b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644

Analysis

max time kernel
170s
max time network
186s
platform
windows10-2004_x64
resource
win10v2004-20221111-en
resource tags

arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
submitted
04-12-2022 02:54

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General

Target

b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
Size

328KB
MD5

539aede35f17ef54c3670b10232fe052
SHA1

ca7c1e7e2bf3cf0b36db2b42767a57f14b803311
SHA256

b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644
SHA512

28288c3f79c0a845d9c54669b99b9bd366987de1009ae51c141301aa46d12d2685f7d055065d7e52859fc0a662be00428d2580e16693aa5986fc908386c1ba03
SSDEEP

6144:gcMedZ3FTDSm9PXfrtVNgzSdVr3gRGPKuSUzzHta8jkCse/8Uyoi6KOt+5lXE:99Z3FTDx9PP51T3dPNzNtse/9y5Q+5l0

Score

8^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2016-132-0x0000000000400000-0x00000000004BC000-memory.dmp	upx
behavioral2/memory/2016-133-0x0000000000400000-0x00000000004BC000-memory.dmp	upx
behavioral2/memory/2016-134-0x0000000000400000-0x00000000004BC000-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:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\m:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\w:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\x:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\e:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\n:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\r:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\z:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\f:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\o:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\q:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\s:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\t:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\y:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\k:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\i:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\j:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\l:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\p:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\u:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\v:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
File opened (read-only)	\??\g:	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.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	b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe

C:\Users\Admin\AppData\Local\Temp\b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe
"C:\Users\Admin\AppData\Local\Temp\b0404995d79355311cba3a04bb40fb51587d0e44911e720ac727d1aa8fdc9644.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:2016

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

Replay Monitor

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Downloads

memory/2016-132-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2016-133-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download
memory/2016-134-0x0000000000400000-0x00000000004BC000-memory.dmp

Filesize
752KB

Download