Analysis
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max time kernel
144s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
24-05-2024 19:12
Static task
static1
2 signatures
Behavioral task
behavioral1
Sample
1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe
Resource
win7-20231129-en
windows7-x64
12 signatures
150 seconds
Behavioral task
behavioral2
Sample
1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
14 signatures
150 seconds
General
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Target
1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe
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Size
120KB
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MD5
80d5bd632ae012d76536279fd467d87e
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SHA1
d2007ae0a2232adb673ec872546b334018258d8d
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SHA256
1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2
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SHA512
2a568fc7a6572b24fd8a1af288e3efcac60fffcb6ac6508da1c1eef3b639d0232da7f0e843b9a551154b87be53870907db0b5e7d2d65ff87149fdd7a080c5d02
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SSDEEP
3072:WOjWuyt0ZsqsXOKofHfHTXQLzgvnzHPowYbvrjD/L7QPbg/Dr0T3rnXLHf7zjPPh:WIs9OKofHfHTXQLzgvnzHPowYbvrjD/E
Score
9/10
Malware Config
Signatures
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UPX dump on OEP (original entry point) 12 IoCs
resource yara_rule behavioral1/memory/2468-0-0x0000000000400000-0x0000000000420000-memory.dmp UPX behavioral1/files/0x000b000000012303-10.dat UPX behavioral1/memory/2468-14-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral1/files/0x000c0000000122e4-17.dat UPX behavioral1/memory/2468-18-0x00000000002D0000-0x00000000002D9000-memory.dmp UPX behavioral1/files/0x0008000000012678-29.dat UPX behavioral1/memory/2468-27-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral1/memory/2924-32-0x0000000000400000-0x0000000000409000-memory.dmp UPX behavioral1/memory/2468-26-0x0000000000400000-0x0000000000420000-memory.dmp UPX behavioral1/memory/2700-36-0x0000000000400000-0x0000000000420000-memory.dmp UPX behavioral1/memory/2700-43-0x0000000010000000-0x000000001000D000-memory.dmp UPX behavioral1/memory/2700-49-0x0000000000400000-0x0000000000420000-memory.dmp UPX -
ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
resource yara_rule behavioral1/files/0x000b000000012303-10.dat acprotect -
Executes dropped EXE 2 IoCs
pid Process 2924 ctfmen.exe 2700 smnss.exe -
Loads dropped DLL 9 IoCs
pid Process 2468 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe 2468 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe 2468 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe 2924 ctfmen.exe 2924 ctfmen.exe 2700 smnss.exe 2752 WerFault.exe 2752 WerFault.exe 2752 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" 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.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 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\1 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.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 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe -
Drops file in System32 directory 12 IoCs
description ioc Process File created C:\Windows\SysWOW64\smnss.exe 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe File opened for modification C:\Windows\SysWOW64\satornas.dll 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe File created C:\Windows\SysWOW64\zipfiaq.dll smnss.exe File created C:\Windows\SysWOW64\smnss.exe smnss.exe File created C:\Windows\SysWOW64\ctfmen.exe 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe File opened for modification C:\Windows\SysWOW64\ctfmen.exe 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe File opened for modification C:\Windows\SysWOW64\grcopy.dll 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe File opened for modification C:\Windows\SysWOW64\shervans.dll 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe File created C:\Windows\SysWOW64\shervans.dll 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe File created C:\Windows\SysWOW64\grcopy.dll 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe File created C:\Windows\SysWOW64\satornas.dll 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe File created C:\Windows\SysWOW64\zipfi.dll smnss.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\keypad.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\fsdefinitions\web.xml 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\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\7-Zip\Lang\zh-cn.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\ipsnor.xml 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\va.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\lt.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\fsdefinitions\numbers.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\es.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\osknumpad.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\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_heb.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-phonetic.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\hr.