Analysis
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max time kernel
82s -
max time network
151s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
30-07-2021 04:01
Static task
static1
Behavioral task
behavioral1
Sample
b1e4435d0ad9130d9f1a6355454883cc.exe
Resource
win7v20210408
General
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Target
b1e4435d0ad9130d9f1a6355454883cc.exe
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Size
563KB
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MD5
b1e4435d0ad9130d9f1a6355454883cc
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SHA1
cc6fa54f06ec39e87b2fcbe1dfab3330edd913fd
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SHA256
a7871004d96e99be9bc56c380d202abe563cf9693b5603cc2104608e292de247
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SHA512
e8c26e22434ae91631b16455d2bde6de15533e89ad6db7e3a3f28473242ece632ec775be2f984d422a0ecf44b11c0dfab42b0283dd35380326ef5ff6c50cee6e
Malware Config
Extracted
vidar
39.8
921
https://xeronxikxxx.tumblr.com/
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profile_id
921
Signatures
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Vidar Stealer 3 IoCs
Processes:
resource yara_rule behavioral2/memory/1476-119-0x0000000000400000-0x00000000004A1000-memory.dmp family_vidar behavioral2/memory/1476-120-0x000000000046B76D-mapping.dmp family_vidar behavioral2/memory/1476-122-0x0000000000400000-0x00000000004A1000-memory.dmp family_vidar -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
b1e4435d0ad9130d9f1a6355454883cc.exepid process 1476 b1e4435d0ad9130d9f1a6355454883cc.exe 1476 b1e4435d0ad9130d9f1a6355454883cc.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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Suspicious use of SetThreadContext 1 IoCs
Processes:
b1e4435d0ad9130d9f1a6355454883cc.exedescription pid process target process PID 3904 set thread context of 1476 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 4016 1476 WerFault.exe b1e4435d0ad9130d9f1a6355454883cc.exe -
Processes:
b1e4435d0ad9130d9f1a6355454883cc.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 b1e4435d0ad9130d9f1a6355454883cc.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 b1e4435d0ad9130d9f1a6355454883cc.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
b1e4435d0ad9130d9f1a6355454883cc.exeWerFault.exepid process 1476 b1e4435d0ad9130d9f1a6355454883cc.exe 1476 b1e4435d0ad9130d9f1a6355454883cc.exe 1476 b1e4435d0ad9130d9f1a6355454883cc.exe 1476 b1e4435d0ad9130d9f1a6355454883cc.exe 1476 b1e4435d0ad9130d9f1a6355454883cc.exe 1476 b1e4435d0ad9130d9f1a6355454883cc.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe 4016 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
b1e4435d0ad9130d9f1a6355454883cc.exeWerFault.exedescription pid process Token: SeDebugPrivilege 3904 b1e4435d0ad9130d9f1a6355454883cc.exe Token: SeRestorePrivilege 4016 WerFault.exe Token: SeBackupPrivilege 4016 WerFault.exe Token: SeDebugPrivilege 4016 WerFault.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
b1e4435d0ad9130d9f1a6355454883cc.exedescription pid process target process PID 3904 wrote to memory of 4060 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe PID 3904 wrote to memory of 4060 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe PID 3904 wrote to memory of 4060 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe PID 3904 wrote to memory of 1476 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe PID 3904 wrote to memory of 1476 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe PID 3904 wrote to memory of 1476 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe PID 3904 wrote to memory of 1476 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe PID 3904 wrote to memory of 1476 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe PID 3904 wrote to memory of 1476 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe PID 3904 wrote to memory of 1476 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe PID 3904 wrote to memory of 1476 3904 b1e4435d0ad9130d9f1a6355454883cc.exe b1e4435d0ad9130d9f1a6355454883cc.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe"C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exeC:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe2⤵
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C:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exeC:\Users\Admin\AppData\Local\Temp\b1e4435d0ad9130d9f1a6355454883cc.exe2⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1476 -s 16483⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\ProgramData\mozglue.dllMD5
8f73c08a9660691143661bf7332c3c27
SHA137fa65dd737c50fda710fdbde89e51374d0c204a
SHA2563fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd
SHA5120042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89
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\ProgramData\nss3.dllMD5
bfac4e3c5908856ba17d41edcd455a51
SHA18eec7e888767aa9e4cca8ff246eb2aacb9170428
SHA256e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78
SHA5122565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66
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memory/1476-119-0x0000000000400000-0x00000000004A1000-memory.dmpFilesize
644KB
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memory/1476-120-0x000000000046B76D-mapping.dmp
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memory/1476-122-0x0000000000400000-0x00000000004A1000-memory.dmpFilesize
644KB
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memory/3904-114-0x0000000000A50000-0x0000000000A51000-memory.dmpFilesize
4KB
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memory/3904-116-0x0000000002CD0000-0x0000000002CEB000-memory.dmpFilesize
108KB
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memory/3904-117-0x00000000053D0000-0x00000000053D1000-memory.dmpFilesize
4KB
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memory/3904-118-0x0000000005290000-0x0000000005291000-memory.dmpFilesize
4KB
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memory/3904-121-0x00000000052D0000-0x00000000052D1000-memory.dmpFilesize
4KB