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Analysis
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max time kernel
150s -
max time network
147s -
platform
windows7_x64 -
resource
win7-20240611-en -
resource tags
arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system -
submitted
01/07/2024, 18:43
Static task
static1
Behavioral task
behavioral1
Sample
1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe
Resource
win10v2004-20240611-en
General
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Target
1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe
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Size
697KB
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MD5
1c186f01de5b2c94942e630f4f777d18
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SHA1
2ed4384640595888c23d90859180d95a64b1f504
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SHA256
d3d07d5f9818f7531fa667fefeae8627bb5141c538973624d6c4e403387191b1
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SHA512
bc41502b306a20eb99a14a4511a71b37dd25a0e7f43588a80979cc85e2702f558da28213a77585dac3e8005ca215ddc6625b4f2148f6998dcbc57766d5ffc616
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SSDEEP
12288:iPPMnQwGCh8TBgsy3h8VJO5hWzRzONjx5dFacPes8FFi3PpXG1/licdVhANT7yk6:EtwNaBg3IOxNjLdF+UG1/lDdVhkCkMPD
Malware Config
Signatures
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Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
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Executes dropped EXE 2 IoCs
pid Process 2620 wlanmsm32.exe 2768 EhStorShell32.exe -
Loads dropped DLL 5 IoCs
pid Process 2200 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe 2620 wlanmsm32.exe 2620 wlanmsm32.exe 2620 wlanmsm32.exe 2768 EhStorShell32.exe -
Installs/modifies Browser Helper Object 2 TTPs 2 IoCs
BHOs are DLL modules which act as plugins for Internet Explorer.
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{118641E9-425B-46E2-8AF8-8E6091431AB2} 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe -
Drops file in System32 directory 10 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\dbcf6f901406P.manifest wlanmsm32.exe File opened for modification C:\Windows\SysWOW64\dbcf6f901406S.manifest wlanmsm32.exe File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat wlanmsm32.exe File created C:\Windows\SysWOW64\wlanmsm32.exe 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\560036071 wlanmsm32.exe File opened for modification C:\Windows\SysWOW64\wlanmsm32.exe 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\dbcf6f901406C.manifest wlanmsm32.exe File opened for modification C:\Windows\SysWOW64\dbcf6f901406O.manifest wlanmsm32.exe File created C:\Windows\SysWOW64\api-ms-win-core-localization-l1-2-032.dll 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\560036071 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe -
description ioc Process Set value (data) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000\Software\Microsoft\Internet Explorer\Main\XMLHTTP_UUID_Default = e94186115b42e2468af88e6091431ab2 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe -
Modifies data under HKEY_USERS 47 IoCs
description ioc Process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5EDDF476-43FB-43FA-9D71-9C1361D02203}\WpadDecision = "0" wlanmsm32.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-66-71-aa-0a-5d\WpadDecisionReason = "1" wlanmsm32.exe Key created \REGISTRY\USER\S-1-5-19\Software\Xqeezjwhmk\CLSID 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-20\Software 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (data) \REGISTRY\USER\S-1-5-20\Software\Microsoft\Internet Explorer\Main\XMLHTTP_UUID_Default = e94186115b42e2468af88e6091431ab2 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5EDDF476-43FB-43FA-9D71-9C1361D02203}\WpadDecisionTime = c04f6f92e6cbda01 wlanmsm32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad wlanmsm32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5EDDF476-43FB-43FA-9D71-9C1361D02203}\WpadNetworkName = "Network 3" wlanmsm32.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" wlanmsm32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Xqeezjwhmk\CLSID 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Xqeezjwhmk 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-19\Software\Xqeezjwhmk\CLSID\ = "{5e8349eb-203a-48bd-858a-80a5b3343add}" 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (data) \REGISTRY\USER\S-1-5-19\Software\Microsoft\Internet Explorer\Main\XMLHTTP_UUID_Default = e94186115b42e2468af88e6091431ab2 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ wlanmsm32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-66-71-aa-0a-5d wlanmsm32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-66-71-aa-0a-5d\WpadDecisionTime = c04f6f92e6cbda01 wlanmsm32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" wlanmsm32.exe Key created \REGISTRY\USER\.DEFAULT 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-20\Software\Xqeezjwhmk 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 wlanmsm32.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings wlanmsm32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-66-71-aa-0a-5d\WpadDetectedUrl wlanmsm32.exe Key created \REGISTRY\USER\.DEFAULT\Software 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" wlanmsm32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" wlanmsm32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000004000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 wlanmsm32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5EDDF476-43FB-43FA-9D71-9C1361D02203}\6e-66-71-aa-0a-5d wlanmsm32.