0c31c6a241a8b45dbe172328800aad3e89145073b6f49e02dc3105cb4dcfd6d6

Analysis

max time kernel
9s
max time network
7s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
30-06-2024 09:14

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General

Target

Release/Nyx.exe
Size

3.5MB
MD5

00ec60cd1add4a2f61e48c7b0a6c810f
SHA1

174af7f09725d67d522e65066d3e3662da50a4e2
SHA256

df4da6874570d3e753519898684bbad60378725d24f9557f5d5294fcfd795a29
SHA512

244afaa72bea7b46633dbaf79bdac388dfaf190e88d3a7675d16b36cfaeb39e9b47f1dc6ac1ddc059c64e091dfff562460ac83f9e669e42c3f90ac9fc44c1003
SSDEEP

98304:zcwncs4fUCBRTna03MfhwbIZosECIMRvl:Ywnc3HdahZ4IgCr

Score

9^/10

evasion themida trojan

Malware Config

Signatures

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

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

Processes:

Nyx.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Nyx.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

Processes:

Nyx.exe

description ioc process

Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Nyx.exe
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Nyx.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	Nyx.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	Nyx.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	Nyx.exe

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral1/memory/1752-29-0x0000000001040000-0x0000000001980000-memory.dmp	themida
behavioral1/memory/1752-30-0x0000000001040000-0x0000000001980000-memory.dmp	themida
behavioral1/memory/1752-40-0x0000000001040000-0x0000000001980000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

Nyx.exe

description ioc process

Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Nyx.exe
Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service
T1102

Processes:

flow ioc

4 pastebin.com
5 pastebin.com
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

Nyx.exe

pid process

1752 Nyx.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Modifies Internet Explorer settings 1 TTPs 1 IoCs
adware spyware

Modify Registry
T1112

Processes:

Nyx.exe

description ioc process

Key created \REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main Nyx.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

Nyx.exe

pid process

1752 Nyx.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

Nyx.exe

description pid process

Token: SeDebugPrivilege 1752 Nyx.exe
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

Nyx.exe

pid process

1752 Nyx.exe
1752 Nyx.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	Nyx.exe

flow	ioc
4	pastebin.com
5	pastebin.com

pid	process
1752	Nyx.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-481678230-3773327859-3495911762-1000\Software\Microsoft\Internet Explorer\Main	Nyx.exe

pid	process
1752	Nyx.exe

description	pid	process
Token: SeDebugPrivilege	1752	Nyx.exe

pid	process
1752	Nyx.exe
1752	Nyx.exe

C:\Users\Admin\AppData\Local\Temp\Release\Nyx.exe
"C:\Users\Admin\AppData\Local\Temp\Release\Nyx.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1752

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

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Downloads

memory/1752-0-0x0000000001040000-0x0000000001980000-memory.dmp

Filesize
9.2MB

Download
memory/1752-1-0x0000000075C81000-0x0000000075C82000-memory.dmp

Filesize
4KB

Download
memory/1752-2-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-25-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-24-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-23-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-22-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-21-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-20-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-19-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-18-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-17-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-16-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-15-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-14-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-13-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-12-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-11-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-10-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-9-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-8-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-7-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-6-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-5-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-4-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-3-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download
memory/1752-29-0x0000000001040000-0x0000000001980000-memory.dmp

Filesize
9.2MB

Download
memory/1752-30-0x0000000001040000-0x0000000001980000-memory.dmp

Filesize
9.2MB

Download
memory/1752-31-0x0000000005DA0000-0x0000000005DFC000-memory.dmp

Filesize
368KB

Download
memory/1752-32-0x0000000006780000-0x00000000068CE000-memory.dmp

Filesize
1.3MB

Download
memory/1752-33-0x0000000000720000-0x0000000000734000-memory.dmp

Filesize
80KB

Download
memory/1752-34-0x00000000055B0000-0x00000000055CA000-memory.dmp

Filesize
104KB

Download
memory/1752-35-0x000000000A2A0000-0x000000000A350000-memory.dmp

Filesize
704KB

Download
memory/1752-36-0x000000000B1D0000-0x000000000B976000-memory.dmp

Filesize
7.6MB

Download
memory/1752-38-0x000000000B110000-0x000000000B1BA000-memory.dmp

Filesize
680KB

Download
memory/1752-40-0x0000000001040000-0x0000000001980000-memory.dmp

Filesize
9.2MB

Download
memory/1752-41-0x0000000075C70000-0x0000000075D80000-memory.dmp

Filesize
1.1MB

Download