Analysis
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max time kernel
141s -
max time network
125s -
platform
windows10-2004_x64 -
resource
win10v2004-20240412-en -
resource tags
arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system -
submitted
21-04-2024 12:56
Behavioral task
behavioral1
Sample
ff5388c886af1a23701f6d09c3116ca9_JaffaCakes118.dll
Resource
win7-20240221-en
windows7-x64
3 signatures
150 seconds
Behavioral task
behavioral2
Sample
ff5388c886af1a23701f6d09c3116ca9_JaffaCakes118.dll
Resource
win10v2004-20240412-en
windows10-2004-x64
3 signatures
150 seconds
General
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Target
ff5388c886af1a23701f6d09c3116ca9_JaffaCakes118.dll
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Size
275KB
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MD5
ff5388c886af1a23701f6d09c3116ca9
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SHA1
5c12ff123a3916b7c48ddf77118288201ac9d81b
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SHA256
6c158298448f86adfa5b960b9116b0c33c0202e955ea03fd76af6632fea75443
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SHA512
dd02c30ede1f6bd0344dfd1f2f1d7ee1c1e5a8aa458d22f324a2bca9f7e2b37b35db596e33e15762644822f9525aa3d6eafecb35e332e4df6e68be598c2268fd
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SSDEEP
6144:nSb+tipv9/tpjzkWk6QQLfPwwGAEl3mNBUFA9RJEUIbAjE:ny9BjzsmLffNGaKu
Score
7/10
Malware Config
Signatures
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resource yara_rule behavioral2/memory/652-0-0x0000000001F60000-0x0000000002016000-memory.dmp upx behavioral2/memory/652-1-0x0000000001F60000-0x0000000002016000-memory.dmp upx -
Modifies registry class 16 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0AFC9BEB-1D24-4810-ABCE-013DA0BE72B8}\ = "sponlink" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ff5388c886af1a23701f6d09c3116ca9_JaffaCakes118.sideup regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ff5388c886af1a23701f6d09c3116ca9_JaffaCakes118.sideup\ = "sponlink" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\ff5388c886af1a23701f6d09c3116ca9_JaffaCakes118.sideup\Clsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0AFC9BEB-1D24-4810-ABCE-013DA0BE72B8}\Implemented Categories\{00021493-0000-0000-C000-000000000046} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0AFC9BEB-1D24-4810-ABCE-013DA0BE72B8}\InprocServer32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0AFC9BEB-1D24-4810-ABCE-013DA0BE72B8}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\ff5388c886af1a23701f6d09c3116ca9_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0AFC9BEB-1D24-4810-ABCE-013DA0BE72B8}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0AFC9BEB-1D24-4810-ABCE-013DA0BE72B8}\Implemented Categories regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0AFC9BEB-1D24-4810-ABCE-013DA0BE72B8} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\ff5388c886af1a23701f6d09c3116ca9_JaffaCakes118.sideup\Clsid\ = "{0AFC9BEB-1D24-4810-ABCE-013DA0BE72B8}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0AFC9BEB-1D24-4810-ABCE-013DA0BE72B8}\ProgID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0AFC9BEB-1D24-4810-ABCE-013DA0BE72B8}\ProgID\ = "ff5388c886af1a23701f6d09c3116ca9_JaffaCakes118.sideup" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{0AFC9BEB-1D24-4810-ABCE-013DA0BE72B8}\InProcServer32 regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 1824 wrote to memory of 652 1824 regsvr32.exe 84 PID 1824 wrote to memory of 652 1824 regsvr32.exe 84 PID 1824 wrote to memory of 652 1824 regsvr32.exe 84
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\ff5388c886af1a23701f6d09c3116ca9_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:1824 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\ff5388c886af1a23701f6d09c3116ca9_JaffaCakes118.dll2⤵
- Modifies registry class
PID:652
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