177291e1dc296f6954f5494fc824e47a38e98928fe0ed5d0e1232d16f8760370

Analysis

max time kernel
151s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
05-03-2024 09:05

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General

Target

b4524233ddf6bc6c117894ffb630b6aa.exe
Size

504KB
MD5

b4524233ddf6bc6c117894ffb630b6aa
SHA1

4d7e81fe5fa729473179fddd4196eb948ce82cc5
SHA256

177291e1dc296f6954f5494fc824e47a38e98928fe0ed5d0e1232d16f8760370
SHA512

ffd7147bb8f379e903f8e69f86b365235a3d73aa67878cbd5de225e7461d225e14c8bebdd25b792cb8e1758ac5026db5fa44dd8367050a855c59cc15a4057ec7
SSDEEP

6144:5JuBlgLI2Lo2a5oLj7URE/Oh5nW1h0p0tqJuxrGAY:fucLo2airUREEn+B8JusA

Score

7^/10

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\SystemBiosDate	b4524233ddf6bc6c117894ffb630b6aa.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	b4524233ddf6bc6c117894ffb630b6aa.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4904	2204	WerFault.exe	94

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{907FEBCC-0673-92AD-A09A-DE68BB9FDF4F}	b4524233ddf6bc6c117894ffb630b6aa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{907FEBCC-0673-92AD-A09A-DE68BB9FDF4F}\ = "Microsoft Account Device Identity"	b4524233ddf6bc6c117894ffb630b6aa.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{907FEBCC-0673-92AD-A09A-DE68BB9FDF4F}\InprocServer32	b4524233ddf6bc6c117894ffb630b6aa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{907FEBCC-0673-92AD-A09A-DE68BB9FDF4F}\InprocServer32\ = "%SystemRoot%\\SysWow64\\wlidprov.dll"	b4524233ddf6bc6c117894ffb630b6aa.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{907FEBCC-0673-92AD-A09A-DE68BB9FDF4F}\InprocServer32\ThreadingModel = "Both"	b4524233ddf6bc6c117894ffb630b6aa.exe

NTFS ADS 2 IoCs

description	ioc	Process
File created	C:\ProgramData\TEMP:064E3355	b4524233ddf6bc6c117894ffb630b6aa.exe
File opened for modification	C:\ProgramData\TEMP:064E3355	b4524233ddf6bc6c117894ffb630b6aa.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	2204	b4524233ddf6bc6c117894ffb630b6aa.exe
Token: SeIncBasePriorityPrivilege	2204	b4524233ddf6bc6c117894ffb630b6aa.exe

C:\Users\Admin\AppData\Local\Temp\b4524233ddf6bc6c117894ffb630b6aa.exe
"C:\Users\Admin\AppData\Local\Temp\b4524233ddf6bc6c117894ffb630b6aa.exe"
1⤵
- Checks BIOS information in registry
- Modifies registry class
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
PID:2204
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2204 -s 872
  2⤵
  - Program crash
  PID:4904

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2204 -ip 2204
1⤵
PID:5000

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3912 --field-trial-handle=2248,i,10247514684337323751,15511974759131734137,262144 --variations-seed-version /prefetch:8
1⤵
PID:1912

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2204-0-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2204-2-0x00000000004D0000-0x000000000051D000-memory.dmp

Filesize
308KB

Download
memory/2204-9-0x00000000004D0000-0x000000000051D000-memory.dmp

Filesize
308KB

Download
memory/2204-10-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download
memory/2204-11-0x00000000004D0000-0x000000000051D000-memory.dmp

Filesize
308KB

Download
memory/2204-12-0x0000000000400000-0x00000000004B5000-memory.dmp

Filesize
724KB

Download