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Analysis
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max time kernel
145s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
21/04/2024, 22:23
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe
Resource
win7-20240221-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe
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Size
41KB
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MD5
70408b748e9cbdf3534d0fced1343b22
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SHA1
d01f1e9556b20c1538f55a9f8896dac0b609f3ec
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SHA256
6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191
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SHA512
e09e7071f83c56f41f815faa58d6aa1bb89e6f8b67137efaa31640e7c6dac637fa244a1c2174f7fa3a18ec14da7ff62e77ade17a91d2aa943c55d472eeba3fcb
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SSDEEP
768:xeMc5VwWt1jDkbXdnTOyQxHFO+IxX2P5LIbbcPYir2lAqcdF0i09sy:xq5VwWDjDkdTRqHFOn8tIbbeYiuZIFSl
Score
9/10
Malware Config
Signatures
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UPX dump on OEP (original entry point) 13 IoCs
resource yara_rule behavioral1/memory/2336-0-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral1/files/0x0009000000016d24-10.dat UPX behavioral1/memory/2336-14-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral1/files/0x000900000001224c-17.dat UPX behavioral1/memory/2336-18-0x0000000000320000-0x0000000000329000-memory.dmp UPX behavioral1/memory/876-28-0x0000000000400000-0x0000000000409000-memory.dmp UPX behavioral1/memory/2336-26-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral1/memory/2336-24-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral1/files/0x00020000000180e5-29.dat UPX behavioral1/memory/1668-36-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral1/memory/1668-41-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral1/memory/1668-46-0x0000000000400000-0x000000000041F000-memory.dmp UPX behavioral1/memory/1668-47-0x0000000010000000-0x000000001000D000-memory.dmp UPX -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x0009000000016d24-10.dat acprotect -
Executes dropped EXE 2 IoCs
pid Process 876 ctfmen.exe 1668 smnss.exe -
Loads dropped DLL 9 IoCs
pid Process 2336 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe 2336 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe 2336 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe 876 ctfmen.exe 876 ctfmen.exe 1668 smnss.exe 1152 WerFault.exe 1152 WerFault.exe 1152 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" 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.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 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\1 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.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 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe -
Drops file in System32 directory 12 IoCs
description ioc Process File created C:\Windows\SysWOW64\satornas.dll 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe File opened for modification C:\Windows\SysWOW64\satornas.dll 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe File created C:\Windows\SysWOW64\zipfi.dll smnss.exe File created C:\Windows\SysWOW64\zipfiaq.dll smnss.exe File created C:\Windows\SysWOW64\ctfmen.exe 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe File opened for modification C:\Windows\SysWOW64\ctfmen.exe 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe File created C:\Windows\SysWOW64\grcopy.dll 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe File created C:\Windows\SysWOW64\smnss.exe 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe File created C:\Windows\SysWOW64\smnss.exe smnss.exe File created C:\Windows\SysWOW64\shervans.dll 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe File opened for modification C:\Windows\SysWOW64\grcopy.dll 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe File opened for modification C:\Windows\SysWOW64\shervans.dll 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.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\main\ko-kr.xml 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\7-Zip\Lang\ast.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\lt.txt smnss.exe File opened for modification C:\Program Files\Java\jdk1.7.0_80\db\README-JDK.html smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ar.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsplk.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_rtl.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsrom.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\Stationery\Roses.htm smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ca.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\sr-spc.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\it.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ms.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\pa-in.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\tk.txt smnss.exe File opened for modification C:\Program Files\7-Zip\License.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\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\7-Zip\Lang\nn.