13fc08b4f0cfb518d408bca1c771b5f99b274065660d9a2be5e8308a139e8157

General

Target

c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
Size

500KB
MD5

c83c0aeacdd57fe2b3b5028d2ed1cea9
SHA1

9945169e5d489c25921fff17530ce447c62b88c7
SHA256

13fc08b4f0cfb518d408bca1c771b5f99b274065660d9a2be5e8308a139e8157
SHA512

bef46632a4e1132c5939ddef4d5aab31f60324263db5deb5f7b2bb31a0440d0001891b1e5419f5f9b5731e73f6d3379e311bffc91884f7466c6726ce69841dba
SSDEEP

6144:vBvV8KdpmmIGXsDSRkV0z6IMc9SPoajdz51IR7qb20WFP/XauRWnCSeL1o5VY9w:vBtZTwBDSF39zRm6KuKCSC1X

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__	c83c0aeacdd57fe2b3b5028d2ed1cea9.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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe

Executes dropped EXE 1 IoCs

pid	Process
2912	s916.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s916.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s916.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	s916.exe
File created	C:\Windows\assembly\Desktop.ini	s916.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s916.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
2100	2792	WerFault.exe	86

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	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2792	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
2792	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
2912	s916.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	s916.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2912	s916.exe
2912	s916.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2912	2792	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe	91
PID 2792 wrote to memory of 2912	2792	c83c0aeacdd57fe2b3b5028d2ed1cea9.exe	91

C:\Users\Admin\AppData\Local\Temp\c83c0aeacdd57fe2b3b5028d2ed1cea9.exe
"C:\Users\Admin\AppData\Local\Temp\c83c0aeacdd57fe2b3b5028d2ed1cea9.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:2792
- C:\Users\Admin\AppData\Local\Temp\n916\s916.exe
  "C:\Users\Admin\AppData\Local\Temp\n916\s916.exe" ins.exe /t 5384a46a561ca3393e8b4e59 /e 12637280 /u 29cc71b0-a872-11e3-8a58-80c16e6f498c /v "C:\Users\Admin\AppData\Local\Temp\c83c0aeacdd57fe2b3b5028d2ed1cea9.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:2912
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2792 -s 4480
  2⤵
  - Program crash
  PID:2100

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2792 -ip 2792
1⤵
PID:1588

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\n916\s916.exe

Filesize
284KB

MD5
709f5012028d4342464f9244e468f655

SHA1
adea3d39c0b2356a5124c10bfeeaa7af7fa8593a

SHA256
0fe9a2e6600582cff74673810979d3d89273088c2b9a07378df44e3cab7b14b7

SHA512
12198b05cafb236934b11e655ebad407f45ac1b5a3502f7539ddc053a54e1c5cc933914899af6e48653a78236140ed4758b53ce1beab5bbc6823cee36cdf4b74

Download Submit
memory/2912-11-0x00007FFD93210000-0x00007FFD93BB1000-memory.dmp

Filesize
9.6MB

Download
memory/2912-12-0x0000000000F50000-0x0000000000F60000-memory.dmp

Filesize
64KB

Download
memory/2912-14-0x00007FFD93210000-0x00007FFD93BB1000-memory.dmp

Filesize
9.6MB

Download
memory/2912-13-0x0000000000F40000-0x0000000000F4A000-memory.dmp

Filesize
40KB

Download
memory/2912-17-0x000000001BBC0000-0x000000001C08E000-memory.dmp

Filesize
4.8MB

Download
memory/2912-18-0x000000001C130000-0x000000001C1CC000-memory.dmp

Filesize
624KB

Download
memory/2912-19-0x0000000000F30000-0x0000000000F38000-memory.dmp

Filesize
32KB

Download
memory/2912-20-0x0000000000F50000-0x0000000000F60000-memory.dmp

Filesize
64KB

Download
memory/2912-21-0x0000000000F50000-0x0000000000F60000-memory.dmp

Filesize
64KB

Download
memory/2912-22-0x0000000000F50000-0x0000000000F60000-memory.dmp

Filesize
64KB

Download
memory/2912-23-0x0000000000F50000-0x0000000000F60000-memory.dmp

Filesize
64KB

Download
memory/2912-24-0x000000001F9D0000-0x000000001FA32000-memory.dmp

Filesize
392KB

Download
memory/2912-25-0x0000000020050000-0x000000002018C000-memory.dmp

Filesize
1.2MB

Download
memory/2912-26-0x00000000206A0000-0x0000000020BAE000-memory.dmp

Filesize
5.1MB

Download
memory/2912-27-0x0000000020BB0000-0x0000000020CB0000-memory.dmp

Filesize
1024KB

Download
memory/2912-29-0x00007FFD93210000-0x00007FFD93BB1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads