e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c

Analysis

max time kernel
110s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21/09/2024, 23:20

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General

Target

e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe
Size

4.8MB
MD5

78eccbb735fef4797708fdfa1c91d5cb
SHA1

8fef6f806a012dd1cb4343397a39ad79ac132030
SHA256

e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c
SHA512

484f67c845ef98b47a6730fed6091e2b51a86fdb37f46b277919f166dcba167ffa0d6124c6d180595030f4a38e3aa5877efc2211a094a28a6f9030df55d778be
SSDEEP

98304:gNwoFWyFGCTgBVPG5o28N1bYnMfUB+ik2r8hMJC1:KBIS0z28N1bgf0

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
1976	e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe
1976	e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

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	e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{F0EEE138-6A62-409e-A4E5-B27A4BE2DFFB}.tf	e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe
File created	C:\Program Files (x86)\LuDaShi\{E12146F2-FEA0-4485-9B27-300F406D00F8}.tmp\{44F6EA2D-A010-415f-815A-F77845FDFBA1}.tf	e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2748	1976	WerFault.exe	28

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	e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1976 wrote to memory of 2748	1976	e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe	29
PID 1976 wrote to memory of 2748	1976	e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe	29
PID 1976 wrote to memory of 2748	1976	e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe	29
PID 1976 wrote to memory of 2748	1976	e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe	29

C:\Users\Admin\AppData\Local\Temp\e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.exe
"C:\Users\Admin\AppData\Local\Temp\e24130243d27d46c8af4181eff47df33ac4421edc14fc5668bdf845802cafb1c.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:1976
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1976 -s 848
  2⤵
  - Program crash
  PID:2748

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

Query Registry

T1012

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\{7A208451-E831-4cfe-A150-3FF329B77FBB}.tmp\NetBridge.dll

Filesize
238KB

MD5
8786d469338c30e0ba9fedfc62bd5197

SHA1
5fb12028ceae9772f938e1b98b699f0e02e32718

SHA256
beeaf8b72f7008e9adabacfcd85e32a50747a0dfb5c86802aeb973bd1f5c3d2f

SHA512
5db1e5b78e62cda81a63e8e712e720f87a7c7a539237a55a9098c076f9fb4e0b5adb83383c23657b4ccc90c117e55e3946a399cdf3d15cb94444b203d9d6c45c

Download Submit
\Users\Admin\AppData\Local\Temp\{405B61B6-1E2B-4520-8635-2B8BB17D15BD}.tmp\7z.dll

Filesize
1.1MB

MD5
2706693dda10c6cc79eed24c56d4e5ef

SHA1
4f34ef1bd49273a0d260b9dab15c73eb0ccb6383

SHA256
0edad8a1af22d5b97c1f324791c86243a6ecce7b5a9d2f30415af99aba9129c3

SHA512
7e7f7ae894528587ba33b6e10999549bb9a2ec2748b5662fa1b8806e5f4ce33af47507b3ef2954f2747a76b5b7c775c1cd671061f577c5016d1f8ba165bbe21c

Download Submit
memory/1976-27-0x00000000007F0000-0x00000000007F1000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads