82732e47492148243ee3fb338c93d43b9a9984f39e3409327600cffc5766af1b

Analysis

max time kernel
13s
max time network
116s
platform
windows10_x64
resource
win10v20210410
submitted
27-06-2021 12:06

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General

Target

mvs.exe
Size

476KB
MD5

faf25564825a05a4c01870cdc0535525
SHA1

54d7f92637e31e4c1aed0a58b690d7d99886c380
SHA256

82732e47492148243ee3fb338c93d43b9a9984f39e3409327600cffc5766af1b
SHA512

b44be2421a074ea986336b0c179a6d416c845ae44b4ca67d31594506bd79a3fdfa2907d7bcf7b3c46f1d942e0b057fbd8bce3a02bceb5bf91e1e70c30a57f0db

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2124	a.exe

Launches sc.exe
Sc.exe is a Windows utlilty to control services on the system.
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 2 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\Identifier	reg.exe
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	reg.exe

Gathers system information 1 TTPs 1 IoCs

Runs systeminfo.exe.

System Information Discovery

T1082

pid	Process
584	systeminfo.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3686645723-710336880-414668232-1000_Classes\Local Settings	cmd.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
3936	reg.exe

Opens file in notepad (likely ransom note) 1 IoCs

ransomware

pid	Process
804	NOTEPAD.EXE

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3744 wrote to memory of 2124	3744	mvs.exe	75
PID 3744 wrote to memory of 2124	3744	mvs.exe	75
PID 3744 wrote to memory of 2124	3744	mvs.exe	75
PID 2124 wrote to memory of 3740	2124	a.exe	79
PID 2124 wrote to memory of 3740	2124	a.exe	79
PID 2124 wrote to memory of 3740	2124	a.exe	79
PID 3740 wrote to memory of 584	3740	cmd.exe	80
PID 3740 wrote to memory of 584	3740	cmd.exe	80
PID 3740 wrote to memory of 584	3740	cmd.exe	80
PID 3740 wrote to memory of 3608	3740	cmd.exe	84
PID 3740 wrote to memory of 3608	3740	cmd.exe	84
PID 3740 wrote to memory of 3608	3740	cmd.exe	84
PID 3740 wrote to memory of 1332	3740	cmd.exe	85
PID 3740 wrote to memory of 1332	3740	cmd.exe	85
PID 3740 wrote to memory of 1332	3740	cmd.exe	85
PID 3740 wrote to memory of 804	3740	cmd.exe	86
PID 3740 wrote to memory of 804	3740	cmd.exe	86
PID 3740 wrote to memory of 804	3740	cmd.exe	86
PID 3740 wrote to memory of 2236	3740	cmd.exe	87
PID 3740 wrote to memory of 2236	3740	cmd.exe	87
PID 3740 wrote to memory of 2236	3740	cmd.exe	87
PID 3740 wrote to memory of 2180	3740	cmd.exe	88
PID 3740 wrote to memory of 2180	3740	cmd.exe	88
PID 3740 wrote to memory of 2180	3740	cmd.exe	88
PID 3740 wrote to memory of 1468	3740	cmd.exe	89
PID 3740 wrote to memory of 1468	3740	cmd.exe	89
PID 3740 wrote to memory of 1468	3740	cmd.exe	89
PID 3740 wrote to memory of 3860	3740	cmd.exe	90
PID 3740 wrote to memory of 3860	3740	cmd.exe	90
PID 3740 wrote to memory of 3860	3740	cmd.exe	90
PID 3740 wrote to memory of 2380	3740	cmd.exe	91
PID 3740 wrote to memory of 2380	3740	cmd.exe	91
PID 3740 wrote to memory of 2380	3740	cmd.exe	91
PID 3740 wrote to memory of 1912	3740	cmd.exe	92
PID 3740 wrote to memory of 1912	3740	cmd.exe	92
PID 3740 wrote to memory of 1912	3740	cmd.exe	92
PID 3740 wrote to memory of 2120	3740	cmd.exe	93
PID 3740 wrote to memory of 2120	3740	cmd.exe	93
PID 3740 wrote to memory of 2120	3740	cmd.exe	93
PID 3740 wrote to memory of 3936	3740	cmd.exe	94
PID 3740 wrote to memory of 3936	3740	cmd.exe	94
PID 3740 wrote to memory of 3936	3740	cmd.exe	94
PID 3740 wrote to memory of 4024	3740	cmd.exe	95
PID 3740 wrote to memory of 4024	3740	cmd.exe	95
PID 3740 wrote to memory of 4024	3740	cmd.exe	95
PID 3740 wrote to memory of 3500	3740	cmd.exe	96
PID 3740 wrote to memory of 3500	3740	cmd.exe	96
PID 3740 wrote to memory of 3500	3740	cmd.exe	96
PID 3740 wrote to memory of 204	3740	cmd.exe	97
PID 3740 wrote to memory of 204	3740	cmd.exe	97
PID 3740 wrote to memory of 204	3740	cmd.exe	97
PID 3740 wrote to memory of 3928	3740	cmd.exe	98
PID 3740 wrote to memory of 3928	3740	cmd.exe	98
PID 3740 wrote to memory of 3928	3740	cmd.exe	98
PID 3740 wrote to memory of 3968	3740	cmd.exe	99
PID 3740 wrote to memory of 3968	3740	cmd.exe	99
PID 3740 wrote to memory of 3968	3740	cmd.exe	99
PID 3740 wrote to memory of 2184	3740	cmd.exe	100
PID 3740 wrote to memory of 2184	3740	cmd.exe	100
PID 3740 wrote to memory of 2184	3740	cmd.exe	100
PID 2184 wrote to memory of 3996	2184	cmd.exe	101
PID 2184 wrote to memory of 3996	2184	cmd.exe	101
PID 2184 wrote to memory of 3996	2184	cmd.exe	101
PID 3740 wrote to memory of 3108	3740	cmd.exe	102

C:\Users\Admin\AppData\Local\Temp\mvs.exe
"C:\Users\Admin\AppData\Local\Temp\mvs.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3744
- C:\windows\temp\a.exe
  "C:\windows\temp\a.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\2773.tmp\a.bat" "C:\windows\temp\a.exe""
    3⤵
    - Modifies registry class
    - Suspicious use of WriteProcessMemory
    PID:3740
  - - C:\Windows\SysWOW64\systeminfo.exe
      systeminfo /fo list
      4⤵
      Gathers system information
      PID:584
  - - C:\Windows\SysWOW64\find.exe
      Find /i "OS Name: "
      4⤵
      PID:3608
  - - C:\Windows\SysWOW64\find.exe
      Find /i "OS Version: "
      4⤵
      PID:1332
  - - C:\Windows\SysWOW64\find.exe
      Find /i "System Model:"
      4⤵
      PID:804
  - - C:\Windows\SysWOW64\find.exe
      Find /i "System Manufacturer: "
      4⤵
      PID:2236
  - - C:\Windows\SysWOW64\find.exe
      Find /i "BIOS Version:"
      4⤵
      PID:2180
  - - C:\Windows\SysWOW64\find.exe
      Find /i "Total Physical Memory: "
      4⤵
      PID:1468
  - - C:\Windows\SysWOW64\find.exe
      Find /i "Time Zone:"
      4⤵
      PID:3860
  - - C:\Windows\SysWOW64\find.exe
      Find /i "DHCP Server:"
      4⤵
      PID:2380
  - - C:\Windows\SysWOW64\find.exe
      Find /i "Connection Name:"
      4⤵
      PID:1912
  - - C:\Windows\SysWOW64\find.exe
      Find /i "Original Install Date: "
      4⤵
      PID:2120
  - - C:\Windows\SysWOW64\reg.exe
      reg query HKLM\Hardware\Description\System\CentralProcessor\0 /v Identifier
      4⤵
      Checks processor information in registry
      Modifies registry key
      PID:3936
  - - C:\Windows\SysWOW64\find.exe
      Find /i "x86"
      4⤵
      PID:4024
  - - C:\Windows\SysWOW64\getmac.exe
      getmac /nh
      4⤵
      PID:3500
  - - C:\Windows\SysWOW64\reg.exe
      Reg query "HKEY_CLASSES_ROOT\http\shell\open\command" /ve
      4⤵
      PID:204
  - - C:\Windows\SysWOW64\findstr.exe
      Findstr /i "Program Files" c:\windows\temp\c.txt
      4⤵
      PID:3928
  - - C:\Windows\SysWOW64\reg.exe
      Reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer" /v SVCversion
      4⤵
      PID:3968
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c Reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer" /v SVCversion
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2184
    - - C:\Windows\SysWOW64\reg.exe
        
        Reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer" /v SVCversion
        5⤵
        
        PID:3996
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c Reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Firefox" /v CurrentVersion
      4⤵
      PID:3108
    - - C:\Windows\SysWOW64\reg.exe
        
        Reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Firefox" /v CurrentVersion
        5⤵
        
        PID:1436
  - - C:\Windows\SysWOW64\reg.exe
      Reg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Player Plugin" /v DisplayVersion
      4⤵
      PID:1364
  - - C:\Windows\SysWOW64\findstr.exe
      Findstr /i "REG_SZ" c:\windows\temp\123.txt
      4⤵
      PID:2840
  - - C:\Windows\SysWOW64\reg.exe
      reg query "HKLM\SOFTWARE\Adobe\Acrobat Reader"
      4⤵
      PID:2628
  - - C:\Windows\SysWOW64\reg.exe
      Reg query "HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Plug-in"
      4⤵
      PID:3180
  - - C:\Windows\SysWOW64\findstr.exe
      Findstr /i "1" c:\windows\temp\123.txt
      4⤵
      PID:2072
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" ver "
      4⤵
      PID:428
  - - C:\Windows\SysWOW64\findstr.exe
      findstr /i "5\.1\."
      4⤵
      PID:3744
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc query mpssvc | findstr /i "STATE"
      4⤵
      PID:3588
    - - C:\Windows\SysWOW64\sc.exe
        
        sc query mpssvc
        5⤵
        
        PID:3060
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr /i "STATE"
        5⤵
        
        PID:1832
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc query mpssvc | findstr /i "installed"
      4⤵
      PID:192
    - - C:\Windows\SysWOW64\sc.exe
        
        sc query mpssvc
        5⤵
        
        PID:944
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr /i "installed"
        5⤵
        
        PID:3500
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc query wuauserv | findstr /i "STATE"
      4⤵
      PID:1208
    - - C:\Windows\SysWOW64\sc.exe
        
        sc query wuauserv
        5⤵
        
        PID:1204
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr /i "STATE"
        5⤵
        
        PID:348
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc query wuauserv | findstr /i "installed"
      4⤵
      PID:1016
    - - C:\Windows\SysWOW64\sc.exe
        
        sc query wuauserv
        5⤵
        
        PID:2112
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr /i "installed"
        5⤵
        
        PID:356
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc query wscsvc | findstr /i "STATE"
      4⤵
      PID:2844
    - - C:\Windows\SysWOW64\sc.exe
        
        sc query wscsvc
        5⤵
        
        PID:2836
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr /i "STATE"
        5⤵
        
        PID:3980
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc query wscsvc | findstr /i "installed"
      4⤵
      PID:2480
    - - C:\Windows\SysWOW64\sc.exe
        
        sc query wscsvc
        5⤵
        
        PID:2660
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr /i "installed"
        5⤵
        
        PID:2380
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc query msiserver | findstr /i "STATE"
      4⤵
      PID:3772
    - - C:\Windows\SysWOW64\sc.exe
        
        sc query msiserver
        5⤵
        
        PID:428
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr /i "STATE"
        5⤵
        
        PID:212
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c sc query msiserver | findstr /i "installed"
      4⤵
      PID:188
    - - C:\Windows\SysWOW64\sc.exe
        
        sc query msiserver
        5⤵
        
        PID:1832
    - - C:\Windows\SysWOW64\findstr.exe
        
        findstr /i "installed"
        5⤵
        
        PID:3404
  - - C:\Windows\SysWOW64\NOTEPAD.EXE
      "C:\Windows\system32\NOTEPAD.EXE" C:\windows\temp\Report.txt
      4⤵
      Opens file in notepad (likely ransom note)
      PID:804

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

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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