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-66-71-aa-0a-5d\WpadDecision = "0" wlanmsm32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix wlanmsm32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Xqeezjwhmk\CLSID\ = "{5e8349eb-203a-48bd-858a-80a5b3343add}" 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-19\Software\Xqeezjwhmk 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-20 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" wlanmsm32.exe Key created \REGISTRY\USER\S-1-5-19 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-20\Software\Xqeezjwhmk\CLSID 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections wlanmsm32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\6e-66-71-aa-0a-5d\WpadDecisionTime = 80acaadfe6cbda01 wlanmsm32.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\dbcf6f90 = " " wlanmsm32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5EDDF476-43FB-43FA-9D71-9C1361D02203} wlanmsm32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5EDDF476-43FB-43FA-9D71-9C1361D02203}\WpadDecisionTime = 80acaadfe6cbda01 wlanmsm32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 wlanmsm32.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00c8000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 wlanmsm32.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{5EDDF476-43FB-43FA-9D71-9C1361D02203}\WpadDecisionReason = "1" wlanmsm32.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Xqeezjwhmk\CLSID 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-19\Software 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-20\Software\Xqeezjwhmk\CLSID\ = "{5e8349eb-203a-48bd-858a-80a5b3343add}" 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings wlanmsm32.exe -
Modifies registry class 16 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5e8349eb-203a-48bd-858a-80a5b3343add} 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Software\Xqeezjwhmk\CLSID 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.fsharproj\PersistentHandler 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\.fsharproj\PersistentHandler\ = "{86db11b7-4cf0-4b39-a494-16aeb5441956}" 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Xqeezjwhmk\CLSID 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Software\Xqeezjwhmk\CLSID\ = "{5e8349eb-203a-48bd-858a-80a5b3343add}" 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{118641E9-425B-46E2-8AF8-8E6091431AB2} 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{118641E9-425B-46E2-8AF8-8E6091431AB2}\InprocServer32 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{118641E9-425B-46E2-8AF8-8E6091431AB2}\InprocServer32\ = "C:\\Windows\\SysWow64\\api-ms-win-core-localization-l1-2-032.dll" 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Xqeezjwhmk 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Xqeezjwhmk\CLSID\ = "{5e8349eb-203a-48bd-858a-80a5b3343add}" 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_Classes\Software\Xqeezjwhmk\CLSID 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Software 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\USER\S-1-5-21-39690363-730359138-1046745555-1000_CLASSES\Software\Xqeezjwhmk 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\.fsharproj 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{118641E9-425B-46E2-8AF8-8E6091431AB2}\InprocServer32\ThreadingModel = "Both" 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
pid Process 2200 1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2620 wrote to memory of 2768 2620 wlanmsm32.exe 29 PID 2620 wrote to memory of 2768 2620 wlanmsm32.exe 29 PID 2620 wrote to memory of 2768 2620 wlanmsm32.exe 29 PID 2620 wrote to memory of 2768 2620 wlanmsm32.exe 29
Processes
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C:\Users\Admin\AppData\Local\Temp\1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1c186f01de5b2c94942e630f4f777d18_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Installs/modifies Browser Helper Object
- Drops file in System32 directory
- Modifies Internet Explorer settings
- Modifies data under HKEY_USERS
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2200
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C:\Windows\SysWOW64\wlanmsm32.exeC:\Windows\SysWOW64\wlanmsm32.exe1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:2620 -
C:\ProgramData\EhStorShell32.exeschutz2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2768
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
31B
MD5f1de3eab3cbd2a578f8825f7a4c7b1b6
SHA1d8b5bf882e8afdec0dcee008478f91e0bafed717
SHA2562bdea09240a74b197ae6257ddb8215247519b0b7b85d95227034fc93086bacc3
SHA51212148dd0bf1be49fb91dcb4998e4b9f7eb91d0a7c25693856db741d7ae8561a1652e697af5394b8dceedc78e326ccebabe758b7adf9d618b84c18f14dc509866
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Filesize
119B
MD5daca5f70020bf70c7828d6504840fdc2
SHA1f3887e67952f804c5d65fb3cc2ee53c320d72f8f
SHA25607fc0ee6cf5782435ca42faafe37acd44d4a02d89f3bda290f7c6f9d4cd7ae44
SHA5125d323569ede1b260a51577fcda27bfb5b542d9213d3eaf5459dfc5036eadd61d0aef770b003ec3a6e49b9ae26ab1c4b70f503341927af19a910f89ec476aa4cb
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Filesize
697KB
MD51c186f01de5b2c94942e630f4f777d18
SHA12ed4384640595888c23d90859180d95a64b1f504
SHA256d3d07d5f9818f7531fa667fefeae8627bb5141c538973624d6c4e403387191b1
SHA512bc41502b306a20eb99a14a4511a71b37dd25a0e7f43588a80979cc85e2702f558da28213a77585dac3e8005ca215ddc6625b4f2148f6998dcbc57766d5ffc616
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Filesize
153KB
MD53494d0beafff6f1672b16a01a0873826
SHA15077257165269518bc76e614f0e9e7d7588036b8
SHA256107830b02b99f72f28abef77d7217204814af8899e41c083b342d04fdf71b8f2
SHA512fb29634f8133714359c4d90069d3fc309dcecd96fd0641955a443c1a723470ff5277f069cf380dff79d6ddd1357525bed6593ce7d9f78a011624eb59decfb5ef
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Filesize
324KB
MD57c3222a9593ca198d3ac9e2f36c6928d
SHA12ce6d6b839f9d24ea564aa1cfdb74f9ba9ce13a6
SHA25693c35bb94e3c87c54d04089fb4f392234bf12ad249a9ca4eb20743b8e47b2ab3
SHA5122edd96c261179ba971f3a395d969cc11dc3ea92803c8443f936fc6ec08e338a39134808f1133fa4f59b45120c1cf6a4ebd839715f41159225a6d5be823805e64