ab5b6f41f28835258460c41d594de4c2910af1eb7bc48bee78c51b5f676a5587

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-11-2024 14:02

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General

Target

vpn_ico.exe
Size

1.7MB
MD5

bdb4c5b8c4c698e57631a3fa67609c7b
SHA1

30152fadedf4f7dbbe9ffe59c9e45724a1bd790b
SHA256

f50692b2d081d70f7f61acc5a412da98a76d62a2833630c0d9ce780c65369305
SHA512

aac48cedfed3c22359eb0276912348879ad0d9552ff20ea03e87119f2c4bf79c232c3a6c519ff7c1ab82e8786a1ac2f1ff423fbf1a75018e8a216d6b60460d8e
SSDEEP

24576:ZQuOSRRD6IHLmw6vZIjfX4T9S0PqJFdvCfQ+vPEjLolvvKLGxj:ZQAvHLX6SMT9xPqdCfQ+vsIlqK

Score

9^/10

discovery evasion

Malware Config

Signatures

Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	vpn_ico.exe

Blocklisted process makes network request 2 IoCs

flow	pid	Process
8	2572	WScript.exe
10	2572	WScript.exe

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	vpn_ico.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	vpn_ico.exe

Identifies Wine through registry keys 2 TTPs 1 IoCs

Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

evasion

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Wine	vpn_ico.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
7	iplogger.org
8	iplogger.org

Looks up external IP address via web service 1 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	ip-api.com

Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

pid	Process
1796	vpn_ico.exe

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 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	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vpn_ico.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	vpn_ico.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vpn_ico.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1796	vpn_ico.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2572	1796	vpn_ico.exe	32
PID 1796 wrote to memory of 2572	1796	vpn_ico.exe	32
PID 1796 wrote to memory of 2572	1796	vpn_ico.exe	32
PID 1796 wrote to memory of 2572	1796	vpn_ico.exe	32

C:\Users\Admin\AppData\Local\Temp\vpn_ico.exe
"C:\Users\Admin\AppData\Local\Temp\vpn_ico.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1796
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\rlmcxvter.vbs"
  2⤵
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  PID:2572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\rlmcxvter.vbs

Filesize
133B

MD5
e84cf2f01c51a193055984e7cafc690a

SHA1
803a27829e2835ccc091ecd0c04bb6f320ede76c

SHA256
7a29f21f67eceb6f30285d039c56fccb5cd49e6d84e419e3441894fadec939f2

SHA512
45d91ea88d9cabd5a2217bde78cf57f2743ff1877c3c3b9bb15d8f4097dab3b274e772b341b9446907243fdf2cbce1ccf3ebc9046d633cdd7e381beff631c6dd

Download Submit
memory/1796-0-0x0000000000990000-0x0000000000E01000-memory.dmp

Filesize
4.4MB

Download
memory/1796-1-0x0000000077620000-0x0000000077622000-memory.dmp

Filesize
8KB

Download
memory/1796-2-0x0000000000991000-0x00000000009A3000-memory.dmp

Filesize
72KB

Download
memory/1796-3-0x0000000000990000-0x0000000000E01000-memory.dmp

Filesize
4.4MB

Download
memory/1796-4-0x0000000000990000-0x0000000000E01000-memory.dmp

Filesize
4.4MB

Download
memory/1796-9-0x0000000000990000-0x0000000000E01000-memory.dmp

Filesize
4.4MB

Download
memory/1796-10-0x0000000000990000-0x0000000000E01000-memory.dmp

Filesize
4.4MB

Download
memory/1796-11-0x0000000000990000-0x0000000000E01000-memory.dmp

Filesize
4.4MB

Download
memory/1796-12-0x0000000000990000-0x0000000000E01000-memory.dmp

Filesize
4.4MB

Download
memory/1796-16-0x0000000000990000-0x0000000000E01000-memory.dmp

Filesize
4.4MB

Download