Analysis
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max time kernel
150s -
max time network
153s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
04-11-2024 08:48
Static task
static1
Behavioral task
behavioral1
Sample
upd.ps1
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
upd.ps1
Resource
win10v2004-20241007-en
General
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Target
upd.ps1
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Size
1KB
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MD5
901388115be5c8209d83642d8d5d9b51
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SHA1
d2293a97b9772328bb60e822027063deffba0c4d
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SHA256
b54e7cd114b771b8b81e8c9b461ab611c3a5fddc575bdf1da132f5863c5d1e72
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SHA512
798c57ea2b8cce8fc050ac4bdb2b054bfa8b808c404dafcfa4b423ec1197e11a7150a12578963a0b5b863c465a705cc618e7d00c168635ffc6eb60f118a46d1c
Malware Config
Extracted
phemedrone
https://api.telegram.org/bot8091768794:AAFZsJ1h-6BiszgyLm-eH6c-uITQ7Z99Wbc/sendDocument
Signatures
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Phemedrone
An information and wallet stealer written in C#.
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Phemedrone family
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Blocklisted process makes network request 1 IoCs
Processes:
powershell.exeflow pid process 6 2352 powershell.exe -
Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
WDSecureUtility_408.exepid process 1708 WDSecureUtility_408.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 3 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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Suspicious behavior: EnumeratesProcesses 30 IoCs
Processes:
powershell.exeWDSecureUtility_408.exepid process 2352 powershell.exe 2352 powershell.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe 1708 WDSecureUtility_408.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
powershell.exeWDSecureUtility_408.exedescription pid process Token: SeDebugPrivilege 2352 powershell.exe Token: SeDebugPrivilege 1708 WDSecureUtility_408.exe -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
powershell.exedescription pid process target process PID 2352 wrote to memory of 1708 2352 powershell.exe WDSecureUtility_408.exe PID 2352 wrote to memory of 1708 2352 powershell.exe WDSecureUtility_408.exe
Processes
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\upd.ps11⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2352 -
C:\Users\Admin\AppData\Roaming\WDSecureUtility_408.exe"C:\Users\Admin\AppData\Roaming\WDSecureUtility_408.exe" -pkek -aoa -y2⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1708
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
235KB
MD50ff0576f91e4f548ca0d223462b2586c
SHA1d9d79541127febdb03e0c0de663d42b4b33fead9
SHA25610273f0f52aecaaf9688f7bbc250bc1e75c3cfd054831c78fffadadfb65d07a6
SHA5120c41762e9967aac27f9d064ef89e6c8cc145d906fcfa1f6420add3bc13e0b8d4c6fe62e828aec555722f90a98b7b6cba73ec3799ebf1d0a40fab3f191bdad1e2