Analysis
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max time kernel
146s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
11-01-2025 02:37
General
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Target
26194afcbac0da3df930c4d161f1245da3c8dfb56cb2a142104bc4ef633bceb5.exe
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Size
445KB
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MD5
a19ab2b228f001f8507e2f4e20eee8c9
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SHA1
22eb01f357eb0e718d6c686d88902f1179a4674f
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SHA256
26194afcbac0da3df930c4d161f1245da3c8dfb56cb2a142104bc4ef633bceb5
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SHA512
5e0363f725bdd7027c7c3fd9a5fa63bd32e2a5d285824ac70405942ab0aea014cf5daae98979816692571405d89c1f1b88a8c6d143924af6cc3592b3a40c394e
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SSDEEP
12288:I5Ag3K5G2YSEWFup7itYESLeYu7Jj1JK8s5FEeKy:Zg65vYSEWFoDu7Jj1JiceX
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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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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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\26194afcbac0da3df930c4d161f1245da3c8dfb56cb2a142104bc4ef633bceb5.exe"C:\Users\Admin\AppData\Local\Temp\26194afcbac0da3df930c4d161f1245da3c8dfb56cb2a142104bc4ef633bceb5.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- 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\26194afcbac0da3df930c4d161f1245da3c8dfb56cb2a142104bc4ef633bceb5.exe"C:\Users\Admin\AppData\Local\Temp\26194afcbac0da3df930c4d161f1245da3c8dfb56cb2a142104bc4ef633bceb5.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
11KB
MD5ee260c45e97b62a5e42f17460d406068
SHA1df35f6300a03c4d3d3bd69752574426296b78695
SHA256e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
SHA512a98f350d17c9057f33e5847462a87d59cbf2aaeda7f6299b0d49bb455e484ce4660c12d2eb8c4a0d21df523e729222bbd6c820bf25b081bc7478152515b414b3
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Filesize
17.9MB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
17.9MB
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Filesize
17.9MB
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Filesize
4KB
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Filesize
4KB
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Filesize
17.9MB
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Filesize
18.3MB
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Filesize
120KB
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Filesize
5.6MB
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Filesize
624KB
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Filesize
584KB
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Filesize
320KB
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Filesize
1.1MB
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Filesize
1.8MB
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Filesize
40KB