Analysis
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max time kernel
138s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20231023-en -
resource tags
arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system -
submitted
02/11/2023, 20:05
Static task
static1
Behavioral task
behavioral1
Sample
NEAS.4479e2caf4a96e1e2da0e1dfed60ddf0.exe
Resource
win7-20231025-en
Behavioral task
behavioral2
Sample
NEAS.4479e2caf4a96e1e2da0e1dfed60ddf0.exe
Resource
win10v2004-20231023-en
General
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Target
NEAS.4479e2caf4a96e1e2da0e1dfed60ddf0.exe
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Size
22KB
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MD5
4479e2caf4a96e1e2da0e1dfed60ddf0
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SHA1
d8f411018b6e7d3e4e7ec388dfbd8d20430e1698
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SHA256
15c04ecc7e8dca4eec5899e68dd4667d463827220078ca2379ffa5744a3e6427
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SHA512
bffcf36c9f0ae7b3dbecb3db6d84068b1af64452e07bb24beac29bca18c2233d4015c0fcc7ebe136cd0d69212710a880ee0c0c87043cadb3c36bfb625b295472
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SSDEEP
384:ErzPOx5BF6qwb7Em2ycuN8ik2cbOqxXAigRSEhHd73AvMaDthkpN2X47zD:Erz634qG7P2nNi8bqigR9HdWjhiNp
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 4548 rmass.exe -
resource yara_rule behavioral2/memory/4548-4-0x0000000000400000-0x0000000000411000-memory.dmp upx behavioral2/files/0x0008000000022d90-3.dat upx -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\rmass.exe NEAS.4479e2caf4a96e1e2da0e1dfed60ddf0.exe File created C:\Windows\SysWOW64\rmass.exe NEAS.4479e2caf4a96e1e2da0e1dfed60ddf0.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\NEAS.4479e2caf4a96e1e2da0e1dfed60ddf0.exe"C:\Users\Admin\AppData\Local\Temp\NEAS.4479e2caf4a96e1e2da0e1dfed60ddf0.exe"1⤵
- Drops file in System32 directory
PID:2972 -
C:\Windows\SysWOW64\rmass.exe"C:\Windows\SysWOW64\rmass.exe"2⤵
- Executes dropped EXE
PID:4548
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
19KB
MD5674de50e2fdc2b2b7e6b222164b95c1d
SHA1cf20d4d4df6a7f65d8114762cbbe741b2bee6914
SHA25661b508728f38a268ed2122b99d1e53061fb880d8084e59a73dada5fe1e0bc840
SHA512754246b5db57c3bc85511dc98ef1e2a6d2a6a1613505b3fcab16e54bc41ab826b0abc5ebfe546ac53089af76a60697a9c310bdf495e2b53897746c9215c21d76