3e6ff6b35c7a3fdff01aabe8c8e7e810e7a70ab705f2df1dcc5b800bb89a873a

Analysis

max time kernel
0s
max time network
118s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
25/12/2023, 00:08

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General

Target

1bca17593875f45fede3d5421f57df94.exe
Size

338KB
MD5

1bca17593875f45fede3d5421f57df94
SHA1

7aca31f1b282aa62d64c9ef473c1eff39a386ebb
SHA256

3e6ff6b35c7a3fdff01aabe8c8e7e810e7a70ab705f2df1dcc5b800bb89a873a
SHA512

62290d00f01eaffdfff1435b8131236d9db5e48e80de20b5330e9d0199bce1c90e59229ab59073a7b73b5a5f474c9a17548fabb5cca5914849b27955e08a9ab5
SSDEEP

6144:9A5wVdCy6wrbDY0rDqTWC4zEDzKuTrSbxc97cf2UHAKmy6SG4AQuJ6Io9rni8:9jyy64VrDqTWIzW+9Y+Z5y6iXuC9rnB

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
behavioral1/memory/1684-0-0x0000000000400000-0x00000000004BE000-memory.dmp	upx
behavioral1/memory/1684-56-0x0000000000400000-0x00000000004BE000-memory.dmp	upx
behavioral1/memory/1684-57-0x0000000000400000-0x00000000004BE000-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)	\??\v:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\y:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\g:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\i:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\n:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\s:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\x:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\z:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\e:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\h:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\l:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\r:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\m:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\o:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\q:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\t:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\u:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\w:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\j:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\k:	1bca17593875f45fede3d5421f57df94.exe
File opened (read-only)	\??\p:	1bca17593875f45fede3d5421f57df94.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	1bca17593875f45fede3d5421f57df94.exe

C:\Users\Admin\AppData\Local\Temp\1bca17593875f45fede3d5421f57df94.exe
"C:\Users\Admin\AppData\Local\Temp\1bca17593875f45fede3d5421f57df94.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:1684

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/1684-0-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1684-56-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/1684-57-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads