Analysis
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max time kernel
120s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
23/04/2024, 05:37
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
f2670076dd5cfe6c9de5b09cf8a7e1086337de8eaad881761b7681003e7acd99.dll
Resource
win7-20240221-en
4 signatures
150 seconds
Behavioral task
behavioral2
Sample
f2670076dd5cfe6c9de5b09cf8a7e1086337de8eaad881761b7681003e7acd99.dll
Resource
win10v2004-20240412-en
4 signatures
150 seconds
General
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Target
f2670076dd5cfe6c9de5b09cf8a7e1086337de8eaad881761b7681003e7acd99.dll
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Size
8KB
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MD5
b32f4f9499c9b09bf121beaa41b4159d
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SHA1
6d5da9bb743c06f407b89fc19220fb26ae7a7d8e
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SHA256
f2670076dd5cfe6c9de5b09cf8a7e1086337de8eaad881761b7681003e7acd99
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SHA512
76cabe12e0b25605556e3463d4ed9e7d731d1921dfa95aa3a14501db89654e129b7424de010af50a6903eae3c9641a6ab075c8bebabb4837affe18e98759522f
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SSDEEP
192:ph4SFyvWohE5xf6YUBSL63SUJqtMblWN:pO+ohE2B13NJqtM
Score
9/10
Malware Config
Signatures
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UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule behavioral1/memory/1516-2-0x0000000010000000-0x000000001000D000-memory.dmp UPX -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\ctfmen = "C:\\Windows\\system32\\ctfmen.exe" rundll32.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\satornas.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\satornas.dll rundll32.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2896 wrote to memory of 1516 2896 rundll32.exe 28 PID 2896 wrote to memory of 1516 2896 rundll32.exe 28 PID 2896 wrote to memory of 1516 2896 rundll32.exe 28 PID 2896 wrote to memory of 1516 2896 rundll32.exe 28 PID 2896 wrote to memory of 1516 2896 rundll32.exe 28 PID 2896 wrote to memory of 1516 2896 rundll32.exe 28 PID 2896 wrote to memory of 1516 2896 rundll32.exe 28
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f2670076dd5cfe6c9de5b09cf8a7e1086337de8eaad881761b7681003e7acd99.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f2670076dd5cfe6c9de5b09cf8a7e1086337de8eaad881761b7681003e7acd99.dll,#12⤵
- Adds Run key to start application
- Drops file in System32 directory
PID:1516
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