Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
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submitted
06-02-2025 06:23
General
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Target
4189edfc0aa08a91ae37b7d0cfd3c61eae29e8b72f800eb4740edebc4ba3f246.exe
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Size
540KB
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MD5
5e296704dc35eb43c3365d6492671262
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SHA1
1865af05a87698879496c739ca3a23abdbbbe2b4
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SHA256
4189edfc0aa08a91ae37b7d0cfd3c61eae29e8b72f800eb4740edebc4ba3f246
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SHA512
7617f1287c957845db63bc1fad2288e6d618ca6bd293bd0e92ef4e47aa35185936fe5a7e1a4e934c0ba4d9f4ed6da26b9bc8d0511e480015a514068b1c2ed59f
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SSDEEP
12288:9bLlN73eJi4xLlj5lJNTYRVV1zqaMLceQTi4GCk9/PxCGGd/9hKVZFDN:9bzSJikj5KN1zfMLceQ6Ck9/PxOd3KP
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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Loads dropped DLL 1 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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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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Drops file in Program Files 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 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 4 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\4189edfc0aa08a91ae37b7d0cfd3c61eae29e8b72f800eb4740edebc4ba3f246.exe"C:\Users\Admin\AppData\Local\Temp\4189edfc0aa08a91ae37b7d0cfd3c61eae29e8b72f800eb4740edebc4ba3f246.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\4189edfc0aa08a91ae37b7d0cfd3c61eae29e8b72f800eb4740edebc4ba3f246.exe"C:\Users\Admin\AppData\Local\Temp\4189edfc0aa08a91ae37b7d0cfd3c61eae29e8b72f800eb4740edebc4ba3f246.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
Loading Replay Monitor...
Downloads
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Filesize
12KB
MD5cff85c549d536f651d4fb8387f1976f2
SHA1d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA2568dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
SHA512531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
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Filesize
120KB
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Filesize
1.8MB
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Filesize
4KB
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Filesize
58.6MB
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Filesize
4KB
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Filesize
4KB
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Filesize
1.1MB
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Filesize
58.6MB
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Filesize
40KB
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Filesize
584KB
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Filesize
18.3MB
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Filesize
5.6MB
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Filesize
624KB
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Filesize
7.7MB
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Filesize
4KB
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Filesize
7.7MB
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Filesize
320KB
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Filesize
1.1MB
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Filesize
1.1MB
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Filesize
4KB