agenttesla | 80a52385f8f47d5ff195f29a6dc0288985d392ea4b76acc6c18320fd6ecfbf5a

General

Target
Port Inquiry 34009294342.xls.exe
Size 210KB
Sample200930-mbdmn8798a
SHA256 80a52385f8f47d5ff195f29a6dc0288985d392ea4b76acc6c18320fd6ecfbf5a
MD5 ea931a896a1f5400337c6b4348ec0382
SHA1 95004b63b238ebde830884aa5fb636dae54e28d2
SHA512 ed35f0ce3786ed05f9091b39d43d06f0ac5e3383687eab81ac9c4a8bebbcfedabb3391609e483a1d6ba91f65e1ec6c6eb68a9d2bd1650c057c315d22beef5097
MD5 SHA1 SHA512

Score

10^/10

agenttesla keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol
smtp
Host
smtp.stevenlkornsteinlawfirm.com
Port
587
Username
[email protected]
Password
T:gr:A2t{7ai

Signatures

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

AgentTesla Payload 4 IoCs

resource	yara_rule
behavioral1/memory/1976-5-0x0000000000400000-0x0000000000436000-memory.dmp	family_agenttesla
behavioral1/memory/1976-6-0x000000000043191E-mapping.dmp	family_agenttesla
behavioral1/memory/1976-7-0x0000000000400000-0x0000000000436000-memory.dmp	family_agenttesla
behavioral1/memory/1976-8-0x0000000000400000-0x0000000000436000-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

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2090973689-680783404-4292415065-1000\Software\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe"	Port Inquiry 34009294342.xls.exe

Suspicious use of NtSetInformationThreadHideFromDebugger 11 IoCs

pid	Process
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1452 set thread context of 1976	1452	Port Inquiry 34009294342.xls.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2004	1452	WerFault.exe	23

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1520	timeout.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13	Port Inquiry 34009294342.xls.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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	Port Inquiry 34009294342.xls.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe
1452	Port Inquiry 34009294342.xls.exe
1976	Port Inquiry 34009294342.xls.exe
1976	Port Inquiry 34009294342.xls.exe
2004	WerFault.exe
2004	WerFault.exe
2004	WerFault.exe
2004	WerFault.exe
2004	WerFault.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1452	Port Inquiry 34009294342.xls.exe
Token: SeDebugPrivilege	1976	Port Inquiry 34009294342.xls.exe
Token: SeDebugPrivilege	2004	WerFault.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1976	Port Inquiry 34009294342.xls.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 1452 wrote to memory of 1520	1452	Port Inquiry 34009294342.xls.exe	25
PID 1452 wrote to memory of 1520	1452	Port Inquiry 34009294342.xls.exe	25
PID 1452 wrote to memory of 1520	1452	Port Inquiry 34009294342.xls.exe	25
PID 1452 wrote to memory of 1520	1452	Port Inquiry 34009294342.xls.exe	25
PID 1452 wrote to memory of 1976	1452	Port Inquiry 34009294342.xls.exe	30
PID 1452 wrote to memory of 1976	1452	Port Inquiry 34009294342.xls.exe	30
PID 1452 wrote to memory of 1976	1452	Port Inquiry 34009294342.xls.exe	30
PID 1452 wrote to memory of 1976	1452	Port Inquiry 34009294342.xls.exe	30
PID 1452 wrote to memory of 1976	1452	Port Inquiry 34009294342.xls.exe	30
PID 1452 wrote to memory of 1976	1452	Port Inquiry 34009294342.xls.exe	30
PID 1452 wrote to memory of 1976	1452	Port Inquiry 34009294342.xls.exe	30
PID 1452 wrote to memory of 1976	1452	Port Inquiry 34009294342.xls.exe	30
PID 1452 wrote to memory of 1976	1452	Port Inquiry 34009294342.xls.exe	30
PID 1452 wrote to memory of 2004	1452	Port Inquiry 34009294342.xls.exe	31
PID 1452 wrote to memory of 2004	1452	Port Inquiry 34009294342.xls.exe	31
PID 1452 wrote to memory of 2004	1452	Port Inquiry 34009294342.xls.exe	31
PID 1452 wrote to memory of 2004	1452	Port Inquiry 34009294342.xls.exe	31

C:\Users\Admin\AppData\Local\Temp\Port Inquiry 34009294342.xls.exe
"C:\Users\Admin\AppData\Local\Temp\Port Inquiry 34009294342.xls.exe"
1⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1452
- C:\Windows\SysWOW64\timeout.exe
  timeout 4
  2⤵
  - Delays execution with timeout.exe
  PID:1520
- C:\Users\Admin\AppData\Local\Temp\Port Inquiry 34009294342.xls.exe
  "C:\Users\Admin\AppData\Local\Temp\Port Inquiry 34009294342.xls.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:1976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1452 -s 1500
  2⤵
  - Program crash
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2004

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Install Root Certificate

Modify Registry

Credential Access

Credentials in Files

3

T1081

Discovery

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

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Downloads

memory/1452-0-0x0000000074AB0000-0x000000007519E000-memory.dmp

Download

memory/1452-1-0x0000000000F90000-0x0000000000F91000-memory.dmp

Download

memory/1452-4-0x0000000000B10000-0x0000000000B4F000-memory.dmp

Download

memory/1976-5-0x0000000000400000-0x0000000000436000-memory.dmp

Download

memory/1976-7-0x0000000000400000-0x0000000000436000-memory.dmp

Download

memory/1976-8-0x0000000000400000-0x0000000000436000-memory.dmp

Download

memory/1976-9-0x0000000074AB0000-0x000000007519E000-memory.dmp

Download

memory/2004-13-0x0000000001FB0000-0x0000000001FC1000-memory.dmp

Download

memory/2004-14-0x00000000025A0000-0x00000000025B1000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads