Analysis
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max time kernel
85s -
max time network
148s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
14-08-2021 12:27
Static task
static1
General
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Target
49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe
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Size
1.2MB
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MD5
0eb416a88971dab567b9c93816736010
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SHA1
22bfe6efe4155283878fe3aff46b800ca9b6a3d1
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SHA256
49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34
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SHA512
24a30d480b068c0ebf8556d890cf27305697b7bd9f2f8d61bfd30ab046480d7cf537d429391e044183235507a5ba47562a89ae98806f068ee2747a275df6ec29
Malware Config
Extracted
vidar
40
921
https://lenak513.tumblr.com/
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profile_id
921
Signatures
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Vidar Stealer 3 IoCs
Processes:
resource yara_rule behavioral1/memory/2716-121-0x0000000000400000-0x00000000004A1000-memory.dmp family_vidar behavioral1/memory/2716-122-0x000000000046B77D-mapping.dmp family_vidar behavioral1/memory/2716-123-0x0000000000400000-0x00000000004A1000-memory.dmp family_vidar -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exepid process 2716 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 2716 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.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:
49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exedescription pid process target process PID 3916 set thread context of 2716 3916 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 3724 2716 WerFault.exe 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe -
Processes:
49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exeWerFault.exepid process 2716 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 2716 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 2716 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 2716 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 2716 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 2716 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe 3724 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exeWerFault.exedescription pid process Token: SeDebugPrivilege 3916 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe Token: SeRestorePrivilege 3724 WerFault.exe Token: SeBackupPrivilege 3724 WerFault.exe Token: SeDebugPrivilege 3724 WerFault.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exedescription pid process target process PID 3916 wrote to memory of 2716 3916 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe PID 3916 wrote to memory of 2716 3916 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe PID 3916 wrote to memory of 2716 3916 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe PID 3916 wrote to memory of 2716 3916 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe PID 3916 wrote to memory of 2716 3916 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe PID 3916 wrote to memory of 2716 3916 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe PID 3916 wrote to memory of 2716 3916 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe PID 3916 wrote to memory of 2716 3916 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe 49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe"C:\Users\Admin\AppData\Local\Temp\49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.exeC:\Users\Admin\AppData\Local\Temp\49bcbb42223757d240ccd605c8befefcb38e92aaa87ce09fa0b26ea4a6d9fb34.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 2716 -s 15043⤵
- 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/2716-121-0x0000000000400000-0x00000000004A1000-memory.dmpFilesize
644KB
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memory/2716-122-0x000000000046B77D-mapping.dmp
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memory/2716-123-0x0000000000400000-0x00000000004A1000-memory.dmpFilesize
644KB
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memory/3916-114-0x0000000000940000-0x0000000000941000-memory.dmpFilesize
4KB
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memory/3916-116-0x0000000005890000-0x0000000005891000-memory.dmpFilesize
4KB
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memory/3916-117-0x00000000052E0000-0x00000000052E1000-memory.dmpFilesize
4KB
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memory/3916-118-0x00000000052B0000-0x00000000052B1000-memory.dmpFilesize
4KB
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memory/3916-119-0x0000000005390000-0x000000000588E000-memory.dmpFilesize
5.0MB
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memory/3916-120-0x0000000005570000-0x000000000558D000-memory.dmpFilesize
116KB