Analysis
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max time kernel
20s -
max time network
65s -
platform
windows7_x64 -
resource
win7-20221111-en -
resource tags
arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system -
submitted
24-11-2022 16:32
Static task
static1
Behavioral task
behavioral1
Sample
fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38.exe
Resource
win7-20221111-en
General
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Target
fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38.exe
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Size
931KB
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MD5
8efbaac45550cd312e0617d8e2df214b
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SHA1
65d9ad7810c00ccf1171babd6e69cfcffbd3b0df
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SHA256
fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38
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SHA512
51682f0230ae61dcaa30eaa38dc51ca87e8a9eb6c143fbfcb515653459f5f2b78cf32311e88e906c2b03eddea93480499501e960167b0a48cfb4d2e1ea1f81ba
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SSDEEP
24576:h1OYdaOACZ/iWCvu/2sWsJA/jlt+DHhsL:h1Os+CpYO/dJJDHhsL
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
Processes:
wztvThrWzsF86Jz.exepid process 1064 wztvThrWzsF86Jz.exe -
Loads dropped DLL 1 IoCs
Processes:
fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38.exepid process 2016 fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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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 Chrome extension 3 IoCs
Processes:
wztvThrWzsF86Jz.exedescription ioc process File created C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Extensions\minjbnlhemanjjolfamcfmmfobipnfkg\2.0\manifest.json wztvThrWzsF86Jz.exe File created C:\Users\Administrator\AppData\Local\Google\Chrome\User Data\Default\Extensions\minjbnlhemanjjolfamcfmmfobipnfkg\2.0\manifest.json wztvThrWzsF86Jz.exe File created C:\Users\Guest\AppData\Local\Google\Chrome\User Data\Default\Extensions\minjbnlhemanjjolfamcfmmfobipnfkg\2.0\manifest.json wztvThrWzsF86Jz.exe -
Drops file in System32 directory 4 IoCs
Processes:
wztvThrWzsF86Jz.exedescription ioc process File opened for modification C:\Windows\SysWOW64\GroupPolicy\gpt.ini wztvThrWzsF86Jz.exe File created C:\Windows\System32\GroupPolicy\Machine\Registry.pol wztvThrWzsF86Jz.exe File opened for modification C:\Windows\System32\GroupPolicy\GPT.INI wztvThrWzsF86Jz.exe File opened for modification C:\Windows\System32\GroupPolicy wztvThrWzsF86Jz.exe -
Suspicious behavior: EnumeratesProcesses 10 IoCs
Processes:
wztvThrWzsF86Jz.exepid process 1064 wztvThrWzsF86Jz.exe 1064 wztvThrWzsF86Jz.exe 1064 wztvThrWzsF86Jz.exe 1064 wztvThrWzsF86Jz.exe 1064 wztvThrWzsF86Jz.exe 1064 wztvThrWzsF86Jz.exe 1064 wztvThrWzsF86Jz.exe 1064 wztvThrWzsF86Jz.exe 1064 wztvThrWzsF86Jz.exe 1064 wztvThrWzsF86Jz.exe -
Suspicious use of AdjustPrivilegeToken 6 IoCs
Processes:
wztvThrWzsF86Jz.exedescription pid process Token: SeDebugPrivilege 1064 wztvThrWzsF86Jz.exe Token: SeDebugPrivilege 1064 wztvThrWzsF86Jz.exe Token: SeDebugPrivilege 1064 wztvThrWzsF86Jz.exe Token: SeDebugPrivilege 1064 wztvThrWzsF86Jz.exe Token: SeDebugPrivilege 1064 wztvThrWzsF86Jz.exe Token: SeDebugPrivilege 1064 wztvThrWzsF86Jz.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38.exedescription pid process target process PID 2016 wrote to memory of 1064 2016 fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38.exe wztvThrWzsF86Jz.exe PID 2016 wrote to memory of 1064 2016 fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38.exe wztvThrWzsF86Jz.exe PID 2016 wrote to memory of 1064 2016 fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38.exe wztvThrWzsF86Jz.exe PID 2016 wrote to memory of 1064 2016 fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38.exe wztvThrWzsF86Jz.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38.exe"C:\Users\Admin\AppData\Local\Temp\fc0c01dc47602ee3c3ab452587e35dc4fdde5b4af7d7b56ce559eceeb75e0a38.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2016 -
C:\Users\Admin\AppData\Local\Temp\7zSF3F1.tmp\wztvThrWzsF86Jz.exe.\wztvThrWzsF86Jz.exe2⤵
- Executes dropped EXE
- Drops Chrome extension
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1064
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Temp\7zSF3F1.tmp\[email protected]\bootstrap.js
Filesize2KB
MD5df13f711e20e9c80171846d4f2f7ae06
SHA156d29cda58427efe0e21d3880d39eb1b0ef60bee
SHA2566c325461fba531a94cf8cbdcfc52755494973df0629ce0ee3fef734ab0838fc4
SHA5126c51cee3bf13f164c4a5c9884cc6053cbf9db9701d34c07dc5761d2c047d3d1f7a361b32996a430107e9a4ce68a29149d747a84c76778a1e8780719a3d30470e
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C:\Users\Admin\AppData\Local\Temp\7zSF3F1.tmp\[email protected]\chrome.manifest
Filesize35B
MD5609d76aae5f282a635310e587f27ad22
SHA17ee2291941c680c1e1b36a8a4a0cc23bed60d014
SHA256658f3e1266505a9e0ed773564706e53db868243e89f75da7b0584e59394ce9a9
SHA512bcfb337f8423fa69d5bcbd1f4a572f1efb8dada8053943773245e935453c46c7e395611baad6c0afec291f803b828a3b32628aa5d7a4be36148b52c21e600246
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C:\Users\Admin\AppData\Local\Temp\7zSF3F1.tmp\[email protected]\content\bg.js
Filesize8KB
MD51c6591d823e9cf4ce6cf993caf15af59
SHA17f38c8a7bf33134dcdca61b23a1063e8b5d1ba67
SHA256b97cf8d8108681ed5a25cf0d29e82297799b6236068a11376111cf6a4c147dc3
SHA512cef049ae944d455832743f56a2f5f1ada7f1e78eb55070bf84ca23ecb5f0497ecc0f3577f55420eded4e8d386d5bd2b12884da44342056bc761f32504de75663
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C:\Users\Admin\AppData\Local\Temp\7zSF3F1.tmp\[email protected]\install.rdf
Filesize595B
MD5e14d04728bb22c9026da8a8267ab285c
SHA1ed74f6c37f0cd856b2eebb2bb0f046f788d6bfe3
SHA256df8b0711979ea2d8541a615ccedf84086599dd24e11ac6ea1f58626404341b03
SHA512d3953dc12b58f216c2befbfc183c623f7c4dd7ce89295da7dd37b9f7ed601b4fb228cf58052cc45d674d41d37b4eefdedd26ead078d7f7dd663e09edbef03f78
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Filesize
6KB
MD5c7eff162613f5d8aa826898c2fe7c972
SHA1b94a9d3584f54905877410e2b315915a2c994593
SHA256d11feba55e42c9c67de108c238697041119dfe57667e20598977a97d26002402
SHA5124584a52285451c4eebe7f740a6e08c5528eb92f46f30bc115b025b43966a649380d54f4e66da07307b29eeecb56028000c1aa63285b1c60a9421b30f64a29066
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Filesize
145B
MD5a6701ce1ab728e387018ce19ba8cf5f2
SHA1ca203c3295375f4815eebae7af42e753294319a0
SHA2561049c262f5ba87b6334841ee6defc6f390c1265e4e144a5f35dfc7cc666d84c5
SHA5126d489bd96e15dcb7786dc13086da2fd383dd6178e8d8bdc972e1cb41d86991b4c2ae0f1a97d07a153b97145473696b5911fea84abe4b0929418c9d9df945589a
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Filesize
144B
MD5fca19198fd8af21016a8b1dec7980002
SHA1fd01a47d14004e17a625efe66cc46a06c786cf40
SHA256332b00395bc23d4cb0bf6506b0fbb7e17d690ed41f91cf9b5d1c481cb1d3e82a
SHA51260f4286b3818f996fab50c09b191fbc82ed1c73b2b98d00b088b5afbbc0368c01819bd3868bd3c6bcb2cd083b719e29c28209317c7411213a25f923cfc1f0e47
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Filesize
531B
MD536d98318ab2b3b2585a30984db328afb
SHA1f30b85fbe08e1d569ad49dfeafaf7cb2da6585a5
SHA256ea2caf61817c6f7781ee049217e51c1083c8fc4f1e08e07792052dfdfa529ae7
SHA5126f61ccda2eba18369409850b2c91c9817fc741755e29a1579646e3816e0deab80e34a5adb9ff865c773793d32ac338163a224dbf363b46420d6ea42a7bbb2b3a
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Filesize
498B
MD5640199ea4621e34510de919f6a54436f
SHA1dc65dbfad02bd2688030bd56ca1cab85917a9937
SHA256e4aa7c089e32d14ddf584e9de6d007ec16581cd30c248ff7284bc0eb7757d4af
SHA512d64bc524d6df7c4c21a5ddfb0e6636317482ef4dc28006bd0a38d5e26c2db75626f216143026bf8acf3baa11d86c278e902c78afad4f806ca36f9e54bc75ff0a
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Filesize
1KB
MD562c91877733d8a5c78128f0a8c59bba7
SHA156175de7a169b52872be10aed161de4e35a57f29
SHA256ebb00324e9d2a708b52afac75b0eb70d716a8320594e904c391bbe27dc8a1e6a
SHA512fbffa62af63dfbdb7e2d5fcc91acd8ba8d2a3f53168cc92f9605ba6d6eecf6306b7b5a2aa1a8ac9145186fa25abf04f408d21bd6ba8094d11ee7f39760761dbf
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Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db
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Filesize
772KB
MD55ed7019dcd0008dbcd8e54017b8c7dd9
SHA17e4457da2ff06c2170bad636c9eb7c1bb436fd06
SHA2567f069fe03db518eee8162ba5f65f98f2afd28137dfde9450d26cd47f6cea8eb7
SHA51210cef6104aeca8f7a135d4ffffb907b127f055477af4d98228c7385f0da15677357dfed13fc442ee173f85245224fc4b0ae100b832514c80802c5e5a054b70db