c61ead37371b3398fbd6bbdb4a78a5e10b6194204b29f81cc3f92a271f5d70e4

Analysis

max time kernel
118s
max time network
121s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 18:01

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General

Target

cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
Size

474KB
MD5

cd8eccd79e59d1d1a4eecc1bb2ff47d0
SHA1

aaf19d74e21cb9f168f484d05bc5647f1214ed94
SHA256

c61ead37371b3398fbd6bbdb4a78a5e10b6194204b29f81cc3f92a271f5d70e4
SHA512

f83a26f903517cb0d55a3d72721a6d1e06b3e9031a731199edd69b364cf6c8e29eb08f2c23e9e3a2980281a33b2235eb71c0f3073e290384d056de869f0eda51
SSDEEP

12288:y7HQhWI2TmvDtUiGpc/MeFXmC6+RVA7l03cPKaW6:QHQhWI2TmvDtUi0c/MeFXd6+RVY

Score

7^/10

bootkit discovery 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/2548-0-0x0000000000400000-0x0000000000477000-memory.dmp	upx
behavioral1/memory/2548-1-0x0000000000400000-0x0000000000477000-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)	\??\h:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\i:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\n:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\r:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\s:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\z:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\g:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\q:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\u:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\e:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\t:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\w:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\x:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\y:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\j:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\k:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\l:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\m:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\o:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\p:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
File opened (read-only)	\??\v:	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.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	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe

C:\Users\Admin\AppData\Local\Temp\cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe
"C:\Users\Admin\AppData\Local\Temp\cd8eccd79e59d1d1a4eecc1bb2ff47d0N.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
- System Location Discovery: System Language Discovery
PID:2548

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

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2548-0-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download
memory/2548-1-0x0000000000400000-0x0000000000477000-memory.dmp

Filesize
476KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads