Analysis
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max time kernel
91s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
22/11/2022, 08:33
Static task
static1
Behavioral task
behavioral1
Sample
9d0690c91bf2a7865663aedba946a273408ba8de85ec3da05ab125fd5a6a580e.exe
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
9d0690c91bf2a7865663aedba946a273408ba8de85ec3da05ab125fd5a6a580e.exe
Resource
win10v2004-20220901-en
General
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Target
9d0690c91bf2a7865663aedba946a273408ba8de85ec3da05ab125fd5a6a580e.exe
-
Size
300KB
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MD5
72a7ae75504377eaeabc054ec4ac80d4
-
SHA1
4cd0094273f3914f612fc5a8ed2bfa1c13fa44d3
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SHA256
9d0690c91bf2a7865663aedba946a273408ba8de85ec3da05ab125fd5a6a580e
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SHA512
eb546277baedaf38ea6d02b55b082978e9c64ab5586ac4b42f06286445ac161b42a5a2070a3acf5d06ce01228838bba312efb2ac6ea416aca74ddec3da646e67
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SSDEEP
6144:ebE/HU4T44R2GZzuj7Fko78xZEg6NfshMzZgrgH4/aRv+/3pOGL6ADjP/k:ebKIVcgY/aRv4bemjP/k
Malware Config
Signatures
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Executes dropped EXE 1 IoCs
pid Process 3604 mfctf.exe -
Loads dropped DLL 1 IoCs
pid Process 5012 mfctf.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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook mfctf.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook mfctf.exe Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook mfctf.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\bxpbir = "C:\\Users\\Admin\\AppData\\Roaming\\qnuluqyknrbl\\yafw.exe \"C:\\Users\\Admin\\AppData\\Local\\Temp\\mfctf.exe\"" mfctf.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3604 set thread context of 5012 3604 mfctf.exe 81 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Program crash 1 IoCs
pid pid_target Process procid_target 1820 3604 WerFault.exe 80 -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5012 mfctf.exe -
Suspicious use of WriteProcessMemory 7 IoCs
description pid Process procid_target PID 2952 wrote to memory of 3604 2952 9d0690c91bf2a7865663aedba946a273408ba8de85ec3da05ab125fd5a6a580e.exe 80 PID 2952 wrote to memory of 3604 2952 9d0690c91bf2a7865663aedba946a273408ba8de85ec3da05ab125fd5a6a580e.exe 80 PID 2952 wrote to memory of 3604 2952 9d0690c91bf2a7865663aedba946a273408ba8de85ec3da05ab125fd5a6a580e.exe 80 PID 3604 wrote to memory of 5012 3604 mfctf.exe 81 PID 3604 wrote to memory of 5012 3604 mfctf.exe 81 PID 3604 wrote to memory of 5012 3604 mfctf.exe 81 PID 3604 wrote to memory of 5012 3604 mfctf.exe 81 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook mfctf.exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook mfctf.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9d0690c91bf2a7865663aedba946a273408ba8de85ec3da05ab125fd5a6a580e.exe"C:\Users\Admin\AppData\Local\Temp\9d0690c91bf2a7865663aedba946a273408ba8de85ec3da05ab125fd5a6a580e.exe"1⤵
- Suspicious use of WriteProcessMemory
PID:2952 -
C:\Users\Admin\AppData\Local\Temp\mfctf.exe"C:\Users\Admin\AppData\Local\Temp\mfctf.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3604 -
C:\Users\Admin\AppData\Local\Temp\mfctf.exe"C:\Users\Admin\AppData\Local\Temp\mfctf.exe"3⤵
- Loads dropped DLL
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:5012
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3604 -s 7163⤵
- Program crash
PID:1820
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3604 -ip 36041⤵PID:4936
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
104KB
MD5757e96fe0b2ab49cfac55bae58562f8d
SHA1bcdc33f6310480ed69b6500094965c58b79b497c
SHA256b3b898deebfd27e6b49af7e8a17da2ba1058422555b30875c05412de35faf23e
SHA51252b4763c712c8bbbd97ec03b9acb4f5ee079533a557b4c5039a217088e1c0a2f6697675d9577388804c658d4cb30bbae656ddf6c490196260e8ffefea9a8596c
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Filesize
59KB
MD5b886e5335de23984feb437703ae9a43c
SHA1b43aea33165f7286c884fd9f5d66c6a9b09babed
SHA256a543116dba9c492a026732ba961dbc137eb6bce3b8658dcb85a3ca71c26967aa
SHA512bcbbc3df90bd8d4c6fb9688de401583087f9c5e51b67debf39400ed3d7451e6cb997cab8db166715512212672678996dddc1e2d2fd49d249f1db1d8e1a4d04a2
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Filesize
59KB
MD5b886e5335de23984feb437703ae9a43c
SHA1b43aea33165f7286c884fd9f5d66c6a9b09babed
SHA256a543116dba9c492a026732ba961dbc137eb6bce3b8658dcb85a3ca71c26967aa
SHA512bcbbc3df90bd8d4c6fb9688de401583087f9c5e51b67debf39400ed3d7451e6cb997cab8db166715512212672678996dddc1e2d2fd49d249f1db1d8e1a4d04a2
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Filesize
59KB
MD5b886e5335de23984feb437703ae9a43c
SHA1b43aea33165f7286c884fd9f5d66c6a9b09babed
SHA256a543116dba9c492a026732ba961dbc137eb6bce3b8658dcb85a3ca71c26967aa
SHA512bcbbc3df90bd8d4c6fb9688de401583087f9c5e51b67debf39400ed3d7451e6cb997cab8db166715512212672678996dddc1e2d2fd49d249f1db1d8e1a4d04a2
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Filesize
6KB
MD5a5dbb138e924474217693e24969fd8b9
SHA1500817fb14d17114187be78cbd90a5a151d7753d
SHA25620fa7b45149a3d20bc8210285bf13e1238dd662644b5e41f3db7dd09148752c9
SHA5121052bea6587e4cff14d6fba1ef7e1309ffa2fd230dacc73263a6e0ac558d1058abc9b914a5f8afa2223fc5b3dad785deaf28c4e3cd1f3fb4a41b369c3b3d93ff