Analysis
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max time kernel
118s -
max time network
119s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
19/01/2025, 11:57
Static task
static1
Behavioral task
behavioral1
Sample
c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe
Resource
win10v2004-20241007-en
General
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Target
c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe
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Size
75KB
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MD5
6ed5cf8d1cd805767d358e6edad16bd1
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SHA1
a59441161e0b150e0bc8868780dc7ff5a633205c
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SHA256
c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7
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SHA512
6baf01c79a45e1289008dff1b9fa56ba9813239eae1b9848c32ac36c0148283afe2ce109109debed1aca5f2083b13ff9f928c36fb497df0041baf8751f7ba197
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SSDEEP
1536:4x1Qja7luy6y0s4sqfkbnAKBOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3E:wOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPM
Malware Config
Signatures
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ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x0007000000019441-9.dat acprotect -
Executes dropped EXE 2 IoCs
pid Process 2188 ctfmen.exe 2572 smnss.exe -
Loads dropped DLL 9 IoCs
pid Process 1420 c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe 1420 c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe 1420 c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe 2188 ctfmen.exe 2188 ctfmen.exe 2572 smnss.exe 2016 WerFault.exe 2016 WerFault.exe 2016 WerFault.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" smnss.exe -
Maps connected drives based on registry 3 TTPs 6 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\1 c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum smnss.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 smnss.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\1 smnss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe -
Drops file in System32 directory 12 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\grcopy.dll c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe File opened for modification C:\Windows\SysWOW64\shervans.dll c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe File created C:\Windows\SysWOW64\zipfi.dll smnss.exe File created C:\Windows\SysWOW64\zipfiaq.dll smnss.exe File created C:\Windows\SysWOW64\grcopy.dll c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe File opened for modification C:\Windows\SysWOW64\ctfmen.exe c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe File created C:\Windows\SysWOW64\shervans.dll c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe File created C:\Windows\SysWOW64\smnss.exe c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe File created C:\Windows\SysWOW64\satornas.dll c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe File opened for modification C:\Windows\SysWOW64\satornas.dll c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe File created C:\Windows\SysWOW64\smnss.exe smnss.exe File created C:\Windows\SysWOW64\ctfmen.exe c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\oskmenu.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml smnss.exe File opened for modification C:\Program Files\Internet Explorer\Timeline.cpu.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\eo.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ext.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\it.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_kor.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spl.txt smnss.exe File opened for modification C:\Program Files\7-Zip\readme.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Bears.htm smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ja.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsnld.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Green Bubbles.htm smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\be.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ko.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Stars.htm smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ms.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-changjei.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Peacock.htm smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\is.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\mk.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Soft Blue.htm smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ne.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\uz.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\Alphabet.xml smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\bin\server\Xusage.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\af.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\da.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\mn.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\mr.txt smnss.exe File opened for modification C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\gu.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ku-ckb.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\mng2.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\auxpad.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\pa-in.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\keypad\keypadbase.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\ko-kr.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipscsy.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\fa.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\kaa.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\mng.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\nn.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipshrv.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Garden.htm smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\id.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\nl.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\sv.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsjpn.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\et.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_ca.xml smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\lib\jvm.hprof.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsdeu.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsen.xml smnss.exe File opened for modification C:\Program Files\7-Zip\History.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\he.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\kab.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ro.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\an.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ast.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ba.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\cy.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipscht.xml smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\jre\THIRDPARTYLICENSEREADME-JAVAFX.txt smnss.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2016 2572 WerFault.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language smnss.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language ctfmen.exe -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" smnss.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32 c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2572 smnss.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1420 wrote to memory of 2188 1420 c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe 30 PID 1420 wrote to memory of 2188 1420 c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe 30 PID 1420 wrote to memory of 2188 1420 c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe 30 PID 1420 wrote to memory of 2188 1420 c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe 30 PID 2188 wrote to memory of 2572 2188 ctfmen.exe 31 PID 2188 wrote to memory of 2572 2188 ctfmen.exe 31 PID 2188 wrote to memory of 2572 2188 ctfmen.exe 31 PID 2188 wrote to memory of 2572 2188 ctfmen.exe 31 PID 2572 wrote to memory of 2016 2572 smnss.exe 32 PID 2572 wrote to memory of 2016 2572 smnss.exe 32 PID 2572 wrote to memory of 2016 2572 smnss.exe 32 PID 2572 wrote to memory of 2016 2572 smnss.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe"C:\Users\Admin\AppData\Local\Temp\c10c2254b611992c169c5ac0d6396ca07249235fd7d0ef2111599d3843ade8c7.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1420 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2188 -
C:\Windows\SysWOW64\smnss.exeC:\Windows\system32\smnss.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2572 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2572 -s 8284⤵
- Loads dropped DLL
- Program crash
PID:2016
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
183B
MD515facdf578f7e1a6472cfa6e870dd567
SHA1af6e69c6770b445a3ad857262f5442bad68a4aad
SHA256195825c154d73bb4483156e0d7f0661e139d178e4f5f43a1ea056c935b844b79
SHA5128ddffcc24109f9b1029a5e8437a8947440dd285a3ab9ebc806bf25589dca45ed2fc4934e3bc7752cc6fad8fc5ef193baa55faa38db5a7f6390b2809d6d68bb6b
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Filesize
75KB
MD55a53a9e24e8bd54b1a503a5acbfd0b79
SHA158603c394dff147f2d342b5653bee5dd149df8ba
SHA256700a43b37ff7d021dce3d026ad7f7da8b9ce6831a323e42e71d1d0f4c11dc2b7
SHA5120001afc627ee13f024ed82de2e71470bc170cc1e6e62995d4495202eda390feaac7b73bca7f88dd8e8130748831e51e6090229f3bedc323cac844ed0bbbb4a3d
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Filesize
4KB
MD5b6be925977558e26780660fec41a07fe
SHA15fd6fcff8021821cd94ace581630fec3433c7346
SHA256fe64c2f76501ccb8f125f8e4a084be6d2ff498661a8046e5597733e19bb4b29d
SHA5129d3d900f1ef3c3b8a2ba30c251ce2a901a1526a33b507568fa181c27dfb4a38b4fac87884db368f69a54ad7a9b98d55c91f18a8bd125108ff49aa67de643f0eb
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Filesize
8KB
MD55841e566b5ae865f5578b947b0626826
SHA146c39ad6c1cb2fea531bbadb06d7ee2c77b4e253
SHA2567b08cbfdf9016d86ae943ac575a1d3098d5143c1c181483495eba18cb2e8dc82
SHA51287af8c58b940bce8671cb688f54e8f7bccc42bbb7c49d1b7b4cd9d6577d7de12093e4c1f7c7b5cbaf2e33eace888bfdd6d5e7127fff14ab24437f282cc5317d9