857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951

General

Target

857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe
Size

753KB
MD5

b4471db7c90e5cd55bd8bcc324d54602
SHA1

53abfd4381490d79be37f2e88c6ab378bf5be92c
SHA256

857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951
SHA512

be5668d148612713e0df1cbf6d7800af9c8145c5acd41cfef6d96c6bfbd5bdec150e3cb2e096a26962442de8dedde4290fc5766f9c2739188390a91c3391486f

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 1 IoCs

Processes:

Synaptics.exe

pid process

2644 Synaptics.exe

pid	process
2644	Synaptics.exe

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:

857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Control Panel\International\Geo\Nation	857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 1 IoCs

Processes:

857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance	857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe

description	pid	process	target process
PID 836 wrote to memory of 2644	836	857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe	Synaptics.exe
PID 836 wrote to memory of 2644	836	857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe	Synaptics.exe
PID 836 wrote to memory of 2644	836	857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe	Synaptics.exe

C:\Users\Admin\AppData\Local\Temp\857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe
"C:\Users\Admin\AppData\Local\Temp\857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:836

C:\ProgramData\Synaptics\Synaptics.exe
"C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
2⤵
- Executes dropped EXE
PID:2644

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

MD5
b4471db7c90e5cd55bd8bcc324d54602

SHA1
53abfd4381490d79be37f2e88c6ab378bf5be92c

SHA256
857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951

SHA512
be5668d148612713e0df1cbf6d7800af9c8145c5acd41cfef6d96c6bfbd5bdec150e3cb2e096a26962442de8dedde4290fc5766f9c2739188390a91c3391486f

Download Submit
C:\ProgramData\Synaptics\Synaptics.exe

MD5
b4471db7c90e5cd55bd8bcc324d54602

SHA1
53abfd4381490d79be37f2e88c6ab378bf5be92c

SHA256
857835a98d61f311c7de3354b8c8c395905e45831b519528cf5947083d2d9951

SHA512
be5668d148612713e0df1cbf6d7800af9c8145c5acd41cfef6d96c6bfbd5bdec150e3cb2e096a26962442de8dedde4290fc5766f9c2739188390a91c3391486f

Download Submit
memory/836-114-0x00000000022C0000-0x00000000022C1000-memory.dmp

Filesize
4KB

Download
memory/2644-115-0x0000000000000000-mapping.dmp

Download
memory/2644-118-0x00000000004D0000-0x000000000061A000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads