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Analysis
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max time kernel
91s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
25/09/2024, 07:34
Static task
static1
Behavioral task
behavioral1
Sample
98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
Resource
win10v2004-20240802-en
General
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Target
98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe
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Size
522KB
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MD5
38e068d2be79fc66cfeda97b900b9330
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SHA1
26c231cc362fd511f7c73a0a0017443a55ec0e60
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SHA256
98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903f
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SHA512
c79ac30b20bad6d773314f43b375d0b50826b8cd044bd17cf74d6cbb1d1b566beb94093539ce268cb071f31bd68352ea814358a1766b2d2dc85b7a5a17a617dd
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SSDEEP
12288:ntKe6Zv23YeVONkJDFPQeGySItg8lnZVUxP3tk1u:76Zv2l4kPQeGyp6tko
Malware Config
Signatures
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Boot or Logon Autostart Execution: Active Setup 2 TTPs 4 IoCs
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983} 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msryr32.exe" 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983} svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\StubPath = "msryr32.exe" svchost.exe -
Executes dropped EXE 1 IoCs
pid Process 1412 svchost.exe -
Modifies system executable filetype association 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" svchost.exe -
Adds Run key to start application 2 TTPs 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\VCL = "vcl32.exe" svchost.exe -
Drops file in System32 directory 6 IoCs
description ioc Process File created C:\Windows\SysWOW64\concp32.exe 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe File opened for modification C:\Windows\SysWOW64\concp32.exe 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe File created C:\Windows\SysWOW64\vcl32.exe 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe File opened for modification C:\Windows\SysWOW64\vcl32.exe 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe File created C:\Windows\SysWOW64\msryr32.exe 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe File opened for modification C:\Windows\SysWOW64\msryr32.exe 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\svchost.exe 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe File opened for modification C:\Windows\svchost.exe 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language svchost.exe -
Modifies registry class 12 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983} 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\ax = 7153e5822f6aa701adb5cb72701e1408 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\exefile\shell\open\command\ = "C:\\Windows\\SysWow64\\concp32.exe \"%1\" %*" 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\u0 = 658663d26f8bad325217a06063847056939f558d910ed252e05dd0113550f7fc0f4da82ff73a0681ba604c2d4f23269f svchost.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\u1 = 551d2e0658054ba756fd3798fea5ffca42865cb762a31639dabd7f2cca44e226 svchost.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\u2 = a54a6b702f92fdf2acd57599e2ae1608015dff41aa020117fc9bd8e2dcf4340f3fa61eb55d6f28597df90602703809d4 svchost.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\v = "165" svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\sm = ebb5525fa3bcf9422c8ff945977d6af9 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983} svchost.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{9CACF1FB-8B9A-11D5-EBA1-F78EEEEEE983}\InprocServer32 svchost.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2568 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2568 wrote to memory of 1412 2568 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe 30 PID 2568 wrote to memory of 1412 2568 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe 30 PID 2568 wrote to memory of 1412 2568 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe 30 PID 2568 wrote to memory of 1412 2568 98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe"C:\Users\Admin\AppData\Local\Temp\98bb57ba1c1a420726eba706d8f91c4482042a14433e9d29ef6a2c42b5c3903fN.exe"1⤵
- Boot or Logon Autostart Execution: Active Setup
- Modifies system executable filetype association
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\Windows\svchost.exeC:\Windows\svchost.exe2⤵
- Boot or Logon Autostart Execution: Active Setup
- Executes dropped EXE
- Modifies system executable filetype association
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1412
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Event Triggered Execution
1Change Default File Association
1Replay Monitor
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Downloads
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Filesize
522KB
MD57dde61ae7f5a3491bedfd6852681aeb5
SHA17af3a7f10a4fee0ad50b710e9baaebafe2d65dd4
SHA2564c8b240b25e23f741b8901f660114d0973c87d4a414843a810f13efbb2c5021d
SHA5123fd6a226f6727ccc0c44a4fbb0cd5566099989b0a2cb9b06b70b343e29061ecda50e6b7af1af0639d36e37b1dae49d0a4a487bfe907be93b23e6e2100720e46c
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Filesize
525KB
MD5aa75c41d699e1849058e4d822ffac758
SHA1ab00600450f4aa6a418092ce746fc4761ac5ff3c
SHA256f0b3175f207312539a12f40f25c6492672e80b7c19da30a2db43c97f24db4822
SHA512860700d9315b609ca1e8a8c184963a0025c24ddca6f492392b1e73a6f11a55843f8e77c579961dfb9157cd701880417f0b28bedaa9a7436e35c4cd0d44c6d9d8