Analysis
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max time kernel
141s -
max time network
126s -
platform
windows10-1703_x64 -
resource
win10-20231129-en -
resource tags
arch:x64arch:x86image:win10-20231129-enlocale:en-usos:windows10-1703-x64system -
submitted
11/12/2023, 13:03
Static task
static1
Behavioral task
behavioral1
Sample
32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe
Resource
win10-20231129-en
General
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Target
32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe
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Size
6.9MB
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MD5
89e6892460592968fa3a4c37a6ec19c7
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SHA1
b7af4691e4ca6cc63f14e1fdffd86a6c15f978bc
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SHA256
32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331
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SHA512
9caae2741a15467cc0b69807393d800ea912f9dc7090e12301cc3e4fad4318e271766357cf9c6995bd815463891f0fe2032f78d56dbba8b5093385db8e226f82
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SSDEEP
196608:2W0fKLtr95HARqIrmVY8S50UL8Kj8yTwHvWY3Nzj:2tO/hAPmVNyEWeNzj
Malware Config
Signatures
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Executes dropped EXE 3 IoCs
pid Process 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 2968 wmaconvert.exe 3040 wmaconvert.exe -
Loads dropped DLL 3 IoCs
pid Process 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp -
Unexpected DNS network traffic destination 1 IoCs
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
description ioc Destination IP 81.31.197.38 -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in Program Files directory 63 IoCs
description ioc Process File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-3VO02.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\plugins\internal\is-9F4A2.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File opened for modification C:\Program Files (x86)\ConvertWMA\wmaconvert.exe 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\stuff\is-TRR0Q.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-4CNNK.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-46VJF.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-4RGCC.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-RQUV4.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-VL1E7.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-PUBM0.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\lessmsi\is-FP097.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-SSA7G.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-3K5S1.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-FQN5Q.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\is-9SBG5.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-I3M9N.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-93VH0.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-13PJ0.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-VI7G6.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-VCSH9.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-9LLAD.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\uninstall\unins000.dat 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\stuff\is-EN8G6.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-BH5TS.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-DL5MT.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File opened for modification C:\Program Files (x86)\ConvertWMA\uninstall\unins000.dat 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-ODBTE.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-QJSF6.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-FPHJQ.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-N8MOK.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-0NJ2U.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\uninstall\is-OER8V.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-02BEJ.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-F8TST.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-VRPU5.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-77VDB.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-R63DQ.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-4V9IG.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\plugins\internal\is-BCM5F.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\stuff\is-H18JM.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-GKB03.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-F3BBR.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-OPSJ8.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-DUNP6.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-2SDBQ.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-6N734.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-O83B7.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-4CANP.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-LFB3O.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-C37I0.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-CS59G.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-CLDDM.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\stuff\is-R4TMD.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-GP00M.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-KOJSA.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-J4038.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-BGFM0.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-N142B.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-UN8PB.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-634BE.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-I8OHC.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-DVU3Q.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp File created C:\Program Files (x86)\ConvertWMA\bin\x86\is-1LVKU.tmp 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp -
Runs net.exe
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Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 3692 wrote to memory of 3440 3692 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe 18 PID 3692 wrote to memory of 3440 3692 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe 18 PID 3692 wrote to memory of 3440 3692 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe 18 PID 3440 wrote to memory of 3984 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 51 PID 3440 wrote to memory of 3984 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 51 PID 3440 wrote to memory of 3984 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 51 PID 3440 wrote to memory of 2968 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 50 PID 3440 wrote to memory of 2968 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 50 PID 3440 wrote to memory of 2968 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 50 PID 3440 wrote to memory of 1172 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 48 PID 3440 wrote to memory of 1172 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 48 PID 3440 wrote to memory of 1172 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 48 PID 3440 wrote to memory of 3040 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 47 PID 3440 wrote to memory of 3040 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 47 PID 3440 wrote to memory of 3040 3440 32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp 47 PID 1172 wrote to memory of 2520 1172 net.exe 49 PID 1172 wrote to memory of 2520 1172 net.exe 49 PID 1172 wrote to memory of 2520 1172 net.exe 49
Processes
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C:\Users\Admin\AppData\Local\Temp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe"C:\Users\Admin\AppData\Local\Temp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:3692 -
C:\Users\Admin\AppData\Local\Temp\is-8K2M2.tmp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp"C:\Users\Admin\AppData\Local\Temp\is-8K2M2.tmp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp" /SL5="$5022A,6973457,68096,C:\Users\Admin\AppData\Local\Temp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.exe"2⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:3440 -
C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -s3⤵
- Executes dropped EXE
PID:3040
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C:\Windows\SysWOW64\net.exe"C:\Windows\system32\net.exe" helpmsg 113⤵
- Suspicious use of WriteProcessMemory
PID:1172 -
C:\Windows\SysWOW64\net1.exeC:\Windows\system32\net1 helpmsg 114⤵PID:2520
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C:\Program Files (x86)\ConvertWMA\wmaconvert.exe"C:\Program Files (x86)\ConvertWMA\wmaconvert.exe" -i3⤵
- Executes dropped EXE
PID:2968
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C:\Windows\SysWOW64\schtasks.exe"C:\Windows\system32\schtasks.exe" /Query3⤵PID:3984
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
215KB
MD511da3b7ee6fb74c0a5161dc107d031ed
SHA1223f43c32840cab6a3aff5a5fe1ff353e4d88c8c
SHA2560b7d48e7b837878bd92c1917b0ddf8048c522fbd9773e9db3f1963c9f56300eb
SHA512b247719fbbffb5f5ed8d3bdb416fefc408291d3359b41590f0f2c7274cae4e75a8c98f9f40cbdc33828427b16a73277adf972965817b4c047e9458dc10f7d39e
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Filesize
194KB
MD534970b3dbc24fa1bc62ed823a3381c7f
SHA1e2d569b37f6afb37475898f7e3148eade64402f0
SHA2568cf7c4d8712e60c60ea2982319cde24a419eb8c83881ef85a34aab1a109ff042
SHA512b2c02bbc5c1182152d5b72c18fd26cc5416c563eb7a738e13ef929adee880d98198094c7d6f52dce0b0e13b7a454b8a7991b0acc0e15dca06a4095097c9817bf
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Filesize
87KB
MD5e72f8609433a7acdb487ae94f3c6b947
SHA1eefc7a3b5388d712942d28e541557d75b1343e93
SHA256ed9a011d5e269de3e4511faf52bde07551b79393e982bdd9aa6c4ec35f400bcc
SHA512f8f93ee83ea5771c1ca259dcdbaaddddfddf6700f1e1b7c0391cb37519f041e7e54f392d50de853a6dd62297663fbac7c0990b586e4b78add017a957e805a47d
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C:\Users\Admin\AppData\Local\Temp\is-8K2M2.tmp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp
Filesize577KB
MD5956aef64dd5f431cf533b97be7fbcafc
SHA1de8bfd7047eda18ea1388fb7c18a2647d7e9d44f
SHA256558449fda256efefc083456215e73df0e1fe179bd81da0875e6f254cdec24b0e
SHA512f245a90d19a65a8db43b72d5d5b57e4f9a4bf70eab0e5ccbadbbed1ac71009731a0409af21e312237256c4f9b29282c5d1ef99cf02db576a9e059bbd81bae419
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C:\Users\Admin\AppData\Local\Temp\is-8K2M2.tmp\32cf702108bf1fc6dde600043671f598fe5df93998016eb6281af89fdf89a331.tmp
Filesize419KB
MD5135d3482e8e272038df867e482c3f1f5
SHA1edc5e86179f0d07bf7fe0185504d397de6386202
SHA256aa40e9b003393c666870b978795aa06602f5e8b81e13f669792c31b9228d9d0e
SHA512ce7c09113079f968d71818ae16643499c0330173fc2cf50e7d3a29ead89a6ae35a3631d2ef30acd73e1577361880d14feb0c88ef3486a7457c85fe2e14405d7f
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Filesize
2KB
MD5a69559718ab506675e907fe49deb71e9
SHA1bc8f404ffdb1960b50c12ff9413c893b56f2e36f
SHA2562f6294f9aa09f59a574b5dcd33be54e16b39377984f3d5658cda44950fa0f8fc
SHA512e52e0aa7fe3f79e36330c455d944653d449ba05b2f9abee0914a0910c3452cfa679a40441f9ac696b3ccf9445cbb85095747e86153402fc362bb30ac08249a63
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Filesize
19KB
MD53adaa386b671c2df3bae5b39dc093008
SHA1067cf95fbdb922d81db58432c46930f86d23dded
SHA25671cd2f5bc6e13b8349a7c98697c6d2e3fcdeea92699cedd591875bea869fae38
SHA512bbe4187758d1a69f75a8cca6b3184e0c20cf8701b16531b55ed4987497934b3c9ef66ecd5e6b83c7357f69734f1c8301b9f82f0a024bb693b732a2d5760fd303