58eaddd648b589a34631ec53864f1f02b313c586c2b615d5eb6d143d37f73f7b

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
07/03/2024, 16:19

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General

Target

b92017ffc0e887c47ea1cdce90f98bd5.exe
Size

531KB
MD5

b92017ffc0e887c47ea1cdce90f98bd5
SHA1

f4f24e3ad52078ccfbcd86e07c7c3e5266919f04
SHA256

58eaddd648b589a34631ec53864f1f02b313c586c2b615d5eb6d143d37f73f7b
SHA512

f3ca4a12706c8bc901a4cd35e023c293bd1d2f950afe76e2e9ac6722dea40c7a3fdebdda52498ab16932e133f2c8a6d37637ab42c60db2a06c8f4b184e9c7623
SSDEEP

6144:5IJ/N5GXadtcJeUth55C+pvCAcRcCmAH4ttI/wonOSTy19ZWZKUlx1f4vP45U:mf5GKEgUycvCcCN/wZTWZ5lLyP1

Score

7^/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/2324-0-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral2/memory/2324-1-0x0000000000400000-0x0000000000485000-memory.dmp	upx
behavioral2/memory/2324-2-0x0000000000400000-0x0000000000485000-memory.dmp	upx

Enumerates connected drives 3 TTPs 21 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)	\??\l:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\r:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\x:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\t:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\z:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\g:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\i:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\k:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\n:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\p:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\q:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\v:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\w:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\e:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\h:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\j:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\m:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\o:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\s:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\u:	b92017ffc0e887c47ea1cdce90f98bd5.exe
File opened (read-only)	\??\y:	b92017ffc0e887c47ea1cdce90f98bd5.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

T1542.003

description	ioc	Process
File opened for modification	\??\PhysicalDrive0	b92017ffc0e887c47ea1cdce90f98bd5.exe

C:\Users\Admin\AppData\Local\Temp\b92017ffc0e887c47ea1cdce90f98bd5.exe
"C:\Users\Admin\AppData\Local\Temp\b92017ffc0e887c47ea1cdce90f98bd5.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:2324

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

T1542

Bootkit

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

T1542

Bootkit

T1542.003

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/2324-0-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2324-1-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download
memory/2324-2-0x0000000000400000-0x0000000000485000-memory.dmp

Filesize
532KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads