Analysis
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max time kernel
124s -
max time network
128s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
19-09-2024 05:29
Static task
static1
Behavioral task
behavioral1
Sample
eaac857248c251e890a56ab8e0db6003_JaffaCakes118.dll
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
eaac857248c251e890a56ab8e0db6003_JaffaCakes118.dll
Resource
win10v2004-20240802-en
General
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Target
eaac857248c251e890a56ab8e0db6003_JaffaCakes118.dll
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Size
20KB
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MD5
eaac857248c251e890a56ab8e0db6003
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SHA1
57bb97a317ad242a4bd1a6e59f0b12aaaeb05901
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SHA256
980630f4d1c79b5c85741989451a6f00e6a589f52dd7a203107901b59d56aa85
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SHA512
8d922b1963837b4d84a03742c207080db7a4bb5ee610d9576def823789efbc775aa622ad2776c55ff25f4c75a3ef7722d9ca6b5e1fe7d7f270f1fa76a4eb2d55
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SSDEEP
192:z38WglKh5LmF0oIigjvBWAmAKudfA93+uS5K:zTL4STigjvqAKudfA9Ou1
Malware Config
Signatures
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32.exe -
Modifies registry class 45 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E594A003-DC5B-4896-8C83-E9683C44432F}\1e.0\FLAGS\ = "0" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\TypeLib\ = "{E594A003-DC5B-4896-8C83-E9683C44432F}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BE73E470-C50E-4455-B529-267C4207F024} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\TypeLib regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\TypeLib\ = "{E594A003-DC5B-4896-8C83-E9683C44432F}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\TypeLib\Version = "1e.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\VERSION regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\VERSION\ = "30.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WRACKBPC_engine.xMain regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\Implemented Categories\{40FC6ED5-2438-11CF-A3DB-080036F12502} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E594A003-DC5B-4896-8C83-E9683C44432F}\1e.0\FLAGS regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E594A003-DC5B-4896-8C83-E9683C44432F}\1e.0\HELPDIR\ = "C:\\Users\\Admin\\AppData\\Local\\Temp" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\ = "_xMain" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\ProgID regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\TypeLib regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E594A003-DC5B-4896-8C83-E9683C44432F}\1e.0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\ = "WRACKBPC_engine.xMain" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\InprocServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WRACKBPC_engine.xMain\Clsid regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\ = "xMain" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\ProxyStubClsid regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E594A003-DC5B-4896-8C83-E9683C44432F}\1e.0\0\win32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\TypeLib\Version = "1e.0" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\InprocServer32\ThreadingModel = "Apartment" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\TypeLib\ = "{E594A003-DC5B-4896-8C83-E9683C44432F}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WRACKBPC_engine.xMain\ = "WRACKBPC_engine.xMain" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\ProxyStubClsid\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E594A003-DC5B-4896-8C83-E9683C44432F} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\Interface\{BE73E470-C50E-4455-B529-267C4207F024} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\ProxyStubClsid32\ = "{00020424-0000-0000-C000-000000000046}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\Programmable regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E594A003-DC5B-4896-8C83-E9683C44432F}\1e.0\ = "WRACKBPC_engine" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E594A003-DC5B-4896-8C83-E9683C44432F}\1e.0\0\win32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eaac857248c251e890a56ab8e0db6003_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Interface\{BE73E470-C50E-4455-B529-267C4207F024}\ = "_xMain" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\InprocServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\eaac857248c251e890a56ab8e0db6003_JaffaCakes118.dll" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WRACKBPC_engine.xMain\Clsid\ = "{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E594A003-DC5B-4896-8C83-E9683C44432F}\1e.0\0 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\TypeLib\{E594A003-DC5B-4896-8C83-E9683C44432F}\1e.0\HELPDIR regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\ProgID\ = "WRACKBPC_engine.xMain" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8E1A0AD0-32D0-47C3-B536-0771FCEAA7C1}\Implemented Categories regsvr32.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 4568 wrote to memory of 1204 4568 regsvr32.exe 89 PID 4568 wrote to memory of 1204 4568 regsvr32.exe 89 PID 4568 wrote to memory of 1204 4568 regsvr32.exe 89
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\eaac857248c251e890a56ab8e0db6003_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\eaac857248c251e890a56ab8e0db6003_JaffaCakes118.dll2⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
PID:1204
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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 --field-trial-handle=4056,i,9445584274764997943,12714240264001792460,262144 --variations-seed-version --mojo-platform-channel-handle=4108 /prefetch:81⤵PID:4480