Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Aug. 17, 2021, 2:43 p.m.	Aug. 17, 2021, 2:43 p.m.

Size	672.5KB
Type	PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5	`37e26534b70abd664cfed4961ad6ecbf`
SHA256	`22068c7cbb40c3149b694b5fca1675d95e7e12509b36fa37350c194737c6c1f9`
CRC32	`C69606EB`
ssdeep	`12288:T8F4fHXi7upUbuedoBYi5SG//xm6e2vJQbPzSzTu1XLxh2w:g4aCdsjmHxw2vJ8S2FX2`
Yara	PE_Header_Zero - PE File Signature OS_Processor_Check_Zero - OS Processor Check IsDLL - (no description) BazarLoader_IN - BazarLoader UPX_Zero - UPX packed file IsPE32 - (no description)

rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\2.dll,DllRegisterServer
112
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\2.dll,
2076

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 (1 event)

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Aug. 17, 2021, 2:43 p.m.			0	0

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

Time & API	Arguments	Status
NtProtectVirtualMemory Aug. 17, 2021, 2:43 p.m.	process_identifier: 112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x737ba000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 17, 2021, 2:43 p.m.	process_identifier: 112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x756a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 17, 2021, 2:43 p.m.	process_identifier: 112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73d21000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 17, 2021, 2:43 p.m.	process_identifier: 112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x73cb0000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 17, 2021, 2:43 p.m.	process_identifier: 112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72af1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 17, 2021, 2:43 p.m.	process_identifier: 112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72ab4000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 17, 2021, 2:43 p.m.	process_identifier: 112 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x72af2000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Aug. 17, 2021, 2:43 p.m.	process_identifier: 112 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

File has been identified by 6 AntiVirus engines on VirusTotal as malicious (6 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.37e26534b70abd66
Sangfor	Trojan.Win32.Save.a
Microsoft	Trojan:Win32/Wacatac.B!ml
Cynet	Malicious (score: 100)
SentinelOne	Static AI - Suspicious PE

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

section

{u'size_of_data': u'0x00088400', u'virtual_address': u'0x00001000', u'entropy': 6.812440377554143, u'name': u'.text', u'virtual_size': u'0x00088333'}

entropy

6.81244037755

description

A section with a high entropy has been found

entropy

0.811615785555

description

Overall entropy of this PE file is high

2.dll

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