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Analysis Report #U5e94#U4ed8#U5e10#U5355.JS

Overview

General Information

Sample Name:	#U5e94#U4ed8#U5e10#U5355.JS
Analysis ID:	339444
MD5:	8928fc2990f2c4ecb3209c4281c68612
SHA1:	409182c8b6e8f83c4841473d8a31602493129da9
SHA256:	22ad37a20a155fd94df9ac2d68eb8099eb21d24c95689b7b6a2ff28c1b67765e
Most interesting Screenshot:

Detection

Score:	1
Range:	0 - 100
Whitelisted:	false
Confidence:	100%

Signatures

Found WSH timer for Javascript or VBS script (likely evasive script)

Java / VBScript file with very long strings (likely obfuscated code)

Program does not show much activity (idle)

Classification

Startup

System is w10x64

wscript.exe (PID: 6028 cmdline: 'C:\Windows\System32\WScript.exe' 'C:\Users\user\Desktop\#U5e94#U4ed8#U5e10#U5355.JS' MD5: 9A68ADD12EB50DDE7586782C3EB9FF9C)

cleanup

Malware Configuration

No configs have been found

Yara Overview

No yara matches

Sigma Overview

No Sigma rule has matched

Signature Overview

Click to jump to signature section

Show All Signature Results

There are no malicious signatures, click here to show all signatures.

Source: #U5e94#U4ed8#U5e10#U5355.JS

Initial sample: Strings found which are bigger than 50

Source: classification engine

Classification label: clean1.winJS@1/0@0/0

Source: C:\Windows\System32\wscript.exe

Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers

Jump to behavior

Source: C:\Windows\System32\wscript.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\InprocServer32

Jump to behavior

Source: C:\Windows\System32\wscript.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior
Source: C:\Windows\System32\wscript.exe	Process information set: NOOPENFILEERRORBOX			Jump to behavior

Source: C:\Windows\System32\wscript.exe

Window found: window name: WSH-Timer

Jump to behavior

Source: all processes

Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected

Source: all processes

Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected

Source: C:\Windows\System32\wscript.exe

Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid

Jump to behavior

Mitre Att&ck Matrix

Initial Access	Execution	Persistence	Privilege Escalation	Defense Evasion	Credential Access	Discovery	Lateral Movement	Collection	Exfiltration	Command and Control	Network Effects	Remote Service Effects	Impact
Valid Accounts	Scripting2	Path Interception	Path Interception	Scripting2	OS Credential Dumping	System Information Discovery2	Remote Services	Data from Local System	Exfiltration Over Other Network Medium	Data Obfuscation	Eavesdrop on Insecure Network Communication	Remotely Track Device Without Authorization	Modify System Partition
Default Accounts	Scheduled Task/Job	Boot or Logon Initialization Scripts	Boot or Logon Initialization Scripts	Obfuscated Files or Information1	LSASS Memory	Application Window Discovery	Remote Desktop Protocol	Data from Removable Media	Exfiltration Over Bluetooth	Junk Data	Exploit SS7 to Redirect Phone Calls/SMS	Remotely Wipe Data Without Authorization	Device Lockout

Behavior Graph

Hide Legend

Legend:

Process
Signature
Created File
DNS/IP Info
Is Dropped
Is Windows Process
Number of created Registry Values
Number of created Files
Visual Basic
Delphi
Java
.Net C# or VB.NET
C, C++ or other language
Is malicious
Internet

Screenshots

Thumbnails

This section contains all screenshots as thumbnails, including those not shown in the slideshow.

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Source	Detection	Scanner	Label	Link
#U5e94#U4ed8#U5e10#U5355.JS	4%	Virustotal		Browse

Dropped Files

No Antivirus matches

Unpacked PE Files

No Antivirus matches

Domains

No Antivirus matches

URLs

No Antivirus matches

Domains and IPs

Contacted Domains

No contacted domains info

Contacted IPs

No contacted IP infos

General Information

Joe Sandbox Version:	31.0.0 Red Diamond
Analysis ID:	339444
Start date:	14.01.2021
Start time:	03:52:54
Joe Sandbox Product:	CloudBasic
Overall analysis duration:	0h 1m 44s
Hypervisor based Inspection enabled:	false
Report type:	full
Sample file name:	#U5e94#U4ed8#U5e10#U5355.JS
Cookbook file name:	default.jbs
Analysis system description:	Windows 10 64 bit v1803 with Office Professional Plus 2016, Chrome 85, IE 11, Adobe Reader DC 19, Java 8 Update 211
Number of analysed new started processes analysed:	1
Number of new started drivers analysed:	0
Number of existing processes analysed:	0
Number of existing drivers analysed:	0
Number of injected processes analysed:	0
Technologies:	HCA enabled EGA enabled HDC enabled GSI enabled (Javascript) AMSI enabled
Analysis Mode:	default
Analysis stop reason:	Timeout
Detection:	CLEAN
Classification:	clean1.winJS@1/0@0/0
EGA Information:	Failed
HDC Information:	Failed
HCA Information:	Successful, ratio: 100% Number of executed functions: 0 Number of non-executed functions: 0
Cookbook Comments:	Adjust boot time Enable AMSI Found application associated with file extension: .JS Stop behavior analysis, all processes terminated

Simulations

Behavior and APIs

No simulations

Joe Sandbox View / Context

IPs

No context

Domains

No context

ASN

No context

JA3 Fingerprints

No context

Dropped Files

No context

Created / dropped Files

No created / dropped files found

Static File Info

General
File type:	ISO-8859 text, with very long lines, with CRLF line terminators
Entropy (8bit):	5.127302452418976
TrID:
File name:	#U5e94#U4ed8#U5e10#U5355.JS
File size:	1832
MD5:	8928fc2990f2c4ecb3209c4281c68612
SHA1:	409182c8b6e8f83c4841473d8a31602493129da9
SHA256:	22ad37a20a155fd94df9ac2d68eb8099eb21d24c95689b7b6a2ff28c1b67765e
SHA512:	adfeded01713d7c483de7a33baa0d8f3217c156b8014194fad95ceb3f3a96f3b4fd1961b0b2c910650f49946f998f5df84334af6e661caefba719892f04e8c2e
SSDEEP:	48:iGEH+dEFhQbeI30BTyrOk5/BWygtvGOdCktpOCKCWWco:XEIGU3/gtvNP5
File Content Preview:	function pageInit()..{.. xRecordSet.New("cdsForm.cds_fp");.....ss="select ,ltrim(str(sjje,10,2)) as sjjea,ltrim(str(sjje/(1+yhsl/1000)yhsl/1000,10,2)) as yhsea,ltrim(str(sjje/(1+yhsl/1000),10,2)) as wse,"...+" .. (select top 1 lxr from wlh where wlh.lb=

File Icon


Icon Hash:	e8d69ece968a9ec4

Network Behavior

No network behavior found

Code Manipulations

Statistics

CPU Usage

Click to jump to process

Memory Usage

Click to jump to process

High Level Behavior Distribution

Click to dive into process behavior distribution

System Behavior

Analysis Process: wscript.exe PID: 6028 Parent PID: 5856

General

Start time:	03:53:41
Start date:	14/01/2021
Path:	C:\Windows\System32\wscript.exe
Wow64 process (32bit):	false
Commandline:	'C:\Windows\System32\WScript.exe' 'C:\Users\user\Desktop\#U5e94#U4ed8#U5e10#U5355.JS'
Imagebase:	0x7ff68f930000
File size:	163840 bytes
MD5 hash:	9A68ADD12EB50DDE7586782C3EB9FF9C
Has elevated privileges:	true
Has administrator privileges:	true
Programmed in:	C, C++ or other language
Reputation:	high

Chronological Activities

Disassembly

Code Analysis

JavaScript Code

Call Graph

Executed
Not Executed

Script:

