Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	June 24, 2021, 7:29 p.m.	June 24, 2021, 8:11 p.m.

Size	35.5KB
Type	PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5	`745ddcaf6007f1db6092c35c3e878588`
SHA256	`56646404670e3f95d297100557a7a18dcc87f2232aa6f0b15cac0ef9b2d344c1`
CRC32	`CDACE49A`
ssdeep	`768:veo065fJW/WfcwnBsSUfNqhI30eDUExixIa:2d6FJW+0k0FkxESIa`
Yara	PE_Header_Zero - PE File Signature IsDLL - (no description) IsPE32 - (no description)

rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\195146tst.dll,AserSec
2548
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\195146tst.dll,TstSec
2388
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\195146tst.dll,
2240

Name	Response	Post-Analysis Lookup
No hosts contacted.

IP Address	Status	Action
164.124.101.2	Active	Moloch

Suricata Alerts

No Suricata Alerts

Suricata TLS

No Suricata TLS

Checks if process is being debugged by a debugger (2 events)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent June 24, 2021, 7:29 p.m.			0	0
IsDebuggerPresent June 24, 2021, 7:29 p.m.			0	0

The executable contains unknown PE section names indicative of a packer (could be a false positive) (1 event)

section

AUTO

Allocates read-write-execute memory (usually to unpack itself) (12 events)

Time & API	Arguments	Status
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73d40000 process_handle: 0xffffffff	1
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73771000 process_handle: 0xffffffff	1
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73ca1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72b94000 process_handle: 0xffffffff	1
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73772000 process_handle: 0xffffffff	1
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73c81000 process_handle: 0xffffffff	1
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2388 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73d40000 process_handle: 0xffffffff	1
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2388 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73771000 process_handle: 0xffffffff	1
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2388 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x736e1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2388 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73cf4000 process_handle: 0xffffffff	1
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2388 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73772000 process_handle: 0xffffffff	1
NtProtectVirtualMemory June 24, 2021, 7:29 p.m.	process_identifier: 2388 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73c71000 process_handle: 0xffffffff	1

The binary likely contains encrypted or compressed data indicative of a packer (2 events)

section

{u'size_of_data': u'0x00008400', u'virtual_address': u'0x00001000', u'entropy': 7.680993700205779, u'name': u'AUTO', u'virtual_size': u'0x0000823a'}

entropy

7.68099370021

description

A section with a high entropy has been found

entropy

0.95652173913

description

Overall entropy of this PE file is high

195146tst.dll

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