42e159ac9c616df698820f5c0e55b0b480a655a3a8c51cd2b7668a48eb942313

Analysis

max time kernel
0s
max time network
105s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 14:37

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General

Target

761bc60003dfc405492f78a62fb5c1f6.exe
Size

337KB
MD5

761bc60003dfc405492f78a62fb5c1f6
SHA1

a1bb03ccf68ead1e88e3a7a80dcc380d310f1ee7
SHA256

42e159ac9c616df698820f5c0e55b0b480a655a3a8c51cd2b7668a48eb942313
SHA512

ed474f621bd76104c9ba64d5cb3f91e731e3c659e427fb1b129e2f42c11c8dd98a7134f461bcfa92ff970dfe5c24c7bd692e20ac013778e042875d77a4b9be78
SSDEEP

6144:JS+QH6yN8wfRe3q+2ZYbO2PY/eQanlrU0qKHMwBzxzsevWhg38o+YPP:tE6y66e3N272PYXZ05MwBzxztv0gso+I

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/2092-0-0x0000000000400000-0x00000000004BE000-memory.dmp	upx
behavioral2/memory/2092-11-0x0000000000400000-0x00000000004BE000-memory.dmp	upx
behavioral2/memory/2092-17-0x0000000000400000-0x00000000004BE000-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)	\??\t:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\y:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\h:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\k:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\l:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\n:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\p:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\z:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\u:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\v:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\e:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\i:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\j:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\o:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\s:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\x:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\g:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\m:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\q:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\r:	761bc60003dfc405492f78a62fb5c1f6.exe
File opened (read-only)	\??\w:	761bc60003dfc405492f78a62fb5c1f6.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	761bc60003dfc405492f78a62fb5c1f6.exe

C:\Users\Admin\AppData\Local\Temp\761bc60003dfc405492f78a62fb5c1f6.exe
"C:\Users\Admin\AppData\Local\Temp\761bc60003dfc405492f78a62fb5c1f6.exe"
1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:2092

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/2092-0-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2092-11-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download
memory/2092-17-0x0000000000400000-0x00000000004BE000-memory.dmp

Filesize
760KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads