Summary | ZeroBOX

Category	Machine	Started	Completed
FILE	s1_win7_x6401	July 28, 2023, 10:22 a.m.	July 28, 2023, 10:26 a.m.

Size	174.0KB
Type	PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
MD5	`b05e3ab4699177f4dcad8e34ceda8efb`
SHA256	`3f48c70b0b15437fcbc386995c3c13cc62a2193b42ff8ecb7db4aff28cec9254`
CRC32	`B3345EB7`
ssdeep	`1536:7AcAY1c9wqvnAv77vvvvv7vvvvvvv7vvvvv64+mhhhm+DtqOg/:H+9wqY+mhhhmitqOs`
PDB Path	NMOLo.pdb
Yara	Is_DotNET_EXE - (no description) PE_Header_Zero - PE File Signature ConfuserEx_Zero - Confuser .NET IsPE32 - (no description)

secbobbyzx.exe "C:\Users\test22\AppData\Local\Temp\secbobbyzx.exe"
2624

Name	Response	Post-Analysis Lookup
apps.identrust.com	A 121.254.136.27 CNAME a1952.dscq.akamai.net CNAME identrust.edgesuite.net	23.50.121.137
transfer.sh	A 144.76.136.153	144.76.136.153

IP Address	Status	Action
121.254.136.27	Active	Moloch
144.76.136.153	Active	Moloch
164.124.101.2	Active	Moloch

Suricata Alerts

Flow	SID	Signature	Category
UDP 192.168.56.101:54148 -> 164.124.101.2:53	2034316	ET POLICY Observed DNS Query to File Transfer Service Domain (transfer .sh)	Potentially Bad Traffic
UDP 192.168.56.101:54148 -> 164.124.101.2:53	2035139	ET INFO Commonly Abused File Sharing Site Domain Observed (transfer .sh in DNS Lookup)	Misc activity
UDP 192.168.56.101:54148 -> 8.8.8.8:53	2034316	ET POLICY Observed DNS Query to File Transfer Service Domain (transfer .sh)	Potentially Bad Traffic
UDP 192.168.56.101:54148 -> 8.8.8.8:53	2035139	ET INFO Commonly Abused File Sharing Site Domain Observed (transfer .sh in DNS Lookup)	Misc activity
TCP 192.168.56.101:49163 -> 144.76.136.153:443	2035145	ET INFO Commonly Abused File Sharing Site Domain Observed (transfer .sh in TLS SNI)	Misc activity
TCP 192.168.56.101:49163 -> 144.76.136.153:443	906200022	SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)	undefined
TCP 144.76.136.153:443 -> 192.168.56.101:49163	2033076	ET POLICY Observed File Transfer Service SSL/TLS Certificate (transfer .sh)	Potential Corporate Privacy Violation

Suricata TLS

Flow	Issuer	Subject	Fingerprint
TLS 1.2 192.168.56.101:49163 144.76.136.153:443	C=US, O=Let's Encrypt, CN=R3	CN=transfer.sh	a7:89:64:18:ce:56:53:c8:db:2d:45:3c:9f:cf:98:1a:40:91:1c:e2

Queries for the computername (2 events)

Time & API	Arguments	Status	Return	Repeated
GetComputerNameA July 28, 2023, 10:22 a.m.	computer_name: TEST22-PC	1	1	0
GetComputerNameW July 28, 2023, 10:22 a.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 July 28, 2023, 10:21 a.m.			0	0
IsDebuggerPresent July 28, 2023, 10:21 a.m.			0	0
IsDebuggerPresent July 28, 2023, 10:22 a.m.			0	0
IsDebuggerPresent July 28, 2023, 10:22 a.m.			0	0

This executable has a PDB path (1 event)

pdb_path

NMOLo.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 July 28, 2023, 10:21 a.m.		1	1	0

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

section	L`xK~~cF
section

Performs some HTTP requests (1 event)

request

GET http://apps.identrust.com/roots/dstrootcax3.p7c

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

Time & API	Arguments	Status
NtAllocateVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 region_size: 2162688 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x009d0000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00ba0000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 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 July 28, 2023, 10:21 a.m.	process_identifier: 2624 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 July 28, 2023, 10:21 a.m.	process_identifier: 2624 region_size: 262144 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00360000 allocation_type: 8192 (MEM_RESERVE) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00360000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002a2000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002bc000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x00640000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002aa000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002db000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002d7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtProtectVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 0 length: 4096 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x003e2000 process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:21 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002d5000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:22 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002ca000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:22 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002c7000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:22 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002c6000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:22 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002cb000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1
NtAllocateVirtualMemory July 28, 2023, 10:22 a.m.	process_identifier: 2624 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 July 28, 2023, 10:22 a.m.	process_identifier: 2624 region_size: 4096 stack_dep_bypass: 0 stack_pivoted: 0 heap_dep_bypass: 1 protection: 64 (PAGE_EXECUTE_READWRITE) base_address: 0x002ac000 allocation_type: 4096 (MEM_COMMIT) process_handle: 0xffffffff	1

Checks adapter addresses which can be used to detect virtual network interfaces (1 event)

Time & API	Arguments	Status	Return	Repeated
GetAdaptersAddresses July 28, 2023, 10:22 a.m.	flags: 15 family: 0		111	0

The binary likely contains encrypted or compressed data indicative of a packer (1 event)

section

{u'size_of_data': u'0x00000200', u'virtual_address': u'0x00002000', u'entropy': 7.567988429816493, u'name': u'L`xK~~cF', u'virtual_size': u'0x0000018c'}

entropy

7.56798842982

description

A section with a high entropy has been found

File has been identified by 27 AntiVirus engines on VirusTotal as malicious (27 events)

Elastic	malicious (high confidence)
FireEye	Generic.mg.b05e3ab4699177f4
Cylance	unsafe
CrowdStrike	win/malicious_confidence_70% (D)
Cyren	W32/Trojan.LJKF-3609
Symantec	ML.Attribute.HighConfidence
ESET-NOD32	a variant of MSIL/TrojanDownloader.Agent.LTA
Cynet	Malicious (score: 100)
APEX	Malicious
Kaspersky	HEUR:Trojan.MSIL.DOTHETUK.gen
Avast	Win32:PWSX-gen [Trj]
Sophos	ML/PE-A
Ikarus	Trojan.Agent
Jiangmin	Backdoor.MSIL.NanoBot.t
Antiy-AVL	Trojan[PSW]/MSIL.Stealer
Microsoft	Trojan:Win32/Wacatac.B!ml
Gridinsoft	Trojan.Heur!.030120A1
ZoneAlarm	HEUR:Trojan.MSIL.DOTHETUK.gen
Google	Detected
AhnLab-V3	Trojan/Win.Generic.R519514
BitDefenderTheta	Gen:NN.ZemsilF.36318.ku0@aq4IR@g
Malwarebytes	Trojan.Downloader
SentinelOne	Static AI - Malicious PE
MaxSecure	Trojan.Malware.300983.susgen
AVG	Win32:PWSX-gen [Trj]
Cybereason	malicious.2d120a
DeepInstinct	MALICIOUS

secbobbyzx.exe

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