fc25988009a922636bbff1bae10c81bd29a9cc5dec7c731d6eae2c26b7fbd2e0

Analysis

max time kernel
147s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
03-10-2022 07:27

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General

Target

CloudWare.exe
Size

4.4MB
MD5

05c3c77aaa506ab0c4e3843753c7ede4
SHA1

5b067f0b0d97a7a7f617f89b043209c09157fe32
SHA256

fc25988009a922636bbff1bae10c81bd29a9cc5dec7c731d6eae2c26b7fbd2e0
SHA512

520bc2d0fa5ecdd86eaba7a159840c7cd8eaf668d950c68bb3f88029d173f6afe04cc839dc36e0f30902f989f86b4e32d7b60d045c674c34dc5df5574e03caff
SSDEEP

98304:KQGyk/JdYF4ZtmD4fiKzSCrQtaIoZ4SbxJsm0E42RjolX4wGtS7UQ:KQfkhdYaZq4fRSGQAIqFd0c2lbT7H

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:

CloudWare.exe

description ioc process

Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ CloudWare.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__	CloudWare.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:

CloudWare.exe

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

Themida packer 3 IoCs

Detects Themida, an advanced Windows software protection system.

themida

Processes:

resource	yara_rule
behavioral2/memory/2956-134-0x00007FF6FED90000-0x00007FF6FF9A2000-memory.dmp	themida
behavioral2/memory/2956-135-0x00007FF6FED90000-0x00007FF6FF9A2000-memory.dmp	themida
behavioral2/memory/2956-143-0x00007FF6FED90000-0x00007FF6FF9A2000-memory.dmp	themida

Checks whether UAC is enabled 1 TTPs 1 IoCs
evasion trojan

System Information Discovery
T1082

Processes:

CloudWare.exe

description ioc process

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

Web Service
T1102
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs

Processes:

CloudWare.exe

pid process

2956 CloudWare.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3976 2956 WerFault.exe CloudWare.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

CloudWare.exe

description pid process

Token: SeDebugPrivilege 2956 CloudWare.exe

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

pid	process
2956	CloudWare.exe

pid	pid_target	process	target process
3976	2956	WerFault.exe	CloudWare.exe

description	pid	process
Token: SeDebugPrivilege	2956	CloudWare.exe

C:\Users\Admin\AppData\Local\Temp\CloudWare.exe
"C:\Users\Admin\AppData\Local\Temp\CloudWare.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
- Suspicious use of AdjustPrivilegeToken
PID:2956

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -u -p 2956 -s 1732
2⤵
- Program crash
PID:3976

C:\Windows\system32\WerFault.exe
C:\Windows\system32\WerFault.exe -pss -s 456 -p 2956 -ip 2956
1⤵
PID:1276

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Query Registry

T1012

Virtualization/Sandbox Evasion

T1497

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Web Service

T1102

Impact

Replay Monitor

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Downloads

memory/2956-133-0x00007FF6FED90000-0x00007FF6FF9A2000-memory.dmp

Filesize
12.1MB

Download
memory/2956-134-0x00007FF6FED90000-0x00007FF6FF9A2000-memory.dmp

Filesize
12.1MB

Download
memory/2956-135-0x00007FF6FED90000-0x00007FF6FF9A2000-memory.dmp

Filesize
12.1MB

Download
memory/2956-136-0x00007FF8B3910000-0x00007FF8B3B05000-memory.dmp

Filesize
2.0MB

Download
memory/2956-137-0x00000186DB5F0000-0x00000186DB602000-memory.dmp

Filesize
72KB

Download
memory/2956-138-0x00007FF893F20000-0x00007FF8949E1000-memory.dmp

Filesize
10.8MB

Download
memory/2956-139-0x00000186DB660000-0x00000186DB69C000-memory.dmp

Filesize
240KB

Download
memory/2956-140-0x00007FF6FED90000-0x00007FF6FF9A2000-memory.dmp

Filesize
12.1MB

Download
memory/2956-141-0x00007FF8B3910000-0x00007FF8B3B05000-memory.dmp

Filesize
2.0MB

Download
memory/2956-142-0x00007FF893F20000-0x00007FF8949E1000-memory.dmp

Filesize
10.8MB

Download
memory/2956-143-0x00007FF6FED90000-0x00007FF6FF9A2000-memory.dmp

Filesize
12.1MB

Download
memory/2956-144-0x00007FF893F20000-0x00007FF8949E1000-memory.dmp

Filesize
10.8MB

Download