Analysis
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max time kernel
149s -
max time network
154s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
24-12-2024 21:06
General
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Target
Request for Quote (Waseda University) 29- 08-2022.exe
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Size
386KB
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MD5
57dd0d5b582b77fe0db6cd2ff534d111
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SHA1
f6a2918ba6db524cc896032dec6c13b28568034b
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SHA256
e6c1d9067860b964caffc333a92de4310d5ddb39a46502b31d82c609e29dfb4d
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SHA512
4bb5479e1a672db6ffae2b486b4751587186700de4b00bf1339d2900b8615e76e2f0b26267ca6be3b95da49786a5f675480b7898d641a24479a3f3cf667a57b4
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SSDEEP
12288:l2E8Vg94jx6X4RgjWoqnr8sTQ8AoXhRVV6KY3:l1oU4j2ygS/nQqQ8AoRRe/
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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Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
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Loads dropped DLL 2 IoCs
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Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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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Drops file in Windows 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: MapViewOfSection 1 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Request for Quote (Waseda University) 29- 08-2022.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quote (Waseda University) 29- 08-2022.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Windows directory
- 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 Quote (Waseda University) 29- 08-2022.exe"C:\Users\Admin\AppData\Local\Temp\Request for Quote (Waseda University) 29- 08-2022.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
67KB
MD59d6394107e64698376114b0f51a86489
SHA10321c9408d5a3f95520860732cd3906a506daabe
SHA256b818f87c127d6319aafd6b0826c809bcc4e0e1fdcc41c9aa0d1cc003246c6b48
SHA512b6f6a99a9dcb78c1410d1b351a5df2e4eb4d43499f8d12639e5acc516c5416d268ca0fa64b0d191b6918ed12b461c68a8b58bc0a85237f3914d75f0198719b52
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Filesize
11KB
MD575ed96254fbf894e42058062b4b4f0d1
SHA1996503f1383b49021eb3427bc28d13b5bbd11977
SHA256a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
SHA51258174896db81d481947b8745dafe3a02c150f3938bb4543256e8cce1145154e016d481df9fe68dac6d48407c62cbe20753320ebd5fe5e84806d07ce78e0eb0c4
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Filesize
1.7MB
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Filesize
16.4MB
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Filesize
16.4MB
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Filesize
16.4MB
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Filesize
1.2MB
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Filesize
1.2MB
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Filesize
1.0MB
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Filesize
1.7MB
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Filesize
1.2MB