c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb

Analysis

max time kernel
121s
max time network
127s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
19/11/2024, 17:05

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General

Target

c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb.exe
Size

4.8MB
MD5

234c4f0d5389c846cc3c2a5c92bf5dc7
SHA1

94c5f3a83c3ba78a3bcec05f0d2450dc5610a4a8
SHA256

c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb
SHA512

126e370ce91420b7268b58c4ffb926a05d1fad51eabb5609a3fdcf2746e510c10465ad26b42872bc13ff4ad10910536e4566a7b3b95143ec8835af181a3ba4a7
SSDEEP

98304:eszRt86yqxsbIH5doad0nMOJ2GvzH/OnOqHfbPos61WbLJB/NtpyBpwWzLF8XV:5E6yWsbIH5doxJ2GvbGj/7os61eJBlai

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 1 IoCs

pid	Process
1612	c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb.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	c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\GeeksUninstPro\{90C1EC87-10B4-4d0d-82E4-13D9D55EF2AF}.tf	c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2808	1612	WerFault.exe	29

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	c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1612 wrote to memory of 2808	1612	c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb.exe	30
PID 1612 wrote to memory of 2808	1612	c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb.exe	30
PID 1612 wrote to memory of 2808	1612	c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb.exe	30
PID 1612 wrote to memory of 2808	1612	c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb.exe	30

C:\Users\Admin\AppData\Local\Temp\c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb.exe
"C:\Users\Admin\AppData\Local\Temp\c3cd232961ff59e0c62c0cc6399f633306d9c913234f93a50035aa86d34993cb.exe"
1⤵
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1612
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1612 -s 524
  2⤵
  - Program crash
  PID:2808

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 Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\{4E2F88B0-7C01-4c42-99F8-3BE01CBBC766}.tmp\7z.dll

Filesize
1.2MB

MD5
cd479d111eee1dbd85870e1c7477ad4c

SHA1
01ff945138480705d5934c766906b2c7c1a32b72

SHA256
367f8d1bfcf90ae86c0c33b0c8c9e6ec1c433c353d0663ebb44567607402c83d

SHA512
8b801bfbb933e0dc77090555fa258d416cbe9ed780fb1821aed532a979617082b29e0b6f8fb85f73a9e93c98981426c92c498a41c49f823707da3e6b7bb30128

Download Submit
memory/1612-22-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads