b143c1b25096ec1fc28a227a74d1ff0d2decafcd41b02317d3ed0002f329f043

Analysis

max time kernel
39s
max time network
124s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
31-12-2023 04:57

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General

Target

29116272281ad7f8b672112fe47d1a17.exe
Size

847KB
MD5

29116272281ad7f8b672112fe47d1a17
SHA1

7fe297ff7b1b88f41a80e1c71327bed4e12a49c6
SHA256

b143c1b25096ec1fc28a227a74d1ff0d2decafcd41b02317d3ed0002f329f043
SHA512

abcb1e965679be5aef5bc025ec1d679394c2c27341ec7a63a67d9fd94142b9f803b77f9ce2fd73aa6a1dbb43b55e40dbdf45a9dd633c42201a831119f0f7b57d
SSDEEP

24576:y3+BG6BhAVGbqQ4sW8xYBrMBJyPVrk8hACSM/:VT6EUz8fqGCS

Score

7^/10

bootkit persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2760	isecurity.exe

Loads dropped DLL 3 IoCs

pid	Process
2888	29116272281ad7f8b672112fe47d1a17.exe
2888	29116272281ad7f8b672112fe47d1a17.exe
2888	29116272281ad7f8b672112fe47d1a17.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	isecurity.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2888	29116272281ad7f8b672112fe47d1a17.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2888 wrote to memory of 2760	2888	29116272281ad7f8b672112fe47d1a17.exe	27
PID 2888 wrote to memory of 2760	2888	29116272281ad7f8b672112fe47d1a17.exe	27
PID 2888 wrote to memory of 2760	2888	29116272281ad7f8b672112fe47d1a17.exe	27
PID 2888 wrote to memory of 2760	2888	29116272281ad7f8b672112fe47d1a17.exe	27

C:\Users\Admin\AppData\Local\Temp\29116272281ad7f8b672112fe47d1a17.exe
"C:\Users\Admin\AppData\Local\Temp\29116272281ad7f8b672112fe47d1a17.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2888
- C:\ProgramData\isecurity.exe
  C:\ProgramData\isecurity.exe
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  PID:2760

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

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2760-30-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-37-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-29-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-43-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-20-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-22-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-23-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-42-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-25-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2760-24-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-27-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-28-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-41-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-44-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-39-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-33-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-34-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-35-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-36-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-40-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-38-0x0000000000400000-0x0000000000A3F000-memory.dmp

Filesize
6.2MB

Download
memory/2760-31-0x00000000003A0000-0x00000000003A1000-memory.dmp

Filesize
4KB

Download
memory/2888-5-0x0000000077510000-0x0000000077511000-memory.dmp

Filesize
4KB

Download
memory/2888-0-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/2888-2-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/2888-8-0x0000000000400000-0x0000000000500000-memory.dmp

Filesize
1024KB

Download
memory/2888-1-0x0000000000230000-0x0000000000231000-memory.dmp

Filesize
4KB

Download