Overview
overview
8Static
static
3severebeta.zip
windows10-2004-x64
1dependenci...h..bat
windows10-2004-x64
8dependenci...ll.bat
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7dependenci...64.exe
windows10-2004-x64
7dependenci...86.exe
windows10-2004-x64
7severe.exe
windows10-2004-x64
7General
-
Target
severebeta.zip
-
Size
166.6MB
-
Sample
240216-zc6tpsfh66
-
MD5
45728f1e21a95c7e794e14290c6bda48
-
SHA1
90b3d4e41783737fd459584c601bf3681f1f084c
-
SHA256
ffb7484dbd43f1a8de746604b64da32f8f408b8c76429cb8d36c0fe6c31d6438
-
SHA512
d9a90b353327f765edb65cee238aad439d51f6e8ec471392b4a6a7fb3fc9b0eadb5e3c9430836b1de0269d4bcab55eb3afd5ed264f14afe2b60e9f153b858dbb
-
SSDEEP
3145728:F6KsRJ/13ZSmNmDkpU0CJsNcxHx0IJNyBYkXLPqQHgX+jMirQ2RWyMx5e+Ag7QQ:wV0moD50YscNtwBYkXbqsgX+jMi/RWyi
Static task
static1
Behavioral task
behavioral1
Sample
severebeta.zip
Resource
win10v2004-20231215-en
Behavioral task
behavioral2
Sample
dependencies/2024-1-12/auth..bat
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
dependencies/install_all.bat
Resource
win10v2004-20231215-en
Behavioral task
behavioral4
Sample
dependencies/vcredist2005_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
dependencies/vcredist2005_x86.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral6
Sample
dependencies/vcredist2008_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral7
Sample
dependencies/vcredist2008_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral8
Sample
dependencies/vcredist2010_x64.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral9
Sample
dependencies/vcredist2010_x86.exe
Resource
win10v2004-20231222-en
Behavioral task
behavioral10
Sample
dependencies/vcredist2012_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral11
Sample
dependencies/vcredist2012_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral12
Sample
dependencies/vcredist2013_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral13
Sample
dependencies/vcredist2013_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral14
Sample
dependencies/vcredist2015_2017_2019_2022_x64.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral15
Sample
dependencies/vcredist2015_2017_2019_2022_x86.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral16
Sample
severe.exe
Resource
win10v2004-20231215-en
Malware Config
Targets
-
-
Target
severebeta.zip
-
Size
166.6MB
-
MD5
45728f1e21a95c7e794e14290c6bda48
-
SHA1
90b3d4e41783737fd459584c601bf3681f1f084c
-
SHA256
ffb7484dbd43f1a8de746604b64da32f8f408b8c76429cb8d36c0fe6c31d6438
-
SHA512
d9a90b353327f765edb65cee238aad439d51f6e8ec471392b4a6a7fb3fc9b0eadb5e3c9430836b1de0269d4bcab55eb3afd5ed264f14afe2b60e9f153b858dbb
-
SSDEEP
3145728:F6KsRJ/13ZSmNmDkpU0CJsNcxHx0IJNyBYkXLPqQHgX+jMirQ2RWyMx5e+Ag7QQ:wV0moD50YscNtwBYkXbqsgX+jMi/RWyi
