Analysis
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max time kernel
152s -
max time network
169s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
14-05-2022 13:50
Static task
static1
Behavioral task
behavioral1
Sample
28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe
Resource
win7-20220414-en
Behavioral task
behavioral2
Sample
28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe
Resource
win10v2004-20220414-en
General
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Target
28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe
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Size
139KB
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MD5
9b0d831c2f8640ba99b167a8198cc6a8
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SHA1
0dbd78d7572a27d49bba5e458fd314c7e2405d48
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SHA256
28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece
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SHA512
266a31d3af5ec80ed528a7e584c46ab6f013c148203da75bdeee0bd2fa7242152614700049f090f830774c7bcf54dc5738b4ec0657c879f9a9f6ab7244f84bd5
Malware Config
Signatures
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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.
Processes:
28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exedescription ioc process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe -
Loads dropped DLL 1 IoCs
Processes:
28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exepid process 1980 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exepid process 1980 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe 1108 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe -
Suspicious use of SetThreadContext 1 IoCs
Processes:
28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exedescription pid process target process PID 1980 set thread context of 1108 1980 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: MapViewOfSection 1 IoCs
Processes:
28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exepid process 1980 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exedescription pid process target process PID 1980 wrote to memory of 1108 1980 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe PID 1980 wrote to memory of 1108 1980 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe PID 1980 wrote to memory of 1108 1980 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe PID 1980 wrote to memory of 1108 1980 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe PID 1980 wrote to memory of 1108 1980 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe 28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe"C:\Users\Admin\AppData\Local\Temp\28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe"C:\Users\Admin\AppData\Local\Temp\28106556ae6c11dd40bcdbc70a846eeb898637559c1b5e41447d1d80c266eece.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtSetInformationThreadHideFromDebugger
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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\Users\Admin\AppData\Local\Temp\nsd4368.tmp\System.dllFilesize
12KB
MD5cff85c549d536f651d4fb8387f1976f2
SHA1d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
SHA2568dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
SHA512531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
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memory/1108-59-0x00000000004034F7-mapping.dmp
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memory/1108-62-0x0000000000400000-0x0000000001462000-memory.dmpFilesize
16.4MB
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memory/1108-63-0x00000000001C0000-0x00000000002C0000-memory.dmpFilesize
1024KB
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memory/1108-66-0x0000000076DF0000-0x0000000076F99000-memory.dmpFilesize
1.7MB
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memory/1108-67-0x0000000076FD0000-0x0000000077150000-memory.dmpFilesize
1.5MB
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memory/1980-54-0x0000000075BD1000-0x0000000075BD3000-memory.dmpFilesize
8KB
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memory/1980-56-0x0000000003970000-0x0000000003A87000-memory.dmpFilesize
1.1MB
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memory/1980-60-0x0000000076DF0000-0x0000000076F99000-memory.dmpFilesize
1.7MB
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memory/1980-61-0x0000000076FD0000-0x0000000077150000-memory.dmpFilesize
1.5MB