Analysis
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max time kernel
46s -
max time network
51s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
28/11/2022, 02:53
Static task
static1
Behavioral task
behavioral1
Sample
花锦CF稳定无异常多功能Bt辅助Sp14/新云软件.url
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
花锦CF稳定无异常多功能Bt辅助Sp14/新云软件.url
Resource
win10v2004-20220812-en
Behavioral task
behavioral3
Sample
CFȶ쳣BtSp14/CF쳣32λ��.exe
Resource
win7-20220901-en
Behavioral task
behavioral4
Sample
CFȶ쳣BtSp14/CF쳣32λ��.exe
Resource
win10v2004-20220812-en
Behavioral task
behavioral5
Sample
CFȶ쳣BtSp14/CF쳣64λ��.exe
Resource
win7-20220812-en
Behavioral task
behavioral6
Sample
CFȶ쳣BtSp14/CF쳣64λ��.exe
Resource
win10v2004-20221111-en
General
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Target
CFȶ쳣BtSp14/CF쳣32λ��.exe
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Size
876KB
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MD5
6cbc49888f269e2550be25b0004f928e
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SHA1
4b2c754e35dc48a521c75836a078b9980fc6d912
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SHA256
0e3f2e99c002a1715f1e5c0ea33d52a208fe163c956ad9ee6acb1fb6db5e7aa6
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SHA512
29efb03dfa94f9d75dd411c9186c2cc0510317b6de7e67362e66617772cd22118256126e0adfc18b81a6b212ee22483eb88941cb49b9623d19e3ec2f049fb6a6
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SSDEEP
12288:DW0po/CNasWgk1teIP92VescyGqLChiJYFjQegUFNQ1R5nWFpPoSp5X5jeIQWt:DW0poaNgtlP92Ve8JY+U0YbHbjlQWt
Malware Config
Signatures
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resource yara_rule behavioral3/memory/1308-55-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-57-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-56-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-59-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-63-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-61-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-67-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-65-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-73-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-71-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-69-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-77-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-75-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-89-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-87-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-85-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-83-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-91-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-93-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-81-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-79-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-97-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-95-0x0000000010000000-0x000000001003E000-memory.dmp upx behavioral3/memory/1308-98-0x0000000010000000-0x000000001003E000-memory.dmp upx -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\PastavfST.sys CF쳣32λ��.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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description ioc Process Key created \REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Internet Explorer\Main CF쳣32λ��.exe -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe -
Suspicious behavior: LoadsDriver 2 IoCs
pid Process 460 Process not Found 460 Process not Found -
Suspicious use of SetWindowsHookEx 5 IoCs
pid Process 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe 1308 CF쳣32λ��.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\CFȶ쳣BtSp14\CF쳣32λ��.exe"C:\Users\Admin\AppData\Local\Temp\CFȶ쳣BtSp14\CF쳣32λ��.exe"1⤵
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1308