agenttesla | d846912135d84580a51b7304ac088a59fad4708b6193e25a8dfd6e515164976c

General

Target

FedExi jälgimisandmed-pdf.exe
Size

1.4MB
MD5

1150b9a59ef934775c16bdf0a3358540
SHA1

064a2d5aaa8481862d561019eb1aea04fdcf58cf
SHA256

d846912135d84580a51b7304ac088a59fad4708b6193e25a8dfd6e515164976c
SHA512

d484cd4681a57561333f5990561d67ea4aa7788cb84039714ed365bfa4d2ef217646427c0ceae52d7ed5c23fc26868c0ec2dee316a63b343cc6ba9c27293866e

Score

10^/10

spyware persistence keylogger trojan stealer agenttesla

Malware Config

Signatures

Suspicious use of SetThreadContext 1 IoCs

Processes:

FedExi jälgimisandmed-pdf.exe

description pid process target process

PID 1464 set thread context of 1496 1464 FedExi jälgimisandmed-pdf.exe MSBuild.exe
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
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

FedExi jälgimisandmed-pdf.exe

pid process

1464 FedExi jälgimisandmed-pdf.exe
1464 FedExi jälgimisandmed-pdf.exe
1464 FedExi jälgimisandmed-pdf.exe
Suspicious use of SendNotifyMessage 3 IoCs

Processes:

FedExi jälgimisandmed-pdf.exe

pid process

1464 FedExi jälgimisandmed-pdf.exe
1464 FedExi jälgimisandmed-pdf.exe
1464 FedExi jälgimisandmed-pdf.exe

description	pid	process	target process
PID 1464 set thread context of 1496	1464	FedExi jälgimisandmed-pdf.exe	MSBuild.exe

pid	process
1464	FedExi jälgimisandmed-pdf.exe
1464	FedExi jälgimisandmed-pdf.exe
1464	FedExi jälgimisandmed-pdf.exe

pid	process
1464	FedExi jälgimisandmed-pdf.exe
1464	FedExi jälgimisandmed-pdf.exe
1464	FedExi jälgimisandmed-pdf.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

FedExi jälgimisandmed-pdf.exeMSBuild.exe

description	pid	process	target process
PID 1464 wrote to memory of 1496	1464	FedExi jälgimisandmed-pdf.exe	MSBuild.exe
PID 1464 wrote to memory of 1496	1464	FedExi jälgimisandmed-pdf.exe	MSBuild.exe
PID 1464 wrote to memory of 1496	1464	FedExi jälgimisandmed-pdf.exe	MSBuild.exe
PID 1464 wrote to memory of 1496	1464	FedExi jälgimisandmed-pdf.exe	MSBuild.exe
PID 1464 wrote to memory of 1496	1464	FedExi jälgimisandmed-pdf.exe	MSBuild.exe
PID 1464 wrote to memory of 1496	1464	FedExi jälgimisandmed-pdf.exe	MSBuild.exe
PID 1496 wrote to memory of 1700	1496	MSBuild.exe	netsh.exe
PID 1496 wrote to memory of 1700	1496	MSBuild.exe	netsh.exe
PID 1496 wrote to memory of 1700	1496	MSBuild.exe	netsh.exe
PID 1496 wrote to memory of 1700	1496	MSBuild.exe	netsh.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

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 AdjustPrivilegeToken 1 IoCs

Processes:

MSBuild.exe

description pid process

Token: SeDebugPrivilege 1496 MSBuild.exe
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

MSBuild.exe

pid process

1496 MSBuild.exe
1496 MSBuild.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

description	pid	process
Token: SeDebugPrivilege	1496	MSBuild.exe

pid	process
1496	MSBuild.exe
1496	MSBuild.exe

C:\Users\Admin\AppData\Local\Temp\FedExi jälgimisandmed-pdf.exe
"C:\Users\Admin\AppData\Local\Temp\FedExi jälgimisandmed-pdf.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1464

C:\Windows\Microsoft.NET\Framework\v2.0.50727\MSBuild.exe
"C:\\\\Windows\\\\Microsoft.NET\\\\Framework\\\\v2.0.50727\\\\MSBuild.exe"
2⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
PID:1496

C:\Windows\SysWOW64\netsh.exe
"netsh" wlan show profile
3⤵
- Modifies service
PID:1700

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/1496-0-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1496-1-0x000000000044CBFE-mapping.dmp

Download
memory/1496-2-0x0000000000400000-0x0000000000452000-memory.dmp

Filesize
328KB

Download
memory/1700-3-0x0000000000000000-mapping.dmp

Download

Analysis

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