agenttesla | 440584979145865d0d4ed8eccb48f90699a2b0c6c6eef0c2162db0d42b1c0fdc

General

Target

0238-35-pdf.scr.exe
Size

3.0MB
MD5

9b91522e5b94de5ec962c882288671c5
SHA1

b16caef75e2c751eef2678aafbf2ed5facc9459e
SHA256

440584979145865d0d4ed8eccb48f90699a2b0c6c6eef0c2162db0d42b1c0fdc
SHA512

d09fab75ea65faa4b6f01c206c014db414d36728ae164478df6d5bb415bd15c1d8a9a62ace595d33927588cdb3a62c95269e23cfbc05d268a1b06f9a6d381b3d

Score

10^/10

agenttesla evasion keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.newviking.com.my
Port:
587
Username:
[email protected]
Password:
{&SgX:^(7m

Signatures

AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
keylogger trojan stealer spyware agenttesla
Modifies Windows Defender Real-time Protection settings 3 TTPs
evasion trojan

Modify Registry
T1112

Modify Existing Service
T1031

Disabling Security Tools
T1089
Windows security bypass 2 TTPs
evasion trojan

Disabling Security Tools
T1089

Modify Registry
T1112

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1804-48-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral1/memory/1804-49-0x000000000043763E-mapping.dmp	family_agenttesla
behavioral1/memory/1804-51-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
spyware

Data from Local System
T1005

Credentials in Files
T1081
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware

Data from Local System
T1005

Credentials in Files
T1081

Windows security modification 2 TTPs 8 IoCs

evasion trojan

Disabling Security Tools

T1089

Modify Registry

T1112

Processes:

0238-35-pdf.scr.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection	0238-35-pdf.scr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Real-Time Protection\DisableRealtimeMonitoring = "1"	0238-35-pdf.scr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Spynet\SubmitSamplesConsent = "0"	0238-35-pdf.scr.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features	0238-35-pdf.scr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Features\TamperProtection = "0"	0238-35-pdf.scr.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths	0238-35-pdf.scr.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions	0238-35-pdf.scr.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Local\Temp\0238-35-pdf.scr.exe = "0"	0238-35-pdf.scr.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

0238-35-pdf.scr.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-293278959-2699126792-324916226-1000\Software\Microsoft\Windows\CurrentVersion\Run\Administrator Rights = "C:\\Users\\Admin\\AppData\\Roaming\\Administrator Rights\\Administrator Rights.exe"	0238-35-pdf.scr.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102
Suspicious use of SetThreadContext 1 IoCs

Processes:

0238-35-pdf.scr.exe

description pid process target process

PID 1668 set thread context of 1804 1668 0238-35-pdf.scr.exe 0238-35-pdf.scr.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

powershell.exe0238-35-pdf.scr.exe

pid process

1656 powershell.exe
1656 powershell.exe
1804 0238-35-pdf.scr.exe
1804 0238-35-pdf.scr.exe
Suspicious behavior: RenamesItself 1 IoCs

Processes:

0238-35-pdf.scr.exe

pid process

1804 0238-35-pdf.scr.exe

description	pid	process	target process
PID 1668 set thread context of 1804	1668	0238-35-pdf.scr.exe	0238-35-pdf.scr.exe

pid	process
1656	powershell.exe
1656	powershell.exe
1804	0238-35-pdf.scr.exe
1804	0238-35-pdf.scr.exe

pid	process
1804	0238-35-pdf.scr.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

0238-35-pdf.scr.exepowershell.exe0238-35-pdf.scr.exe

description	pid	process
Token: SeDebugPrivilege	1668	0238-35-pdf.scr.exe
Token: SeDebugPrivilege	1656	powershell.exe
Token: SeDebugPrivilege	1804	0238-35-pdf.scr.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

