agenttesla | 81c2a7b3b6d086433a381e18410566eeb4b6eab9703fdd6cd1bc722f3699feb4

Analysis

max time kernel
128s
max time network
129s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
24-09-2024 07:39

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General

Target

PO#LT40097_pdf.scr
Size

1008KB
MD5

81fa103169694ade60435f1d37558629
SHA1

c1d05d8f37ac93c965f6af66bfcfc93870c44b48
SHA256

ca967b546580c35933e3b620342056f75a14168f821dc8ef18f5fc99eed34130
SHA512

8b29597cbd58b7d7b644188ac757bd19d53284e03fb998c921532d30140604c5c97e9fa09a862442cdc51da32438eecb01609fb71f8716a5b2bf31bc0c360e0c
SSDEEP

12288:9NF5hNvXKJEp1lLNFn5I79IytGBFXa9PSYWhYYT2:9NF5hVXthLXn5+IytGBFXa

Score

10^/10

agenttesla collection credential_access discovery keylogger persistence spyware stealer trojan

Malware Config

Extracted

Family

agenttesla

Credentials

Protocol: smtp
Host:
mail.gandi.net
Port:
587
Username:
[email protected]
Password:
Blessed000@

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
behavioral1/memory/972-19-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/972-21-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/972-24-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/972-25-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla
behavioral1/memory/972-26-0x0000000000400000-0x000000000044E000-memory.dmp	family_agenttesla

Executes dropped EXE 1 IoCs

pid	Process
2660	loadinz.exe

Loads dropped DLL 1 IoCs

pid	Process
2808	cmd.exe

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-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\loadinz = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\loadinz.exe"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows\CurrentVersion\Run\loadinz = "C:\\Windows\\system32\\pcalua.exe -a C:\\Users\\Admin\\AppData\\Roaming\\loadinz.exe"	reg.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
5	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2660 set thread context of 972	2660	loadinz.exe	42

System Location Discovery: System Language Discovery 1 TTPs 9 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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PO#LT40097_pdf.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	loadinz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
2508	PO#LT40097_pdf.scr
2508	PO#LT40097_pdf.scr
2508	PO#LT40097_pdf.scr
2508	PO#LT40097_pdf.scr
2756	powershell.exe
2660	loadinz.exe
2660	loadinz.exe
2660	loadinz.exe
972	InstallUtil.exe
972	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2508	PO#LT40097_pdf.scr
Token: SeDebugPrivilege	2756	powershell.exe
Token: SeDebugPrivilege	2660	loadinz.exe
Token: SeDebugPrivilege	972	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
972	InstallUtil.exe

Suspicious use of WriteProcessMemory 40 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2700	2508	PO#LT40097_pdf.scr	31
PID 2508 wrote to memory of 2700	2508	PO#LT40097_pdf.scr	31
PID 2508 wrote to memory of 2700	2508	PO#LT40097_pdf.scr	31
PID 2508 wrote to memory of 2700	2508	PO#LT40097_pdf.scr	31
PID 2700 wrote to memory of 2736	2700	cmd.exe	33
PID 2700 wrote to memory of 2736	2700	cmd.exe	33
PID 2700 wrote to memory of 2736	2700	cmd.exe	33
PID 2700 wrote to memory of 2736	2700	cmd.exe	33
PID 2508 wrote to memory of 2756	2508	PO#LT40097_pdf.scr	34
PID 2508 wrote to memory of 2756	2508	PO#LT40097_pdf.scr	34
PID 2508 wrote to memory of 2756	2508	PO#LT40097_pdf.scr	34
PID 2508 wrote to memory of 2756	2508	PO#LT40097_pdf.scr	34
PID 2508 wrote to memory of 2808	2508	PO#LT40097_pdf.scr	36
PID 2508 wrote to memory of 2808	2508	PO#LT40097_pdf.scr	36
PID 2508 wrote to memory of 2808	2508	PO#LT40097_pdf.scr	36
PID 2508 wrote to memory of 2808	2508	PO#LT40097_pdf.scr	36
PID 2808 wrote to memory of 2660	2808	cmd.exe	38
PID 2808 wrote to memory of 2660	2808	cmd.exe	38
PID 2808 wrote to memory of 2660	2808	cmd.exe	38
PID 2808 wrote to memory of 2660	2808	cmd.exe	38
PID 2660 wrote to memory of 620	2660	loadinz.exe	39
PID 2660 wrote to memory of 620	2660	loadinz.exe	39
PID 2660 wrote to memory of 620	2660	loadinz.exe	39
PID 2660 wrote to memory of 620	2660	loadinz.exe	39
PID 620 wrote to memory of 1744	620	cmd.exe	41
PID 620 wrote to memory of 1744	620	cmd.exe	41
PID 620 wrote to memory of 1744	620	cmd.exe	41
PID 620 wrote to memory of 1744	620	cmd.exe	41
PID 2660 wrote to memory of 972	2660	loadinz.exe	42
PID 2660 wrote to memory of 972	2660	loadinz.exe	42
PID 2660 wrote to memory of 972	2660	loadinz.exe	42
PID 2660 wrote to memory of 972	2660	loadinz.exe	42
PID 2660 wrote to memory of 972	2660	loadinz.exe	42
PID 2660 wrote to memory of 972	2660	loadinz.exe	42
PID 2660 wrote to memory of 972	2660	loadinz.exe	42
PID 2660 wrote to memory of 972	2660	loadinz.exe	42
PID 2660 wrote to memory of 972	2660	loadinz.exe	42
PID 2660 wrote to memory of 972	2660	loadinz.exe	42
PID 2660 wrote to memory of 972	2660	loadinz.exe	42
PID 2660 wrote to memory of 972	2660	loadinz.exe	42

