f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92

General

Target

f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe
Size

496KB
MD5

a75f4e9f42dcfdbb0142daec7d86261c
SHA1

acd55d6988f7a4cdc66eddfc782ab72c89ecffee
SHA256

f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92
SHA512

a9e4f716acf53e8e38bf638e6bdf3e5910a0079734488dcbfa4dbf24246e75005da9e823b42b1873b3b82f6000b97cee20b10f8e59d5c678f7cbcb40fa0f8eed
SSDEEP

12288:Clzo33HHzk1uxJZCr2vxtl2uw1TVdsovFjW+1:Clzo33HHzpf8C/l299VdlFj91

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__	f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.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-1-5-21-2636447293-1148739154-93880854-1000\Control Panel\International\Geo\Nation	f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe

Executes dropped EXE 1 IoCs

pid	Process
4480	s8571.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	s8571.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	s8571.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	s8571.exe
File opened for modification	C:\Windows\assembly	s8571.exe
File created	C:\Windows\assembly\Desktop.ini	s8571.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
4188	1288	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	f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.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	f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
1288	f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe
1288	f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe
4480	s8571.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4480	s8571.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4480	s8571.exe
4480	s8571.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 1288 wrote to memory of 4480	1288	f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe	84
PID 1288 wrote to memory of 4480	1288	f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe	84

C:\Users\Admin\AppData\Local\Temp\f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.exe
"C:\Users\Admin\AppData\Local\Temp\f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.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:1288
- C:\Users\Admin\AppData\Local\Temp\n8571\s8571.exe
  "C:\Users\Admin\AppData\Local\Temp\n8571\s8571.exe" ins.exe /e11738482 /u51938065-e47c-4b97-bfda-2a105bc06f2f /v"C:\Users\Admin\AppData\Local\Temp\f46ca9f9ce10a5e7d09839a060ae2180439b4812abbcb9f0da952a963c5d5a92.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:4480
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1288 -s 4480
  2⤵
  - Program crash
  PID:4188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1288 -ip 1288
1⤵
PID:3440

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\n8571\s8571.exe

Filesize
275KB

MD5
316287c0010874356127dd8b7bc17896

SHA1
0939ad854954393f052f5ba64b6c4b8e03a8866b

SHA256
69d0557e8d695a1d44ed91b643b93a01a2fd74056dc21bf334965f5045e8f4c9

SHA512
1d995b5e18bdf387a42d0029d20c1f2889fa70c5bc8895df674fc83e3b49bb2acd8031966b593cff2b72438bde929a50a7558adc1df5d8cae7097b8fedb39c1c

Download Submit
memory/4480-11-0x00007FFEDE525000-0x00007FFEDE526000-memory.dmp

Filesize
4KB

Download
memory/4480-12-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

Filesize
9.6MB

Download
memory/4480-13-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

Filesize
9.6MB

Download
memory/4480-14-0x000000001B760000-0x000000001B76A000-memory.dmp

Filesize
40KB

Download
memory/4480-17-0x000000001BEC0000-0x000000001C38E000-memory.dmp

Filesize
4.8MB

Download
memory/4480-18-0x000000001C430000-0x000000001C4CC000-memory.dmp

Filesize
624KB

Download
memory/4480-19-0x0000000001360000-0x0000000001368000-memory.dmp

Filesize
32KB

Download
memory/4480-20-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

Filesize
9.6MB

Download
memory/4480-21-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

Filesize
9.6MB

Download
memory/4480-22-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

Filesize
9.6MB

Download
memory/4480-23-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

Filesize
9.6MB

Download
memory/4480-24-0x000000001FCD0000-0x000000001FD32000-memory.dmp

Filesize
392KB

Download
memory/4480-25-0x0000000020340000-0x000000002047C000-memory.dmp

Filesize
1.2MB

Download
memory/4480-26-0x0000000020990000-0x0000000020E9E000-memory.dmp

Filesize
5.1MB

Download
memory/4480-27-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

Filesize
9.6MB

Download
memory/4480-28-0x00007FFEDE525000-0x00007FFEDE526000-memory.dmp

Filesize
4KB

Download
memory/4480-29-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

Filesize
9.6MB

Download
memory/4480-30-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

Filesize
9.6MB

Download
memory/4480-32-0x00007FFEDE270000-0x00007FFEDEC11000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads