cc9edc887142fc50112db7bad99afc39518c2e132413b1d0a548fc1f267ea628

Analysis

max time kernel
18s
max time network
125s
platform
windows10_x64
resource
win10v20210410
submitted
24/08/2021, 06:08

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General

Target

scvhost.exe
Size

398KB
MD5

6d48770e0812501ee714453e729d4936
SHA1

b5852d71c699358a00ff3d6034fab1bddb396647
SHA256

cc9edc887142fc50112db7bad99afc39518c2e132413b1d0a548fc1f267ea628
SHA512

65e62eb4a5aff5792fd6cbf44ee1a3bd0fe36cb69ae341fa6c4fc45847c5623b9a7446c98ef775234bd43b39a15e3fe1c6af775158e7e2047261670292e7824f

Score

8^/10

persistence upx

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2868	scvhost.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x0008000000000689-116.dat	upx
behavioral2/files/0x0008000000000689-118.dat	upx

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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run	scvhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "C:\\Users\\Admin\\AppData\\Roaming\\scvhost.exe"	scvhost.exe

Enumerates connected drives 3 TTPs 48 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)	\??\k:	scvhost.exe
File opened (read-only)	\??\p:	scvhost.exe
File opened (read-only)	\??\w:	scvhost.exe
File opened (read-only)	\??\k:	scvhost.exe
File opened (read-only)	\??\n:	scvhost.exe
File opened (read-only)	\??\r:	scvhost.exe
File opened (read-only)	\??\i:	scvhost.exe
File opened (read-only)	\??\o:	scvhost.exe
File opened (read-only)	\??\y:	scvhost.exe
File opened (read-only)	\??\o:	scvhost.exe
File opened (read-only)	\??\z:	scvhost.exe
File opened (read-only)	\??\q:	scvhost.exe
File opened (read-only)	\??\h:	scvhost.exe
File opened (read-only)	\??\u:	scvhost.exe
File opened (read-only)	\??\a:	scvhost.exe
File opened (read-only)	\??\b:	scvhost.exe
File opened (read-only)	\??\f:	scvhost.exe
File opened (read-only)	\??\m:	scvhost.exe
File opened (read-only)	\??\a:	scvhost.exe
File opened (read-only)	\??\j:	scvhost.exe
File opened (read-only)	\??\s:	scvhost.exe
File opened (read-only)	\??\t:	scvhost.exe
File opened (read-only)	\??\v:	scvhost.exe
File opened (read-only)	\??\z:	scvhost.exe
File opened (read-only)	\??\g:	scvhost.exe
File opened (read-only)	\??\j:	scvhost.exe
File opened (read-only)	\??\e:	scvhost.exe
File opened (read-only)	\??\h:	scvhost.exe
File opened (read-only)	\??\p:	scvhost.exe
File opened (read-only)	\??\w:	scvhost.exe
File opened (read-only)	\??\u:	scvhost.exe
File opened (read-only)	\??\s:	scvhost.exe
File opened (read-only)	\??\x:	scvhost.exe
File opened (read-only)	\??\f:	scvhost.exe
File opened (read-only)	\??\g:	scvhost.exe
File opened (read-only)	\??\i:	scvhost.exe
File opened (read-only)	\??\l:	scvhost.exe
File opened (read-only)	\??\y:	scvhost.exe
File opened (read-only)	\??\x:	scvhost.exe
File opened (read-only)	\??\e:	scvhost.exe
File opened (read-only)	\??\q:	scvhost.exe
File opened (read-only)	\??\t:	scvhost.exe
File opened (read-only)	\??\n:	scvhost.exe
File opened (read-only)	\??\r:	scvhost.exe
File opened (read-only)	\??\b:	scvhost.exe
File opened (read-only)	\??\m:	scvhost.exe
File opened (read-only)	\??\v:	scvhost.exe
File opened (read-only)	\??\l:	scvhost.exe

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

System Information Discovery
T1082

NTFS ADS 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\scvhost.exe:Zone.Identifier	cmd.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2868	scvhost.exe
2868	scvhost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1852 wrote to memory of 2124	1852	scvhost.exe	75
PID 1852 wrote to memory of 2124	1852	scvhost.exe	75
PID 1852 wrote to memory of 2124	1852	scvhost.exe	75
PID 1852 wrote to memory of 2868	1852	scvhost.exe	77
PID 1852 wrote to memory of 2868	1852	scvhost.exe	77
PID 1852 wrote to memory of 2868	1852	scvhost.exe	77

C:\Users\Admin\AppData\Local\Temp\scvhost.exe
"C:\Users\Admin\AppData\Local\Temp\scvhost.exe"
1⤵
- Enumerates connected drives
- Suspicious use of WriteProcessMemory
PID:1852
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /C echo. > "C:\Users\Admin\AppData\Roaming\scvhost.exe":Zone.Identifier
  2⤵
  - NTFS ADS
  PID:2124
- C:\Users\Admin\AppData\Roaming\scvhost.exe
  "C:\Users\Admin\AppData\Roaming\scvhost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Enumerates connected drives
  - Suspicious behavior: EnumeratesProcesses
  PID:2868

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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