16c51826c4a6070da0f0a6762723d82bdc66e2453d591c2cdb0ae59e1cd23213

General

Target

8b8df6391b5a71ed0217ffc5367f0dec.exe
Size

518KB
MD5

8b8df6391b5a71ed0217ffc5367f0dec
SHA1

842c948438c132ae162024198fd6e616c170c259
SHA256

16c51826c4a6070da0f0a6762723d82bdc66e2453d591c2cdb0ae59e1cd23213
SHA512

75124d436c96ee6b2be1889d46e7da7b4aad771608bc5b0260f8727af6665d7525561a3ff1298427c6bf2fcfc576ada53b732d4a33274322b815f5adb90d94ce
SSDEEP

12288:dYvksw0qRRIKmn4YCs7LvMXtto1fJda+9EiBZSi:dYvksmRQt7UtuJLH9EiBZSi

Score

9^/10

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__	8b8df6391b5a71ed0217ffc5367f0dec.exe

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1168293393-3419776239-306423207-1000\Control Panel\International\Geo\Nation	8b8df6391b5a71ed0217ffc5367f0dec.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	s4072.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s4072.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s4072.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	s4072.exe
File created	C:\Windows\assembly\Desktop.ini	s4072.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s4072.exe

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	8b8df6391b5a71ed0217ffc5367f0dec.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	8b8df6391b5a71ed0217ffc5367f0dec.exe

Suspicious behavior: EnumeratesProcesses 5 IoCs

pid	Process
4132	8b8df6391b5a71ed0217ffc5367f0dec.exe
4132	8b8df6391b5a71ed0217ffc5367f0dec.exe
2760	s4072.exe
2760	s4072.exe
2760	s4072.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	s4072.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2760	s4072.exe
2760	s4072.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4132 wrote to memory of 2760	4132	8b8df6391b5a71ed0217ffc5367f0dec.exe	87
PID 4132 wrote to memory of 2760	4132	8b8df6391b5a71ed0217ffc5367f0dec.exe	87

C:\Users\Admin\AppData\Local\Temp\8b8df6391b5a71ed0217ffc5367f0dec.exe
"C:\Users\Admin\AppData\Local\Temp\8b8df6391b5a71ed0217ffc5367f0dec.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4132
- C:\Users\Admin\AppData\Local\Temp\n4072\s4072.exe
  "C:\Users\Admin\AppData\Local\Temp\n4072\s4072.exe" 00bd1363c364c7accf5a993f5GV5FTCSKIYVcxi7XHSanDt7mNM8kAqOc9OtXJjGbL3XXpozjKBhwMomM6+0NleirbkyURCkOQXif4RWfdQgToVgVb3O/kKVF6VRM7J1dGlTsCvZkyxoi8scST6JpGJ5kq+s4PCmh75ROSwWnDSYwcti /v "C:\Users\Admin\AppData\Local\Temp\8b8df6391b5a71ed0217ffc5367f0dec.exe"
  2⤵
  - Executes dropped EXE
  - Drops desktop.ini file(s)
  - Drops file in Windows directory
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:2760

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1497

Credential Access

Discovery

Query Registry

3

T1012

System Information Discovery

3

T1082

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\n4072\s4072.exe

Filesize
230KB

MD5
f6bf052647bbf9a0fc34da26907be904

SHA1
007955815a3f142fa279a04fdc360e7fb9b5a324

SHA256
bac01719e43d9019ec34d749dd76274c0e49843bd0c8789ac1df0a5850e4919d

SHA512
88b0d37f4615dbe6e277d3d32b9a82e76f8c7982367057d4c0697f73736b91fe2668adf13ce14867e256eb84a03846ed1566dd4ddf2745754b5ebcad2de24f9e

Download Submit
memory/2760-13-0x0000000001210000-0x0000000001220000-memory.dmp

Filesize
64KB

Download
memory/2760-12-0x00007FFA0E900000-0x00007FFA0F2A1000-memory.dmp

Filesize
9.6MB

Download
memory/2760-22-0x0000000001300000-0x0000000001312000-memory.dmp

Filesize
72KB

Download
memory/2760-26-0x000000001C190000-0x000000001C22C000-memory.dmp

Filesize
624KB

Download
memory/2760-25-0x000000001C750000-0x000000001CC1E000-memory.dmp

Filesize
4.8MB

Download
memory/2760-27-0x000000001CF00000-0x000000001CF62000-memory.dmp

Filesize
392KB

Download
memory/2760-28-0x0000000001210000-0x0000000001220000-memory.dmp

Filesize
64KB

Download
memory/2760-29-0x000000001B9D0000-0x000000001B9D8000-memory.dmp

Filesize
32KB

Download
memory/2760-30-0x0000000001210000-0x0000000001220000-memory.dmp

Filesize
64KB

Download
memory/2760-31-0x0000000001210000-0x0000000001220000-memory.dmp

Filesize
64KB

Download
memory/2760-33-0x0000000001210000-0x0000000001220000-memory.dmp

Filesize
64KB

Download
memory/2760-32-0x0000000001210000-0x0000000001220000-memory.dmp

Filesize
64KB

Download
memory/2760-34-0x0000000020B20000-0x000000002102E000-memory.dmp

Filesize
5.1MB

Download
memory/2760-35-0x000000001E820000-0x000000001E95C000-memory.dmp

Filesize
1.2MB

Download
memory/2760-37-0x00007FFA0E900000-0x00007FFA0F2A1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads