e1754f93f15c5d36ab0bea9baa22ba8108170f8f641f67bdab449a707572bd63

Analysis

max time kernel
148s
max time network
167s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 22:49

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General

Target

41534447f7279880c73f606a4a3b469c.exe
Size

1.6MB
MD5

41534447f7279880c73f606a4a3b469c
SHA1

446aa35ff703995042df4ccb6a6a3240f31a99d8
SHA256

e1754f93f15c5d36ab0bea9baa22ba8108170f8f641f67bdab449a707572bd63
SHA512

40b06b65f9f4fb5eb4bbd8b59de79c73d4a8ab18a288b97b8207a017db8e917a036575840567505a35c968714a0dc7825784a73e5cff3f70c0ed938bd6d52fca
SSDEEP

49152:Z9pkT//LEkPUf3ywg/UsbjC/uXSSKepjeY/Lky:ZALrUf3ywgssjC/uXVjeA

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\SystemBiosVersion	41534447f7279880c73f606a4a3b469c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	41534447f7279880c73f606a4a3b469c.exe

Modifies registry class 11 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{165CEC4B-0154-C08B-E0B3-58CDC5653271}	41534447f7279880c73f606a4a3b469c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{165CEC4B-0154-C08B-E0B3-58CDC5653271}\AppID = "{03e15b2e-cca6-451c-8fb0-1e2ee37a27dd}"	41534447f7279880c73f606a4a3b469c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{165CEC4B-0154-C08B-E0B3-58CDC5653271}\LocalizedString = "@%systemroot%\\system32\\tapiui.dll,-1"	41534447f7279880c73f606a4a3b469c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{165CEC4B-0154-C08B-E0B3-58CDC5653271}\Elevation	41534447f7279880c73f606a4a3b469c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{165CEC4B-0154-C08B-E0B3-58CDC5653271}\Elevation\IconReference = "@%systemroot%\\system32\\tapiui.dll,-201"	41534447f7279880c73f606a4a3b469c.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{165CEC4B-0154-C08B-E0B3-58CDC5653271}\InprocServer32	41534447f7279880c73f606a4a3b469c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{165CEC4B-0154-C08B-E0B3-58CDC5653271}\ = "CTapiLuaLib Class"	41534447f7279880c73f606a4a3b469c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{165CEC4B-0154-C08B-E0B3-58CDC5653271}\Elevation\	41534447f7279880c73f606a4a3b469c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{165CEC4B-0154-C08B-E0B3-58CDC5653271}\Elevation\Enabled = "1"	41534447f7279880c73f606a4a3b469c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{165CEC4B-0154-C08B-E0B3-58CDC5653271}\InprocServer32\ = "%systemroot%\\SysWow64\\tapilua.dll"	41534447f7279880c73f606a4a3b469c.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{165CEC4B-0154-C08B-E0B3-58CDC5653271}\InprocServer32\ThreadingModel = "Apartment"	41534447f7279880c73f606a4a3b469c.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	3312	41534447f7279880c73f606a4a3b469c.exe
Token: SeIncBasePriorityPrivilege	3312	41534447f7279880c73f606a4a3b469c.exe

C:\Users\Admin\AppData\Local\Temp\41534447f7279880c73f606a4a3b469c.exe
"C:\Users\Admin\AppData\Local\Temp\41534447f7279880c73f606a4a3b469c.exe"
1⤵
- Checks BIOS information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3312

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/3312-0-0x0000000000400000-0x00000000005E9000-memory.dmp

Filesize
1.9MB

Download
memory/3312-2-0x0000000002320000-0x0000000002423000-memory.dmp

Filesize
1.0MB

Download
memory/3312-9-0x0000000002320000-0x0000000002423000-memory.dmp

Filesize
1.0MB

Download
memory/3312-8-0x0000000002320000-0x0000000002423000-memory.dmp

Filesize
1.0MB

Download
memory/3312-11-0x0000000002320000-0x0000000002423000-memory.dmp

Filesize
1.0MB

Download
memory/3312-12-0x0000000002320000-0x0000000002423000-memory.dmp

Filesize
1.0MB

Download
memory/3312-14-0x0000000002320000-0x0000000002423000-memory.dmp

Filesize
1.0MB

Download
memory/3312-15-0x0000000000400000-0x00000000005E9000-memory.dmp

Filesize
1.9MB

Download
memory/3312-17-0x0000000000400000-0x00000000005E9000-memory.dmp

Filesize
1.9MB

Download
memory/3312-16-0x0000000000400000-0x00000000005E9000-memory.dmp

Filesize
1.9MB

Download
memory/3312-18-0x0000000002320000-0x0000000002423000-memory.dmp

Filesize
1.0MB

Download
memory/3312-20-0x0000000000400000-0x00000000005E9000-memory.dmp

Filesize
1.9MB

Download
memory/3312-19-0x0000000002320000-0x0000000002423000-memory.dmp

Filesize
1.0MB

Download