agenttesla | 9da867d7389572ebc80385d6d6bff96c351f5ef3036636c3ce5778ab06ce653d

General

Target

DO2001399_pdf.exe

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Signatures

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

AgentTesla Payload 3 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1468-10-0x0000000000400000-0x000000000044C000-memory.dmp	family_agenttesla
behavioral1/memory/1468-11-0x0000000000446C9E-mapping.dmp	family_agenttesla
behavioral1/memory/1468-13-0x0000000000400000-0x000000000044C000-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

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

DO2001399_pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Windows\CurrentVersion\Run\NewApp = "C:\\Users\\Admin\\AppData\\Roaming\\NewApp\\NewApp.exe"	DO2001399_pdf.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 12 IoCs

Processes:

DO2001399_pdf.exe

pid	process
292	DO2001399_pdf.exe
292	DO2001399_pdf.exe
292	DO2001399_pdf.exe
292	DO2001399_pdf.exe
292	DO2001399_pdf.exe
292	DO2001399_pdf.exe
292	DO2001399_pdf.exe
292	DO2001399_pdf.exe
292	DO2001399_pdf.exe
292	DO2001399_pdf.exe
292	DO2001399_pdf.exe
292	DO2001399_pdf.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

DO2001399_pdf.exe

description pid process target process

PID 292 set thread context of 1468 292 DO2001399_pdf.exe DO2001399_pdf.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

332 timeout.exe
Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

DO2001399_pdf.exeDO2001399_pdf.exe

pid process

292 DO2001399_pdf.exe
292 DO2001399_pdf.exe
292 DO2001399_pdf.exe
1468 DO2001399_pdf.exe
1468 DO2001399_pdf.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

DO2001399_pdf.exeDO2001399_pdf.exe

description pid process

Token: SeDebugPrivilege 292 DO2001399_pdf.exe
Token: SeDebugPrivilege 1468 DO2001399_pdf.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

DO2001399_pdf.exe

pid process

1468 DO2001399_pdf.exe

description	pid	process	target process
PID 292 set thread context of 1468	292	DO2001399_pdf.exe	DO2001399_pdf.exe

pid	process
332	timeout.exe

description	pid	process
Token: SeDebugPrivilege	292	DO2001399_pdf.exe
Token: SeDebugPrivilege	1468	DO2001399_pdf.exe

pid	process
1468	DO2001399_pdf.exe

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

DO2001399_pdf.execmd.exe

description	pid	process	target process
PID 292 wrote to memory of 1696	292	DO2001399_pdf.exe	cmd.exe
PID 292 wrote to memory of 1696	292	DO2001399_pdf.exe	cmd.exe
PID 292 wrote to memory of 1696	292	DO2001399_pdf.exe	cmd.exe
PID 292 wrote to memory of 1696	292	DO2001399_pdf.exe	cmd.exe
PID 1696 wrote to memory of 332	1696	cmd.exe	timeout.exe
PID 1696 wrote to memory of 332	1696	cmd.exe	timeout.exe
PID 1696 wrote to memory of 332	1696	cmd.exe	timeout.exe
PID 1696 wrote to memory of 332	1696	cmd.exe	timeout.exe
PID 292 wrote to memory of 1468	292	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 292 wrote to memory of 1468	292	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 292 wrote to memory of 1468	292	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 292 wrote to memory of 1468	292	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 292 wrote to memory of 1468	292	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 292 wrote to memory of 1468	292	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 292 wrote to memory of 1468	292	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 292 wrote to memory of 1468	292	DO2001399_pdf.exe	DO2001399_pdf.exe
PID 292 wrote to memory of 1468	292	DO2001399_pdf.exe	DO2001399_pdf.exe

C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:292

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c timeout 1
2⤵
- Suspicious use of WriteProcessMemory
PID:1696

C:\Windows\SysWOW64\timeout.exe
timeout 1
3⤵
- Delays execution with timeout.exe
PID:332

C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe
"C:\Users\Admin\AppData\Local\Temp\DO2001399_pdf.exe"
2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1468

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

1

T1112

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

Impact

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Downloads

memory/292-2-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/292-3-0x0000000000DF0000-0x0000000000DF1000-memory.dmp

Filesize
4KB

Download
memory/292-5-0x0000000076861000-0x0000000076863000-memory.dmp

Filesize
8KB

Download
memory/292-6-0x0000000004700000-0x0000000004701000-memory.dmp

Filesize
4KB

Download
memory/292-7-0x00000000004B0000-0x0000000000506000-memory.dmp

Filesize
344KB

Download
memory/332-9-0x0000000000000000-mapping.dmp

Download
memory/1468-10-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1468-11-0x0000000000446C9E-mapping.dmp

Download
memory/1468-12-0x00000000748A0000-0x0000000074F8E000-memory.dmp

Filesize
6.9MB

Download
memory/1468-13-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1468-15-0x0000000004D10000-0x0000000004D11000-memory.dmp

Filesize
4KB

Download
memory/1468-16-0x0000000004D11000-0x0000000004D12000-memory.dmp

Filesize
4KB

Download
memory/1696-8-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads