

General

Target

QUOTE 002242020.exe
Size

2.1MB
MD5

bdbfa33c09b950889d9fc19954f20935
SHA1

d9c6cf2322734d49a1c479ff31d044ccef2f739e
SHA256

51558f41331f2345cd146dc9705f48e8a6fdc425e6744658ff2ea53d42d34ae6
SHA512

5ab3679f6c523a4a5d73678461f5089713b06fde01d59d42e2ca728d7723af01d135eba0737bf1606f105bb0a64573807cc687b8f4ba0666f4678948f1ae6fa7

Score

10^/10

agenttesla collection evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.parshavayealborz.com
Port:
587
Username:
[email protected]
Password:
P@rshava123456

Signatures

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

AgentTesla Payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/4424-142-0x0000000000400000-0x0000000000452000-memory.dmp	family_agenttesla

Disables Task Manager via registry modification
evasion
Drops file in Drivers directory 1 IoCs

Processes:

MSBuild.exe

description ioc process

File opened for modification C:\Windows\system32\drivers\etc\hosts MSBuild.exe

description	ioc	process
File opened for modification	C:\Windows\system32\drivers\etc\hosts	MSBuild.exe

Drops startup file 1 IoCs

Processes:

RegSvcs.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\ReAgentc.url	RegSvcs.exe

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

MSBuild.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CpSnJ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\CpSnJ\\CpSnJ.exe"	MSBuild.exe

AutoIT Executable 4 IoCs

AutoIT scripts compiled to PE executables.

Processes:

resource	yara_rule
behavioral2/memory/4884-137-0x0000000000400000-0x0000000000579000-memory.dmp	autoit_exe
behavioral2/memory/4884-138-0x0000000000400000-0x0000000000579000-memory.dmp	autoit_exe
behavioral2/memory/4884-139-0x0000000000400000-0x0000000000579000-memory.dmp	autoit_exe
behavioral2/memory/4884-140-0x0000000000400000-0x0000000000579000-memory.dmp	autoit_exe

Suspicious use of SetThreadContext 3 IoCs

Processes:

QUOTE 002242020.exeRegSvcs.exeRegSvcs.exe

description	pid	process	target process
PID 392 set thread context of 2100	392	QUOTE 002242020.exe	RegSvcs.exe
PID 2100 set thread context of 4884	2100	RegSvcs.exe	RegSvcs.exe
PID 4884 set thread context of 4424	4884	RegSvcs.exe	MSBuild.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry
T1112

Processes:

REG.exe

pid process

548 REG.exe

pid	process
548	REG.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

Processes:

MSBuild.exeRegSvcs.exe

pid	process
4424	MSBuild.exe
4424	MSBuild.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 4424 MSBuild.exe
Suspicious use of FindShellTrayWindow 4 IoCs

Processes:

RegSvcs.exe

pid process

4884 RegSvcs.exe
4884 RegSvcs.exe
4884 RegSvcs.exe
4884 RegSvcs.exe
Suspicious use of SendNotifyMessage 4 IoCs

Processes:

RegSvcs.exe

pid process

4884 RegSvcs.exe
4884 RegSvcs.exe
4884 RegSvcs.exe
4884 RegSvcs.exe

description	pid	process
Token: SeDebugPrivilege	4424	MSBuild.exe

pid	process
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe

pid	process
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe
4884	RegSvcs.exe

Suspicious use of WriteProcessMemory 29 IoCs

Processes:

