88688772a6fddceeb5924f53789d06e8aa4f830d991b982070ec4627d4a24c1b

General

Target

710c047cf74a8fe15d15232d5b382ce0N.exe
Size

500KB
MD5

710c047cf74a8fe15d15232d5b382ce0
SHA1

2201544c4ebd543078a025f87d9f435a82aed8ec
SHA256

88688772a6fddceeb5924f53789d06e8aa4f830d991b982070ec4627d4a24c1b
SHA512

09893fcb15c6791558c02fe83db9f6a087aaa3598633c36ae909ff888874904885d9c55b6741ca8a6c31479bb63f0202487eef4913c31a3d064b14621ae8955a
SSDEEP

6144:WBvV8KdpmmIGXsDSRkV0z6IMc9SPoajdz51IR7qb20WFP/XauRWnCSeL1o5VY9:WBtZTwBDSF39zRm6KuKCSC1X

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__	710c047cf74a8fe15d15232d5b382ce0N.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-1-5-21-1705699165-553239100-4129523827-1000\Control Panel\International\Geo\Nation	710c047cf74a8fe15d15232d5b382ce0N.exe

Executes dropped EXE 1 IoCs

pid	Process
4520	s8351.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s8351.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s8351.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	s8351.exe
File created	C:\Windows\assembly\Desktop.ini	s8351.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s8351.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
1320	4816	WerFault.exe	83

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	710c047cf74a8fe15d15232d5b382ce0N.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	710c047cf74a8fe15d15232d5b382ce0N.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	710c047cf74a8fe15d15232d5b382ce0N.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
4816	710c047cf74a8fe15d15232d5b382ce0N.exe
4816	710c047cf74a8fe15d15232d5b382ce0N.exe
4520	s8351.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4520	s8351.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4520	s8351.exe
4520	s8351.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 4816 wrote to memory of 4520	4816	710c047cf74a8fe15d15232d5b382ce0N.exe	88
PID 4816 wrote to memory of 4520	4816	710c047cf74a8fe15d15232d5b382ce0N.exe	88

C:\Users\Admin\AppData\Local\Temp\710c047cf74a8fe15d15232d5b382ce0N.exe
"C:\Users\Admin\AppData\Local\Temp\710c047cf74a8fe15d15232d5b382ce0N.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:4816
- C:\Users\Admin\AppData\Local\Temp\n8351\s8351.exe
  "C:\Users\Admin\AppData\Local\Temp\n8351\s8351.exe" ins.exe /t 537d27ce561ca3380d8b4d8d /e 12738328 /u c2b30e9f-da98-11e3-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\710c047cf74a8fe15d15232d5b382ce0N.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:4520
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4816 -s 4476
  2⤵
  - Program crash
  PID:1320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4816 -ip 4816
1⤵
PID:2420

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\n8351\s8351.exe

Filesize
284KB

MD5
709f5012028d4342464f9244e468f655

SHA1
adea3d39c0b2356a5124c10bfeeaa7af7fa8593a

SHA256
0fe9a2e6600582cff74673810979d3d89273088c2b9a07378df44e3cab7b14b7

SHA512
12198b05cafb236934b11e655ebad407f45ac1b5a3502f7539ddc053a54e1c5cc933914899af6e48653a78236140ed4758b53ce1beab5bbc6823cee36cdf4b74

Download Submit
memory/4520-11-0x00007FFA46025000-0x00007FFA46026000-memory.dmp

Filesize
4KB

Download
memory/4520-12-0x00007FFA45D70000-0x00007FFA46711000-memory.dmp

Filesize
9.6MB

Download
memory/4520-13-0x00007FFA45D70000-0x00007FFA46711000-memory.dmp

Filesize
9.6MB

Download
memory/4520-14-0x00000000010A0000-0x00000000010AA000-memory.dmp

Filesize
40KB

Download
memory/4520-17-0x000000001BC20000-0x000000001C0EE000-memory.dmp

Filesize
4.8MB

Download
memory/4520-18-0x000000001C190000-0x000000001C22C000-memory.dmp

Filesize
624KB

Download
memory/4520-19-0x00000000010B0000-0x00000000010B8000-memory.dmp

Filesize
32KB

Download
memory/4520-20-0x00007FFA45D70000-0x00007FFA46711000-memory.dmp

Filesize
9.6MB

Download
memory/4520-21-0x00007FFA45D70000-0x00007FFA46711000-memory.dmp

Filesize
9.6MB

Download
memory/4520-22-0x00007FFA45D70000-0x00007FFA46711000-memory.dmp

Filesize
9.6MB

Download
memory/4520-23-0x00007FFA45D70000-0x00007FFA46711000-memory.dmp

Filesize
9.6MB

Download
memory/4520-24-0x000000001D400000-0x000000001D462000-memory.dmp

Filesize
392KB

Download
memory/4520-25-0x000000001FD30000-0x000000001FE6C000-memory.dmp

Filesize
1.2MB

Download
memory/4520-26-0x0000000020380000-0x000000002088E000-memory.dmp

Filesize
5.1MB

Download
memory/4520-27-0x00007FFA45D70000-0x00007FFA46711000-memory.dmp

Filesize
9.6MB

Download
memory/4520-28-0x00007FFA45D70000-0x00007FFA46711000-memory.dmp

Filesize
9.6MB

Download
memory/4520-29-0x00007FFA46025000-0x00007FFA46026000-memory.dmp

Filesize
4KB

Download
memory/4520-31-0x00007FFA45D70000-0x00007FFA46711000-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