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

C:\Users\Admin\AppData\Local\Temp\PO#LT40097_pdf.scr
"C:\Users\Admin\AppData\Local\Temp\PO#LT40097_pdf.scr" /S
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2508
- C:\Windows\SysWOW64\cmd.exe
  "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v loadinz /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\loadinz.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2700
- - C:\Windows\SysWOW64\reg.exe
    REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v loadinz /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\loadinz.exe"
    3⤵
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    PID:2736
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" Copy-Item C:\Users\Admin\AppData\Local\Temp\PO#LT40097_pdf.scr C:\Users\Admin\AppData\Roaming\loadinz.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2756
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Roaming\loadinz.exe"
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Users\Admin\AppData\Roaming\loadinz.exe
    "C:\Users\Admin\AppData\Roaming\loadinz.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:2660
  - - C:\Windows\SysWOW64\cmd.exe
      "cmd.exe" /c REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v loadinz /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\loadinz.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:620
    - - C:\Windows\SysWOW64\reg.exe
        
        REG ADD HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run /f /v loadinz /t REG_SZ /d C:\Windows\system32\pcalua.exe" -a C:\Users\Admin\AppData\Roaming\loadinz.exe"
        5⤵
        Adds Run key to start application
        System Location Discovery: System Language Discovery
        
        PID:1744
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe"
      4⤵
      Accesses Microsoft Outlook profiles
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      outlook_office_path
      outlook_win_path
      PID:972

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Roaming\loadinz.exe

Filesize
1008KB

MD5
81fa103169694ade60435f1d37558629

SHA1
c1d05d8f37ac93c965f6af66bfcfc93870c44b48

SHA256
ca967b546580c35933e3b620342056f75a14168f821dc8ef18f5fc99eed34130

SHA512
8b29597cbd58b7d7b644188ac757bd19d53284e03fb998c921532d30140604c5c97e9fa09a862442cdc51da32438eecb01609fb71f8716a5b2bf31bc0c360e0c

Download Submit
memory/972-15-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/972-26-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/972-25-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/972-24-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/972-23-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/972-21-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/972-19-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/972-17-0x0000000000400000-0x000000000044E000-memory.dmp

Filesize
312KB

Download
memory/2508-4-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2508-9-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2508-5-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2508-0-0x000000007429E000-0x000000007429F000-memory.dmp

Filesize
4KB

Download
memory/2508-3-0x0000000074290000-0x000000007497E000-memory.dmp

Filesize
6.9MB

Download
memory/2508-2-0x00000000003A0000-0x00000000003C6000-memory.dmp

Filesize
152KB

Download
memory/2508-1-0x0000000000CB0000-0x0000000000DB2000-memory.dmp

Filesize
1.0MB

Download
memory/2660-14-0x00000000008F0000-0x0000000000916000-memory.dmp

Filesize
152KB

Download
memory/2660-13-0x00000000011D0000-0x00000000012D2000-memory.dmp

Filesize
1.0MB

Download