Analysis
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max time kernel
21s -
max time network
43s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
24-06-2021 12:09
Static task
static1
Behavioral task
behavioral1
Sample
d949b2a7fc1633e57f1afa34cd0a90a8.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
d949b2a7fc1633e57f1afa34cd0a90a8.exe
Resource
win10v20210410
General
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Target
d949b2a7fc1633e57f1afa34cd0a90a8.exe
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Size
465KB
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MD5
d949b2a7fc1633e57f1afa34cd0a90a8
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SHA1
76b705a243bf5012be62d8789f4271e4de4b0547
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SHA256
5ca87d23b76747cc2710bede0dd15ca05f21e1ca1df959e95aebf49304a677a0
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SHA512
07b7eae9c5555ab25f703e0bf40b414f79322b78f049d8da9ee8d7bfdc6ab9339bad42fa572b3018b5319b74a76bec998eb18a4eed0febe22952f3b6126a4013
Malware Config
Signatures
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Core1 .NET packer 1 IoCs
Detects packer/loader used by .NET malware.
Processes:
resource yara_rule behavioral1/memory/1012-64-0x0000000002250000-0x00000000022F7000-memory.dmp Core1 -
Downloads MZ/PE file
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Loads dropped DLL 7 IoCs
Processes:
explorer.exepid process 1288 explorer.exe 1288 explorer.exe 1288 explorer.exe 1288 explorer.exe 1288 explorer.exe 1288 explorer.exe 1288 explorer.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
d949b2a7fc1633e57f1afa34cd0a90a8.exedescription pid process target process PID 1012 set thread context of 1288 1012 d949b2a7fc1633e57f1afa34cd0a90a8.exe explorer.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1512 timeout.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
d949b2a7fc1633e57f1afa34cd0a90a8.exeexplorer.execmd.exedescription pid process target process PID 1012 wrote to memory of 1288 1012 d949b2a7fc1633e57f1afa34cd0a90a8.exe explorer.exe PID 1012 wrote to memory of 1288 1012 d949b2a7fc1633e57f1afa34cd0a90a8.exe explorer.exe PID 1012 wrote to memory of 1288 1012 d949b2a7fc1633e57f1afa34cd0a90a8.exe explorer.exe PID 1012 wrote to memory of 1288 1012 d949b2a7fc1633e57f1afa34cd0a90a8.exe explorer.exe PID 1012 wrote to memory of 1288 1012 d949b2a7fc1633e57f1afa34cd0a90a8.exe explorer.exe PID 1012 wrote to memory of 1288 1012 d949b2a7fc1633e57f1afa34cd0a90a8.exe explorer.exe PID 1012 wrote to memory of 1288 1012 d949b2a7fc1633e57f1afa34cd0a90a8.exe explorer.exe PID 1012 wrote to memory of 1288 1012 d949b2a7fc1633e57f1afa34cd0a90a8.exe explorer.exe PID 1012 wrote to memory of 1288 1012 d949b2a7fc1633e57f1afa34cd0a90a8.exe explorer.exe PID 1012 wrote to memory of 1288 1012 d949b2a7fc1633e57f1afa34cd0a90a8.exe explorer.exe PID 1288 wrote to memory of 1632 1288 explorer.exe cmd.exe PID 1288 wrote to memory of 1632 1288 explorer.exe cmd.exe PID 1288 wrote to memory of 1632 1288 explorer.exe cmd.exe PID 1288 wrote to memory of 1632 1288 explorer.exe cmd.exe PID 1632 wrote to memory of 1512 1632 cmd.exe timeout.exe PID 1632 wrote to memory of 1512 1632 cmd.exe timeout.exe PID 1632 wrote to memory of 1512 1632 cmd.exe timeout.exe PID 1632 wrote to memory of 1512 1632 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\d949b2a7fc1633e57f1afa34cd0a90a8.exe"C:\Users\Admin\AppData\Local\Temp\d949b2a7fc1633e57f1afa34cd0a90a8.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exe"C:\Windows\SysWOW64\explorer.exe"2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Windows\SysWOW64\explorer.exe"3⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK4⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\LocalLow\nW6mI-7yS1k\freebl3.dllMD5
60acd24430204ad2dc7f148b8cfe9bdc
SHA1989f377b9117d7cb21cbe92a4117f88f9c7693d9
SHA2569876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97
SHA512626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01
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\Users\Admin\AppData\LocalLow\nW6mI-7yS1k\mozglue.dllMD5
eae9273f8cdcf9321c6c37c244773139
SHA18378e2a2f3635574c106eea8419b5eb00b8489b0
SHA256a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc
SHA51206e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097
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\Users\Admin\AppData\LocalLow\nW6mI-7yS1k\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\Users\Admin\AppData\LocalLow\nW6mI-7yS1k\nss3.dllMD5
02cc7b8ee30056d5912de54f1bdfc219
SHA1a6923da95705fb81e368ae48f93d28522ef552fb
SHA2561989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5
SHA5120d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5
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\Users\Admin\AppData\LocalLow\nW6mI-7yS1k\softokn3.dllMD5
4e8df049f3459fa94ab6ad387f3561ac
SHA106ed392bc29ad9d5fc05ee254c2625fd65925114
SHA25625a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871
SHA5123dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6
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\Users\Admin\AppData\LocalLow\nW6mI-7yS1k\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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\Users\Admin\AppData\LocalLow\sqlite3.dllMD5
f964811b68f9f1487c2b41e1aef576ce
SHA1b423959793f14b1416bc3b7051bed58a1034025f
SHA25683bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7
SHA512565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4
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memory/1012-66-0x0000000000560000-0x0000000000561000-memory.dmpFilesize
4KB
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memory/1012-67-0x00000000023A0000-0x0000000002430000-memory.dmpFilesize
576KB
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memory/1012-60-0x000000013FA50000-0x000000013FA51000-memory.dmpFilesize
4KB
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memory/1012-65-0x0000000000550000-0x0000000000560000-memory.dmpFilesize
64KB
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memory/1012-64-0x0000000002250000-0x00000000022F7000-memory.dmpFilesize
668KB
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memory/1012-63-0x000000001BBC0000-0x000000001BBC2000-memory.dmpFilesize
8KB
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memory/1012-62-0x000000001B310000-0x000000001B3EF000-memory.dmpFilesize
892KB
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memory/1288-68-0x0000000000400000-0x0000000000492000-memory.dmpFilesize
584KB
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memory/1288-70-0x00000000757E1000-0x00000000757E3000-memory.dmpFilesize
8KB
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memory/1288-71-0x0000000000400000-0x0000000000492000-memory.dmpFilesize
584KB
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memory/1288-69-0x000000000043DC85-mapping.dmp
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memory/1512-80-0x0000000000000000-mapping.dmp
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memory/1632-79-0x0000000000000000-mapping.dmp