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Analysis
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max time kernel
149s -
max time network
108s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
20/08/2024, 23:41
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20240802-en
General
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Target
file.exe
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Size
160KB
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MD5
50acfb26d39aea301a42692d269b0577
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SHA1
d92ece0badc23dc4562dbe6dbcd1c9f47812c6cb
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SHA256
d5b1e2cec0d590b3d6a8809c940b5316688ce0c8af9fbf8a42baf27888d971d5
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SHA512
d72c7410dfac81258ec79b03b53bda756c7b8a365ca6ac5e9578f105f69cad4911357395f5e088f9e6ddd48ff968809119556d349ea47b917168f7a3f5526430
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SSDEEP
3072:+39emuxx5Ph+Nrlp5LoVpbDM5M5TM+jso:+3UtZe+LbDu+Q
Malware Config
Extracted
nightingale
https://api.telegram.org/bot7360773915:AAGMf_A9lvN1HakLmVWWp2591SJduhueehE/sendDocument
Signatures
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Nightingale stealer
Nightingale stealer is an information stealer written in C#.
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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
pid Process 448 powershell.exe 4752 powershell.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\Control Panel\International\Geo\Nation file.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\file = "C:\\Users\\Admin\\AppData\\Local\\Temp\\file.exe" file.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 5 ip-api.com -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\ms-settings\shell file.exe Key created \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\ms-settings\shell\open file.exe Set value (str) \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\ms-settings\shell\open\command\ file.exe Key created \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\ms-settings\shell\open\command file.exe Key created \REGISTRY\USER\S-1-5-21-523280732-2327480845-3730041215-1000_Classes\ms-settings file.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
pid Process 4792 file.exe 4752 powershell.exe 4752 powershell.exe 448 powershell.exe 448 powershell.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe 4792 file.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
description pid Process Token: SeDebugPrivilege 4792 file.exe Token: SeDebugPrivilege 4752 powershell.exe Token: SeDebugPrivilege 448 powershell.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe Token: SeIncBasePriorityPrivilege 4792 file.exe Token: 33 4792 file.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 4792 wrote to memory of 2744 4792 file.exe 85 PID 4792 wrote to memory of 2744 4792 file.exe 85 PID 4792 wrote to memory of 3092 4792 file.exe 87 PID 4792 wrote to memory of 3092 4792 file.exe 87 PID 2744 wrote to memory of 448 2744 cmd.exe 89 PID 2744 wrote to memory of 448 2744 cmd.exe 89 PID 3092 wrote to memory of 4752 3092 cmd.exe 90 PID 3092 wrote to memory of 4752 3092 cmd.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks computer location settings
- Adds Run key to start application
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4792 -
C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\file.exe & exit2⤵
- Suspicious use of WriteProcessMemory
PID:2744 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionPath C:\Users\Admin\AppData\Local\Temp\file.exe3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:448
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /k start /b powershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionExtension .exe & exit2⤵
- Suspicious use of WriteProcessMemory
PID:3092 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -inputformat none -outputformat none -NonInteractive -Command Add-MpPreference -ExclusionExtension .exe3⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4752
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C:\Windows\system32\wbem\WmiApSrv.exeC:\Windows\system32\wbem\WmiApSrv.exe1⤵PID:4244
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
2KB
MD5d85ba6ff808d9e5444a4b369f5bc2730
SHA131aa9d96590fff6981b315e0b391b575e4c0804a
SHA25684739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
SHA5128c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
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Filesize
64B
MD57ff9440dc25523a288d278b38add13a1
SHA1d67faf5afe85cacd9d816349f17ded3686ecf1a7
SHA256ac518124d3bd39440bfba66739f8fab57ff82ea778f707ea2c902b29efde0ee0
SHA5127116fcf6760a69efebfbffeba5abcfef903cc8647e142117023e022bb34c5fe6d1a35c727faab1e6d6505b2bd69689cf52f8ecef5253ca12d99d425021799911
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82