b5776bef66403d0e6488f8acd8782d4226f4c1b8ecff872388e3d1e8f6057767

Analysis

max time kernel
148s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2022 07:34

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General

Target

hsyiv.bin.exe
Size

14KB
MD5

59a2f3c3d2e53dc02e8a4c7fcdcc8437
SHA1

82b44fd36dd5a203552e6488fca1c0f2bfbccdb5
SHA256

b5776bef66403d0e6488f8acd8782d4226f4c1b8ecff872388e3d1e8f6057767
SHA512

05fef69ab781dc5af3dc499c61152260eed828f8ea90e27a3c0e6f0d3d8dc54766fe13b5fcf3d0f8c2dda08fdd092ec35c532cd04eac6844be4ee1f2625ee5a0
SSDEEP

384:/ckDjtqzcszJRPAO6fmC1bUL9NX8wV+aoUyexBTi1Pf:0e+JPokCZY78wE5lejTid

Score

7^/10

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:

hsyiv.bin.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	hsyiv.bin.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

powershell.exe

pid process

2572 powershell.exe
2572 powershell.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

hsyiv.bin.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3932 hsyiv.bin.exe
Token: SeDebugPrivilege 2572 powershell.exe

pid	process
2572	powershell.exe
2572	powershell.exe

description	pid	process
Token: SeDebugPrivilege	3932	hsyiv.bin.exe
Token: SeDebugPrivilege	2572	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

hsyiv.bin.exe

description	pid	process	target process
PID 3932 wrote to memory of 2572	3932	hsyiv.bin.exe	powershell.exe
PID 3932 wrote to memory of 2572	3932	hsyiv.bin.exe	powershell.exe
PID 3932 wrote to memory of 2572	3932	hsyiv.bin.exe	powershell.exe

C:\Users\Admin\AppData\Local\Temp\hsyiv.bin.exe
"C:\Users\Admin\AppData\Local\Temp\hsyiv.bin.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3932

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA2AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2572

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2572-136-0x0000000000000000-mapping.dmp

Download
memory/2572-137-0x0000000002780000-0x00000000027B6000-memory.dmp

Filesize
216KB

Download
memory/2572-138-0x0000000005400000-0x0000000005A28000-memory.dmp

Filesize
6.2MB

Download
memory/2572-139-0x0000000005170000-0x00000000051D6000-memory.dmp

Filesize
408KB

Download
memory/2572-140-0x0000000005AA0000-0x0000000005B06000-memory.dmp

Filesize
408KB

Download
memory/2572-141-0x00000000060A0000-0x00000000060BE000-memory.dmp

Filesize
120KB

Download
memory/2572-142-0x00000000076D0000-0x0000000007D4A000-memory.dmp

Filesize
6.5MB

Download
memory/2572-143-0x00000000065A0000-0x00000000065BA000-memory.dmp

Filesize
104KB

Download
memory/3932-132-0x0000000000F10000-0x0000000000F1A000-memory.dmp

Filesize
40KB

Download
memory/3932-133-0x0000000007730000-0x00000000077C2000-memory.dmp

Filesize
584KB

Download
memory/3932-134-0x0000000007D80000-0x0000000008324000-memory.dmp

Filesize
5.6MB

Download
memory/3932-135-0x0000000003190000-0x00000000031B2000-memory.dmp

Filesize
136KB

Download