0238-35-pdf.scr.exe

description	pid	process	target process
PID 1668 wrote to memory of 1656	1668	0238-35-pdf.scr.exe	powershell.exe
PID 1668 wrote to memory of 1656	1668	0238-35-pdf.scr.exe	powershell.exe
PID 1668 wrote to memory of 1656	1668	0238-35-pdf.scr.exe	powershell.exe
PID 1668 wrote to memory of 1656	1668	0238-35-pdf.scr.exe	powershell.exe
PID 1668 wrote to memory of 1804	1668	0238-35-pdf.scr.exe	0238-35-pdf.scr.exe
PID 1668 wrote to memory of 1804	1668	0238-35-pdf.scr.exe	0238-35-pdf.scr.exe
PID 1668 wrote to memory of 1804	1668	0238-35-pdf.scr.exe	0238-35-pdf.scr.exe
PID 1668 wrote to memory of 1804	1668	0238-35-pdf.scr.exe	0238-35-pdf.scr.exe
PID 1668 wrote to memory of 1804	1668	0238-35-pdf.scr.exe	0238-35-pdf.scr.exe
PID 1668 wrote to memory of 1804	1668	0238-35-pdf.scr.exe	0238-35-pdf.scr.exe
PID 1668 wrote to memory of 1804	1668	0238-35-pdf.scr.exe	0238-35-pdf.scr.exe
PID 1668 wrote to memory of 1804	1668	0238-35-pdf.scr.exe	0238-35-pdf.scr.exe
PID 1668 wrote to memory of 1804	1668	0238-35-pdf.scr.exe	0238-35-pdf.scr.exe

C:\Users\Admin\AppData\Local\Temp\0238-35-pdf.scr.exe
"C:\Users\Admin\AppData\Local\Temp\0238-35-pdf.scr.exe"
1⤵
- Windows security modification
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\0238-35-pdf.scr.exe" -Force
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1656

C:\Users\Admin\AppData\Local\Temp\0238-35-pdf.scr.exe
"C:\Users\Admin\AppData\Local\Temp\0238-35-pdf.scr.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
PID:1804

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

4

T1112

Disabling Security Tools

3

T1089

Credential Access

Credentials in Files

3

T1081

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Web Service

1

T1102

Impact

Replay Monitor

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Downloads

memory/1656-14-0x0000000002750000-0x0000000002751000-memory.dmp

Filesize
4KB

Download
memory/1656-46-0x00000000058E0000-0x00000000058E1000-memory.dmp

Filesize
4KB

Download
memory/1656-17-0x0000000005610000-0x0000000005611000-memory.dmp

Filesize
4KB

Download
memory/1656-22-0x0000000005670000-0x0000000005671000-memory.dmp

Filesize
4KB

Download
memory/1656-6-0x0000000000000000-mapping.dmp

Download
memory/1656-7-0x0000000074B31000-0x0000000074B33000-memory.dmp

Filesize
8KB

Download
memory/1656-8-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1656-9-0x0000000000980000-0x0000000000981000-memory.dmp

Filesize
4KB

Download
memory/1656-10-0x00000000048B0000-0x00000000048B1000-memory.dmp

Filesize
4KB

Download
memory/1656-11-0x0000000004870000-0x0000000004871000-memory.dmp

Filesize
4KB

Download
memory/1656-12-0x0000000004872000-0x0000000004873000-memory.dmp

Filesize
4KB

Download
memory/1656-13-0x0000000001080000-0x0000000001081000-memory.dmp

Filesize
4KB

Download
memory/1656-47-0x00000000058F0000-0x00000000058F1000-memory.dmp

Filesize
4KB

Download
memory/1656-35-0x000000007EF30000-0x000000007EF31000-memory.dmp

Filesize
4KB

Download
memory/1656-31-0x00000000055D0000-0x00000000055D1000-memory.dmp

Filesize
4KB

Download
memory/1656-23-0x0000000006290000-0x0000000006291000-memory.dmp

Filesize
4KB

Download
memory/1656-30-0x00000000057E0000-0x00000000057E1000-memory.dmp

Filesize
4KB

Download
memory/1668-3-0x0000000000880000-0x0000000000881000-memory.dmp

Filesize
4KB

Download
memory/1668-4-0x0000000004E60000-0x0000000004E61000-memory.dmp

Filesize
4KB

Download
memory/1668-5-0x0000000002230000-0x0000000002277000-memory.dmp

Filesize
284KB

Download
memory/1668-2-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1804-48-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1804-54-0x0000000004D71000-0x0000000004D72000-memory.dmp

Filesize
4KB

Download
memory/1804-49-0x000000000043763E-mapping.dmp

Download
memory/1804-50-0x0000000074110000-0x00000000747FE000-memory.dmp

Filesize
6.9MB

Download
memory/1804-51-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/1804-53-0x0000000004D70000-0x0000000004D71000-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