2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03/09/2024, 10:13 UTC

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General

Target

2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.exe
Size

4.8MB
MD5

fe62f8f45717bf57a8b66f2c8987cfc1
SHA1

1fbc6221f3dc1e56af05470821fbe6dec3a35da6
SHA256

2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6
SHA512

e364ce4cebe7a0f930909b60840f24e5b6a649e1f58252e84fb7649d178c60b45d6314d8bae8092eee5befe6a790a6d9cb9a223d6eb60743977d549171551bba
SSDEEP

98304:nXHfZysNkdeOVWB4PGrx2fEyMmzHJhYlRJb:nPx1dx2f9MmzHw3

Score

7^/10

bootkit discovery persistence

Malware Config

Signatures

Loads dropped DLL 2 IoCs

pid	Process
2524	2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.exe
2524	2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.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	2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.exe

Drops file in Program Files directory 2 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\LuDaShi\{504EDAD6-61B9-433e-ADFE-BDFA84088472}.tf	2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.exe
File created	C:\Program Files (x86)\LuDaShi\{9D10E6AA-2064-4e81-8748-F958F1015696}.tmp\{44CA597D-7575-48c2-8211-47CBD57912F8}.tf	2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.exe

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2764	2524	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	2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2524 wrote to memory of 2764	2524	2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.exe	30
PID 2524 wrote to memory of 2764	2524	2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.exe	30
PID 2524 wrote to memory of 2764	2524	2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.exe	30
PID 2524 wrote to memory of 2764	2524	2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.exe	30

C:\Users\Admin\AppData\Local\Temp\2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.exe
"C:\Users\Admin\AppData\Local\Temp\2ffabee429da813d42aee31a6545abce82f184f56d2ededffa1f275c98ac49f6.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:2524
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2524 -s 912
  2⤵
  - Program crash
  PID:2764

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

\Users\Admin\AppData\Local\Temp\{D167187D-8260-4946-9858-3BB3D1D4B9E5}.tmp\7z.dll

Filesize
1.1MB

MD5
2706693dda10c6cc79eed24c56d4e5ef

SHA1
4f34ef1bd49273a0d260b9dab15c73eb0ccb6383

SHA256
0edad8a1af22d5b97c1f324791c86243a6ecce7b5a9d2f30415af99aba9129c3

SHA512
7e7f7ae894528587ba33b6e10999549bb9a2ec2748b5662fa1b8806e5f4ce33af47507b3ef2954f2747a76b5b7c775c1cd671061f577c5016d1f8ba165bbe21c

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\Users\Admin\AppData\Local\Temp\{EB2470B7-941C-4523-8F8A-A1933D582F86}.tmp\NetBridge.dll

Filesize
231KB

MD5
9d145902fb5b9a6da62ac85761434e31

SHA1
c817d77f59e3767d75cf5f5298d6b5711308f7e5

SHA256
98d795d55329b1057f4fd590468e648a8c34b620207fd9a0a6953f3e98d1ea43

SHA512
bbb3109bcd5ded909bfdaeb7f4f006fc5928a9bc501bad5ae8ba9805bc0d924a2c4da8bbd215480db936d663852abd9b0435fa241a40224a4cd93c4b7aff79a9

Download Submit
memory/2524-28-0x0000000002640000-0x0000000002641000-memory.dmp

Filesize
4KB

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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