dbae69266b5cd2ac0424d64ff65d2a4e48e4d16f534dad5cc27e3a67ee60a392

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26-12-2023 11:22

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General

Target

6a74aa78d1802cd22d0ebfa338279470.exe
Size

440KB
MD5

6a74aa78d1802cd22d0ebfa338279470
SHA1

bc04ea136856e31f2333022ed2092916969ba214
SHA256

dbae69266b5cd2ac0424d64ff65d2a4e48e4d16f534dad5cc27e3a67ee60a392
SHA512

6c1855b066c23c6ee137216810db39b3da752c96009b8c6d7d4cdc73a715ab2d07509121e3c6037f457bdf348644951e08940a1a5567ad16f87f6c8baeb6bc51
SSDEEP

12288:KgTrA1Vs5JjEOgI2UMkLwS7fqTm7Tp/MlmrRpHQJ9:zTrAU5JoOgIx7pkYdi

Score

7^/10

bootkit persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1704	7F6D.exe

Loads dropped DLL 3 IoCs

pid	Process
2084	6a74aa78d1802cd22d0ebfa338279470.exe
2084	6a74aa78d1802cd22d0ebfa338279470.exe
2084	6a74aa78d1802cd22d0ebfa338279470.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	7F6D.exe

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

System Information Discovery
T1082

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
2084	6a74aa78d1802cd22d0ebfa338279470.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2084 wrote to memory of 1704	2084	6a74aa78d1802cd22d0ebfa338279470.exe	28
PID 2084 wrote to memory of 1704	2084	6a74aa78d1802cd22d0ebfa338279470.exe	28
PID 2084 wrote to memory of 1704	2084	6a74aa78d1802cd22d0ebfa338279470.exe	28
PID 2084 wrote to memory of 1704	2084	6a74aa78d1802cd22d0ebfa338279470.exe	28

C:\Users\Admin\AppData\Local\Temp\6a74aa78d1802cd22d0ebfa338279470.exe
"C:\Users\Admin\AppData\Local\Temp\6a74aa78d1802cd22d0ebfa338279470.exe"
1⤵
- Loads dropped DLL
- Suspicious behavior: RenamesItself
- Suspicious use of WriteProcessMemory
PID:2084
- C:\Users\Admin\AppData\Local\Temp\7F6D.exe
  "C:\Users\Admin\AppData\Local\Temp\7F6D.exe"
  2⤵
  - Executes dropped EXE
  - Writes to the Master Boot Record (MBR)
  PID:1704

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

\Users\Admin\AppData\Local\Temp\7F6D.exe

Filesize
368KB

MD5
423808ee3ddd2aae654c53db95623b35

SHA1
573686935b245bbe669dbe30731bdf0bdf04237e

SHA256
69a79852efe855bcf8a57144b2fff9ab5162f9d4aad3364101f40c0b3f316a42

SHA512
2204436b841e4ae809b59795a7b29cab25af1f4348ecca0d64083d3cba4da6eaf6b4125fadba3ee84976b51f8465f7c0f6ae7e86dc25f178e4fd685261bb73d7

Download Submit
memory/2084-0-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2084-1-0x0000000000230000-0x000000000029A000-memory.dmp

Filesize
424KB

Download
memory/2084-2-0x00000000002C0000-0x00000000002C1000-memory.dmp

Filesize
4KB

Download
memory/2084-3-0x0000000000400000-0x000000000046F000-memory.dmp

Filesize
444KB

Download
memory/2084-16-0x0000000000230000-0x000000000029A000-memory.dmp

Filesize
424KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads