Analysis
-
max time kernel
150s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220812-en -
resource tags
arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system -
submitted
05-12-2022 23:41
Static task
static1
Behavioral task
behavioral1
Sample
b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe
Resource
win7-20220812-en
windows7-x64
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
-
Target
b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe
-
Size
148KB
-
MD5
8f4cc06ea607576eab1d1d1208f90b7e
-
SHA1
7f2c1d3755960c85b54c5d154288c094c41cd7ad
-
SHA256
b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3
-
SHA512
97ba94b767662161f35703fe72c8fcf63f70e43b44bc6854dbdaddcffc4fe97fd82effee6e0d81f6666efcd61dd739973a41bc4acf435f1b89677e08507bf90d
-
SSDEEP
3072:iSe1qFzxgwMylAUR6UQUcJPPB5RPXsS+t9jiL4oQZiEoLdT:iCFzxgZVU49xEtlcWQ
Score
10/10
Malware Config
Signatures
-
Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe Set value (int) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Explorer\Advanced\ShowSuperHidden = "0" flbauj.exe -
Executes dropped EXE 1 IoCs
pid Process 1708 flbauj.exe -
Loads dropped DLL 2 IoCs
pid Process 1012 b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe 1012 b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe -
Adds Run key to start application 2 TTPs 53 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /o" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /b" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /z" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /s" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /j" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /m" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /P" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /X" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /h" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /O" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /n" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /e" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /Y" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /J" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /w" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /y" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /i" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /F" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /g" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /U" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /S" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /t" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /a" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /A" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /K" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /Q" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /G" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /p" b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /L" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /H" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /V" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /l" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /B" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /r" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /p" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /I" flbauj.exe Key created \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\ flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /N" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /v" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /x" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /q" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /d" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /k" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /W" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /T" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /u" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /D" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /c" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /M" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /E" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /Z" flbauj.exe Set value (str) \REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000\Software\Microsoft\Windows\CurrentVersion\Run\flbauj = "C:\\Users\\Admin\\flbauj.exe /f" flbauj.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1012 b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe 1708 flbauj.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
pid Process 1012 b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe 1708 flbauj.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1012 wrote to memory of 1708 1012 b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe 28 PID 1012 wrote to memory of 1708 1012 b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe 28 PID 1012 wrote to memory of 1708 1012 b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe 28 PID 1012 wrote to memory of 1708 1012 b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe 28
Processes
-
C:\Users\Admin\AppData\Local\Temp\b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe"C:\Users\Admin\AppData\Local\Temp\b1d6b49ad01ca4fdd86f6da0a58e2ee38e448e41cfeabe774d298481e05e03d3.exe"1⤵
- Modifies visiblity of hidden/system files in Explorer
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1012 -
C:\Users\Admin\flbauj.exe"C:\Users\Admin\flbauj.exe"2⤵
- Modifies visiblity of hidden/system files in Explorer
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:1708
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
148KB
MD55d6abd66b7a71cf8b9bb02c6ff0b976f
SHA18c38a9dd7dece9fd7bb24adfc2def8fe0ed25a73
SHA25647b8558e872f408e46a44170dfcc19694f5c16ab77ba1270d3618b77b2a7edef
SHA51264e6854bc80f7bd78e42645b24989262cff5bf34aef69ad6bfac048f50e767325caae568ded08fa69a37147e2f6d6f8cce74db8a0c5b3354ee653804756c6e22
-
Filesize
148KB
MD55d6abd66b7a71cf8b9bb02c6ff0b976f
SHA18c38a9dd7dece9fd7bb24adfc2def8fe0ed25a73
SHA25647b8558e872f408e46a44170dfcc19694f5c16ab77ba1270d3618b77b2a7edef
SHA51264e6854bc80f7bd78e42645b24989262cff5bf34aef69ad6bfac048f50e767325caae568ded08fa69a37147e2f6d6f8cce74db8a0c5b3354ee653804756c6e22
-
Filesize
148KB
MD55d6abd66b7a71cf8b9bb02c6ff0b976f
SHA18c38a9dd7dece9fd7bb24adfc2def8fe0ed25a73
SHA25647b8558e872f408e46a44170dfcc19694f5c16ab77ba1270d3618b77b2a7edef
SHA51264e6854bc80f7bd78e42645b24989262cff5bf34aef69ad6bfac048f50e767325caae568ded08fa69a37147e2f6d6f8cce74db8a0c5b3354ee653804756c6e22
-
Filesize
148KB
MD55d6abd66b7a71cf8b9bb02c6ff0b976f
SHA18c38a9dd7dece9fd7bb24adfc2def8fe0ed25a73
SHA25647b8558e872f408e46a44170dfcc19694f5c16ab77ba1270d3618b77b2a7edef
SHA51264e6854bc80f7bd78e42645b24989262cff5bf34aef69ad6bfac048f50e767325caae568ded08fa69a37147e2f6d6f8cce74db8a0c5b3354ee653804756c6e22