cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958

Analysis

max time kernel
106s
max time network
121s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
04/12/2022, 04:55

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General

Target

cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
Size

233KB
MD5

15cea270838dfb4e770a096927ca15b6
SHA1

83277be92e4fd3e767536f63f6966bb53d8be722
SHA256

cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958
SHA512

85c5b0c07390fde2d30e37f18c0370714d5354b7f2ecf3fc3e14c6aadb563017995714d317f6aacb67456c48f866deba2dd108a5b2197b531cdd2fadb89839ae
SSDEEP

6144:jB3rOrdrnyJwpmW+wfdQTjfRP7J5udVYlhA7jpLh0807fOF:j9OrNyJwpmafdQ/5V5ufY/uNLhHqfOF

Score

8^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1532-55-0x0000000000400000-0x0000000000487000-memory.dmp	upx
behavioral1/memory/1532-56-0x0000000000400000-0x0000000000487000-memory.dmp	upx

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\h:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\j:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\q:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\s:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\u:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\x:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\z:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\f:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\i:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\m:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\r:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\t:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\l:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\n:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\v:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\e:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\g:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\k:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\o:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\p:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\w:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
File opened (read-only)	\??\y:	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.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	cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe

C:\Users\Admin\AppData\Local\Temp\cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe
"C:\Users\Admin\AppData\Local\Temp\cf10d41ad13acbcd55530ecb0c8125afb35cea294658edc67cd373ce694ec958.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:1532

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Bootkit

T1067

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/1532-54-0x0000000076941000-0x0000000076943000-memory.dmp

Filesize
8KB

Download
memory/1532-55-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download
memory/1532-56-0x0000000000400000-0x0000000000487000-memory.dmp

Filesize
540KB

Download