Analysis
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max time kernel
90s -
max time network
153s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
30-07-2021 23:40
Static task
static1
Behavioral task
behavioral1
Sample
f1e89356f7a21887e4b5db1160717abf.exe
Resource
win7v20210408
General
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Target
f1e89356f7a21887e4b5db1160717abf.exe
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Size
581KB
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MD5
f1e89356f7a21887e4b5db1160717abf
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SHA1
ff7409ec73309460650dccc2e44efb8595c246d7
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SHA256
4227ee74e68b799efeb3613493f4814a81e16fec32c88bcc3fdcc7eae35b60bc
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SHA512
891734162b8f4b5c1d9cc08cc9c8140edbdf8af2ca4b0819a860cc1c1887d041e25db1b4282069ebeea6d764846d5d20ba3e836d923b1e3886f468236b244e51
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/1840-120-0x0000000000400000-0x00000000004A1000-memory.dmp family_vidar behavioral2/memory/1840-121-0x000000000046B76D-mapping.dmp family_vidar behavioral2/memory/1840-122-0x0000000000400000-0x00000000004A1000-memory.dmp family_vidar -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
Processes:
f1e89356f7a21887e4b5db1160717abf.exepid process 1840 f1e89356f7a21887e4b5db1160717abf.exe 1840 f1e89356f7a21887e4b5db1160717abf.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:
f1e89356f7a21887e4b5db1160717abf.exedescription pid process target process PID 652 set thread context of 1840 652 f1e89356f7a21887e4b5db1160717abf.exe f1e89356f7a21887e4b5db1160717abf.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1188 1840 WerFault.exe f1e89356f7a21887e4b5db1160717abf.exe -
Processes:
f1e89356f7a21887e4b5db1160717abf.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349 f1e89356f7a21887e4b5db1160717abf.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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 f1e89356f7a21887e4b5db1160717abf.exe -
Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
f1e89356f7a21887e4b5db1160717abf.exeWerFault.exepid process 1840 f1e89356f7a21887e4b5db1160717abf.exe 1840 f1e89356f7a21887e4b5db1160717abf.exe 1840 f1e89356f7a21887e4b5db1160717abf.exe 1840 f1e89356f7a21887e4b5db1160717abf.exe 1840 f1e89356f7a21887e4b5db1160717abf.exe 1840 f1e89356f7a21887e4b5db1160717abf.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe 1188 WerFault.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
Processes:
f1e89356f7a21887e4b5db1160717abf.exeWerFault.exedescription pid process Token: SeDebugPrivilege 652 f1e89356f7a21887e4b5db1160717abf.exe Token: SeRestorePrivilege 1188 WerFault.exe Token: SeBackupPrivilege 1188 WerFault.exe Token: SeDebugPrivilege 1188 WerFault.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
f1e89356f7a21887e4b5db1160717abf.exedescription pid process target process PID 652 wrote to memory of 1840 652 f1e89356f7a21887e4b5db1160717abf.exe f1e89356f7a21887e4b5db1160717abf.exe PID 652 wrote to memory of 1840 652 f1e89356f7a21887e4b5db1160717abf.exe f1e89356f7a21887e4b5db1160717abf.exe PID 652 wrote to memory of 1840 652 f1e89356f7a21887e4b5db1160717abf.exe f1e89356f7a21887e4b5db1160717abf.exe PID 652 wrote to memory of 1840 652 f1e89356f7a21887e4b5db1160717abf.exe f1e89356f7a21887e4b5db1160717abf.exe PID 652 wrote to memory of 1840 652 f1e89356f7a21887e4b5db1160717abf.exe f1e89356f7a21887e4b5db1160717abf.exe PID 652 wrote to memory of 1840 652 f1e89356f7a21887e4b5db1160717abf.exe f1e89356f7a21887e4b5db1160717abf.exe PID 652 wrote to memory of 1840 652 f1e89356f7a21887e4b5db1160717abf.exe f1e89356f7a21887e4b5db1160717abf.exe PID 652 wrote to memory of 1840 652 f1e89356f7a21887e4b5db1160717abf.exe f1e89356f7a21887e4b5db1160717abf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f1e89356f7a21887e4b5db1160717abf.exe"C:\Users\Admin\AppData\Local\Temp\f1e89356f7a21887e4b5db1160717abf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\f1e89356f7a21887e4b5db1160717abf.exeC:\Users\Admin\AppData\Local\Temp\f1e89356f7a21887e4b5db1160717abf.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 1840 -s 17123⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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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/652-114-0x00000000003D0000-0x00000000003D1000-memory.dmpFilesize
4KB
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memory/652-116-0x0000000004C90000-0x0000000004C91000-memory.dmpFilesize
4KB
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memory/652-117-0x0000000000D80000-0x0000000000D9A000-memory.dmpFilesize
104KB
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memory/652-118-0x0000000004D20000-0x0000000004D21000-memory.dmpFilesize
4KB
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memory/652-119-0x0000000004CA0000-0x0000000004CA1000-memory.dmpFilesize
4KB
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memory/1840-120-0x0000000000400000-0x00000000004A1000-memory.dmpFilesize
644KB
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memory/1840-121-0x000000000046B76D-mapping.dmp
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memory/1840-122-0x0000000000400000-0x00000000004A1000-memory.dmpFilesize
644KB