a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471

General

Target

a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
Size

7.3MB
MD5

94aed2201b53f0fc18edd5e02b6b298e
SHA1

09b76f606ef51f1e12a3fa8ae3f122a8c54c363d
SHA256

a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471
SHA512

9e7f9619d0d672b51570b4f48df064e8d42d48465e0a499365f5bd76e5d213601375c08f43dd0d108fa0fa7fb11c3e077657944587373a0e1048c8db16c6d68e
SSDEEP

196608:RxS+NFf74XdfIWZT+0xgvrzXkLStrZT+J5jaeUg52tcA1V:PSEFf0tgWU0OvrrxDLtcA1

Score

7^/10

bootkit persistence upx

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2804150937-2146708401-419095071-1000\Control Panel\International\Geo\Nation	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

Executes dropped EXE 1 IoCs

Processes:

a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

pid process

2224 a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

pid	process
2224	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

Loads dropped DLL 2 IoCs

Processes:

a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exea393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

pid	process
1732	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
2224	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

UPX packed file 32 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

Processes:

resource	yara_rule
behavioral2/memory/1732-0-0x0000000000400000-0x0000000000D5F000-memory.dmp	upx
C:\kaidisoft\xiaovideo_kuaishou\a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe	upx
behavioral2/memory/1732-17-0x0000000000400000-0x0000000000D5F000-memory.dmp	upx
behavioral2/memory/2224-23-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-20-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-24-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-56-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-67-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-64-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-62-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-60-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-51-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-49-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-47-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-45-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-68-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-69-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-43-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-41-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-39-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-37-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-35-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-31-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-29-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-27-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-25-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-58-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-22-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-53-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-33-0x0000000010000000-0x000000001003E000-memory.dmp	upx
behavioral2/memory/2224-74-0x0000000000400000-0x0000000000D5F000-memory.dmp	upx
behavioral2/memory/2224-82-0x0000000000400000-0x0000000000D5F000-memory.dmp	upx

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

Processes:

a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

description ioc process

File opened for modification \??\PhysicalDrive0 a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

pid process

2224 a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

pid process

2224 a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

description	ioc	process
File opened for modification	\??\PhysicalDrive0	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

pid	process
2224	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

pid	process
2224	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

Suspicious use of SetWindowsHookEx 6 IoCs

Processes:

a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exea393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

pid	process
1732	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
2224	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
2224	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
2224	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
2224	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
2224	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

description	pid	process	target process
PID 1732 wrote to memory of 2224	1732	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
PID 1732 wrote to memory of 2224	1732	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
PID 1732 wrote to memory of 2224	1732	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe	a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe

C:\Users\Admin\AppData\Local\Temp\a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
"C:\Users\Admin\AppData\Local\Temp\a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1732

C:\kaidisoft\xiaovideo_kuaishou\a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
"C:\kaidisoft\xiaovideo_kuaishou\a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe"
2⤵
- Executes dropped EXE
- Loads dropped DLL
- Writes to the Master Boot Record (MBR)
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of SetWindowsHookEx
PID:2224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Privilege Escalation

Defense Evasion

Pre-OS Boot

1

T1542

Bootkit

1

T1542.003

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\E2EECore.3.3.9.dll
Filesize
10.6MB

MD5
50c266e46ccf9bc8956279f78d51f205

SHA1
0ba5b98a91a9a019cd9b87cf01796c65ee6a0839

SHA256
c58e066a293ff260037487d37e37bf3d890c16383d817c7573dab51c514cbd00

SHA512
7350a82820faeba3172fad3d87b04c6a2967b797a321a78a53e7156c37fed4661a66d2f78e2f3ddbcbc0d10a56f5d761f7eb761f05d2841568b34841c17e0d37

Download Submit
C:\kaidisoft\xiaovideo_kuaishou\a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471.exe
Filesize
7.3MB

MD5
94aed2201b53f0fc18edd5e02b6b298e

SHA1
09b76f606ef51f1e12a3fa8ae3f122a8c54c363d

SHA256
a393b151f1454cbe58113cf4cf1bcf14581fa0758b30c1aaf5e5ab109c2a3471

SHA512
9e7f9619d0d672b51570b4f48df064e8d42d48465e0a499365f5bd76e5d213601375c08f43dd0d108fa0fa7fb11c3e077657944587373a0e1048c8db16c6d68e

Download Submit
memory/1732-0-0x0000000000400000-0x0000000000D5F000-memory.dmp

Filesize
9.4MB

Download
memory/1732-17-0x0000000000400000-0x0000000000D5F000-memory.dmp

Filesize
9.4MB

Download
memory/2224-68-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-41-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-24-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-56-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-67-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-64-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-62-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-60-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-51-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-49-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-47-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-45-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-23-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-69-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-43-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-20-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-39-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-37-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-35-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-31-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-29-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-27-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-25-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-58-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-22-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-53-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-33-0x0000000010000000-0x000000001003E000-memory.dmp

Filesize
248KB

Download
memory/2224-70-0x0000000076443000-0x0000000076444000-memory.dmp

Filesize
4KB

Download
memory/2224-74-0x0000000000400000-0x0000000000D5F000-memory.dmp

Filesize
9.4MB

Download
memory/2224-76-0x0000000076443000-0x0000000076444000-memory.dmp

Filesize
4KB

Download
memory/2224-82-0x0000000000400000-0x0000000000D5F000-memory.dmp

Filesize
9.4MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads