Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	Sept. 21, 2024, 1:45 p.m.	Sept. 21, 2024, 1:48 p.m.

Size	3.0MB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`1fedf314d7c5ed06ff6833c9c8fe5441`
SHA256	`279af267d365013227156575dcf61b6977ce4051dd4632515bd224314cea7c59`
CRC32	`97AB624E`
ssdeep	`49152:9f8m3F6fh7gW5YPOAfS7kALAcRbqIvKzHuXtkHZC1:9kmnW5mOkSgiRbIitk5I`
PDB Path	day2_mixApp.pdb
Yara	Malicious_Library_Zero - Malicious_Library PE_Header_Zero - PE File Signature Is_DotNET_EXE - (no description) Win32_Trojan_PWS_Net_1_Zero - Win32 Trojan PWS .NET Azorult IsPE32 - (no description) UPX_Zero - UPX packed file OS_Processor_Check_Zero - OS Processor Check

66ed9885d9aee_Day2.exe "C:\Users\test22\AppData\Local\Temp\66ed9885d9aee_Day2.exe"
2564

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

Queries for the computername (2 events)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameA Sept. 21, 2024, 1:46 p.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameW Sept. 21, 2024, 1:46 p.m.	computer_name: TEST22-PC	1	1	0

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

Time & API	Arguments	Status	Return	Repeated
IsDebuggerPresent Sept. 21, 2024, 1:45 p.m.			0	0
IsDebuggerPresent Sept. 21, 2024, 1:45 p.m.			0	0
IsDebuggerPresent Sept. 21, 2024, 1:46 p.m.			0	0
IsDebuggerPresent Sept. 21, 2024, 1:46 p.m.			0	0

This executable has a PDB path (1 event)

pdb_path

day2_mixApp.pdb

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 Sept. 21, 2024, 1:45 p.m.		1	1	0

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

section

.sdata

The file contains an unknown PE resource name possibly indicative of a packer (3 events)

resource name	IMAGE
resource name	TYPELIB
resource name	None

Allocates read-write-execute memory (usually to unpack itself) (16 events)

Time & API	Arguments	Status
NtAllocateVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 region_size: 983040 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00430000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x004e0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a1000 process_handle: 0xffffffff	1
NtProtectVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x727a2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 region_size: 1179648 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00610000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006f0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002b2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002e5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002eb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002e7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002cc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:45 p.m.	process_identifier: 2564 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:46 p.m.	process_identifier: 2564 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b1000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:46 p.m.	process_identifier: 2564 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002ba000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:46 p.m.	process_identifier: 2564 region_size: 20480 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory Sept. 21, 2024, 1:46 p.m.	process_identifier: 2564 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x006b7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

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

section

{u'size_of_data': u'0x00290a00', u'virtual_address': u'0x00002000', u'entropy': 7.29957998432019, u'name': u'.text', u'virtual_size': u'0x002909f4'}

entropy

7.29957998432

description

A section with a high entropy has been found

entropy

0.856374307141

description

Overall entropy of this PE file is high

File has been identified by 12 AntiVirus engines on VirusTotal as malicious (12 events)

Bkav	W32.AIDetectMalware.CS
Symantec	ML.Attribute.HighConfidence
Elastic	malicious (high confidence)
ESET-NOD32	a variant of MSIL/Kryptik.AMGY
APEX	Malicious
ClamAV	Win.Packed.Malwarex-10033462-0
Trapmine	suspicious.low.ml.score
SentinelOne	Static AI - Malicious PE
Google	Detected
Microsoft	Trojan:Win32/Sabsik.FL.B!ml
Ikarus	Trojan.MSIL.Injector
MaxSecure	Trojan.Malware.300983.susgen

66ed9885d9aee_Day2.exe

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