6b9b0c2be545dc060c19760fb7437a2661c50797797faa167a4b00a9236d4f29

Analysis

max time kernel
42s
max time network
51s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
30-06-2024 06:36

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General

Target

HBCD/WinTools/CPUz.bat
Size

87B
MD5

e73eb157659ef46d72009227c3272a3f
SHA1

504a463baf84aee01becd7ac0296e66c9caa3877
SHA256

b24d59a8861da7c9439138fbf84883a76e03dd00c494fccf30d73a86218e41d4
SHA512

91bbd67f8c964049604cad10dbac67a79258d90d7c4d04114084f6ffb8d0ae0f3556ff06dae6c991843f20a5ca7fad6e714b7fce7aedeab526dfc40c2e2ef319

Score

7^/10

upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.

Query Registry
T1012

System Information Discovery
T1082

Processes:

cmd.exe

description ioc process

Key value queried \REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation cmd.exe
Executes dropped EXE 1 IoCs

Processes:

cpuz.exe

pid process

1728 cpuz.exe
UPX packed file 2 IoCs
Detects executables packed with UPX/modified UPX open source packer.
upx

Processes:

resource yara_rule

behavioral12/memory/4172-0-0x0000000000400000-0x000000000047D000-memory.dmp upx
behavioral12/memory/4172-10-0x0000000000400000-0x000000000047D000-memory.dmp upx
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2539840389-1261165778-1087677076-1000\Control Panel\International\Geo\Nation	cmd.exe

pid	process
1728	cpuz.exe

resource	yara_rule
behavioral12/memory/4172-0-0x0000000000400000-0x000000000047D000-memory.dmp	upx
behavioral12/memory/4172-10-0x0000000000400000-0x000000000047D000-memory.dmp	upx

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

cmd.execpuz.exe

description	pid	process	target process
PID 4512 wrote to memory of 4172	4512	cmd.exe	uharc.exe
PID 4512 wrote to memory of 4172	4512	cmd.exe	uharc.exe
PID 4512 wrote to memory of 4172	4512	cmd.exe	uharc.exe
PID 4512 wrote to memory of 1728	4512	cmd.exe	cpuz.exe
PID 4512 wrote to memory of 1728	4512	cmd.exe	cpuz.exe
PID 4512 wrote to memory of 1728	4512	cmd.exe	cpuz.exe
PID 1728 wrote to memory of 3912	1728	cpuz.exe	pcaui.exe
PID 1728 wrote to memory of 3912	1728	cpuz.exe	pcaui.exe

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\HBCD\WinTools\CPUz.bat"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4512

C:\Users\Admin\AppData\Local\Temp\HBCD\uharc.exe
..\uharc.exe x -t"C:\Users\Admin\AppData\Local\Temp" -y+ files\cpuz.uha
2⤵
PID:4172

C:\Users\Admin\AppData\Local\Temp\cpuz.exe
"C:\Users\Admin\AppData\Local\Temp\cpuz.exe"
2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1728

C:\Windows\system32\pcaui.exe
"C:\Windows\system32\pcaui.exe" -g {11111111-1111-1111-1111-111111111111} -x {5fbd2b3e-95b1-42e7-9c39-bc25d0f4fb06} -a "CPUID CPU-Z" -v "CPUID" -s "This app can't run because it causes security or performance issues on Windows. A new version may be available. Check with your software provider for an updated version that runs on this version of Windows." -n 2 -f 0 -k 0 -e "C:\Users\Admin\AppData\Local\Temp\cpuz.exe"
3⤵
PID:3912

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\cpuz.exe
Filesize
1.5MB

MD5
3a42aca239b8a27920534cda277c03c3

SHA1
b9b94a592dcadc5248da8e9cf7ef4e5af213b93d

SHA256
f9710d837a26020c8883712606aa38e13be3c42606f46ac16aefedf0454b1877

SHA512
5d9b459cee340b181a5459ce09194d06a30a60f1fa9358191f43d5b8b47704617304616515ed148caa41b1eb2b74c9015f140810ca3e33480175af3cb7d28dc7

Download Submit
memory/4172-0-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download
memory/4172-10-0x0000000000400000-0x000000000047D000-memory.dmp

Filesize
500KB

Download