QUOTE 002242020.exeRegSvcs.exeRegSvcs.exeMSBuild.exe

description	pid	process	target process
PID 392 wrote to memory of 2100	392	QUOTE 002242020.exe	RegSvcs.exe
PID 392 wrote to memory of 2100	392	QUOTE 002242020.exe	RegSvcs.exe
PID 392 wrote to memory of 2100	392	QUOTE 002242020.exe	RegSvcs.exe
PID 392 wrote to memory of 2100	392	QUOTE 002242020.exe	RegSvcs.exe
PID 392 wrote to memory of 2100	392	QUOTE 002242020.exe	RegSvcs.exe
PID 392 wrote to memory of 2100	392	QUOTE 002242020.exe	RegSvcs.exe
PID 392 wrote to memory of 2100	392	QUOTE 002242020.exe	RegSvcs.exe
PID 392 wrote to memory of 2100	392	QUOTE 002242020.exe	RegSvcs.exe
PID 2100 wrote to memory of 4884	2100	RegSvcs.exe	RegSvcs.exe
PID 2100 wrote to memory of 4884	2100	RegSvcs.exe	RegSvcs.exe
PID 2100 wrote to memory of 4884	2100	RegSvcs.exe	RegSvcs.exe
PID 2100 wrote to memory of 4884	2100	RegSvcs.exe	RegSvcs.exe
PID 2100 wrote to memory of 4884	2100	RegSvcs.exe	RegSvcs.exe
PID 2100 wrote to memory of 4884	2100	RegSvcs.exe	RegSvcs.exe
PID 2100 wrote to memory of 4884	2100	RegSvcs.exe	RegSvcs.exe
PID 2100 wrote to memory of 4884	2100	RegSvcs.exe	RegSvcs.exe
PID 2100 wrote to memory of 4884	2100	RegSvcs.exe	RegSvcs.exe
PID 2100 wrote to memory of 4884	2100	RegSvcs.exe	RegSvcs.exe
PID 4884 wrote to memory of 4424	4884	RegSvcs.exe	MSBuild.exe
PID 4884 wrote to memory of 4424	4884	RegSvcs.exe	MSBuild.exe
PID 4884 wrote to memory of 4424	4884	RegSvcs.exe	MSBuild.exe
PID 4884 wrote to memory of 4424	4884	RegSvcs.exe	MSBuild.exe
PID 4884 wrote to memory of 4424	4884	RegSvcs.exe	MSBuild.exe
PID 4424 wrote to memory of 548	4424	MSBuild.exe	REG.exe
PID 4424 wrote to memory of 548	4424	MSBuild.exe	REG.exe
PID 4424 wrote to memory of 548	4424	MSBuild.exe	REG.exe
PID 4424 wrote to memory of 3372	4424	MSBuild.exe	netsh.exe
PID 4424 wrote to memory of 3372	4424	MSBuild.exe	netsh.exe
PID 4424 wrote to memory of 3372	4424	MSBuild.exe	netsh.exe

outlook_office_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

outlook_win_path 1 IoCs

Processes:

MSBuild.exe

description	ioc	process
Key opened	\REGISTRY\USER\S-1-5-21-2632097139-1792035885-811742494-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\QUOTE 002242020.exe
"C:\Users\Admin\AppData\Local\Temp\QUOTE 002242020.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:392

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
2⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2100

C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
"{path}"
3⤵
- Drops startup file
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:4884

C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v4.0.30319\\\\MSBuild.exe"
4⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:4424

C:\Windows\SysWOW64\REG.exe
REG add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
5⤵
- Modifies registry key
PID:548

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
5⤵
PID:3372

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Lateral Movement

Collection

Email Collection

1

T1114

Exfiltration

Command and Control

Impact

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Downloads

memory/392-130-0x00000000007E0000-0x00000000009F4000-memory.dmp

Filesize
2.1MB

Download
memory/392-131-0x0000000005390000-0x000000000542C000-memory.dmp

Filesize
624KB

Download
memory/392-132-0x0000000005760000-0x00000000057F2000-memory.dmp

Filesize
584KB

Download
memory/392-133-0x0000000008D20000-0x00000000092C4000-memory.dmp

Filesize
5.6MB

Download
memory/548-150-0x0000000000000000-mapping.dmp

Download
memory/2100-134-0x0000000000000000-mapping.dmp

Download
memory/2100-135-0x0000000000400000-0x00000000005B2000-memory.dmp

Filesize
1.7MB

Download
memory/3372-152-0x0000000000000000-mapping.dmp

Download
memory/4424-149-0x0000000005FB0000-0x0000000006016000-memory.dmp

Filesize
408KB

Download
memory/4424-141-0x0000000000000000-mapping.dmp

Download
memory/4424-142-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/4424-151-0x0000000006B60000-0x0000000006BB0000-memory.dmp

Filesize
320KB

Download
memory/4424-153-0x0000000006DC0000-0x0000000006DCA000-memory.dmp

Filesize
40KB

Download
memory/4884-139-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/4884-140-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/4884-147-0x0000000003670000-0x0000000003707000-memory.dmp

Filesize
604KB

Download
memory/4884-148-0x0000000004390000-0x0000000004427000-memory.dmp

Filesize
604KB

Download
memory/4884-138-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/4884-137-0x0000000000400000-0x0000000000579000-memory.dmp

Filesize
1.5MB

Download
memory/4884-136-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads