ce2082b831f4e7d566338d1c4b5dcabe504186564b34188bd3664ab6d7c5b835

Analysis

max time kernel
153s
max time network
171s
platform
windows10-2004_x64
resource
win10v2004-20220414-en
submitted
21-05-2022 02:07

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General

Target

file.exe
Size

460KB
MD5

7753b2e80f90c21024a33e9d6dd8804c
SHA1

3760b58f20b36c1945475458a0425de2edf682db
SHA256

a314527c483746231794e1c087529350230c74562a776f78319086f92e164418
SHA512

75e9f6d6e0456d6cf724a9c02d09aa9a6d6df7a478382051c57d39cbbc53af883b72fc44cdafda724fddb868ce01fee93e887afb99e319eaf21fafd53ac55733

Score

9^/10

evasion

Malware Config

Signatures

Looks for VirtualBox Guest Additions in registry 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497
Looks for VMWare Tools registry key 2 TTPs
evasion

Query Registry
T1012

Virtualization/Sandbox Evasion
T1497

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:

file.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion	file.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion	file.exe

Maps connected drives based on registry 3 TTPs 2 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

file.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum	file.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	file.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4148 3408 WerFault.exe file.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description pid process

Token: SeDebugPrivilege 3408 file.exe

pid	pid_target	process	target process
4148	3408	WerFault.exe	file.exe

description	pid	process
Token: SeDebugPrivilege	3408	file.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Checks BIOS information in registry
- Maps connected drives based on registry
- Suspicious use of AdjustPrivilegeToken
PID:3408

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3408 -s 1316
2⤵
- Program crash
PID:4148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3408 -ip 3408
1⤵
PID:2708

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

T1497

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Virtualization/Sandbox Evasion

T1497

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/3408-130-0x0000000000C20000-0x0000000000C9A000-memory.dmp

Filesize
488KB

Download
memory/3408-131-0x0000000008050000-0x00000000085F4000-memory.dmp

Filesize
5.6MB

Download
memory/3408-132-0x0000000007B40000-0x0000000007BD2000-memory.dmp

Filesize
584KB

Download
memory/3408-133-0x0000000007B20000-0x0000000007B2A000-memory.dmp

Filesize
40KB

Download
memory/3408-134-0x000000000B370000-0x000000000B40C000-memory.dmp

Filesize
624KB

Download
memory/3408-135-0x000000000B640000-0x000000000B6A6000-memory.dmp

Filesize
408KB

Download