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

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

Checks computer location settings 2 TTPs 2 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-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-939655444-3071939294-1401108526-1000\Control Panel\International\Geo\Nation	x%DegLIsyPL0qREbb8u.exe

Executes dropped EXE 1 IoCs

pid	Process
3572	x%DegLIsyPL0qREbb8u.exe

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

execution

Visual Basic

T1059.005

pid	Process
1608	WScript.exe
2736	WScript.exe
4072	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-1-5-21-939655444-3071939294-1401108526-1000_Classes\Local Settings	x%DegLIsyPL0qREbb8u.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe
3572	x%DegLIsyPL0qREbb8u.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 3572	1608	WScript.exe	85
PID 3572 wrote to memory of 2736	3572	x%DegLIsyPL0qREbb8u.exe	92
PID 3572 wrote to memory of 4072	3572	x%DegLIsyPL0qREbb8u.exe	93

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Franqu8Intern6-Cod-Cerr-tplgtcNum163030-Extern-FUIXHF.vbs"
1⤵
- Checks computer location settings
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
PID:1608
- 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
  - Checks computer location settings
  - 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:3572
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Public\gwXYTcwhK.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:2736
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Public\rXnBLLsX.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:4072

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

2

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

gwXYTcwhK.vbs

Path C:\Users\Public\gwXYTcwhK.vbs
Size 563B
SHA256 cb7d1f19a85216912a31da21da0ae94538c2f42257f3d4f34f5ee8313c4e094f
MD5 febb65d59d28c3f6a448a342e45bf785
SHA1 635e4193ce891b9c58aa7238bbd780a851deb4fa
SHA512 83f22999687382d49028f1c9db9e15522243df5357531a802bb30d6c475e4fcbc0b6079331c3594f091e2520189c21f2add3dedf740e71a59bb6a6046b8f8dfb
TLSH
T19CF08B026E60C2982DF4281367F0A02FAED7110B757BCB682958C45C6F26C380ACFCE6
MD5 SHA1 SHA512 TLSH

Submit Download

rXnBLLsX.vbs

Path C:\Users\Public\rXnBLLsX.vbs
Size 562B
SHA256 2828ad57610154bac416a7d1613cf62307b80f9b3263ada2efed3d7a4127124c
MD5 bebe8fe00983aa68a7c796efd374033b
SHA1 46fab498bfd86bd129788211d768c1cbd565780c
SHA512 b2789b3336a4b6e69a400cea128d148974b30ce825e4a8e41c33bc7b0868ea05dccaf6ccbcb6039457979c2576fea5ca04425711b8e7ebe536c94f6ed7fd2b76
TLSH
T144F08B025F60C1982DF4281763F1602FADD3110B717BDB681968D45C6F25C380ACF8E6
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/3572-41-0x00000000006F0000-0x00000000062E9000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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