3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d

Analysis

max time kernel
92s
max time network
156s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
01-12-2022 11:38

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General

Target

3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe
Size

428KB
MD5

8d0ed51425b8b2572fa544279dfc011c
SHA1

85a2bb9f5ddbc00550de40a001c2f2e239ed484e
SHA256

3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d
SHA512

a7b35405996c4b4eccf96b10b674e979150d86db30fee19acb0e38c53ea2fac02291179ff5ae0ae9fb3475db8c8fa5b0acc164c60f3959d29b4d3b7aebc2f633
SSDEEP

6144:spjBmZ55Ue2KH7r5yN9JNcWxvRlGsB5HI:IjBgsPKH7r5i9Lx2u

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	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe

Modifies registry class 5 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DABDC0D-AFBE-53A2-6AA9-48B8D33ABEFF}	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DABDC0D-AFBE-53A2-6AA9-48B8D33ABEFF}\ = "Audio Renderer Property Page"	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DABDC0D-AFBE-53A2-6AA9-48B8D33ABEFF}\InprocServer32	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DABDC0D-AFBE-53A2-6AA9-48B8D33ABEFF}\InprocServer32\ = "C:\\Windows\\SysWOW64\\quartz.dll"	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8DABDC0D-AFBE-53A2-6AA9-48B8D33ABEFF}\InprocServer32\ThreadingModel = "Both"	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: 33	3928	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe
Token: SeIncBasePriorityPrivilege	3928	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe
Token: 33	3928	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe
Token: SeIncBasePriorityPrivilege	3928	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3928	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1264 wrote to memory of 3928	1264	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe	80
PID 1264 wrote to memory of 3928	1264	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe	80
PID 1264 wrote to memory of 3928	1264	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe	80
PID 1264 wrote to memory of 3928	1264	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe	80
PID 1264 wrote to memory of 3928	1264	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe	80
PID 1264 wrote to memory of 3928	1264	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe	80
PID 1264 wrote to memory of 3928	1264	3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe	80

C:\Users\Admin\AppData\Local\Temp\3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe
"C:\Users\Admin\AppData\Local\Temp\3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1264
- C:\Users\Admin\AppData\Local\Temp\3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe
  "C:\Users\Admin\AppData\Local\Temp\3e329ac73041fb1ec8fb8a9c5fef3818d040dbdf3e4790e1e91a3c763046a27d.exe"
  2⤵
  - Checks BIOS information in registry
  - Modifies registry class
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of SetWindowsHookEx
  PID:3928

Network

MITRE ATT&CK Enterprise v6

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/1264-132-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/1264-145-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/3928-136-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download
memory/3928-137-0x0000000000700000-0x0000000000742000-memory.dmp

Filesize
264KB

Download
memory/3928-142-0x0000000000701000-0x000000000072B000-memory.dmp

Filesize
168KB

Download
memory/3928-143-0x0000000000404000-0x0000000000405000-memory.dmp

Filesize
4KB

Download
memory/3928-144-0x0000000000405000-0x0000000000406000-memory.dmp

Filesize
4KB

Download
memory/3928-146-0x0000000000400000-0x00000000004A3000-memory.dmp

Filesize
652KB

Download