Analysis
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max time kernel
149s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20250313-en -
resource tags
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submitted
17/04/2025, 07:28
General
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Target
Petronas Quotation -246370086_pdf.exe
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Size
1.2MB
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MD5
30f39cfe49af11f14c6ee920fdcfd78c
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SHA1
1b98ae340d429d8c5114229056244e9b80c9898f
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SHA256
7f2ebd49700ea7001b02a13970c52892313e04f377b0383e6911241db5c3c24b
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SHA512
f9f0494ae7e4a7f9591bd8d97d3f014968cd85a2e89ef20ea68bbd5a68681c61dde84ce2b7674a15cbafffc8bbfc838934b8bcd9d13c8babfae2dad4d38fe132
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SSDEEP
24576:4P2+AZd5sn8hNNpC70nH2XgDB3Z2fLhhr8ga1ck8KIQDCfdj56khw9PpO9TfrzLw:i2+MUiXC4n/t3AfL/rxk8TQD089Pp4vw
Malware Config
Signatures
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DarkCloud
An information stealer written in Visual Basic.
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Darkcloud family
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 1 IoCs
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Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
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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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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Drops file in System32 directory 1 IoCs
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Drops file in Program Files directory 2 IoCs
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Drops file in Windows directory 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Kills process with taskkill 1 IoCs
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
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Suspicious use of FindShellTrayWindow 1 IoCs
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Suspicious use of SetWindowsHookEx 1 IoCs
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Suspicious use of WriteProcessMemory 7 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Petronas Quotation -246370086_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Petronas Quotation -246370086_pdf.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Petronas Quotation -246370086_pdf.exe"C:\Users\Admin\AppData\Local\Temp\Petronas Quotation -246370086_pdf.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\taskkill.exetaskkill /f /im chrome.exe3⤵
- System Location Discovery: System Language Discovery
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
1Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
11KB
MD5960a5c48e25cf2bca332e74e11d825c9
SHA1da35c6816ace5daf4c6c1d57b93b09a82ecdc876
SHA256484f8e9f194ed9016274ef3672b2c52ed5f574fb71d3884edf3c222b758a75a2
SHA512cc450179e2d0d56aee2ccf8163d3882978c4e9c1aa3d3a95875fe9ba9831e07ddfd377111dc67f801fa53b6f468a418f086f1de7c71e0a5b634e1ae2a67cd3da
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Filesize
24B
MD598a833e15d18697e8e56cdafb0642647
SHA1e5f94d969899646a3d4635f28a7cd9dd69705887
SHA256ff006c86b5ec033fe3cafd759bf75be00e50c375c75157e99c0c5d39c96a2a6c
SHA512c6f9a09d9707b770dbc10d47c4d9b949f4ebf5f030b5ef8c511b635c32d418ad25d72eee5d7ed02a96aeb8bf2c85491ca1aa0e4336d242793c886ed1bcdd910b
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Filesize
619B
MD59d22916b3580fe16028439183fcce4eb
SHA13c6482f3d15cf3dc72d854064a8621d04df58420
SHA256fbd486014f7ad227d2722ef80546df2462e91f2c49aebce7503a36ef6548e61e
SHA51240f34915907ad15f81d37074258e6d5492074a93ecc84ef85a6fabdabeb34623b3730b7f938d8e8ea0b130402508bda5a6105df16a9d3523327e1ce345dfe6ce
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Filesize
36B
MD5dbb3cc6cadd24636b4360ed61f0edbd2
SHA1b8fbdfe19241066a41cf6c5444ad5a47e4c20490
SHA256c8f7aaf341963727e04401a1122952d42414b91408b1a32f404647a72a1366e3
SHA5122e1c1ba836f9ca9b69e33073e88efd0ea58e0071f718542fbeead50167df191398e0a67c06d93fbdbafa2a67bfb587edf252c1928dbbd8e06f9df8a178239596
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Filesize
36.9MB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
1.1MB
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Filesize
18.3MB
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Filesize
36.9MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
36.9MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB
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Filesize
18.3MB