707f204f3ea0eeb8aacfb39140f26c9b9b7f4e5878f811b068c9549b22055c81

General

Target

8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.exe
Size

491KB
MD5

8e1c3cb1a8dcb4c6e02a47ab6b0152b0
SHA1

433226c2c953929a3bb7eb9bd6a1b8e3481fee86
SHA256

707f204f3ea0eeb8aacfb39140f26c9b9b7f4e5878f811b068c9549b22055c81
SHA512

61fd9b442934de353c75783cb1296d952788e2803d9765a767c33aafe3ae0e8c6c5797e1b153751c8d965cd59b12251d1253d6bc8846f7717d4117889a80b848
SSDEEP

12288:aJW3oa+kXJQWJ0d4tlMgvkepHc1vVgoBjWwUc:aJW3oa+MVY+lFcYHcpVzj3z

Score

9^/10

discovery 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__	8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.exe

Executes dropped EXE 1 IoCs

pid	Process
1960	s3872.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s3872.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s3872.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	s3872.exe
File created	C:\Windows\assembly\Desktop.ini	s3872.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s3872.exe

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1808	4280	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.exe

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	8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4280	8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.exe
4280	8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.exe
1960	s3872.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	s3872.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1960	s3872.exe
1960	s3872.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4280 wrote to memory of 1960	4280	8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.exe	86
PID 4280 wrote to memory of 1960	4280	8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.exe	86

C:\Users\Admin\AppData\Local\Temp\8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.exe
"C:\Users\Admin\AppData\Local\Temp\8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.exe"
1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4280
- C:\Users\Admin\AppData\Local\Temp\n3872\s3872.exe
  "C:\Users\Admin\AppData\Local\Temp\n3872\s3872.exe" ins.exe /t534f7e8d9d79abf0268b4571 /e12643871 /ucf7d65aa-9fa4-11e3-8a58-80c16e6f498c /v"C:\Users\Admin\AppData\Local\Temp\8e1c3cb1a8dcb4c6e02a47ab6b0152b0N.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:1960
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4280 -s 4468
  2⤵
  - Program crash
  PID:1808

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4280 -ip 4280
1⤵
PID:728

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

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Virtualization/Sandbox Evasion

1

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\n3872\s3872.exe

Filesize
275KB

MD5
316287c0010874356127dd8b7bc17896

SHA1
0939ad854954393f052f5ba64b6c4b8e03a8866b

SHA256
69d0557e8d695a1d44ed91b643b93a01a2fd74056dc21bf334965f5045e8f4c9

SHA512
1d995b5e18bdf387a42d0029d20c1f2889fa70c5bc8895df674fc83e3b49bb2acd8031966b593cff2b72438bde929a50a7558adc1df5d8cae7097b8fedb39c1c

Download Submit
memory/1960-11-0x00007FF8EC845000-0x00007FF8EC846000-memory.dmp

Filesize
4KB

Download
memory/1960-12-0x00007FF8EC590000-0x00007FF8ECF31000-memory.dmp

Filesize
9.6MB

Download
memory/1960-13-0x00007FF8EC590000-0x00007FF8ECF31000-memory.dmp

Filesize
9.6MB

Download
memory/1960-14-0x0000000000A30000-0x0000000000A3A000-memory.dmp

Filesize
40KB

Download
memory/1960-17-0x000000001B670000-0x000000001BB3E000-memory.dmp

Filesize
4.8MB

Download
memory/1960-18-0x000000001BBE0000-0x000000001BC7C000-memory.dmp

Filesize
624KB

Download
memory/1960-19-0x0000000000A00000-0x0000000000A08000-memory.dmp

Filesize
32KB

Download
memory/1960-20-0x00007FF8EC590000-0x00007FF8ECF31000-memory.dmp

Filesize
9.6MB

Download
memory/1960-21-0x00007FF8EC590000-0x00007FF8ECF31000-memory.dmp

Filesize
9.6MB

Download
memory/1960-22-0x00007FF8EC590000-0x00007FF8ECF31000-memory.dmp

Filesize
9.6MB

Download
memory/1960-23-0x00007FF8EC590000-0x00007FF8ECF31000-memory.dmp

Filesize
9.6MB

Download
memory/1960-24-0x000000001F480000-0x000000001F4E2000-memory.dmp

Filesize
392KB

Download
memory/1960-25-0x000000001FB00000-0x000000001FC3C000-memory.dmp

Filesize
1.2MB

Download
memory/1960-26-0x0000000020150000-0x000000002065E000-memory.dmp

Filesize
5.1MB

Download
memory/1960-27-0x00007FF8EC590000-0x00007FF8ECF31000-memory.dmp

Filesize
9.6MB

Download
memory/1960-28-0x00007FF8EC590000-0x00007FF8ECF31000-memory.dmp

Filesize
9.6MB

Download
memory/1960-30-0x00007FF8EC590000-0x00007FF8ECF31000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads