2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341

General

Target

2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341.exe
Size

754KB
MD5

575b60066fb4a2820d8f87ab6c602096
SHA1

21ea5e7cd28c80cca2c80d957509eba484206189
SHA256

2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341
SHA512

b954d42741dd2b8d45f95f6e751b9aa3c15bbb19a691ee86aa9b035de783c688cf0dace4055eab57cef671e89b0fcc1bb6838d7ffd389538561fe676eddc9e28
SSDEEP

12288:KMSApJVYG5lDLyjsb0eOzkv4R7QnvUUilQ35+6G75V9tC3:KnsJ39LyjbJkQFMhmC+6GD9g

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1012	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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Synaptics Pointing Device Driver = "C:\\ProgramData\\Synaptics\\Synaptics.exe"	2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341.exe

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

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341.exe

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
1504	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
1504	EXCEL.EXE
1504	EXCEL.EXE
1504	EXCEL.EXE
1504	EXCEL.EXE
1504	EXCEL.EXE

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1216 wrote to memory of 1012	1216	2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341.exe	79
PID 1216 wrote to memory of 1012	1216	2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341.exe	79
PID 1216 wrote to memory of 1012	1216	2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341.exe	79

C:\Users\Admin\AppData\Local\Temp\2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341.exe
"C:\Users\Admin\AppData\Local\Temp\2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1216
- C:\ProgramData\Synaptics\Synaptics.exe
  "C:\ProgramData\Synaptics\Synaptics.exe" InjUpdate
  2⤵
  - Executes dropped EXE
  PID:1012

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" /automation -Embedding
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1504

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

3

T1012

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\ProgramData\Synaptics\Synaptics.exe

Filesize
754KB

MD5
575b60066fb4a2820d8f87ab6c602096

SHA1
21ea5e7cd28c80cca2c80d957509eba484206189

SHA256
2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341

SHA512
b954d42741dd2b8d45f95f6e751b9aa3c15bbb19a691ee86aa9b035de783c688cf0dace4055eab57cef671e89b0fcc1bb6838d7ffd389538561fe676eddc9e28

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

Filesize
754KB

MD5
575b60066fb4a2820d8f87ab6c602096

SHA1
21ea5e7cd28c80cca2c80d957509eba484206189

SHA256
2bcca34ec3c6a9905f15251d157e03605b0a5b72052df90a39f0efc69f3d6341

SHA512
b954d42741dd2b8d45f95f6e751b9aa3c15bbb19a691ee86aa9b035de783c688cf0dace4055eab57cef671e89b0fcc1bb6838d7ffd389538561fe676eddc9e28

Download Submit
C:\Users\Admin\AppData\Local\Temp\QCsU1NE9.xlsm

Filesize
17KB

MD5
e566fc53051035e1e6fd0ed1823de0f9

SHA1
00bc96c48b98676ecd67e81a6f1d7754e4156044

SHA256
8e574b4ae6502230c0829e2319a6c146aebd51b7008bf5bbfb731424d7952c15

SHA512
a12f56ff30ea35381c2b8f8af2446cf1daa21ee872e98cad4b863db060acd4c33c5760918c277dadb7a490cb4ca2f925d59c70dc5171e16601a11bc4a6542b04

Download Submit
memory/1012-132-0x0000000000000000-mapping.dmp

Download
memory/1504-135-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/1504-136-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/1504-137-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/1504-139-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/1504-138-0x00007FF9E3F10000-0x00007FF9E3F20000-memory.dmp

Filesize
64KB

Download
memory/1504-140-0x00007FF9E17C0000-0x00007FF9E17D0000-memory.dmp

Filesize
64KB

Download
memory/1504-141-0x00007FF9E17C0000-0x00007FF9E17D0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads