Analysis
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max time kernel
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max time network
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platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
25-05-2022 22:08
Static task
static1
Behavioral task
behavioral1
Sample
mvs.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
mvs.exe
Resource
win10v2004-20220414-en
General
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Target
mvs.exe
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Size
476KB
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MD5
faf25564825a05a4c01870cdc0535525
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SHA1
54d7f92637e31e4c1aed0a58b690d7d99886c380
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SHA256
82732e47492148243ee3fb338c93d43b9a9984f39e3409327600cffc5766af1b
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SHA512
b44be2421a074ea986336b0c179a6d416c845ae44b4ca67d31594506bd79a3fdfa2907d7bcf7b3c46f1d942e0b057fbd8bce3a02bceb5bf91e1e70c30a57f0db
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
a.exepid Process 4788 a.exe -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
mvs.execmd.exedescription ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation mvs.exe Key value queried \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000\Control Panel\International\Geo\Nation cmd.exe -
Launches sc.exe
Sc.exe is a Windows utlilty to control services on the system.
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
reg.exedescription ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 reg.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier reg.exe -
Gathers system information 1 TTPs 1 IoCs
Runs systeminfo.exe.
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Modifies registry class 1 IoCs
Processes:
cmd.exedescription ioc Process Key created \REGISTRY\USER\S-1-5-21-3751123196-3323558407-1869646069-1000_Classes\Local Settings cmd.exe -
Modifies registry key 1 TTPs 1 IoCs
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Opens file in notepad (likely ransom note) 1 IoCs
Processes:
NOTEPAD.EXEpid Process 1824 NOTEPAD.EXE -
Suspicious use of WriteProcessMemory 64 IoCs
Processes:
mvs.exea.execmd.execmd.exedescription pid Process procid_target PID 1976 wrote to memory of 4788 1976 mvs.exe 79 PID 1976 wrote to memory of 4788 1976 mvs.exe 79 PID 1976 wrote to memory of 4788 1976 mvs.exe 79 PID 4788 wrote to memory of 2584 4788 a.exe 82 PID 4788 wrote to memory of 2584 4788 a.exe 82 PID 4788 wrote to memory of 2584 4788 a.exe 82 PID 2584 wrote to memory of 2652 2584 cmd.exe 83 PID 2584 wrote to memory of 2652 2584 cmd.exe 83 PID 2584 wrote to memory of 2652 2584 cmd.exe 83 PID 2584 wrote to memory of 3632 2584 cmd.exe 86 PID 2584 wrote to memory of 3632 2584 cmd.exe 86 PID 2584 wrote to memory of 3632 2584 cmd.exe 86 PID 2584 wrote to memory of 4876 2584 cmd.exe 87 PID 2584 wrote to memory of 4876 2584 cmd.exe 87 PID 2584 wrote to memory of 4876 2584 cmd.exe 87 PID 2584 wrote to memory of 4216 2584 cmd.exe 88 PID 2584 wrote to memory of 4216 2584 cmd.exe 88 PID 2584 wrote to memory of 4216 2584 cmd.exe 88 PID 2584 wrote to memory of 2304 2584 cmd.exe 89 PID 2584 wrote to memory of 2304 2584 cmd.exe 89 PID 2584 wrote to memory of 2304 2584 cmd.exe 89 PID 2584 wrote to memory of 3776 2584 cmd.exe 90 PID 2584 wrote to memory of 3776 2584 cmd.exe 90 PID 2584 wrote to memory of 3776 2584 cmd.exe 90 PID 2584 wrote to memory of 4068 2584 cmd.exe 91 PID 2584 wrote to memory of 4068 2584 cmd.exe 91 PID 2584 wrote to memory of 4068 2584 cmd.exe 91 PID 2584 wrote to memory of 3080 2584 cmd.exe 92 PID 2584 wrote to memory of 3080 2584 cmd.exe 92 PID 2584 wrote to memory of 3080 2584 cmd.exe 92 PID 2584 wrote to memory of 4408 2584 cmd.exe 93 PID 2584 wrote to memory of 4408 2584 cmd.exe 93 PID 2584 wrote to memory of 4408 2584 cmd.exe 93 PID 2584 wrote to memory of 2980 2584 cmd.exe 94 PID 2584 wrote to memory of 2980 2584 cmd.exe 94 PID 2584 wrote to memory of 2980 2584 cmd.exe 94 PID 2584 wrote to memory of 2992 2584 cmd.exe 95 PID 2584 wrote to memory of 2992 2584 cmd.exe 95 PID 2584 wrote to memory of 2992 2584 cmd.exe 95 PID 2584 wrote to memory of 4520 2584 cmd.exe 96 PID 2584 wrote to memory of 4520 2584 cmd.exe 96 PID 2584 wrote to memory of 4520 2584 cmd.exe 96 PID 2584 wrote to memory of 4628 2584 cmd.exe 97 PID 2584 wrote to memory of 4628 2584 cmd.exe 97 PID 2584 wrote to memory of 4628 2584 cmd.exe 97 PID 2584 wrote to memory of 1736 2584 cmd.exe 98 PID 2584 wrote to memory of 1736 2584 cmd.exe 98 PID 2584 wrote to memory of 1736 2584 cmd.exe 98 PID 2584 wrote to memory of 3884 2584 cmd.exe 99 PID 2584 wrote to memory of 3884 2584 cmd.exe 99 PID 2584 wrote to memory of 3884 2584 cmd.exe 99 PID 2584 wrote to memory of 4696 2584 cmd.exe 100 PID 2584 wrote to memory of 4696 2584 cmd.exe 100 PID 2584 wrote to memory of 4696 2584 cmd.exe 100 PID 2584 wrote to memory of 560 2584 cmd.exe 101 PID 2584 wrote to memory of 560 2584 cmd.exe 101 PID 2584 wrote to memory of 560 2584 cmd.exe 101 PID 2584 wrote to memory of 4968 2584 cmd.exe 102 PID 2584 wrote to memory of 4968 2584 cmd.exe 102 PID 2584 wrote to memory of 4968 2584 cmd.exe 102 PID 4968 wrote to memory of 4636 4968 cmd.exe 103 PID 4968 wrote to memory of 4636 4968 cmd.exe 103 PID 4968 wrote to memory of 4636 4968 cmd.exe 103 PID 2584 wrote to memory of 4616 2584 cmd.exe 104
Processes
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C:\Users\Admin\AppData\Local\Temp\mvs.exe"C:\Users\Admin\AppData\Local\Temp\mvs.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1976 -
C:\windows\temp\a.exe"C:\windows\temp\a.exe"2⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4788 -
C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\79D8.tmp\a.bat" "C:\windows\temp\a.exe""3⤵
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2584 -
C:\Windows\SysWOW64\systeminfo.exesysteminfo /fo list4⤵
- Gathers system information
PID:2652
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C:\Windows\SysWOW64\find.exeFind /i "OS Name: "4⤵PID:3632
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C:\Windows\SysWOW64\find.exeFind /i "OS Version: "4⤵PID:4876
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C:\Windows\SysWOW64\find.exeFind /i "System Model:"4⤵PID:4216
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C:\Windows\SysWOW64\find.exeFind /i "System Manufacturer: "4⤵PID:2304
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C:\Windows\SysWOW64\find.exeFind /i "BIOS Version:"4⤵PID:3776
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C:\Windows\SysWOW64\find.exeFind /i "Total Physical Memory: "4⤵PID:4068
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C:\Windows\SysWOW64\find.exeFind /i "Time Zone:"4⤵PID:3080
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C:\Windows\SysWOW64\find.exeFind /i "DHCP Server:"4⤵PID:4408
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C:\Windows\SysWOW64\find.exeFind /i "Connection Name:"4⤵PID:2980
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C:\Windows\SysWOW64\find.exeFind /i "Original Install Date: "4⤵PID:2992
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C:\Windows\SysWOW64\reg.exereg query HKLM\Hardware\Description\System\CentralProcessor\0 /v Identifier4⤵
- Checks processor information in registry
- Modifies registry key
PID:4520
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C:\Windows\SysWOW64\find.exeFind /i "x86"4⤵PID:4628
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C:\Windows\SysWOW64\getmac.exegetmac /nh4⤵PID:1736
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C:\Windows\SysWOW64\reg.exeReg query "HKEY_CLASSES_ROOT\http\shell\open\command" /ve4⤵PID:3884
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C:\Windows\SysWOW64\findstr.exeFindstr /i "Program Files" c:\windows\temp\c.txt4⤵PID:4696
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C:\Windows\SysWOW64\reg.exeReg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer" /v SVCversion4⤵PID:560
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c Reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer" /v SVCversion4⤵
- Suspicious use of WriteProcessMemory
PID:4968 -
C:\Windows\SysWOW64\reg.exeReg query "HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Internet Explorer" /v SVCversion5⤵PID:4636
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c Reg query "HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Firefox" /v CurrentVersion4⤵PID:4616
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C:\Windows\SysWOW64\reg.exeReg query "HKEY_LOCAL_MACHINE\SOFTWARE\Mozilla\Mozilla Firefox" /v CurrentVersion5⤵PID:4576
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C:\Windows\SysWOW64\reg.exeReg query "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\Adobe Flash Player Plugin" /v DisplayVersion4⤵PID:4532
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C:\Windows\SysWOW64\findstr.exeFindstr /i "REG_SZ" c:\windows\temp\123.txt4⤵PID:4608
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C:\Windows\SysWOW64\reg.exereg query "HKLM\SOFTWARE\Adobe\Acrobat Reader"4⤵PID:4492
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C:\Windows\SysWOW64\reg.exeReg query "HKEY_LOCAL_MACHINE\SOFTWARE\JavaSoft\Java Plug-in"4⤵PID:1692
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C:\Windows\SysWOW64\findstr.exeFindstr /i "1" c:\windows\temp\123.txt4⤵PID:4344
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" ver "4⤵PID:4388
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C:\Windows\SysWOW64\findstr.exefindstr /i "5\.1\."4⤵PID:4400
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc query mpssvc | findstr /i "STATE"4⤵PID:3716
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C:\Windows\SysWOW64\sc.exesc query mpssvc5⤵PID:1364
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C:\Windows\SysWOW64\findstr.exefindstr /i "STATE"5⤵PID:4436
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc query mpssvc | findstr /i "installed"4⤵PID:3220
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C:\Windows\SysWOW64\sc.exesc query mpssvc5⤵PID:3212
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C:\Windows\SysWOW64\findstr.exefindstr /i "installed"5⤵PID:1088
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc query wuauserv | findstr /i "STATE"4⤵PID:1412
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C:\Windows\SysWOW64\sc.exesc query wuauserv5⤵PID:5104
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C:\Windows\SysWOW64\findstr.exefindstr /i "STATE"5⤵PID:5088
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc query wuauserv | findstr /i "installed"4⤵PID:3224
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C:\Windows\SysWOW64\sc.exesc query wuauserv5⤵PID:924
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C:\Windows\SysWOW64\findstr.exefindstr /i "installed"5⤵PID:5116
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc query wscsvc | findstr /i "STATE"4⤵PID:4992
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C:\Windows\SysWOW64\sc.exesc query wscsvc5⤵PID:4988
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C:\Windows\SysWOW64\findstr.exefindstr /i "STATE"5⤵PID:4328
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc query wscsvc | findstr /i "installed"4⤵PID:100
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C:\Windows\SysWOW64\sc.exesc query wscsvc5⤵PID:216
