bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50

Analysis

max time kernel
145s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220901-en
resource tags

arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
submitted
03/12/2022, 10:57

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General

Target
bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe
Size 292KB
Sample221203-m2a24sdd88
SHA256 bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50
MD5 2a1ee9aa6950bce27b007a2dc8a90eba
SHA1 17a2ec67d3e9aa6448fec14c7fae951bbdb01c71
SHA512 2d7b51f76fd13a2c96114da237373b1bf48b685a00327d9ab68875573581f4f78f0a02d1094f9ed49b7e1f0a3000b69c475f05b699de5ca8be7aa493b2be4bd2
SSDEEP 6144:KxSlaHiwEm3ZS3rC5SukHtcA474hJ0nIpeyjIw8:JhbmJrUukHtb+4ouDK
MD5 SHA1 SHA512 SSDEEP

Score

8^/10

persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
1384	svchost.exe
3880	svchost.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-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost.exe = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\svchost.exe"	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe

Enumerates connected drives 3 TTPs 22 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Q:	svchost.exe
File opened (read-only)	\??\R:	svchost.exe
File opened (read-only)	\??\U:	svchost.exe
File opened (read-only)	\??\H:	svchost.exe
File opened (read-only)	\??\N:	svchost.exe
File opened (read-only)	\??\J:	svchost.exe
File opened (read-only)	\??\K:	svchost.exe
File opened (read-only)	\??\L:	svchost.exe
File opened (read-only)	\??\O:	svchost.exe
File opened (read-only)	\??\S:	svchost.exe
File opened (read-only)	\??\Z:	svchost.exe
File opened (read-only)	\??\F:	svchost.exe
File opened (read-only)	\??\I:	svchost.exe
File opened (read-only)	\??\E:	svchost.exe
File opened (read-only)	\??\T:	svchost.exe
File opened (read-only)	\??\P:	svchost.exe
File opened (read-only)	\??\V:	svchost.exe
File opened (read-only)	\??\W:	svchost.exe
File opened (read-only)	\??\X:	svchost.exe
File opened (read-only)	\??\Y:	svchost.exe
File opened (read-only)	\??\G:	svchost.exe
File opened (read-only)	\??\M:	svchost.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4848 set thread context of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 1384 set thread context of 3880	1384	svchost.exe	84

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

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe
1384	svchost.exe

Suspicious use of WriteProcessMemory 29 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 4848 wrote to memory of 3404	4848	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	82
PID 3404 wrote to memory of 1384	3404	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	83
PID 3404 wrote to memory of 1384	3404	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	83
PID 3404 wrote to memory of 1384	3404	bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe	83
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84
PID 1384 wrote to memory of 3880	1384	svchost.exe	84

C:\Users\Admin\AppData\Local\Temp\bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe
"C:\Users\Admin\AppData\Local\Temp\bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4848
- C:\Users\Admin\AppData\Local\Temp\bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe
  C:\Users\Admin\AppData\Local\Temp\bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50.exe
  2⤵
  - Checks computer location settings
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3404
- - C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1384
  - - C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
      C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
      4⤵
      Executes dropped EXE
      Enumerates connected drives
      PID:3880

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

svchost.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
Size 292KB
SHA256 bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50
MD5 2a1ee9aa6950bce27b007a2dc8a90eba
SHA1 17a2ec67d3e9aa6448fec14c7fae951bbdb01c71
SHA512 2d7b51f76fd13a2c96114da237373b1bf48b685a00327d9ab68875573581f4f78f0a02d1094f9ed49b7e1f0a3000b69c475f05b699de5ca8be7aa493b2be4bd2
SSDEEP 6144:KxSlaHiwEm3ZS3rC5SukHtcA474hJ0nIpeyjIw8:JhbmJrUukHtb+4ouDK
MD5 SHA1 SHA512 SSDEEP

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svchost.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
Size 292KB
SHA256 bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50
MD5 2a1ee9aa6950bce27b007a2dc8a90eba
SHA1 17a2ec67d3e9aa6448fec14c7fae951bbdb01c71
SHA512 2d7b51f76fd13a2c96114da237373b1bf48b685a00327d9ab68875573581f4f78f0a02d1094f9ed49b7e1f0a3000b69c475f05b699de5ca8be7aa493b2be4bd2
SSDEEP 6144:KxSlaHiwEm3ZS3rC5SukHtcA474hJ0nIpeyjIw8:JhbmJrUukHtb+4ouDK
MD5 SHA1 SHA512 SSDEEP

Submit Download

svchost.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\svchost.exe
Size 292KB
SHA256 bbff6c812f7d9bc9d5bb99b2809d8f931158de526e47ca5c17afc4324ebbdf50
MD5 2a1ee9aa6950bce27b007a2dc8a90eba
SHA1 17a2ec67d3e9aa6448fec14c7fae951bbdb01c71
SHA512 2d7b51f76fd13a2c96114da237373b1bf48b685a00327d9ab68875573581f4f78f0a02d1094f9ed49b7e1f0a3000b69c475f05b699de5ca8be7aa493b2be4bd2
SSDEEP 6144:KxSlaHiwEm3ZS3rC5SukHtcA474hJ0nIpeyjIw8:JhbmJrUukHtb+4ouDK
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1384-151-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/3404-139-0x0000000000400000-0x0000000000427000-memory.dmp

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memory/3404-140-0x0000000000400000-0x0000000000427000-memory.dmp

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memory/3404-137-0x0000000000400000-0x0000000000427000-memory.dmp

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memory/3404-136-0x0000000000400000-0x0000000000427000-memory.dmp

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memory/3880-147-0x0000000000400000-0x0000000000427000-memory.dmp

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memory/3880-149-0x0000000000400000-0x0000000000427000-memory.dmp

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memory/3880-150-0x0000000000400000-0x0000000000427000-memory.dmp

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memory/3880-152-0x0000000000400000-0x0000000000427000-memory.dmp

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memory/3880-153-0x0000000000400000-0x0000000000427000-memory.dmp

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memory/4848-138-0x0000000000400000-0x000000000045B000-memory.dmp

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memory/4848-134-0x0000000000400000-0x000000000045B000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads