672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9

Analysis

max time kernel
142s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
27/08/2023, 08:08

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General

Target

672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe
Size

676KB
MD5

2ab765da96e5e7d082f3cd11be081654
SHA1

897f7919c3577a95dbd3d7ba0633f87cdf0ba4f5
SHA256

672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9
SHA512

f892d367ed546c948001ba0a214011b13faa35b2ab11f09ae4ea02c4d0be31025201524a38ea56ab3f249a517b49edf3dffef6899bbfd33eab12aa3845dd2d03
SSDEEP

6144:z5+wzHywOv9sn4OwB7p+S+Wo89UNS8VuiIWUlhxcGsZ0yO1g/rTDAsldDapA3qkq:z5+wjsyn4OwF0S3ninUXgA1OrHNl0n

Score

6^/10

bootkit persistence

Malware Config

Signatures

Enumerates connected drives 3 TTPs 4 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)	\??\E:	format.com
File opened (read-only)	\??\D:	format.com
File opened (read-only)	\??\G:	format.com
File opened (read-only)	\??\F:	format.com

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	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe
2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 5020	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	81
PID 2056 wrote to memory of 5020	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	81
PID 2056 wrote to memory of 5020	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	81
PID 2056 wrote to memory of 3992	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	85
PID 2056 wrote to memory of 3992	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	85
PID 2056 wrote to memory of 3992	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	85
PID 2056 wrote to memory of 1036	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	82
PID 2056 wrote to memory of 1036	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	82
PID 2056 wrote to memory of 1036	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	82
PID 2056 wrote to memory of 552	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	84
PID 2056 wrote to memory of 552	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	84
PID 2056 wrote to memory of 552	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	84
PID 2056 wrote to memory of 1996	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	83
PID 2056 wrote to memory of 1996	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	83
PID 2056 wrote to memory of 1996	2056	672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe	83
PID 5020 wrote to memory of 3784	5020	cmd.exe	91
PID 5020 wrote to memory of 3784	5020	cmd.exe	91
PID 5020 wrote to memory of 3784	5020	cmd.exe	91
PID 3992 wrote to memory of 4848	3992	cmd.exe	92
PID 3992 wrote to memory of 4848	3992	cmd.exe	92
PID 3992 wrote to memory of 4848	3992	cmd.exe	92
PID 1996 wrote to memory of 556	1996	cmd.exe	95
PID 1996 wrote to memory of 556	1996	cmd.exe	95
PID 1996 wrote to memory of 556	1996	cmd.exe	95
PID 552 wrote to memory of 1964	552	cmd.exe	93
PID 552 wrote to memory of 1964	552	cmd.exe	93
PID 552 wrote to memory of 1964	552	cmd.exe	93
PID 1036 wrote to memory of 4064	1036	cmd.exe	94
PID 1036 wrote to memory of 4064	1036	cmd.exe	94
PID 1036 wrote to memory of 4064	1036	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe
"C:\Users\Admin\AppData\Local\Temp\672cfd7ff738e393eef880a9b878ca44d291898e93299de854e498b84b0b6fd9.exe"
1⤵
- Writes to the Master Boot Record (MBR)
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2056
- C:\Windows\SysWOW64\cmd.exe
  cmd /c format c: /q /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5020
- - C:\Windows\SysWOW64\format.com
    format c: /q /y
    3⤵
    PID:3784
- C:\Windows\SysWOW64\cmd.exe
  cmd /c format e: /q /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1036
- - C:\Windows\SysWOW64\format.com
    format e: /q /y
    3⤵
    - Enumerates connected drives
    PID:4064
- C:\Windows\SysWOW64\cmd.exe
  cmd /c format g: /q /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1996
- - C:\Windows\SysWOW64\format.com
    format g: /q /y
    3⤵
    - Enumerates connected drives
    PID:556
- C:\Windows\SysWOW64\cmd.exe
  cmd /c format f: /q /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:552
- - C:\Windows\SysWOW64\format.com
    format f: /q /y
    3⤵
    - Enumerates connected drives
    PID:1964
- C:\Windows\SysWOW64\cmd.exe
  cmd /c format d: /q /y
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3992
- - C:\Windows\SysWOW64\format.com
    format d: /q /y
    3⤵
    - Enumerates connected drives
    PID:4848

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

Windows 7 deprecation

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads