478e2f7937a751525ade56cd4d4b80b03804c28852ed03cb371da3c8714d236b

General

Target
Franqu8Intern6-Cod-Cerr-tplgtcNum163030-Extern-FUIXHF.vbs
Size 7.0MB
Sample261113-pcwcvsbs3w
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
4388	x%DegLIsyPL0qREbb8u.exe

Executes a VBScript file via the Windows Script Host. 1 TTPs 2 IoCs

execution

Visual Basic

T1059.005

pid	Process
624	WScript.exe
3088	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 4 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\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
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	WScript.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.

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

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-650287814-2715975232-1279715623-1000_Classes\Local Settings	x%DegLIsyPL0qREbb8u.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe
4388	x%DegLIsyPL0qREbb8u.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 624 wrote to memory of 4388	624	WScript.exe	90
PID 4388 wrote to memory of 3088	4388	x%DegLIsyPL0qREbb8u.exe	91

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:624
- 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:4388
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Public\VejTUjDO.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:3088

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

BTdqGxeMQm.vbs

Path C:\Users\Public\BTdqGxeMQm.vbs
Size 564B
SHA256 cfed1dc71e0f0b24d6b1a811f1dc97d3293fb8d7fc2f9230491e2a34724e143d
MD5 763916660adc8be5a2d9ee93031f4a64
SHA1 3ce744b55535ddb3686cc8c0a33a28bb176a1d17
SHA512 e7114e7d2a68055094bb3c9de4cc14b6c03bb185bdbc0524581aae1ca978485f0ebeb05240bf829908fd93470b73702fb986a5f782be64364e9c9fefaa5a0ad0
TLSH
T132F046025E60C29829F0281363F0612FADD3110A717A8B681E59C45C6F258390ACF8E6
MD5 SHA1 SHA512 TLSH

Submit Download

VejTUjDO.vbs

Path C:\Users\Public\VejTUjDO.vbs
Size 562B
SHA256 9987f161c5c0dc53dce6eedda3ccee4e7197f3de4463a5b742ccfa06b30e818d
MD5 b07167b21a33f307f431be60b910d3a9
SHA1 1e6cedfa6561217c5d02eb6e9bad4541c35877e7
SHA512 5043ec41d7c03d799e1d325f5ef29edec79cd3dc032422bf4e4e5623cfffe163a355fffca53d1b45a68b7650ec7febbec95ddbfb33c61658f9dfeffa4112e7f3
TLSH
T193F08B025E60C1982DF0291363F0602FAED3510B717BCB682959C85C2F25C380ACF8E7
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/4388-50-0x0000000000D00000-0x00000000068F9000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads