Analysis
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max time kernel
131s -
max time network
134s -
platform
windows10_x64 -
resource
win10v20201028 -
submitted
08-03-2021 13:59
Static task
static1
Behavioral task
behavioral1
Sample
12e66476395f8c1d0c457a7c13ae71df.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
12e66476395f8c1d0c457a7c13ae71df.exe
Resource
win10v20201028
General
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Target
12e66476395f8c1d0c457a7c13ae71df.exe
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Size
737KB
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MD5
12e66476395f8c1d0c457a7c13ae71df
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SHA1
8cb6d53b8b238c0118a0b4748ec54c9aa49123b7
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SHA256
9bf5a22089f0b74627320945df991bd1dfa37bf5522f8ecb61e5873bc6093f22
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SHA512
7e80d1b0b45f2f076499d93ef1d810e4a5ad4a4fe5a7156de4cb1a1be1beb779d39912c802a1bead6bbae7f4ce6f8cf64d49441e0d4c12fc488f1d1d90b9150c
Malware Config
Signatures
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Executes dropped EXE 2 IoCs
Processes:
updatewin.exe5.exepid Process 1080 updatewin.exe 1360 5.exe -
Loads dropped DLL 2 IoCs
Processes:
5.exepid Process 1360 5.exe 1360 5.exe -
Modifies file permissions 1 TTPs 1 IoCs
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
12e66476395f8c1d0c457a7c13ae71df.exedescription ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3341490333-719741536-2920803124-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\d478b4f7-7237-42ec-aef9-c3a8df220903\\12e66476395f8c1d0c457a7c13ae71df.exe\" --AutoStart" 12e66476395f8c1d0c457a7c13ae71df.exe -
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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 11 api.2ip.ua 19 api.2ip.ua 10 api.2ip.ua -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
5.exedescription ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 5.exe -
Delays execution with timeout.exe 2 IoCs
Processes:
timeout.exetimeout.exepid Process 2296 timeout.exe 1752 timeout.exe -
Kills process with taskkill 1 IoCs
Processes:
taskkill.exepid Process 4444 taskkill.exe -
Processes:
12e66476395f8c1d0c457a7c13ae71df.exedescription ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 12e66476395f8c1d0c457a7c13ae71df.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 12e66476395f8c1d0c457a7c13ae71df.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
12e66476395f8c1d0c457a7c13ae71df.exe12e66476395f8c1d0c457a7c13ae71df.exe5.exepid Process 4760 12e66476395f8c1d0c457a7c13ae71df.exe 4760 12e66476395f8c1d0c457a7c13ae71df.exe 4400 12e66476395f8c1d0c457a7c13ae71df.exe 4400 12e66476395f8c1d0c457a7c13ae71df.exe 1360 5.exe 1360 5.exe 1360 5.exe 1360 5.exe 1360 5.exe 1360 5.exe 1360 5.exe 1360 5.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
taskkill.exedescription pid Process Token: SeDebugPrivilege 4444 taskkill.exe -
Suspicious use of WriteProcessMemory 27 IoCs
Processes:
12e66476395f8c1d0c457a7c13ae71df.exe12e66476395f8c1d0c457a7c13ae71df.exeupdatewin.execmd.exe5.execmd.exedescription pid Process procid_target PID 4760 wrote to memory of 4216 4760 12e66476395f8c1d0c457a7c13ae71df.exe 77 PID 4760 wrote to memory of 4216 4760 12e66476395f8c1d0c457a7c13ae71df.exe 77 PID 4760 wrote to memory of 4216 4760 12e66476395f8c1d0c457a7c13ae71df.exe 77 PID 4760 wrote to memory of 4400 4760 12e66476395f8c1d0c457a7c13ae71df.exe 78 PID 4760 wrote to memory of 4400 4760 12e66476395f8c1d0c457a7c13ae71df.exe 78 PID 4760 wrote to memory of 4400 4760 12e66476395f8c1d0c457a7c13ae71df.exe 78 PID 4400 wrote to memory of 1080 4400 12e66476395f8c1d0c457a7c13ae71df.exe 80 PID 4400 