agenttesla | b84beac430d5c3fd06f4a1016e305884689eba7596eea1d6ca8ffa2122f341ff

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28-09-2024 11:43

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General

Target

Quotation.exe
Size

440KB
MD5

0547c6fd5e4d632b87d2f9a3dbc88587
SHA1

022d3a644567f960a1fa692ed576a4aaf5ca72a0
SHA256

e25588ef7f6dc061277b4380dc1f9ad034f1eb74c254cd778fea2ab7fe1783ab
SHA512

bed9caa917ff25a5168017952b401f4688f0f04c0075442bcb95d891017293b403c42a1e6f43cea4fc6ee5e2e80ae90d4c19afc293283eb4e840bc8871878129
SSDEEP

12288:lmFQMGhfwkDlqSagxLFfK9YwxemjVaJW7Jt4:EFpGhfwura689YwEmjVeOt

Score

10^/10

agenttesla collection credential_access discovery execution keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.privateemail.com
Port:
587
Username:
[email protected]
Password:
MARYolanmauluogwo@ever

Signatures

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

AgentTesla payload 5 IoCs

resource	yara_rule
behavioral5/memory/2576-22-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2576-26-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2576-24-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2576-19-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla
behavioral5/memory/2576-18-0x0000000000400000-0x000000000043C000-memory.dmp	family_agenttesla

Beds Protector Packer 1 IoCs

Detects Beds Protector packer used to load .NET malware.

resource	yara_rule
behavioral5/memory/1560-3-0x0000000000AF0000-0x0000000000B5C000-memory.dmp	beds_protector

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe	Powershell.exe

Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
spyware stealer

Data from Local System
T1005

Credentials in Registry
T1552.002
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
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 stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003
Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
credential_access stealer

Credentials In Files
T1552.001

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\0rig40 = "C:\\Users\\Admin\\AppData\\Roaming\\0rig40\\0rig40.exe"	Quotation.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1560 set thread context of 2576	1560	Quotation.exe	33

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Using powershell.exe command.

execution

PowerShell

T1059.001

pid	Process
3036	Powershell.exe

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quotation.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Quotation.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
3036	Powershell.exe
2576	Quotation.exe
2576	Quotation.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	Powershell.exe
Token: SeDebugPrivilege	2576	Quotation.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2576	Quotation.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 3036	1560	Quotation.exe	31
PID 1560 wrote to memory of 3036	1560	Quotation.exe	31
PID 1560 wrote to memory of 3036	1560	Quotation.exe	31
PID 1560 wrote to memory of 3036	1560	Quotation.exe	31
PID 1560 wrote to memory of 2576	1560	Quotation.exe	33
PID 1560 wrote to memory of 2576	1560	Quotation.exe	33
PID 1560 wrote to memory of 2576	1560	Quotation.exe	33
PID 1560 wrote to memory of 2576	1560	Quotation.exe	33
PID 1560 wrote to memory of 2576	1560	Quotation.exe	33
PID 1560 wrote to memory of 2576	1560	Quotation.exe	33
PID 1560 wrote to memory of 2576	1560	Quotation.exe	33
PID 1560 wrote to memory of 2576	1560	Quotation.exe	33
PID 1560 wrote to memory of 2576	1560	Quotation.exe	33

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Quotation.exe

C:\Users\Admin\AppData\Local\Temp\Quotation.exe
"C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1560
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell.exe" -ExecutionPolicy Bypass -command Copy-Item 'C:\Users\Admin\AppData\Local\Temp\Quotation.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Drivers.exe'
  2⤵
  - Drops startup file
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3036
- C:\Users\Admin\AppData\Local\Temp\Quotation.exe
  "C:\Users\Admin\AppData\Local\Temp\Quotation.exe"
  2⤵
  - Accesses Microsoft Outlook profiles
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  - outlook_office_path
  - outlook_win_path
  PID:2576

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Credentials in Registry

T1552.002

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/1560-13-0x0000000000640000-0x0000000000656000-memory.dmp

Filesize
88KB

Download
memory/1560-1-0x0000000001310000-0x0000000001384000-memory.dmp

Filesize
464KB

Download
memory/1560-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/1560-3-0x0000000000AF0000-0x0000000000B5C000-memory.dmp

Filesize
432KB

Download
memory/1560-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/1560-27-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2576-20-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2576-19-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2576-16-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2576-14-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2576-18-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2576-22-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2576-24-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/2576-26-0x0000000000400000-0x000000000043C000-memory.dmp

Filesize
240KB

Download
memory/3036-7-0x000000006F000000-0x000000006F5AB000-memory.dmp

Filesize
5.7MB

Download
memory/3036-6-0x000000006F001000-0x000000006F002000-memory.dmp

Filesize
4KB

Download
memory/3036-9-0x000000006F000000-0x000000006F5AB000-memory.dmp

Filesize
5.7MB

Download
memory/3036-8-0x000000006F000000-0x000000006F5AB000-memory.dmp

Filesize
5.7MB

Download
memory/3036-12-0x000000006F000000-0x000000006F5AB000-memory.dmp

Filesize
5.7MB

Download
memory/3036-10-0x000000006F000000-0x000000006F5AB000-memory.dmp

Filesize
5.7MB

Download