agenttesla | 34b456c41cd342c8ac0cec6146b9c700289511061a7b4f21838f660368b2793b

General

Target

FedEx TRACKING DETAILS-pdf.exe
Size

1.5MB
MD5

691ba435d9fcfd46db14ad44db6b62f7
SHA1

00399fce73d68d2645fa8328cf1911e4291a7e6f
SHA256

34b456c41cd342c8ac0cec6146b9c700289511061a7b4f21838f660368b2793b
SHA512

91942ae081afe5099a0dbee801f712f3a8c73661ee6f116c1c63a0ead684701a516a8a619cc28bc5526c05a9cf3bfc28d7e25e51482ad7eee4d3b54945352242

Score

10^/10

spyware persistence keylogger trojan stealer agenttesla

Malware Config

Signatures

Suspicious use of SendNotifyMessage 3 IoCs

Processes:

FedEx TRACKING DETAILS-pdf.exe

pid process

1100 FedEx TRACKING DETAILS-pdf.exe
1100 FedEx TRACKING DETAILS-pdf.exe
1100 FedEx TRACKING DETAILS-pdf.exe
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
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

FedEx TRACKING DETAILS-pdf.exe

pid process

1100 FedEx TRACKING DETAILS-pdf.exe
1100 FedEx TRACKING DETAILS-pdf.exe
1100 FedEx TRACKING DETAILS-pdf.exe
Suspicious use of SetThreadContext 1 IoCs

Processes:

FedEx TRACKING DETAILS-pdf.exe

description pid process target process

PID 1100 set thread context of 1048 1100 FedEx TRACKING DETAILS-pdf.exe MSBuild.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1048 MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

1048 MSBuild.exe
1048 MSBuild.exe
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

pid	process
1100	FedEx TRACKING DETAILS-pdf.exe
1100	FedEx TRACKING DETAILS-pdf.exe
1100	FedEx TRACKING DETAILS-pdf.exe

pid	process
1100	FedEx TRACKING DETAILS-pdf.exe
1100	FedEx TRACKING DETAILS-pdf.exe
1100	FedEx TRACKING DETAILS-pdf.exe

description	pid	process	target process
PID 1100 set thread context of 1048	1100	FedEx TRACKING DETAILS-pdf.exe	MSBuild.exe

description	pid	process
Token: SeDebugPrivilege	1048	MSBuild.exe

pid	process
1048	MSBuild.exe
1048	MSBuild.exe

Modifies service 2 TTPs 5 IoCs

persistence

Modify Registry

T1112

Modify Existing Service

T1031

Processes:

netsh.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\Shas	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\Qecs	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\napagent\LocalConfig\UI	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\NapAgent\LocalConfig	netsh.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\napagent\LocalConfig\Enroll\HcsGroups	netsh.exe

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

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

FedEx TRACKING DETAILS-pdf.exeMSBuild.exe

description	pid	process	target process
PID 1100 wrote to memory of 1048	1100	FedEx TRACKING DETAILS-pdf.exe	MSBuild.exe
PID 1100 wrote to memory of 1048	1100	FedEx TRACKING DETAILS-pdf.exe	MSBuild.exe
PID 1100 wrote to memory of 1048	1100	FedEx TRACKING DETAILS-pdf.exe	MSBuild.exe
PID 1100 wrote to memory of 1048	1100	FedEx TRACKING DETAILS-pdf.exe	MSBuild.exe
PID 1100 wrote to memory of 1048	1100	FedEx TRACKING DETAILS-pdf.exe	MSBuild.exe
PID 1100 wrote to memory of 1048	1100	FedEx TRACKING DETAILS-pdf.exe	MSBuild.exe
PID 1048 wrote to memory of 1764	1048	MSBuild.exe	netsh.exe
PID 1048 wrote to memory of 1764	1048	MSBuild.exe	netsh.exe
PID 1048 wrote to memory of 1764	1048	MSBuild.exe	netsh.exe
PID 1048 wrote to memory of 1764	1048	MSBuild.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\FedEx TRACKING DETAILS-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\FedEx TRACKING DETAILS-pdf.exe"
1⤵
- Suspicious use of SendNotifyMessage
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1100

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1048

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
- Modifies service
PID:1764

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1048-0-0x0000000000080000-0x00000000000D2000-memory.dmp

Filesize
328KB

Download
memory/1048-1-0x0000000000080000-0x00000000000D2000-memory.dmp

Filesize
328KB

Download

Analysis

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