2b6205abd8ffe8d4ead893082e3c275c3dda08c47eea95f0d7ca4720da321ec4

Analysis

max time kernel
164s
max time network
202s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
25/11/2022, 18:42

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General

Target

2b6205abd8ffe8d4ead893082e3c275c3dda08c47eea95f0d7ca4720da321ec4.exe
Size

8.0MB
MD5

8465e2c3856c3274a5b9490f5d958723
SHA1

1fe44cb35d0d334eed813c05a5635cf6ca93eb0f
SHA256

2b6205abd8ffe8d4ead893082e3c275c3dda08c47eea95f0d7ca4720da321ec4
SHA512

66aefb446ba21554b3611910048a9fbc5abc1e60b012deb2cc3891a2175bb7afdb9fb9df92abec58ee46f04b178f662ec56a638e8ca2794ba762b701c691bb96
SSDEEP

196608:rrgJGjqMEnMgvs/s7veVyzX8Ml/GCU8ziLQWDPtFgbhALcYBS:QJJMUMgveszeVwMo/FZj8tqhAFY

Score

9^/10

bootkit persistence

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x0008000000022e14-133.dat	acprotect
behavioral2/files/0x0008000000022e14-132.dat	acprotect

Loads dropped DLL 2 IoCs

pid	Process
1120	2b6205abd8ffe8d4ead893082e3c275c3dda08c47eea95f0d7ca4720da321ec4.exe
1120	2b6205abd8ffe8d4ead893082e3c275c3dda08c47eea95f0d7ca4720da321ec4.exe

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1067

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	2b6205abd8ffe8d4ead893082e3c275c3dda08c47eea95f0d7ca4720da321ec4.exe

Checks processor information in registry 2 TTPs 2 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	2b6205abd8ffe8d4ead893082e3c275c3dda08c47eea95f0d7ca4720da321ec4.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	2b6205abd8ffe8d4ead893082e3c275c3dda08c47eea95f0d7ca4720da321ec4.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1120	2b6205abd8ffe8d4ead893082e3c275c3dda08c47eea95f0d7ca4720da321ec4.exe

C:\Users\Admin\AppData\Local\Temp\2b6205abd8ffe8d4ead893082e3c275c3dda08c47eea95f0d7ca4720da321ec4.exe
"C:\Users\Admin\AppData\Local\Temp\2b6205abd8ffe8d4ead893082e3c275c3dda08c47eea95f0d7ca4720da321ec4.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Checks processor information in registry
- Suspicious use of SetWindowsHookEx
PID:1120

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

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

C:\Users\Admin\AppData\Local\Temp\zci1CFE.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
C:\Users\Admin\AppData\Local\Temp\zci1CFE.tmp

Filesize
172KB

MD5
685f1cbd4af30a1d0c25f252d399a666

SHA1
6a1b978f5e6150b88c8634146f1406ed97d2f134

SHA256
0e478c95a7a07570a69e6061e7c1da9001bccad9cc454f2ed4da58824a13e0f4

SHA512
6555ad6b4f4f26105ca8aad64501d74519a3e091f559b4b563d6ffb20a2ddfcde65e4fe94971a9bc65e86db577f2548ca00f9920d341c8ea808b04c0947d61d9

Download Submit
memory/1120-134-0x0000000002420000-0x0000000002493000-memory.dmp

Filesize
460KB

Download
memory/1120-135-0x00000000007DE000-0x00000000007E2000-memory.dmp

Filesize
16KB

Download
memory/1120-136-0x0000000002E60000-0x000000000313E000-memory.dmp

Filesize
2.9MB

Download
memory/1120-137-0x0000000002E60000-0x000000000313E000-memory.dmp

Filesize
2.9MB

Download
memory/1120-138-0x0000000002420000-0x0000000002493000-memory.dmp

Filesize
460KB

Download