Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
11-01-2025 03:34
General
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Target
5fd6c5f71c6fdda582775fa5822b5ed0af1e5dc9431c06d453752a6bcbbe359a.exe
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Size
956KB
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MD5
2275024102505f0997f027c71970750d
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SHA1
10a4feb8f216f86caa840ff85ba02c85e00e8665
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SHA256
5fd6c5f71c6fdda582775fa5822b5ed0af1e5dc9431c06d453752a6bcbbe359a
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SHA512
1ebf7e71b121a3102d2de3c756761fe7e2efae90b2561912886da7d8a43fe9fcf29322d5f239cd21614847d9ec3c519b2d2a1213252cf3e1ee5dc622d4e24182
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SSDEEP
24576:9jwKCNRVJ13mzBqtejjs3RgG9vWciasTKafa0aULP:V1CLFyqtukfiaJaCUP
Malware Config
Signatures
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Guloader family
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Disables Task Manager via registry modification
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Loads dropped DLL 2 IoCs
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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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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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 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 2 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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Suspicious behavior: EnumeratesProcesses 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 WriteProcessMemory 5 IoCs
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outlook_office_path 1 IoCs
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outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5fd6c5f71c6fdda582775fa5822b5ed0af1e5dc9431c06d453752a6bcbbe359a.exe"C:\Users\Admin\AppData\Local\Temp\5fd6c5f71c6fdda582775fa5822b5ed0af1e5dc9431c06d453752a6bcbbe359a.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\5fd6c5f71c6fdda582775fa5822b5ed0af1e5dc9431c06d453752a6bcbbe359a.exe"C:\Users\Admin\AppData\Local\Temp\5fd6c5f71c6fdda582775fa5822b5ed0af1e5dc9431c06d453752a6bcbbe359a.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
12KB
MD50d7ad4f45dc6f5aa87f606d0331c6901
SHA148df0911f0484cbe2a8cdd5362140b63c41ee457
SHA2563eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
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Filesize
5.6MB
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Filesize
14.5MB
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Filesize
1.1MB
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Filesize
40KB
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Filesize
18.3MB
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Filesize
4KB
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Filesize
4KB
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Filesize
120KB
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Filesize
1.8MB
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Filesize
320KB
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Filesize
14.5MB
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Filesize
584KB
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Filesize
624KB
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Filesize
14.5MB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
14.5MB