Analysis
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max time kernel
146s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
09-12-2024 07:30
General
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Target
Request for Quotation New collaboration.exe
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Size
710KB
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MD5
1e4847dd3c262a4303261601f0197a42
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SHA1
eaa9a7dbdf8211dbe248b739480e349c0fb56583
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SHA256
cb076958b9db298f34a9eeaafc4796f6d902b19b1696b76179db10612d371608
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SHA512
76620c6decf9b5ae48ddf5eda391081d568a0de7e6d87c814040614000d9b1f989466ec8a8ea9395dd45ea927a77c2f3bc848bf8910ad578bef31299801b312d
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SSDEEP
12288:xlYZmcRHOAXnPlX1V6loPrHA8P4xq0xnVBTjJ:UmcdOA3PlXularHbP4xfxPJ
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 1 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\Request for Quotation New collaboration.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quotation New collaboration.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\Request for Quotation New collaboration.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quotation New collaboration.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
MD5fc90dfb694d0e17b013d6f818bce41b0
SHA13243969886d640af3bfa442728b9f0dff9d5f5b0
SHA2567fe77ca13121a113c59630a3dba0c8aaa6372e8082393274da8f8608c4ce4528
SHA512324f13aa7a33c6408e2a57c3484d1691ecee7c3c1366de2bb8978c8dc66b18425d8cab5a32d1702c13c43703e36148a022263de7166afdce141da2b01169f1c6
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Filesize
50.8MB
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Filesize
1.1MB
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Filesize
4KB
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Filesize
50.8MB
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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
1.8MB
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Filesize
40KB