929adcf731e730ee1251eeef8513fd774b1357c1c3e1da4d287722ed778434f9

Analysis

max time kernel
82s
max time network
195s
platform
windows10_x64
resource
win10-en-20210920
submitted
20-10-2021 15:32

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General

Target

03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe
Size

7.0MB
MD5

4374755e7ce0c9c64bc1425ae7167bbc
SHA1

e2a2fff655b93f687b9f28a52913ebe616a7ba54
SHA256

03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3
SHA512

873bf797f5b3bad34a3243b3dc15937832a0b3004da647e1a8020e47437609ab0791664158d7a9489f2cf6cf91daff59717f9160aa02eec27d41957fd91c6e23

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

Processes:

03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate	03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe

Modifies registry class 5 IoCs

Processes:

03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D4EF29E-E31A-655C-FE52-D8BA485F1500}	03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D4EF29E-E31A-655C-FE52-D8BA485F1500}\ = "Library Folder Context Menu"	03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D4EF29E-E31A-655C-FE52-D8BA485F1500}\InProcServer32	03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D4EF29E-E31A-655C-FE52-D8BA485F1500}\InProcServer32\ = "%SystemRoot%\\SysWow64\\shell32.dll"	03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{9D4EF29E-E31A-655C-FE52-D8BA485F1500}\InProcServer32\ThreadingModel = "Apartment"	03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

Processes:

03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe

description	pid	process
Token: 33	3476	03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe
Token: SeIncBasePriorityPrivilege	3476	03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe
Token: SeDebugPrivilege	3476	03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe

C:\Users\Admin\AppData\Local\Temp\03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe
"C:\Users\Admin\AppData\Local\Temp\03ff897da4bfb8bc549fdb1ebf7ee940bcb9b57fed7d26d83c45d1e9ec1f40b3.exe"
1⤵
- Checks BIOS information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:3476

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/3476-118-0x00000000033F0000-0x00000000034E9000-memory.dmp

Filesize
996KB

Download
memory/3476-122-0x0000000000400000-0x0000000001762000-memory.dmp

Filesize
19.4MB

Download
memory/3476-123-0x0000000000400000-0x0000000001762000-memory.dmp

Filesize
19.4MB

Download
memory/3476-124-0x0000000000400000-0x0000000001762000-memory.dmp

Filesize
19.4MB

Download
memory/3476-125-0x0000000001810000-0x0000000001820000-memory.dmp

Filesize
64KB

Download
memory/3476-126-0x0000000003240000-0x0000000003241000-memory.dmp

Filesize
4KB

Download