Score1/10 -
-
-
Target
dependencies/2024-1-12/auth..bat
-
Size
6KB
-
MD5
8825cf897e698ebbdb8c707bb39d73ca
-
SHA1
dcece549ce6ed0b24ecc1faf80280c225bdcccae
-
SHA256
b332d0f81de5a8eced6109033f05192e2aa5ca3ed0a523367428813924a9a28d
-
SHA512
e3c63dda17128929108ff5492364b4d2df8126f2a8c17d7384ba9f7b0651aec72c11681dd7196f2eef7d693b9b3165b96fc05c98afc40fab9252ef2c7a26e3f9
-
SSDEEP
192:sYHAivgiRwe5f11ATNLCAtMT7/4+tGs1PP/uQz8tz1hNn:8i4iRwe5f11ATNLCAtMT7/4+tGs1PP/M
-
Blocklisted process makes network request
-
Legitimate hosting services abused for malware hosting/C2
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
-
-
Target
dependencies/install_all.bat
-
Size
1KB
-
MD5
1181cfea0692f5646210553284360554
-
SHA1
996b6be083a6ccd5a14861c965752d0576ed5a24
-
SHA256
ac1e6184909616e988ac48583649d254883a35a8715811e491988f4f84796d84
-
SHA512
e6abb56c800a9aea5e801e9abde54beaab7784a4ee43f624e4b3a4218d461c4b1359ed5c4fa2d89373d7f9d5a238ac1ac17f6a799554548d2223d90526b82c28
Score7/10-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Drops file in System32 directory
-
-
-
Target
dependencies/vcredist2005_x64.exe
-
Size
3.0MB
-
MD5
56eaf4e1237c974f6984edc93972c123
-
SHA1
ee916012783024dac67fc606457377932c826f05
-
SHA256
0551a61c85b718e1fa015b0c3e3f4c4eea0637055536c00e7969286b4fa663e0
-
SHA512
f8e15363e34db5b5445c41eea4dd80b2f682642cb8f1046f30ea4fb5f4f51b0b604f7bcb3000a35a7d3ba1d1bcc07df9b25e4533170c65640b2d137c19916736
-
SSDEEP
49152:+r67+stI6RWGTAdyvlADUrpTmcOgohwJpEM5grO3oc1OXZViFeRyDErkLUMHzkRN:AM9l8pUr9m30L5grOQXZKAsErkbQRN
Score7/10-
Loads dropped DLL
-
Adds Run key to start application
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
-
-
Target
dependencies/vcredist2005_x86.exe
-
Size
2.6MB
-
MD5
ce2922f83fb4b170affce0ea448b107b
-
SHA1
b8fab0bb7f62a24ddfe77b19cd9a1451abd7b847
-
SHA256
4ee4da0fe62d5fa1b5e80c6e6d88a4a2f8b3b140c35da51053d0d7b72a381d29
-
SHA512
e94b077e054bd8992374d359f3adc4d1d78d42118d878556715d77182f7d03635850b2b2f06c012ccb7c410e2b3c124cf6508473efe150d3c51a51857ce1c6b0
-
SSDEEP
49152:rqGRIgg2SirwkF9xdtb43lyGKCafpKkiwnaDahmPzpY4FPyaza:rxxLFfY/KCCpKk9aWMzZyau
Score7/10-
Loads dropped DLL
-
Adds Run key to start application
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
-
-
Target
dependencies/vcredist2008_x64.exe
-
Size
5.0MB
-
MD5
e2ada570911edaaae7d1b3c979345fce
-
SHA1
a7c83077b8a28d409e36316d2d7321fa0ccdb7e8
-
SHA256
b811f2c047a3e828517c234bd4aa4883e1ec591d88fad21289ae68a6915a6665
-
SHA512
b890d83d36f3681a690828d8926139b4f13f8d2fcd258581542cf2fb7dce5d7e7e477731c9545a54a476ed5c2aaac44ce12d2c3d9b99c2c1c04a5ab4ee20c4b8
-
SSDEEP
98304:98I8/pCVmdbx2rU/xFnTBU8UeNeagEXtIgvjyGFDdo85qyKYr5NM62dNKViClWPg:9Avx2rw5Th8XeNyGtW0DJr5uDdQdWPet
Score7/10-
Executes dropped EXE
-
Loads dropped DLL
-
-
-
Target
dependencies/vcredist2008_x86.exe
-
Size
4.3MB
-
MD5
35da2bf2befd998980a495b6f4f55e60
-
SHA1
470640aa4bb7db8e69196b5edb0010933569e98d
-
SHA256
6b3e4c51c6c0e5f68c8a72b497445af3dbf976394cbb62aa23569065c28deeb6
-
SHA512
bf630667c87b8f10ef85b61f2f379d7ce24124618b999babfec8e2df424eb494b8f1bf0977580810dff5124d4dbdec9539ff53e0dc14625c076fa34dfe44e3f2
-
SSDEEP
98304:vT4tlQ0aeY51XNURYxaA6qjEb9tRuPmBmWBDLTMTtbslyzRt9cuISY6Qa:vKlhE9U6476itR+mLPw6lyZY61
Score7/10-
Executes dropped EXE
-
Loads dropped DLL
-
-
-
Target
dependencies/vcredist2010_x64.exe
-
Size
9.8MB
-
MD5
c9d9eebccef20d637f193490cec05e79
-
SHA1
15d032d669078aa6f0f7fd1cbf4115a070bd034d
-
SHA256
cc7ec044218c72a9a15fca2363baed8fc51095ee3b2a7593476771f9eba3d223
-
SHA512
24b56b5d9b48d75baf53a98e007ace3e7d68fbd5fa55b75ae1a2c08dd466d20b13041f80e84fdb64b825f070843f9247daba681eff16baf99a4b14ea99f5cfd6
-
SSDEEP
196608:n9A3D5MBD0vwqMKgL29M2JWMWiKV/nPlnqIaAAVINqsAsbPnpCxmz7dU8:23D5MBwZMd0b4oSQ7VSrAs1gEdU8
Score7/10-
Executes dropped EXE
-
Loads dropped DLL
-
-
-
Target
dependencies/vcredist2010_x86.exe
-
Size
8.6MB
-
MD5
1801436936e64598bab5b87b37dc7f87
-
SHA1
28c54491be70c38c97849c3d8cfbfdd0d3c515cb
-
SHA256
67313b3d1bc86e83091e8de22981f14968f1a7fb12eb7ad467754c40cd94cc3d
-
SHA512
0b8f20b0f171f49eb49367f1aafa7101e1575ef055d7007197c21ab8fe8d75a966569444449858c31bd147357d2bf5a5bd623fe6c4dbabdc7d16999b3256ab8c
-
SSDEEP
196608:e9A3DAnfudQZKuNK0kMp2Wxw2tr3aA5Jegn9kaK6Hj0aaNz9ZBJ7C:t3DAnGKZKuNK0SvAn9kaK6gaaNRZbC
Score7/10-
Executes dropped EXE
-
Loads dropped DLL
-
-
-
Target
dependencies/vcredist2012_x64.exe
-
Size
6.9MB
-
MD5
3c03562b5af9ed347614053d459d7778
-
SHA1
1a5d93dddbc431ab27b1da711cd3370891542797
-
SHA256
681be3e5ba9fd3da02c09d7e565adfa078640ed66a0d58583efad2c1e3cc4064
-
SHA512
6c2f4eeb38705c2dafc4d75d8de0036a0aed197f83e9cb261d255fe26e4391f24b0b156e9019c739dd99057041c2bb80f9ab80f56869bc1e01f0469a76f24f75
-
SSDEEP
98304:vRWKtOl5CCGomEBkHUBmExJrIUg32t9RRyvo7VnOcyP24Vc35re94tb0eYbY1poo:v3tO3CCT/hBxtVtyUVnmSprzVIY7QKAk
Score7/10-
Loads dropped DLL
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
-
-
Target
dependencies/vcredist2012_x86.exe
-
Size
6.3MB
-
MD5
7f52a19ecaf7db3c163dd164be3e592e
-
SHA1
96b377a27ac5445328cbaae210fc4f0aaa750d3f
-
SHA256
b924ad8062eaf4e70437c8be50fa612162795ff0839479546ce907ffa8d6e386
-
SHA512
60220a7c9de72796bd0d6d44e2b82dbdd9c850cc611e505b7dc0213f745ff1f160b2d826eaf62fd6e07c1a31786a71d83dc6e94389690fd59b895e85aba7444b
-
SSDEEP
196608:OwKjLs+UIkzHlAv4X6zQRgiwHLD2LQIX/:9KjaxFFP1iLD2LnP
Score7/10-
Loads dropped DLL
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
-
-
Target
dependencies/vcredist2013_x64.exe
-
Size
6.9MB
-
MD5
49b1164f8e95ec6409ea83cdb352d8da
-
SHA1
1194e6bf4153fa88f20b2a70ac15bc359ada4ee2
-
SHA256