wrote to memory of 1080 4400 12e66476395f8c1d0c457a7c13ae71df.exe 80 PID 4400 wrote to memory of 1080 4400 12e66476395f8c1d0c457a7c13ae71df.exe 80 PID 4400 wrote to memory of 1360 4400 12e66476395f8c1d0c457a7c13ae71df.exe 81 PID 4400 wrote to memory of 1360 4400 12e66476395f8c1d0c457a7c13ae71df.exe 81 PID 4400 wrote to memory of 1360 4400 12e66476395f8c1d0c457a7c13ae71df.exe 81 PID 1080 wrote to memory of 1364 1080 updatewin.exe 82 PID 1080 wrote to memory of 1364 1080 updatewin.exe 82 PID 1080 wrote to memory of 1364 1080 updatewin.exe 82 PID 1364 wrote to memory of 2296 1364 cmd.exe 84 PID 1364 wrote to memory of 2296 1364 cmd.exe 84 PID 1364 wrote to memory of 2296 1364 cmd.exe 84 PID 1360 wrote to memory of 2912 1360 5.exe 86 PID 1360 wrote to memory of 2912 1360 5.exe 86 PID 1360 wrote to memory of 2912 1360 5.exe 86 PID 2912 wrote to memory of 4444 2912 cmd.exe 88 PID 2912 wrote to memory of 4444 2912 cmd.exe 88 PID 2912 wrote to memory of 4444 2912 cmd.exe 88 PID 2912 wrote to memory of 1752 2912 cmd.exe 89 PID 2912 wrote to memory of 1752 2912 cmd.exe 89 PID 2912 wrote to memory of 1752 2912 cmd.exe 89
Processes
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C:\Users\Admin\AppData\Local\Temp\12e66476395f8c1d0c457a7c13ae71df.exe"C:\Users\Admin\AppData\Local\Temp\12e66476395f8c1d0c457a7c13ae71df.exe"1⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4760 -
C:\Windows\SysWOW64\icacls.exeicacls "C:\Users\Admin\AppData\Local\d478b4f7-7237-42ec-aef9-c3a8df220903" /deny *S-1-1-0:(OI)(CI)(DE,DC)2⤵
- Modifies file permissions
PID:4216
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C:\Users\Admin\AppData\Local\Temp\12e66476395f8c1d0c457a7c13ae71df.exe"C:\Users\Admin\AppData\Local\Temp\12e66476395f8c1d0c457a7c13ae71df.exe" --Admin IsNotAutoStart IsNotTask2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4400 -
C:\Users\Admin\AppData\Local\26b98f45-d411-491a-9133-94cce1cc080e\updatewin.exe"C:\Users\Admin\AppData\Local\26b98f45-d411-491a-9133-94cce1cc080e\updatewin.exe"3⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1080 -
C:\Windows\SysWOW64\cmd.exe/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\26b98f45-d411-491a-9133-94cce1cc080e\updatewin.exe4⤵
- Suspicious use of WriteProcessMemory
PID:1364 -
C:\Windows\SysWOW64\timeout.exetimeout /t 35⤵
- Delays execution with timeout.exe
PID:2296
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C:\Users\Admin\AppData\Local\26b98f45-d411-491a-9133-94cce1cc080e\5.exe"C:\Users\Admin\AppData\Local\26b98f45-d411-491a-9133-94cce1cc080e\5.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1360 -
C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c taskkill /im 5.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\26b98f45-d411-491a-9133-94cce1cc080e\5.exe" & del C:\ProgramData\*.dll & exit4⤵
- Suspicious use of WriteProcessMemory
PID:2912 -
C:\Windows\SysWOW64\taskkill.exetaskkill /im 5.exe /f5⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:4444
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C:\Windows\SysWOW64\timeout.exetimeout /t 65⤵
- Delays execution with timeout.exe
PID:1752
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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MD5
ef2834ac4ee7d6724f255beaf527e635
SHA15be8c1e73a21b49f353c2ecfa4108e43a883cb7b
SHA256a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba
SHA512c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2
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MD5
8f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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MD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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MD5
bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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MD5
a2ee53de9167bf0d6c019303b7ca84e5
SHA12a3c737fa1157e8483815e98b666408a18c0db42
SHA25643536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083
SHA51245b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8
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MD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD519b7135281b1d256b6c837a6a5c2ae40
SHA17fb3dc1fa740c77db06689140c51c8da1ed1a6a3
SHA256116c8d03bfe5010743bf225ab88b111370a6c1170f45b066bcced9a49af6a661
SHA512993ad1951cbcad88a3cde6c0fceee06beb11557ac1703bd8c540f93e5c9c2749cea3e7fb242ab07eb660cc4ab6015a557a2ecbb727c1182ba4554757f29f634b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5899e9694777b7b35087a51ffcc729d43
SHA18359dcd3ca4c8bde585b012ccccc84bf135d3797
SHA25698e3871c94e70237460ff3e42aef8f87b5bedfe9b85d38e699046827dadcee75
SHA5125ca781a78900afa2f192d2dfd8178997cd727444cca8b14844ea2c5cdff470cf588eb769acb60a4ffe2ebf1cfaeb02a6abfe71e674b282e01935570da190e182
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD537a73ba717361f452a41bfdb0fc508d6
SHA1c740eaa2bf78f018970d84d642d07211cfd9220c
SHA256089113f9133e9a5637b5dffeb7387b921d248334fe39c6a194c957b79809cc7c
SHA51206a37d5964af74c623786d166ef5e766b351edecde07c400435295d958a41a0d97ab7fde170ffcba997a7dfa698f3a07e396f9b2d500243e4b58ddb8585ba212
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5c6be79288f34c1d0e5b9ec7c07f54fc3
SHA1e63f6470217bdb4a23e206490bbc001d1591dac9
SHA256350084f75b5f986b7d013e1746ebeb033b03987650fb02b72e4baa7e0f16d32c
SHA512dfb1d53bdbe206a85cd52ad925012aef1c3447f65a7b89960889040226b0f973717b213e3c84629b7d19be4d11f3b214d5e8204a9ced5bd0250972151566f471
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MD5
6a50d5e91b193be284aa02106ee35e97
SHA1097137cb64eb18ce55c13f1e841d5312d07fbbf4
SHA25682c1ccbd7db7615a982f7b8072784575972aff3f0ab4597efda9d2e7ca17b961
SHA5127f79ef4c3b2cd32e6e1fe6c64d1a693115789665f705144cb912500f25f669f28ac61f709d29057b66bf2a6c1f8376b3a8ef7ccb95668cabf2d15455745f1f03
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MD5
6a50d5e91b193be284aa02106ee35e97
SHA1097137cb64eb18ce55c13f1e841d5312d07fbbf4
SHA25682c1ccbd7db7615a982f7b8072784575972aff3f0ab4597efda9d2e7ca17b961
SHA5127f79ef4c3b2cd32e6e1fe6c64d1a693115789665f705144cb912500f25f669f28ac61f709d29057b66bf2a6c1f8376b3a8ef7ccb95668cabf2d15455745f1f03
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MD5
9010fa92cc83afe00fab38703e6ffa77
SHA14d603ec27d02d84a65d1555c2df0896d7675fafc
SHA25638e6f4d8f53e8a38950594d9588cb00218bf46113c51b5241771181a521b9c75
SHA512a39ea249da189fedd5f8d1c13d03693626c70ba08c69c4ec76396d3475c5480e98c8dba1da0b74089252d8d781fc050e4eed9346b648ccbb42e22cf6d15399e8
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MD5
9010fa92cc83afe00fab38703e6ffa77
SHA14d603ec27d02d84a65d1555c2df0896d7675fafc
SHA25638e6f4d8f53e8a38950594d9588cb00218bf46113c51b5241771181a521b9c75
SHA512a39ea249da189fedd5f8d1c13d03693626c70ba08c69c4ec76396d3475c5480e98c8dba1da0b74089252d8d781fc050e4eed9346b648ccbb42e22cf6d15399e8
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C:\Users\Admin\AppData\Local\d478b4f7-7237-42ec-aef9-c3a8df220903\12e66476395f8c1d0c457a7c13ae71df.exe
MD512e66476395f8c1d0c457a7c13ae71df
SHA18cb6d53b8b238c0118a0b4748ec54c9aa49123b7
SHA2569bf5a22089f0b74627320945df991bd1dfa37bf5522f8ecb61e5873bc6093f22
SHA5127e80d1b0b45f2f076499d93ef1d810e4a5ad4a4fe5a7156de4cb1a1be1beb779d39912c802a1bead6bbae7f4ce6f8cf64d49441e0d4c12fc488f1d1d90b9150c
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MD5
8f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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MD5
bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66