Analysis
- max time kernel
149s - max time network
144s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
- submitted
01/08/2026, 14:36
General
- Target RC7.exe
- Size 3.9MB
- Sample260801-ry3eeabh78
- SHA256 27db524e45cbdba4ef9be81e5520f9e02609eedc629751f89cd72d0b343c6c26
Malware Config
Signatures
- Downloads MZ/PE file 6 IoCs
- Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Loads dropped DLL 6 IoCs
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
- Delays execution with timeout.exe 7 IoCs
- Enumerates system info in registry 2 TTPs 3 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious use of AdjustPrivilegeToken 5 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\RC7.exe"C:\Users\Admin\AppData\Local\Temp\RC7.exe"1⤵
- Downloads MZ/PE file
- Checks BIOS information in registry
- Loads dropped DLL
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe"C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /target:exe /out:"C:\Users\Admin\AppData\Local\Temp\RC7.exe" "C:\Users\Admin\AppData\Local\Temp\guardian_src_2fc20299d75248359f4004c27c9c3962.cs"2⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exeC:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES8DC4.tmp" "c:\Users\Admin\AppData\Local\Temp\CSCD110A97E5A404094A1CE20DEF55A1C7B.TMP"3⤵
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C:\Windows\SYSTEM32\cmd.exe"cmd.exe" /c "C:\Users\Admin\AppData\Local\Temp\rc7_bootstrap.bat"2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\mode.commode con: cols=80 lines=253⤵
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C:\Windows\system32\chcp.comchcp 650013⤵
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C:\Windows\system32\timeout.exetimeout /t 2 /nobreak3⤵
- Delays execution with timeout.exe
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C:\Windows\system32\timeout.exetimeout /t 3 /nobreak3⤵
- Delays execution with timeout.exe
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C:\Windows\system32\timeout.exetimeout /t 8 /nobreak3⤵
- Delays execution with timeout.exe
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C:\Windows\system32\timeout.exetimeout /t 6 /nobreak3⤵
- Delays execution with timeout.exe
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C:\Windows\system32\timeout.exetimeout /t 3 /nobreak3⤵
- Delays execution with timeout.exe
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C:\Windows\system32\timeout.exetimeout /t 2 /nobreak3⤵
- Delays execution with timeout.exe
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C:\Windows\system32\timeout.exetimeout /t 3 /nobreak3⤵
- Delays execution with timeout.exe
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C:\Program Files\7-Zip\7z.exe"C:\Program Files\7-Zip\7z.exe" x "C:\RC7\Old Scripts\old scripts.rar" -o"C:\RC7\Old Scripts" -y2⤵
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
Ganexius.txt
Grasp Of Midas.txt
Hyacintho Flamma Poenos.txt
old scripts.rar
RES8DC4.tmp
rc7_bootstrap.bat
libcrypto-3-x64.dll
libcurl.dll
libssl-3-x64.dll
niggakernel.dll
zlib1.dll
CSCD110A97E5A404094A1CE20DEF55A1C7B.TMP
guardian_src_2fc20299d75248359f4004c27c9c3962.cs
memory/4124-59-0x0000000001E20000-0x0000000001E32000-memory.dmp
memory/4124-1388-0x0000000001E40000-0x0000000001E48000-memory.dmp
memory/4124-1389-0x0000000021490000-0x00000000216A2000-memory.dmp
memory/4124-1-0x000000001CF40000-0x000000001CF50000-memory.dmp
memory/4124-2-0x000000001D350000-0x000000001D622000-memory.dmp
memory/4124-0-0x0000000000F90000-0x0000000001384000-memory.dmp
memory/4124-13-0x000000001CF40000-0x000000001CF50000-memory.dmp
memory/4124-10-0x0000000001DB0000-0x0000000001DBA000-memory.dmp