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C:\Windows\SysWOW64\findstr.exefindstr /i "installed"5⤵PID:228
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc query msiserver | findstr /i "STATE"4⤵PID:8
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C:\Windows\SysWOW64\sc.exesc query msiserver5⤵PID:3152
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C:\Windows\SysWOW64\findstr.exefindstr /i "STATE"5⤵PID:3544
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c sc query msiserver | findstr /i "installed"4⤵PID:3164
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C:\Windows\SysWOW64\sc.exesc query msiserver5⤵PID:2928
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C:\Windows\SysWOW64\findstr.exefindstr /i "installed"5⤵PID:1212
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C:\Windows\SysWOW64\NOTEPAD.EXE"C:\Windows\system32\NOTEPAD.EXE" C:\windows\temp\Report.txt4⤵
- Opens file in notepad (likely ransom note)
PID:1824
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
7KB
MD5121b06bb9a454fcd9c1c618c25f193dc
SHA159b3de866e3848e48e877d7c115e64cb725c4c7e
SHA25681800740d6cc41785cd030ca001d2182b0ef21bb3b4ec5054fe152e8e783ca47
SHA5120d30cb02f589cfe315091c24421467d35e2490cd10009b88d3664e0e65c02723634fd62444412a45e67affa1352a3352d09bd871d19a2100d8fc5e72fd6bd9ab
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Filesize
216KB
MD56b2c8c3958f0e87c1b111390127eaff8
SHA14e7089791266f8daf2cf47a47db7cd2ad117bd8e
SHA256adb2ff6be2d36cd0ed909084dfe47f85aee7e40184bf87d7aff9eff4fb3ba1f0
SHA512b4e1e4bf2b1479b721dd2981a0ea05006ebacf569e1a1974b9678f058793f1103e5c4533843f1582b59edf84c4c7e83d2eed12c5416a2efc45edb94da155eb12
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Filesize
1KB
MD5e12f14b8b3893ea4c9b357e5319c8e77
SHA19abf5ae4377a92311f80f26f1034cb73cafdf712
SHA25607d6159e7921b813bd3b53c62956a7c3bff9e9adf3d35d779ebf7f43f05178a8
SHA5128c7f5151ba34af660f438a80d3dda6731038a83a84ed8e838af4271ddfc19138e36d12e8d79ea7e39f3136ebc6d701e6df37aa6d5bd1f78de661f02279f1c294
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Filesize
216KB
MD56b2c8c3958f0e87c1b111390127eaff8
SHA14e7089791266f8daf2cf47a47db7cd2ad117bd8e
SHA256adb2ff6be2d36cd0ed909084dfe47f85aee7e40184bf87d7aff9eff4fb3ba1f0
SHA512b4e1e4bf2b1479b721dd2981a0ea05006ebacf569e1a1974b9678f058793f1103e5c4533843f1582b59edf84c4c7e83d2eed12c5416a2efc45edb94da155eb12
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Filesize
211KB
MD5ee8eeff90bf2db3a002a27990a82cb19
SHA1647c8de3585d87b8c297fe2bd0f54e8e4460aa55
SHA2562dc4292328bbd11f3142311145ec6a78247d244a53d67be5c8d4b66584a5fdc5
SHA51239325f0465d081b270debe39531337b99d01a1806c842f82e4ed922122865ba1f02ccca37fde8613dc9de4a46ba5cb5255126d56b44495dfdd36b723cf65d761
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Filesize
128B
MD5628d983719759839517e5efe60f5f0d3
SHA14ffb5d09376b369071da2c2ec75f6e3f44d11502
SHA25613fc04ef802cc8ba2926ccee55b7e4d8b13db1d22545ab123ca29fd61e7a71de
SHA51237bbbd28b99eaec98de63b12cdbcc55fac73258f69dabe68cff8d33c47f41eee7175c14f09d9baae5fe17dd6e7360a3f132aba5ad46e79de55fd7324bddcc07c
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Filesize
30KB
MD5a48b1c06219a01a60cd8d4d45440bde9
SHA134af23607ad5afa9e61b6a96cec811e6bdc50b4a
SHA2565c3736e37168dae7e431a31d5c4e0d351271d37804787ee3b8fa6e46413ba880
SHA5128f6b29be451582e47743009d95637f540dea4d7c93e685687e8b8f130a1cf535a4030722367fd4ac49639c19ce35c779c0cfef315eea038d9a4434474c7690f4
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Filesize
70KB
MD5a279f4091f940c15a288767f4285c0ff
SHA14572dc2ae3cdc4d7ea75249037bdb2d394d7ec83
SHA2567852ee782a6310be5d1b94df136299060ddff820dbe8bb2a2b79fe92eec0b7c0
SHA5122f3a448a8491add4c43e3d059f89db94fdb988f9930b8b79cc231b865d3d5007c62a54c08416814b73bad98ace63df6788c8887d1c2458250b37c628797f70a9