1a1636b5c9f7d8026ef4c41c7f1af957a7746370e962c4599a216e2b93c99db3

Analysis

max time kernel
140s
max time network
107s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/08/2024, 13:59

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General

Target

SpyFalcon.exe
Size

1.7MB
MD5

efc3899410403e713bf3c78a27257a9b
SHA1

041f7d356243a91f5413c9fad2ce892c07664b7f
SHA256

ba8f2bd07232667d168f07c39d79f2ce2681dce65ff1e6df8a9b33477ca6cae2
SHA512

4e4aa36c70cec801cfb4996481fcfa24c7e021212d9e771fb4c655918d3a650d39217a20e7bdec74b7422136a4f74d42eab66152bcf69da17bbe36cbc45fa4ca
SSDEEP

24576:pZlJVQgy+nI9oQ0WaB63j/I/OfyptviekjjW7cqstIWET5TbqWg/Pf+:pJDs0Wk2fyptvieO4Yt2Thql/3+

Score

7^/10

discovery

Malware Config

Signatures

Checks BIOS information in registry 2 TTPs 2 IoCs

BIOS information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	SpyFalcon.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	SpyFalcon.exe

Suspicious use of SetThreadContext 38 IoCs

description	pid	Process	procid_target
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84
PID 788 set thread context of 4600	788	SpyFalcon.exe	84

System Location Discovery: System Language Discovery 1 TTPs 2 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	SpyFalcon.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SpyFalcon.exe

Modifies registry class 5 IoCs

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{330A77C2-C15A-43B5-055C-B4E35EAED279}\InProcServer32\ = "%SystemRoot%\\SysWow64\\xwizards.dll"	SpyFalcon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{330A77C2-C15A-43B5-055C-B4E35EAED279}\InProcServer32\ThreadingModel = "Apartment"	SpyFalcon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{330A77C2-C15A-43B5-055C-B4E35EAED279}	SpyFalcon.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{330A77C2-C15A-43B5-055C-B4E35EAED279}\ = "HomeGroup Task"	SpyFalcon.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{330A77C2-C15A-43B5-055C-B4E35EAED279}\InProcServer32	SpyFalcon.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	4600	SpyFalcon.exe
Token: SeIncBasePriorityPrivilege	4600	SpyFalcon.exe
Token: 33	4600	SpyFalcon.exe
Token: SeIncBasePriorityPrivilege	4600	SpyFalcon.exe

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
4600	SpyFalcon.exe
4600	SpyFalcon.exe
4600	SpyFalcon.exe
4600	SpyFalcon.exe
4600	SpyFalcon.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 788 wrote to memory of 4600	788	SpyFalcon.exe	84
PID 788 wrote to memory of 4600	788	SpyFalcon.exe	84
PID 788 wrote to memory of 4600	788	SpyFalcon.exe	84
PID 788 wrote to memory of 4600	788	SpyFalcon.exe	84
PID 788 wrote to memory of 4600	788	SpyFalcon.exe	84

C:\Users\Admin\AppData\Local\Temp\SpyFalcon.exe
"C:\Users\Admin\AppData\Local\Temp\SpyFalcon.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:788
- C:\Users\Admin\AppData\Local\Temp\SpyFalcon.exe
  "C:\Users\Admin\AppData\Local\Temp\SpyFalcon.exe"
  2⤵
  - Checks BIOS information in registry
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:4600

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\SFLanguage.ini

Filesize
31KB

MD5
efa5074cf442355a9fe94078a9f62c0b

SHA1
a1a4533cb2392181af4002fd5b99d3cb423fe9af

SHA256
7d9107f3cf9d8bb219504a9ff696e37ec196b67adedf296dcf34a2f8eaa26024

SHA512
bdcd1e92493ad49fbe66845bcbbe831c6be9664c815d48acf8ad7c36c1ab9a7f25ed2380017247307c1f2218f8488892badd568ac5657b41094189bb45fa3266

Download Submit
memory/788-0-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/788-72-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/4600-16-0x0000000003CD0000-0x0000000003CF0000-memory.dmp

Filesize
128KB

Download
memory/4600-14-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/4600-11-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/4600-13-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/4600-15-0x00000000022B0000-0x0000000002301000-memory.dmp

Filesize
324KB

Download
memory/4600-9-0x00000000022B0000-0x0000000002301000-memory.dmp

Filesize
324KB

Download
memory/4600-12-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/4600-10-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/4600-4-0x00000000022B0000-0x0000000002301000-memory.dmp

Filesize
324KB

Download
memory/4600-70-0x00000000022B0000-0x0000000002301000-memory.dmp

Filesize
324KB

Download
memory/4600-3-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/4600-73-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download
memory/4600-75-0x00000000022B0000-0x0000000002301000-memory.dmp

Filesize
324KB

Download
memory/4600-81-0x0000000000400000-0x000000000074B000-memory.dmp

Filesize
3.3MB

Download