agenttesla | 6f0a01a329fd07fd8b435ca1b6f3e69c7b32e11fa145681d85fa244e97a1c3ca

Analysis

max time kernel
138s
max time network
52s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
24-09-2024 12:57

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General

Target

Proforma Invoice.exe
Size

708KB
MD5

ce283c28a7441d2197b14faad7eccb38
SHA1

805e2221564dda4603cb6975c1ac51cd50afa030
SHA256

ba9c641828f465a988c43c858463602faadc4bc688b5b58d9a80bd25fd45a4d6
SHA512

8d4659f08858799b2fc51d15887b562597c8cbc489bd5e44bf0dad1ff8ffbcfaa537b6a41b5150cca3e0792c5836574ac251ebe76741c60c7ba2858d08b79d5e
SSDEEP

12288:AEGPYMScPFtEGTaxF+gIAtF5O0JwFK1ftPLAJu9douc7N:zGPdnXaKpsT2A257N

Score

10^/10

agenttesla collection credential_access discovery execution keylogger persistence privilege_escalation spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
smtp.yandex.com
Port:
587
Username:
[email protected]
Password:
PUBLIC12345.@!!@

Signatures

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

AgentTesla payload 1 IoCs

resource	yara_rule
behavioral2/memory/1908-43-0x0000000000400000-0x0000000000450000-memory.dmp	family_agenttesla

Executes dropped EXE 2 IoCs

pid	Process
3592	Skvpe.exe
1908	Skvpe.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-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Skvpe.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Skvpe.exe
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Skvpe.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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SkypeSetup = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Skvpe.exe"	reg.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Start PowerShell.

execution

PowerShell

T1059.001

pid	Process
2424	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3592 set thread context of 1908	3592	Skvpe.exe	102

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 7 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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Skvpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Skvpe.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Proforma Invoice.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 1 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
2124	netsh.exe

Suspicious behavior: EnumeratesProcesses 31 IoCs

pid	Process
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
4044	Proforma Invoice.exe
2424	powershell.exe
2424	powershell.exe
3592	Skvpe.exe
3592	Skvpe.exe
3592	Skvpe.exe
1908	Skvpe.exe
1908	Skvpe.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4044	Proforma Invoice.exe
Token: SeDebugPrivilege	2424	powershell.exe
Token: SeDebugPrivilege	3592	Skvpe.exe
Token: SeDebugPrivilege	1908	Skvpe.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1908	Skvpe.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 4044 wrote to memory of 1724	4044	Proforma Invoice.exe	88
PID 4044 wrote to memory of 1724	4044	Proforma Invoice.exe	88
PID 4044 wrote to memory of 1724	4044	Proforma Invoice.exe	88
PID 1724 wrote to memory of 556	1724	cmd.exe	90
PID 1724 wrote to memory of 556	1724	cmd.exe	90
PID 1724 wrote to memory of 556	1724	cmd.exe	90
PID 4044 wrote to memory of 2424	4044	Proforma Invoice.exe	97
PID 4044 wrote to memory of 2424	4044	Proforma Invoice.exe	97
PID 4044 wrote to memory of 2424	4044	Proforma Invoice.exe	97
PID 2424 wrote to memory of 3592	2424	powershell.exe	100
PID 2424 wrote to memory of 3592	2424	powershell.exe	100
PID 2424 wrote to memory of 3592	2424	powershell.exe	100
PID 3592 wrote to memory of 1908	3592	Skvpe.exe	102
PID 3592 wrote to memory of 1908	3592	Skvpe.exe	102
PID 3592 wrote to memory of 1908	3592	Skvpe.exe	102
PID 3592 wrote to memory of 1908	3592	Skvpe.exe	102
PID 3592 wrote to memory of 1908	3592	Skvpe.exe	102
PID 3592 wrote to memory of 1908	3592	Skvpe.exe	102
PID 3592 wrote to memory of 1908	3592	Skvpe.exe	102
PID 3592 wrote to memory of 1908	3592	Skvpe.exe	102
PID 1908 wrote to memory of 2124	1908	Skvpe.exe	103
PID 1908 wrote to memory of 2124	1908	Skvpe.exe	103
PID 1908 wrote to memory of 2124	1908	Skvpe.exe	103

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Skvpe.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-2629364133-3182087385-364449604-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	Skvpe.exe

C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe
"C:\Users\Admin\AppData\Local\Temp\Proforma Invoice.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4044
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v SkypeSetup /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1724
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v SkypeSetup /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:556
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Start-Process C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2424
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3592
  - - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe"
      4⤵
      Executes dropped EXE
      Accesses Microsoft Outlook profiles
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      Suspicious use of WriteProcessMemory
      outlook_office_path
      outlook_win_path
      PID:1908
    - - C:\Windows\SysWOW64\netsh.exe
        
        "netsh" wlan show profile
        5⤵
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        System Network Configuration Discovery: Wi-Fi Discovery
        
        PID:2124

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

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

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

System Network Configuration Discovery

T1016

Wi-Fi Discovery

T1016.002

Lateral Movement

Collection

Data from Local System

T1005

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Skvpe.exe.log

Filesize
1KB

MD5
530fb014bfcf86704cac553f10afe137

SHA1
3d6b221dabbd982472240d9c98e4132d1b867a27

SHA256
7010c3840abb9893b754becee0788b977d8a2192f2674767ee0a81c13eb4d13e

SHA512
a8122614323bc06926d67e8bad61faaecc54900bf9726d9b485c56319bc89279c93de3964db8eb165acdb7ec4f0f36108008c91b7f1392023cacc3b660fb108e

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_m2dxvtik.u3x.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Skvpe.exe

Filesize
708KB

MD5
ce283c28a7441d2197b14faad7eccb38

SHA1
805e2221564dda4603cb6975c1ac51cd50afa030

SHA256
ba9c641828f465a988c43c858463602faadc4bc688b5b58d9a80bd25fd45a4d6

SHA512
8d4659f08858799b2fc51d15887b562597c8cbc489bd5e44bf0dad1ff8ffbcfaa537b6a41b5150cca3e0792c5836574ac251ebe76741c60c7ba2858d08b79d5e

Download Submit
memory/1908-51-0x00000000068F0000-0x00000000068FA000-memory.dmp

Filesize
40KB

Download
memory/1908-50-0x0000000006910000-0x0000000006960000-memory.dmp

Filesize
320KB

Download
memory/1908-49-0x0000000005500000-0x0000000005518000-memory.dmp

Filesize
96KB

Download
memory/1908-48-0x00000000055E0000-0x000000000567C000-memory.dmp

Filesize
624KB

Download
memory/1908-43-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/2424-34-0x0000000006CE0000-0x0000000006D76000-memory.dmp

Filesize
600KB

Download
memory/2424-35-0x0000000006110000-0x000000000612A000-memory.dmp

Filesize
104KB

Download
memory/2424-41-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2424-33-0x0000000005C80000-0x0000000005CCC000-memory.dmp

Filesize
304KB

Download
memory/2424-32-0x0000000005C40000-0x0000000005C5E000-memory.dmp

Filesize
120KB

Download
memory/2424-31-0x0000000005620000-0x0000000005974000-memory.dmp

Filesize
3.3MB

Download
memory/2424-17-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2424-16-0x0000000004600000-0x0000000004636000-memory.dmp

Filesize
216KB

Download
memory/2424-19-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2424-20-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/2424-18-0x0000000004C70000-0x0000000005298000-memory.dmp

Filesize
6.2MB

Download
memory/2424-21-0x00000000054D0000-0x0000000005536000-memory.dmp

Filesize
408KB

Download
memory/3592-40-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/3592-42-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/3592-47-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4044-9-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4044-6-0x0000000001760000-0x0000000001782000-memory.dmp

Filesize
136KB

Download
memory/4044-15-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4044-8-0x0000000006090000-0x0000000006634000-memory.dmp

Filesize
5.6MB

Download
memory/4044-0-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/4044-7-0x0000000005550000-0x0000000005572000-memory.dmp

Filesize
136KB

Download
memory/4044-11-0x0000000074C90000-0x0000000075440000-memory.dmp

Filesize
7.7MB

Download
memory/4044-10-0x0000000074C9E000-0x0000000074C9F000-memory.dmp

Filesize
4KB

Download
memory/4044-5-0x0000000005910000-0x0000000005AD2000-memory.dmp

Filesize
1.8MB

Download
memory/4044-12-0x0000000005DA0000-0x0000000005DE4000-memory.dmp

Filesize
272KB

Download
memory/4044-4-0x00000000056A0000-0x0000000005732000-memory.dmp

Filesize
584KB

Download
memory/4044-3-0x0000000005590000-0x00000000055F6000-memory.dmp

Filesize
408KB

Download
memory/4044-2-0x00000000016C0000-0x00000000016E2000-memory.dmp

Filesize
136KB

Download
memory/4044-1-0x0000000000C60000-0x0000000000D16000-memory.dmp

Filesize
728KB

Download