478e2f7937a751525ade56cd4d4b80b03804c28852ed03cb371da3c8714d236b

General

Target
Franqu8Intern6-Cod-Cerr-tplgtcNum163030-Extern-FUIXHF.vbs
Size 7.0MB
Sample261113-h17bps1z5k
SHA256 478e2f7937a751525ade56cd4d4b80b03804c28852ed03cb371da3c8714d236b
MD5 f7fd23a4cfec3e42801518f553d35859
SHA1 e063638b81b80d94dd02afca74f4b69c58437b09
SHA512 a9fb165f3aefff6465c28064a175dd789f9eb8cad9504ab8c598d97d84d9b31cfe65ba1b638515b4fc4bf7fa6bce1b16f47124bdae9b1a25e285abadeb7c2c16
SSDEEP 49152:t2uQh7Rzh8xzQaIC/EovNODIrqGDN3d4v+uFT8pkVHoMQxaorgjnkzOxV07oJfoH:l
TLSH
T13C760236EBA8051705A2476AF00A6273FF77C423874D82A6D8DDF21D368B4DE816F5E4
MD5 SHA1 SHA512 SSDEEP TLSH

Score

9^/10

defense_evasion discovery execution persistence ransomware

Malware Config

Signatures

Enumerates VirtualBox registry keys 2 TTPs 2 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxGuest	x%DegLIsyPL0qREbb8u.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\VBoxMouse	x%DegLIsyPL0qREbb8u.exe

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	x%DegLIsyPL0qREbb8u.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\FADT\VBOX__	x%DegLIsyPL0qREbb8u.exe

Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions	x%DegLIsyPL0qREbb8u.exe

Looks for VMWare Tools registry key 2 TTPs 1 IoCs

defense_evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools	x%DegLIsyPL0qREbb8u.exe

Executes dropped EXE 1 IoCs

pid	Process
2936	x%DegLIsyPL0qREbb8u.exe

Executes a VBScript file via the Windows Script Host. 1 TTPs 3 IoCs

execution

Visual Basic

T1059.005

pid	Process
3436	WScript.exe
4376	WScript.exe
1160	WScript.exe

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

System Information Discovery
T1082

Reads the TCP/IP host and domain name from the registry 1 TTPs 6 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	WScript.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	WScript.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	WScript.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	x%DegLIsyPL0qREbb8u.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	x%DegLIsyPL0qREbb8u.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	WScript.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	x%DegLIsyPL0qREbb8u.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2251218687-1689653882-3767565116-1000_Classes\Local Settings	x%DegLIsyPL0qREbb8u.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe
2936	x%DegLIsyPL0qREbb8u.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1160 wrote to memory of 2936	1160	WScript.exe	90
PID 2936 wrote to memory of 3436	2936	x%DegLIsyPL0qREbb8u.exe	91
PID 2936 wrote to memory of 4376	2936	x%DegLIsyPL0qREbb8u.exe	92

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Franqu8Intern6-Cod-Cerr-tplgtcNum163030-Extern-FUIXHF.vbs"
1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
PID:1160
- C:\Users\Public\x%DegLIsyPL0qREbb8u.exe
  "C:\Users\Public\x%DegLIsyPL0qREbb8u.exe"
  2⤵
  - Enumerates VirtualBox registry keys
  - Identifies VirtualBox via ACPI registry values (likely anti-VM)
  - Looks for VirtualBox Guest Additions in registry
  - Looks for VMWare Tools registry key
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:2936
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Public\BHxkHPhnju.vbs"
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    - Reads the TCP/IP host and domain name from the registry
    - System Location Discovery: System Language Discovery
    PID:3436
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Public\kIIMiDyhc.vbs"
    3⤵
    - Executes a VBScript file via the Windows Script Host.
    - Reads the TCP/IP host and domain name from the registry
    - System Location Discovery: System Language Discovery
    PID:4376

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Visual Basic

1

T1059.005

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

4

T1497

Credential Access

Discovery

Query Registry

5

T1012

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

System Network Configuration Discovery

1

T1016

Virtualization/Sandbox Evasion

4

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

BHxkHPhnju.vbs

Path C:\Users\Public\BHxkHPhnju.vbs
Size 564B
SHA256 b704ace1d119296676240adbe92df825c28574bec68b96a66d61cc82dc6a0d15
MD5 93ef13b36cd3e8ca6f0085b4b6d905d4
SHA1 7fe927da4fd2bb00bc9d1e1f61e133762dceb3f5
SHA512 b602317b936f798ebd4f9f0c412933900a9dfb4c0c54cfa9e7e6ae5b2032dbf25929f1e18561a0cbbfeaf43629297ea6cfd028554bad4a2dbcd07465f7e4fd79
TLSH
T16EF08B025E65C1982DF0282363F0602FEDE7110B717BCB681958D45C6F26C380ACF8E7
MD5 SHA1 SHA512 TLSH

Submit Download

kIIMiDyhc.vbs

Path C:\Users\Public\kIIMiDyhc.vbs
Size 563B
SHA256 2837d4c7fe7e74f96121de34bdcb1c5f5ee687417bcc501f11b0ee5803a47e59
MD5 29ee5eb8bb9051cdc083b34b39f02e15
SHA1 0a6edaf590196515cd910154877482690ceb3009
SHA512 d7f70c21a1d3932b6da3d4a75bf973c911934f5206f0f7a459e4db0e29088bf869cb42e86fc755682cb9624fad4291fc92716c9ca36dd4eb1c6650391df7c9db
TLSH
T15DF046025F60C19829F4291363E0602FADD3110A717A9B681958C45C2F26C380ACF8E6
MD5 SHA1 SHA512 TLSH

Submit Download

x%DegLIsyPL0qREbb8u.zip

Path C:\Users\Public\x%DegLIsyPL0qREbb8u.zip
Size 4.2MB
SHA256 c08e416273cd89361f4bf291ba10f484631e5df8e7dba647c509ec11c6480564
MD5 05fafe1b974cea5eb2c25b498d211aea
SHA1 ec7214790adf259418614578990efdb57549522f
SHA512 d4ff950bfaaf5bda3ed51e98e6583035223f8b39197a8b134e576ac2b6e14049498ba9b42d8c6e726991f4e66c1a769a2613ec499eaf81a8ac1f9f60c5a5525d
SSDEEP 98304:5qt5eGPgmnhU2HvSuwYgd4C1fxMH1tTABqTk9zsHA/3p1qpm:5qt5eGP9hvS/4CfMHPTQak9d3qk
TLSH
T1E3263360BCD4E68CE21F0B3C7E0A6F58ACF12687B816A072E7B2663C5C0374769565D7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2936-52-0x00000000004B0000-0x00000000060A9000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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