a4bba7701e355ae29c403431f871a537897c363e215cafe706615e270984f17c
-
SHA512
29b65e45ce5233f5ad480673752529026f59a760466a1026bb92fc78d1ccc82396ecb8f07b0e49c9b2315dbef976cb417273c77f4209475036775fe687dd2d60
-
SSDEEP
196608:bPwMcp4zKAKpCPhD5nsF5GBAiSG5VtJFeHi:0McAWKJsF5vib5VtTeC
Score7/10-
Loads dropped DLL
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
-
-
Target
dependencies/vcredist2013_x86.exe
-
Size
6.2MB
-
MD5
38a1b890ce847167d16567cf7b7a5642
-
SHA1
0f5d66bcaf120f2d3f340e448a268fe4bbf7709d
-
SHA256
53b605d1100ab0a88b867447bbf9274b5938125024ba01f5105a9e178a3dcdbd
-
SHA512
907a9aac75f4f241a85ecb94690f74f5818eea0b2241d9ef6d4bf171f17da0f4bc702e2bb90c04f194592fcc61df5c250508d16b886ed837a74b9f45da9627cd
-
SSDEEP
196608:hPMlUtWUVbuVAwgg1wGiU6QCs9FbEwEhMJ:oUUUNHg1wGd6QxbEwv
Score7/10-
Loads dropped DLL
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
-
-
Target
dependencies/vcredist2015_2017_2019_2022_x64.exe
-
Size
24.2MB
-
MD5
101b0b9f74cdc6cdbd2570bfe92e302c
-
SHA1
2e6bae42c2842b4f558bd68099479b929bb7d910
-
SHA256
4dfe83c91124cd542f4222fe2c396cabeac617bb6f59bdcbdf89fd6f0df0a32f
-
SHA512
ccf4fd7da2c3440f1bc7fcac67c8a12599eab8d5c015affdc2e439fa30f5c7868ef5f52ede058361faae37ccc4af2c17c0adf30b8e1f852bb7106d0ec7162506
-
SSDEEP
786432:urp+Ty2SfUfnbu+zMFy/7zYgWXRLTArzttOaaFC:Sp+Ty2SfWnPzMFO7zYgWBLbFC
Score7/10-
Executes dropped EXE
-
Loads dropped DLL
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
-
-
Target
dependencies/vcredist2015_2017_2019_2022_x86.exe
-
Size
13.2MB
-
MD5
0d762264d9765e21c15a58edc43f4706
-
SHA1
64ce52d26d6930f5a110112487239e491ab1b1ee
-
SHA256
c61cef97487536e766130fa8714dd1b4143f6738bfb71806018eee1b5fe6f057
-
SHA512
a07dcabb588886c73865c8bde027d16ce9c8c14c480286f5697620c6d47f20727c208704047512e4ba55e9dc64ac7940b31910a7df0d1b7dc5569f37270f0441
-
SSDEEP
196608:lRjDvJcflpQcIIS/Rj7BWl+aV8t8z72BxBwBgO4CSMNRv8ESutOisJaxP4bFQ1KC:XDRSlptVYmfr7yBG/4bEXtOiHCFQbPlN
Score7/10-
Executes dropped EXE
-
Loads dropped DLL
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
-
-
Target
severe.exe
-
Size
71.2MB
-
MD5
46823ac3e2ff8b68f2236c96ef2baf5b
-
SHA1
040ceb7f68b0f5d65b98829b92cb298bc7a98352
-
SHA256
ea1de4ec82f254511df6197a9bba8d33fad68d134acf5cec652d254e362dda20
-
SHA512
e4e117aee3a16492c509bc007e0543301aff1f06f123f99dbc31974aabd5e8e58106e53b10c065a7a8b40557a95a54a6e00bc4158f3d62cca60cd4fc6a50261e
-
SSDEEP
1572864:D4/4rzOchPcTzc0X1xnPy9DwXvnBIQj/2F81Y40zYl27:8kqcdcTZXb06JI981Y4K7
Score7/10-
Drops startup file
-
Executes dropped EXE
-
Loads dropped DLL
-
Adds Run key to start application
-
Legitimate hosting services abused for malware hosting/C2
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Scheduled Task/Job
1Defense Evasion
Hide Artifacts
3Hidden Files and Directories
3Modify Registry
5