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Analysis
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max time kernel
7s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
20/11/2023, 10:24
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe
Resource
win7-20231020-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe
Resource
win10v2004-20231020-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe
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Size
7.0MB
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MD5
8ad67a1b7a5f2428c93f7a13a398e39c
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SHA1
d4f71fc5479a02c8ff57c90fc67b948adb5604e0
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SHA256
8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9
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SHA512
57475600b531b3b80936bf3015d5a38bba61cfac793cb4de9985d4e4b0afdc12f7f591ecdc8e9f9fd2dcb7b0e3d2fe851f33f80ba2888730774f73ac8ab34b5c
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SSDEEP
98304:UNmXStQHQu1OCUPExButIaUgF246UZ0R+xp2exp2U3KQ5KntG:2Bt2Qu1OAxW2kyRU913KQ
Score
9/10
Malware Config
Signatures
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Renames multiple (221) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Stops running service(s) 3 TTPs
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Drops startup file 1 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe -
Drops file in Program Files directory 64 IoCs
description ioc Process File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.cs-cz.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\ca.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\ext.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\lt.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\fr-FR\wab32res.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvApi.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\bg.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\el.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\sl.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\msdatl3.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\ja-JP\msaddsr.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\ado\msado25.tlb.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\msadcer.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\sqloledb.rll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVClient.man.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\en.ttt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\fr.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\gl.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\kaa.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\vi.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\7zFM.exe.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\es-ES\msdasqlr.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\es-ES\oledb32r.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.th-th.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-cn.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\de.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\fr-FR\sqlxmlx.rll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\en-US\msaddsr.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\wab32.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\msadco.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\msaddsr.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\tr.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\License.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\ado\fr-FR\msader15.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\es-ES\wab32res.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\msadce.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\fy.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\ja-JP\sqloledb.rll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\wab32res.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\ado\msado15.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msaddsr.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.da-dk.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pt-pt.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\msxactps.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\oledb32r.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\7zG.exe.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\ne.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\sqlxmlx.rll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVPolicy.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.sr-latn-rs.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\fa.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\sqloledb.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\ado\es-ES\msader15.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\fr-FR\msadcor.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\msadds.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\sk.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\it-IT\wab32res.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lv-lv.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\7-Zip\Lang\nn.txt.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\Ole DB\oledb32.dll.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe File created C:\Program Files\Common Files\System\msadc\es-ES\msaddsr.dll.mui.ghost 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe -
Launches sc.exe 1 IoCs
Sc.exe is a Windows utlilty to control services on the system.
pid Process 4000 sc.exe -
GoLang User-Agent 2 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 6 Go-http-client/1.1 HTTP User-Agent header 9 Go-http-client/1.1 -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 928 wrote to memory of 4000 928 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe 87 PID 928 wrote to memory of 4000 928 8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe 87
Processes
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C:\Users\Admin\AppData\Local\Temp\8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe"C:\Users\Admin\AppData\Local\Temp\8b758ccdfbfa5ff3a0b67b2063c2397531cf0f7b3d278298da76528f443779e9.exe"1⤵
- Drops startup file
- Drops file in Program Files directory
- Suspicious use of WriteProcessMemory
PID:928 -
C:\Windows\system32\sc.exesc stop C:/2⤵
- Launches sc.exe
PID:4000
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