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\ja-jp.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\az.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\pl.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\numbers\numbase.xml 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\Java\jdk1.7.0_80\db\RELEASE-NOTES.html smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\bg.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\fr.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\pt.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\ipscht.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ka.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\mr.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\Common Files\Microsoft Shared\ink\fsdefinitions\main\base.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\symbols\ja-jp-sym.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\symbols\symbase.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipsnor.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\bn.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\uz-cyrl.txt 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\hu.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\numbers.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\br.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\es.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\io.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\nb.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\el.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\fa.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\baseAltGr_rtl.xml smnss.exe File opened for modification C:\Program Files\DVD Maker\Shared\Filters.xml smnss.exe File opened for modification C:\Program Files\ExitSync.doc smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\vi.txt smnss.exe File opened for modification C:\Program Files\7-Zip\readme.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ga.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ky.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\lij.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\mk.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\sq.txt smnss.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1152 1668 WerFault.exe 31 -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" smnss.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1668 smnss.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2336 wrote to memory of 876 2336 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe 30 PID 2336 wrote to memory of 876 2336 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe 30 PID 2336 wrote to memory of 876 2336 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe 30 PID 2336 wrote to memory of 876 2336 6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe 30 PID 876 wrote to memory of 1668 876 ctfmen.exe 31 PID 876 wrote to memory of 1668 876 ctfmen.exe 31 PID 876 wrote to memory of 1668 876 ctfmen.exe 31 PID 876 wrote to memory of 1668 876 ctfmen.exe 31 PID 1668 wrote to memory of 1152 1668 smnss.exe 32 PID 1668 wrote to memory of 1152 1668 smnss.exe 32 PID 1668 wrote to memory of 1152 1668 smnss.exe 32 PID 1668 wrote to memory of 1152 1668 smnss.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe"C:\Users\Admin\AppData\Local\Temp\6220a445563bfb9f4bd3e7c199d685a201c82df0d00a194a518aa52ab9370191.exe"1⤵
- Loads dropped DLL
- Adds Run key to start application
- Maps connected drives based on registry
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2336 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:876 -
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
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1668 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1668 -s 8244⤵
- Loads dropped DLL
- Program crash
PID:1152
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
183B
MD5e6d3a9805fc52915c7c4edbbdb97b6d7
SHA18ceb78fe114b49c248ee2eed96171b8a6bbb33a9
SHA256d6c415bfeadc3ef8ef4855b2110b3e14e1c6501a721e4059a3e9087b5cbbe3bf
SHA512d15aabf22215a2ade19cb49397e595f1e3713c8b7700d3ba01bfbcf10f771cca9451199a9ba9f940cce015109cf2ef4bb106bfa49c627d8b7fadd71e9c42e4e2
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Filesize
4KB
MD5c56a6aab270534887f5eaaff3b60ffbd
SHA11700037aac3c6afa4bd1a1c4d17dfdab9437fc04
SHA25698de75dc8215bd5973c1075f52a452da002a3fd897f062e007fe3ed0359bda8a
SHA512e8f38833ca455bd6a52e547d72b79a32df40c2ed28ac59e444e62aab117e9d02db67a7978c633a39e6607603106f7a5c617f8d2dc99521e67da02cca3f961fb2
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Filesize
8KB
MD57119515e0e37f581dbb2ae4022361eae
SHA156e21860558819f73752a04aac56b653c5d91278
SHA256a61b18d60e52bcc426e45f509f59d6cb5db24b90c6ccdf533e9e81981ea20328
SHA51297613e861f0ad888a2363ebca2594549ad1da0953ffaf059621c49d45018a227c86ac6ef14f1a53521ee07a35a87dddc611e1cad64f2d02af82b51ed2d1c83df
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Filesize
41KB
MD57e0cadd02b679f901ef322255d01c833
SHA1549c22ce3660d9de0731cbc7b9df80a94579f702
SHA256537c91caee8e5f0f96f29e6da1314a4c7803c51edbf5c223cdceb332df1f19dc
SHA512e68ca7742dca6895f02b0e440b74e32baad53945051587f74e15e7762c986dce775b73df9855f7eb81ea56a898013bf3d3486947eb3498dad432f98d0207b4d0