Analysis
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max time kernel
121s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
03/10/2024, 17:24
Static task
static1
Behavioral task
behavioral1
Sample
0fd6a8d4cb920ac3d9b04d091d019a67_JaffaCakes118.dll
Resource
win7-20240708-en
General
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Target
0fd6a8d4cb920ac3d9b04d091d019a67_JaffaCakes118.dll
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Size
171KB
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MD5
0fd6a8d4cb920ac3d9b04d091d019a67
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SHA1
4bbe7eff462175bfebec499472c5661f6ab5be2f
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SHA256
f1a2cb1cdc24f66c9331d273829248a20d6d25e4302618e7d28acc90e9d8d294
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SHA512
7d77674b357b0ef49b66e2fa23e1e6f23f1c0fbaa3cda7249824c34192da9d97f69f093a324de17e27d9e1168f26cad2564957ebbeeba133142c5651ab8e0ee3
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SSDEEP
3072:0zNCVUIFQ3FFg14TFeKzqVuOofufz6lX46Ok8gWNh93mfH7isALtGWT8BD:fFQ3FFUk5z1O+X46OkfWsHlAL4tBD
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 1864 regsvr32mgr.exe -
Loads dropped DLL 4 IoCs
pid Process 2368 regsvr32.exe 2368 regsvr32.exe 1864 regsvr32mgr.exe 1864 regsvr32mgr.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\regsvr32mgr.exe regsvr32.exe -
resource yara_rule behavioral1/memory/1864-10-0x0000000000400000-0x0000000000451000-memory.dmp upx behavioral1/memory/1864-16-0x0000000000400000-0x0000000000451000-memory.dmp upx -
Program crash 1 IoCs
pid pid_target Process procid_target 1988 1864 WerFault.exe 31 -
System Location Discovery: System Language Discovery 1 TTPs 2 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regsvr32mgr.exe -
Modifies registry class 64 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}\NumMethods\ = "20" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{27E7234F-429F-4787-AC8F-8AADDED01355}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2CED2F89-627B-4E5D-840F-B126EE858CD8}\ProxyStubClsid32\ = "{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AFB6489F-4515-44AA-8DF7-ED28EA46283C} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AFB6489F-4515-44AA-8DF7-ED28EA46283C}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}\InProcServer32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F932C038-6484-45CA-8FA1-7C8C279F7AEE}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{27E7234F-429F-4787-AC8F-8AADDED01355}\ = "ICUIExternal2" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}\ProxyStubClsid32\ = "{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4C4B98D-F59E-4A0C-AEE9-801E0CDB671E}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4C4B98D-F59E-4A0C-AEE9-801E0CDB671E}\NumMethods\ = "4" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AFB6489F-4515-44AA-8DF7-ED28EA46283C}\ProxyStubClsid32\ = "{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3473E05A-3317-4DF5-9098-E5387C94D1B0}\NumMethods\ = "7" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A05C525D-B4CB-4108-BFF7-1ACF1A14F00A}\ = "ICUIExternal5" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}\ = "PSFactoryBuffer" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2CED2F89-627B-4E5D-840F-B126EE858CD8}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F932C038-6484-45CA-8FA1-7C8C279F7AEE}\ProxyStubClsid32\ = "{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F932C038-6484-45CA-8FA1-7C8C279F7AEE}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A05C525D-B4CB-4108-BFF7-1ACF1A14F00A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2CED2F89-627B-4E5D-840F-B126EE858CD8} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2CED2F89-627B-4E5D-840F-B126EE858CD8}\NumMethods\ = "39" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F932C038-6484-45CA-8FA1-7C8C279F7AEE}\NumMethods\ = "45" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{27E7234F-429F-4787-AC8F-8AADDED01355}\NumMethods\ = "11" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70F8C65F-06AA-443B-9E6B-7C73808F07E5}\ = "ICUIExternal3" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70F8C65F-06AA-443B-9E6B-7C73808F07E5}\NumMethods\ = "13" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F932C038-6484-45CA-8FA1-7C8C279F7AEE}\ = "ICUIExternal8" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3473E05A-3317-4DF5-9098-E5387C94D1B0}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A05C525D-B4CB-4108-BFF7-1ACF1A14F00A}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{86709F66-89C5-4B19-A83F-E4995E21599A}\NumMethods\ = "43" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2CED2F89-627B-4E5D-840F-B126EE858CD8}\ProxyStubClsid32 regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}\InProcServer32\ = "C:\\Users\\Admin\\AppData\\Local\\Temp\\0fd6a8d4cb920ac3d9b04d091d019a67_JaffaCakes118.dll" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{27E7234F-429F-4787-AC8F-8AADDED01355}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3473E05A-3317-4DF5-9098-E5387C94D1B0}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70F8C65F-06AA-443B-9E6B-7C73808F07E5} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70F8C65F-06AA-443B-9E6B-7C73808F07E5}\ProxyStubClsid32\ = "{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4C4B98D-F59E-4A0C-AEE9-801E0CDB671E} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A05C525D-B4CB-4108-BFF7-1ACF1A14F00A}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70F8C65F-06AA-443B-9E6B-7C73808F07E5}\NumMethods regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4C4B98D-F59E-4A0C-AEE9-801E0CDB671E}\ProxyStubClsid32\ = "{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4C4B98D-F59E-4A0C-AEE9-801E0CDB671E}\ = "ICUIExtClientNotify" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F4C4B98D-F59E-4A0C-AEE9-801E0CDB671E}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}\InProcServer32\ThreadingModel = "Both" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{86709F66-89C5-4B19-A83F-E4995E21599A} regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{27E7234F-429F-4787-AC8F-8AADDED01355} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{27E7234F-429F-4787-AC8F-8AADDED01355}\ProxyStubClsid32\ = "{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3473E05A-3317-4DF5-9098-E5387C94D1B0} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3473E05A-3317-4DF5-9098-E5387C94D1B0}\ProxyStubClsid32\ = "{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{86709F66-89C5-4B19-A83F-E4995E21599A}\ProxyStubClsid32\ = "{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{2CED2F89-627B-4E5D-840F-B126EE858CD8}\ = "ICUIExternal7" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AFB6489F-4515-44AA-8DF7-ED28EA46283C}\ = "ICUIExternal6" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{AFB6489F-4515-44AA-8DF7-ED28EA46283C}\NumMethods regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}\ProxyStubClsid32 regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{F932C038-6484-45CA-8FA1-7C8C279F7AEE} regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{86709F66-89C5-4B19-A83F-E4995E21599A}\ = "ICUIDownScale" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}\ = "ICUIExternal4" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{3473E05A-3317-4DF5-9098-E5387C94D1B0}\ = "ICUIExternalDual" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A05C525D-B4CB-4108-BFF7-1ACF1A14F00A}\ProxyStubClsid32\ = "{5DC5B31E-0C28-4679-B8D8-32CF2F9BACED}" regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{A05C525D-B4CB-4108-BFF7-1ACF1A14F00A}\NumMethods\ = "25" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\Interface\{70F8C65F-06AA-443B-9E6B-7C73808F07E5}\ProxyStubClsid32 regsvr32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 2524 wrote to memory of 2368 2524 regsvr32.exe 30 PID 2524 wrote to memory of 2368 2524 regsvr32.exe 30 PID 2524 wrote to memory of 2368 2524 regsvr32.exe 30 PID 2524 wrote to memory of 2368 2524 regsvr32.exe 30 PID 2524 wrote to memory of 2368 2524 regsvr32.exe 30 PID 2524 wrote to memory of 2368 2524 regsvr32.exe 30 PID 2524 wrote to memory of 2368 2524 regsvr32.exe 30 PID 2368 wrote to memory of 1864 2368 regsvr32.exe 31 PID 2368 wrote to memory of 1864 2368 regsvr32.exe 31 PID 2368 wrote to memory of 1864 2368 regsvr32.exe 31 PID 2368 wrote to memory of 1864 2368 regsvr32.exe 31
Processes
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C:\Windows\system32\regsvr32.exeregsvr32 /s C:\Users\Admin\AppData\Local\Temp\0fd6a8d4cb920ac3d9b04d091d019a67_JaffaCakes118.dll1⤵
- Suspicious use of WriteProcessMemory
PID:2524 -
C:\Windows\SysWOW64\regsvr32.exe/s C:\Users\Admin\AppData\Local\Temp\0fd6a8d4cb920ac3d9b04d091d019a67_JaffaCakes118.dll2⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2368 -
C:\Windows\SysWOW64\regsvr32mgr.exeC:\Windows\SysWOW64\regsvr32mgr.exe3⤵
- Executes dropped EXE
- Loads dropped DLL
- System Location Discovery: System Language Discovery
PID:1864 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1864 -s 1484⤵
- Program crash
PID:1988
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
144KB
MD5609c9eadac4c1cc48b5f89be6c36e276
SHA1f047b565fdb73d5b75ffaed7b2faa335e82b3514
SHA256e982967b3a8613149cd29d659a4b4aa6241ef8e4f124458785220e76e8b18325
SHA512246dab455d7b7661126e79bb9b1b2aee2fee26790b8fde0779d529cfceb295b9df2fb5aca2da1ab3d52f22b4157a46ea8b164e7aa02e842aca2cd27076d85fb5
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Filesize
1.2MB
MD5d124f55b9393c976963407dff51ffa79
SHA12c7bbedd79791bfb866898c85b504186db610b5d
SHA256ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
SHA512278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
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Filesize
1.1MB
MD59b98d47916ead4f69ef51b56b0c2323c
SHA1290a80b4ded0efc0fd00816f373fcea81a521330
SHA25696e0ae104c9662d0d20fdf59844c2d18334e5847b6c4fc7f8ce4b3b87f39887b
SHA51268b67021f228d8d71df4deb0b6388558b2f935a6aa466a12199cd37ada47ee588ea407b278d190d3a498b0ef3f5f1a2573a469b7ea5561ab2e7055c45565fe94