Analysis
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max time kernel
57s -
max time network
44s -
platform
windows11-21h2_x64 -
resource
win11-20250610-en -
resource tags
arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system -
submitted
02/07/2025, 19:22
Static task
static1
Behavioral task
behavioral1
Sample
RC7.SERVERSIDED.exe
Resource
win10v2004-20250619-en
Behavioral task
behavioral2
Sample
RC7.SERVERSIDED.exe
Resource
win11-20250610-en
General
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Target
RC7.SERVERSIDED.exe
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Size
88KB
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MD5
d87744a0c9f854cf03664a0ebfe9f992
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SHA1
5faa5ffafce5d18ff16d34fbae7b1ba4c7405890
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SHA256
d01eb5e055638b7c7268936da934b03b603b853a55fbbe7b571fb94e384301ce
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SHA512
4360a2a7de7445dd1550e9c8fc59fc873ba26e3b8ed1d8a5bc7953059b33a251bca7bf0e59ec437b30b7c3a2e2261c23d25013b1f30b73067e7bb9c900ddf2cf
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SSDEEP
1536:k07ftfkS5g9YOms+gZcQipICdXkNDqLLZX9lItVGL++eIOlnToIfew0:kKFfHgTWmCRkGbKGLeNTBfe1
Malware Config
Signatures
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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 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RC7.SERVERSIDED.exe -
Modifies registry class 2 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{4336a54d-038b-4685-ab02-99bb52d3fb8b}\Instance\ RC7.SERVERSIDED.exe Key created \REGISTRY\USER\S-1-5-21-903960561-1545645218-4290906778-1000_Classes\WOW6432Node\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\ RC7.SERVERSIDED.exe -
Suspicious use of WriteProcessMemory 2 IoCs
description pid Process procid_target PID 3604 wrote to memory of 5072 3604 RC7.SERVERSIDED.exe 83 PID 3604 wrote to memory of 5072 3604 RC7.SERVERSIDED.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\RC7.SERVERSIDED.exe"C:\Users\Admin\AppData\Local\Temp\RC7.SERVERSIDED.exe"1⤵
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3604 -
C:\Windows\system32\cmd.exe"C:\Windows\sysnative\cmd" /c "C:\Users\Admin\AppData\Local\Temp\7E19.tmp\7E1A.tmp\7E2B.bat C:\Users\Admin\AppData\Local\Temp\RC7.SERVERSIDED.exe"2⤵PID:5072
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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Filesize
13B
MD5c918928b3808b2aeebfcaa06592a5bcf
SHA1d83f78a695ceed8f24c7f5bb0b1e77069dca7f99
SHA2567f25f034c711c847a530736317a936d77f6145d6a8e9b9b71b9ff2bc69f7df52
SHA51230d59baccd8e68cc1abfe786b1e4520b7b97a74d24a1a797e152290f2ffdaac5a51a30ad850b1cc2c9cd841f8f22373b12253994658826425910067aead91915