Analysis
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max time kernel
147s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
14-03-2024 06:42
Behavioral task
behavioral1
Sample
c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe
Resource
win7-20240221-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe
Resource
win10v2004-20240226-en
windows10-2004-x64
5 signatures
150 seconds
General
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Target
c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe
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Size
711KB
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MD5
c7f2c28a5bcffb9d4ddcb0b0084a66bb
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SHA1
eb47ed49b8f3922d694283dc0854f4f53e291fe1
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SHA256
544f2380e2d8c03f765bca1bc2e42a23fb884e433246154a6a48c8ea9ad73c00
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SHA512
5a1215054a8a54ede75971a728926c16616b7fdca62b0223a8f250cb701359bb752d68e152471d930957f98de4493e4835a217d7b74b3f56557566a6747dee0a
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SSDEEP
12288:yoxejOONAM7GUC1Jr+4o628gx2Jw+tP3Jzm8JOiHXC3X+pd167QhEQO:hxY3NtGUmJr+4Obxd+tPZSZCiE6EhE
Score
10/10
Malware Config
Signatures
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resource yara_rule behavioral2/memory/5020-5-0x0000000000400000-0x00000000004BD000-memory.dmp fakeav -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\CSRLT.EXE = "C:\\Windows\\system32\\CSRLT.EXE" c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\RunOnce\MSBLT.EXE = "C:\\Windows\\MSBLT.EXE" c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\CSRLT.EXE c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe File opened for modification C:\Windows\SysWOW64\CSRLT.EXE c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\MSBLT.EXE c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe File opened for modification C:\Windows\MSBLT.EXE c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe"C:\Users\Admin\AppData\Local\Temp\c7f2c28a5bcffb9d4ddcb0b0084a66bb.exe"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- Drops file in Windows directory
PID:5020
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4340 --field-trial-handle=2252,i,16022092570067181109,3235558581947505669,262144 --variations-seed-version /prefetch:81⤵PID:4348