Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	May 3, 2023, 4:08 p.m.	May 3, 2023, 4:08 p.m.

Size	5.5MB
Type	PE32 executable (DLL) (GUI) Intel 80386, for MS Windows
MD5	`9c99486ea32b953883160b8681b37ff7`
SHA256	`a267915fd52dbfd9f5dd6b7292fec7ff70e0050d1e7000da66df1b5b4b3388ef`
CRC32	`E23BCFF4`
ssdeep	`98304:0uSTLHi3wXQh5ZPWG+x7boZEnylFYCA1H8kFUp2G4B8nWVyve6b+wp8bjca:0luCQh5ZPgx4EylFYhckFS2G46ngO+wK`
Yara	IsDLL - (no description) IsPE32 - (no description) PE_Header_Zero - PE File Signature VMProtect_Zero - VMProtect packed file Malicious_Library_Zero - Malicious_Library

rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\vpm.dll,SendMsg
2548
rundll32.exe "C:\Windows\System32\rundll32.exe" C:\Users\test22\AppData\Local\Temp\vpm.dll,
2632

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 May 3, 2023, 4:08 p.m.			0	0

Checks amount of memory in system, this can be used to detect virtual machines that have a low amount of memory available (1 event)

Time & API	Arguments	Status	Return	Repeated
GlobalMemoryStatusEx May 3, 2023, 4:08 p.m.		1	1	0

The executable contains unknown PE section names indicative of a packer (could be a false positive) (2 events)

section	.vmp0
section	.vmp1

Allocates read-write-execute memory (usually to unpack itself) (20 events)

Time & API	Arguments	Status
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x108cb000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x73641000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x73c21000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory May 3, 2023, 4:08 p.m.	process_identifier: 2548 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00360000 allocation_type: 12288 (MEM_COMMIT\|MEM_RESERVE) process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x75bf1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x735d0000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x75d41000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x75e61000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x76161000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x73bc1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x73951000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x73941000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x73921000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x735b1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x734c1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x73431000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x733f4000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x734c2000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x73561000 process_handle: 0xffffffff	1
NtProtectVirtualMemory May 3, 2023, 4:08 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: 0x73551000 process_handle: 0xffffffff	1

Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) (1 event)

Time & API	Arguments	Status	Return	Repeated
NtProtectVirtualMemory May 3, 2023, 4:08 p.m.	process_identifier: 2548 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 length: 4096 protection: 32 (PAGE_EXECUTE_READ) base_address: 0x00360000 process_handle: 0xffffffff	1	0	0

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

section

{u'size_of_data': u'0x00586e00', u'virtual_address': u'0x003a3000', u'entropy': 7.959631416293539, u'name': u'.vmp1', u'virtual_size': u'0x00586d30'}

entropy

7.95963141629

description

A section with a high entropy has been found

entropy

0.999470198675

description

Overall entropy of this PE file is high

The executable is likely packed with VMProtect (2 events)

section	.vmp0				description	Section name indicates VMProtect
section	.vmp1				description	Section name indicates VMProtect

File has been identified by 18 AntiVirus engines on VirusTotal as malicious (18 events)

Bkav	W32.AIDetect.malware2
Elastic	malicious (high confidence)
FireEye	Generic.mg.9c99486ea32b9538
Cylance	Unsafe
CrowdStrike	win/malicious_confidence_90% (W)
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of Win32/Packed.VMProtect.ACR
APEX	Malicious
Paloalto	generic.ml
Avast	Win32:Trojan-gen
Sophos	Generic ML PUA (PUA)
Zillya	Trojan.VMProtect.Win32.60688
McAfee-GW-Edition	BehavesLike.Win32.Generic.tc
AhnLab-V3	Trojan/Win.Agent.R461521
McAfee	Artemis!9C99486EA32B
Rising	Trojan.Generic@AI.82 (RDML:/LzkDLhcVlVXOiiuel7PXQ)
BitDefenderTheta	Gen:NN.ZedlaF.34638.@F8@aeZOldei
AVG	Win32:Trojan-gen

vpm.dll

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