e43f6ee8e41dbe0fd041549d6ebb72083e919a9907a0db880a574926884141ba

Analysis

max time kernel
150s
max time network
132s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/01/2024, 19:46

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General

Target

546c39cad2692d32439173cb42da1a42.exe
Size

200KB
MD5

546c39cad2692d32439173cb42da1a42
SHA1

56bbd41ac131c0623d17a5d90d1b15a440a0c97a
SHA256

e43f6ee8e41dbe0fd041549d6ebb72083e919a9907a0db880a574926884141ba
SHA512

d9e013c514ece112d30505598eba227feba7d6a46d5006b2d5d0556767c8704b5eda22771b574b4fdcc0ab34040af985fbdad813cdd7e992993e3d0059fa519c
SSDEEP

6144:n7oBtDkJ3abnk6cV+EwmAoBNcX2NOkpwCi21gRQnfR+UfAZbI:n78AqbaVcmAo7cGNpwCi+eQZ+2AJI

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1352-0-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/1352-17-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/1352-23-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/1352-28-0x0000000000400000-0x0000000000476000-memory.dmp	upx
behavioral1/memory/1352-29-0x0000000000400000-0x0000000000476000-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)	\??\i:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\j:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\k:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\l:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\v:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\w:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\z:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\e:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\g:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\n:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\p:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\s:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\x:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\h:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\m:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\o:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\r:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\t:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\u:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\q:	546c39cad2692d32439173cb42da1a42.exe
File opened (read-only)	\??\y:	546c39cad2692d32439173cb42da1a42.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	546c39cad2692d32439173cb42da1a42.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\SAItest.txt	546c39cad2692d32439173cb42da1a42.exe

C:\Users\Admin\AppData\Local\Temp\546c39cad2692d32439173cb42da1a42.exe
"C:\Users\Admin\AppData\Local\Temp\546c39cad2692d32439173cb42da1a42.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
PID:1352

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

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Downloads

memory/1352-0-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1352-17-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1352-23-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1352-28-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download
memory/1352-29-0x0000000000400000-0x0000000000476000-memory.dmp

Filesize
472KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads