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Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
06/02/2025, 06:27
General
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Target
49847b4c6e5cccca50beccf23260cac3d3446feb0692cd113302b2fcaccbbefe.exe
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Size
743KB
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MD5
92bca263fe2c4f6d7621457b5a758854
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SHA1
81b5228c17dbcde2803f07e68fc2aeae907e2cf4
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SHA256
49847b4c6e5cccca50beccf23260cac3d3446feb0692cd113302b2fcaccbbefe
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SHA512
de9dea96a5d438f780a3e46fe3bdf0ab77f2f2131eeb2b01cbf98d69a573e3b0af994ed89e506725c0d14465001eb5f7660a4161a05995d1d6491929e32a538c
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SSDEEP
12288:dT58++c2/p0FdmxxSKA+Rh8LYHjmLmyj/fzPzTyWaLj0wclOp24g/KHZJ:dT58+86wxx5A+Rh2YDmtHzTI30Mp7J
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 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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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\49847b4c6e5cccca50beccf23260cac3d3446feb0692cd113302b2fcaccbbefe.exe"C:\Users\Admin\AppData\Local\Temp\49847b4c6e5cccca50beccf23260cac3d3446feb0692cd113302b2fcaccbbefe.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\49847b4c6e5cccca50beccf23260cac3d3446feb0692cd113302b2fcaccbbefe.exe"C:\Users\Admin\AppData\Local\Temp\49847b4c6e5cccca50beccf23260cac3d3446feb0692cd113302b2fcaccbbefe.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
MD5d968cb2b98b83c03a9f02dd9b8df97dc
SHA1d784c9b7a92dce58a5038beb62a48ff509e166a0
SHA256a4ec98011ef99e595912718c1a1bf1aa67bfc2192575729d42f559d01f67b95c
SHA5122ee41dc68f329a1519a8073ece7d746c9f3bf45d8ef3b915deb376af37e26074134af5f83c8af0fe0ab227f0d1acca9f37e5ca7ae37c46c3bcc0331fe5e2b97e
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Filesize
12.4MB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
12.4MB
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Filesize
12.4MB
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Filesize
4KB
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Filesize
4KB
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Filesize
12.4MB
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Filesize
18.3MB
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Filesize
1.1MB
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Filesize
12.4MB
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Filesize
120KB
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Filesize
5.6MB
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Filesize
624KB
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Filesize
320KB
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Filesize
1.8MB
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Filesize
584KB
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Filesize
40KB