agenttesla | 81c2a7b3b6d086433a381e18410566eeb4b6eab9703fdd6cd1bc722f3699feb4

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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 1 IoCs

resource	yara_rule
behavioral2/memory/4012-46-0x0000000000360000-0x00000000003AE000-memory.dmp	family_agenttesla

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation	PO#LT40097_pdf.scr

Executes dropped EXE 1 IoCs

pid	Process
1108	loadinz.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-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\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-1-5-21-4182098368-2521458979-3782681353-1000\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-1-5-21-4182098368-2521458979-3782681353-1000\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
42	api.ipify.org
43	api.ipify.org

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1108 set thread context of 4012	1108	loadinz.exe	102

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	PO#LT40097_pdf.scr
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	loadinz.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	InstallUtil.exe

Suspicious behavior: EnumeratesProcesses 29 IoCs

pid	Process
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3588	PO#LT40097_pdf.scr
3684	powershell.exe
3684	powershell.exe
1108	loadinz.exe
1108	loadinz.exe
1108	loadinz.exe
4012	InstallUtil.exe
4012	InstallUtil.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3588	PO#LT40097_pdf.scr
Token: SeDebugPrivilege	3684	powershell.exe
Token: SeDebugPrivilege	1108	loadinz.exe
Token: SeDebugPrivilege	4012	InstallUtil.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4012	InstallUtil.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 3588 wrote to memory of 4044	3588	PO#LT40097_pdf.scr	89
PID 3588 wrote to memory of 4044	3588	PO#LT40097_pdf.scr	89
PID 3588 wrote to memory of 4044	3588	PO#LT40097_pdf.scr	89
PID 4044 wrote to memory of 2672	4044	cmd.exe	91
PID 4044 wrote to memory of 2672	4044	cmd.exe	91
PID 4044 wrote to memory of 2672	4044	cmd.exe	91
PID 3588 wrote to memory of 3684	3588	PO#LT40097_pdf.scr	94
PID 3588 wrote to memory of 3684	3588	PO#LT40097_pdf.scr	94
PID 3588 wrote to memory of 3684	3588	PO#LT40097_pdf.scr	94
PID 3588 wrote to memory of 2028	3588	PO#LT40097_pdf.scr	96
PID 3588 wrote to memory of 2028	3588	PO#LT40097_pdf.scr	96
PID 3588 wrote to memory of 2028	3588	PO#LT40097_pdf.scr	96
PID 2028 wrote to memory of 1108	2028	cmd.exe	98
PID 2028 wrote to memory of 1108	2028	cmd.exe	98
PID 2028 wrote to memory of 1108	2028	cmd.exe	98
PID 1108 wrote to memory of 2488	1108	loadinz.exe	99
PID 1108 wrote to memory of 2488	1108	loadinz.exe	99
PID 1108 wrote to memory of 2488	1108	loadinz.exe	99
PID 2488 wrote to memory of 456	2488	cmd.exe	101
PID 2488 wrote to memory of 456	2488	cmd.exe	101
PID 2488 wrote to memory of 456	2488	cmd.exe	101
PID 1108 wrote to memory of 4012	1108	loadinz.exe	102
PID 1108 wrote to memory of 4012	1108	loadinz.exe	102
PID 1108 wrote to memory of 4012	1108	loadinz.exe	102
PID 1108 wrote to memory of 4012	1108	loadinz.exe	102
PID 1108 wrote to memory of 4012	1108	loadinz.exe	102
PID 1108 wrote to memory of 4012	1108	loadinz.exe	102
PID 1108 wrote to memory of 4012	1108	loadinz.exe	102
PID 1108 wrote to memory of 4012	1108	loadinz.exe	102

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	InstallUtil.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\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⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3588
- 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:4044
- - 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:2672
- 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:3684
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c, "C:\Users\Admin\AppData\Roaming\loadinz.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2028
- - 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:1108
  - - 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:2488
    - - 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:456
  - - 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:4012

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

Query Registry

T1012

System Information Discovery

T1082

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

C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_kb2zjftw.hv4.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\loadinz.exe

Filesize
1008KB

MD5
81fa103169694ade60435f1d37558629

SHA1
c1d05d8f37ac93c965f6af66bfcfc93870c44b48

SHA256
ca967b546580c35933e3b620342056f75a14168f821dc8ef18f5fc99eed34130

SHA512
8b29597cbd58b7d7b644188ac757bd19d53284e03fb998c921532d30140604c5c97e9fa09a862442cdc51da32438eecb01609fb71f8716a5b2bf31bc0c360e0c

Download Submit
memory/3588-8-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3588-9-0x0000000006760000-0x0000000006D04000-memory.dmp

Filesize
5.6MB

Download
memory/3588-4-0x00000000057A0000-0x0000000005832000-memory.dmp

Filesize
584KB

Download
memory/3588-5-0x0000000005640000-0x0000000005662000-memory.dmp

Filesize
136KB

Download
memory/3588-6-0x0000000005A10000-0x0000000005BD2000-memory.dmp

Filesize
1.8MB

Download
memory/3588-7-0x0000000005740000-0x0000000005762000-memory.dmp

Filesize
136KB

Download
memory/3588-2-0x0000000002FE0000-0x0000000003006000-memory.dmp

Filesize
152KB

Download
memory/3588-3-0x0000000005680000-0x00000000056E6000-memory.dmp

Filesize
408KB

Download
memory/3588-10-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3588-11-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/3588-12-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3588-13-0x0000000006D60000-0x0000000006DA4000-memory.dmp

Filesize
272KB

Download
memory/3588-14-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3588-1-0x0000000000BF0000-0x0000000000CF2000-memory.dmp

Filesize
1.0MB

Download
memory/3588-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/3588-40-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3684-16-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3684-19-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3684-20-0x0000000005D40000-0x0000000005DA6000-memory.dmp

Filesize
408KB

Download
memory/3684-18-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3684-30-0x0000000005E90000-0x00000000061E4000-memory.dmp

Filesize
3.3MB

Download
memory/3684-31-0x0000000006420000-0x000000000643E000-memory.dmp

Filesize
120KB

Download
memory/3684-32-0x0000000006440000-0x000000000648C000-memory.dmp

Filesize
304KB

Download
memory/3684-33-0x00000000073E0000-0x0000000007476000-memory.dmp

Filesize
600KB

Download
memory/3684-34-0x00000000068E0000-0x00000000068FA000-memory.dmp

Filesize
104KB

Download
memory/3684-38-0x0000000074970000-0x0000000075120000-memory.dmp

Filesize
7.7MB

Download
memory/3684-17-0x00000000056A0000-0x0000000005CC8000-memory.dmp

Filesize
6.2MB

Download
memory/3684-15-0x0000000002AF0000-0x0000000002B26000-memory.dmp

Filesize
216KB

Download
memory/4012-46-0x0000000000360000-0x00000000003AE000-memory.dmp

Filesize
312KB

Download
memory/4012-47-0x0000000004EF0000-0x0000000004F8C000-memory.dmp

Filesize
624KB

Download
memory/4012-48-0x0000000004CD0000-0x0000000004CE8000-memory.dmp

Filesize
96KB

Download
memory/4012-49-0x00000000067E0000-0x00000000067EA000-memory.dmp

Filesize
40KB

Download