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\ru.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\sl.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\uk.txt 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\az.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\kk.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\si.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\oskmenu\oskmenubase.xml 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\Google\Chrome\Application\chrome.VisualElementsManifest.xml 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\fy.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ta.txt smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\oskpred\oskpredbase.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipskor.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\sr-spc.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\Common Files\Microsoft Shared\ink\ipsfra.xml 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\Green Bubbles.htm 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\Common Files\Microsoft Shared\Stationery\Hand Prints.htm smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\eu.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\Common Files\Microsoft Shared\ink\fsdefinitions\symbols\ea-sym.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipschs.xml smnss.exe File opened for modification C:\Program Files\Common Files\Microsoft Shared\ink\ipssrl.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\7-Zip\Lang\pl.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\tr.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\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-dayi.xml 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\Common Files\Microsoft Shared\ink\ipsrus.xml smnss.exe File opened for modification C:\Program Files\DVD Maker\Shared\Filters.xml smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\ar.txt smnss.exe File opened for modification C:\Program Files\7-Zip\Lang\da.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\ink\fsdefinitions\symbols\symbase.xml smnss.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 2752 2700 WerFault.exe 29 -
Modifies registry class 6 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED} 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{E6FB5E20-DE35-11CF-9C87-00AA005127ED}\InprocServer32\ = "C:\\Windows\\SysWow64\\shervans.dll" 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.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 2700 smnss.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2468 wrote to memory of 2924 2468 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe 28 PID 2468 wrote to memory of 2924 2468 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe 28 PID 2468 wrote to memory of 2924 2468 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe 28 PID 2468 wrote to memory of 2924 2468 1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe 28 PID 2924 wrote to memory of 2700 2924 ctfmen.exe 29 PID 2924 wrote to memory of 2700 2924 ctfmen.exe 29 PID 2924 wrote to memory of 2700 2924 ctfmen.exe 29 PID 2924 wrote to memory of 2700 2924 ctfmen.exe 29 PID 2700 wrote to memory of 2752 2700 smnss.exe 30 PID 2700 wrote to memory of 2752 2700 smnss.exe 30 PID 2700 wrote to memory of 2752 2700 smnss.exe 30 PID 2700 wrote to memory of 2752 2700 smnss.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.exe"C:\Users\Admin\AppData\Local\Temp\1a382aa8c061945d5e33939e85a80df65e815b002e9e4fe60ccbed5a76ba8aa2.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:2468 -
C:\Windows\SysWOW64\ctfmen.exectfmen.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2924 -
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:2700 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2700 -s 7964⤵
- Loads dropped DLL
- Program crash
PID:2752
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
183B
MD574d4f5b52410855e072b4b85c87e58c6
SHA17d917b19199ae1a9d8267467ccab79a9abe979ef
SHA256667ad7cf97cc10d35767745c5a1185f8ea7a7c96d89af97fe5d13ff7ea67710f
SHA512857ed124a0fc12b25fc35643665267bfe9530d9179095fad73510880c7c6ec4e29524eade52deeda6deea1dc7f04ad3b8b95b5ac7e1073fd64ab1737c00a17f9
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Filesize
120KB
MD50eba41b118aad7cad754db200be9c781
SHA149182decd6d900f0a62fa22282b97692312862b0
SHA256444a2503603afcc22f23a34076c0ead3c711503efe2ee8ab9d08b385f1ea6852
SHA51217a30291eb1061925b7dc290033b0ea0b121764cdd38a23efc3fbba7088a4e7a3ced24855a283e6f9afd6857c1bfc4108a932912d907334ea80414878a05b38c
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Filesize
4KB
MD5ee5288f9b19fd30b3b1c4669410f31cf
SHA1ffad51a418cbb95ea4490484f1f77ba22c2c2912
SHA25679ba23a51d08afbd4ebae23a5235a995bd3941eb5f705919269611ac34ad6f0b
SHA512bf3d3e0a74a2295d9da77f99e61c959219b5def5d4a7e394242217cdf1e58573215cdd16df92af94b32c8f6214a3f87aee5f5b93dcc97607778763fc9015db30
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Filesize
8KB
MD571085f8cdaa478197d6db1a8593fd5cf
SHA10137f68926fbddc8c8370624ea4e5dd943897ca3
SHA25604b710a2abf77c6b45ca4a5ad3e998c46ff7ec40399552684fff38381dc267a9
SHA51234467b7201f93778dd29e6d5fc18f90bf5e5056fea3f725aac9a2ff5ff0f88b62edccc27cf625ee582e7aec66f240d0d2e153b9c46504f104364e4deecfa73a3