Code
0	function pageInit() {
1	xRecordSet.New ( "cdsForm.cds_fp" );
2	ss = "select ,ltrim(str(sjje,10,2)) as sjjea,ltrim(str(sjje/(1+yhsl/1000)yhsl/1000,10,2)) as yhsea,ltrim(str(sjje/(1+yhsl/1000),10,2)) as wse," + " (select top 1 lxr from wlh where wlh.lb=cmhctdyffpwlh.lb and wlh.dm=cmhctdyffpwlh.dm) as attn, " + " (select top 1 tdh from tddl where tddl.ztdid=cmhctdyffpwlh.tdid) as tdha, " + " (case when (mdd is null or mdd='') then (case when (jhdd is null or jhdd = '' ) then xhg else jhdd end) else mdd end) as xhga " + " from cmhctdyffpwlh" + " where fpid=" + xScript.ShareVar ( "fpid" );
3	xRecordSet.Open ( "cdsForm.cds_fp", xScript.ShareVar ( "dbname" ), "", ss );
4	xRecordSet.New ( "cdsForm.cds_td" );
5	ss = "gettdxcxs " + xRecordSet.FieldValue ( "cdsForm.cds_fp.tdid" );
6	xRecordSet.Open ( "cdsForm.cds_td", xScript.ShareVar ( "dbname" ), "", ss );
7	}
8	function DoTotalVisible() {
9	if ( xRecordSet.Eof ( "cdsForm.cds_fp" ) == 1 )
10	return "true";
11	else
12	return "false";
13	}
14	function Openyf() {
15	xRecordSet.New ( "cdsForm.cds_yf" );
16	ss = "select yf.,(case when ((fymc in (select fymc from fydm)) and ((select top 1 fjmc from fydm where fydm.fymc=yf.fymc)!='')) then (select top 1 fjmc from fydm where fydm.fymc=yf.fymc) else fymc end) as fjmc,ltrim(str((yf.jg(case when yf.ysyf='\x04e6\xfffd\xfffd' then 1 else -1 end)),12,2)) as jga,ltrim(str((yf.sjje*(case when yf.ysyf='\x04e6\xfffd\xfffd' then 1 else -1 end)),12,2)) as sjjea from yf where (fpid=" + xScript.ShareVar ( "fpid" ) + ")";
17	xRecordSet.Open ( "cdsForm.cds_yf", xScript.ShareVar ( "dbname" ), "", ss );
18	}
19	function OnEof(tablename) {
20	return xRecordSet.Eof ( "cdsForm.cds_" + tablename );
21	}
22	function OnFirst(tablename) {
23	xRecordSet.First ( "cdsForm.cds_" + tablename );
24	}
25	function OnNext(tablename) {
26	xRecordSet.Next ( "cdsForm.cds_" + tablename );
27	}

Reset < >

Description:	This technique has been deprecated. Please use Command and Scripting Interpreter where appropriate.
Tactics:	Defense Evasion, Execution
Data Sources:	File monitoring, Process command-line parameters, Process monitoring
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	Adversaries may attempt to make an executable or file difficult to discover or analyze by encrypting, encoding, or otherwise obfuscating its contents on the system or in transit. This is common behavior that can be used across different platforms and the network to evade defenses.
Tactics:	Defense Evasion
Data Sources:	Binary file metadata, Email gateway, Environment variable, File monitoring, Malware reverse engineering, Network intrusion detection system, Network protocol analysis, Process command-line parameters, Process monitoring, Process use of network, SSL/TLS inspection, Windows event logs
Platforms:	Linux, macOS, Windows
Url:	Open detailed description by Mitre

Description:	An adversary may attempt to get detailed information about the operating system and hardware, including version, patches, hotfixes, service packs, and architecture. Adversaries may use the information from System Information Discovery during automated discovery to shape follow-on behaviors, including whether or not the adversary fully infects the target and/or attempts specific actions.
Tactics:	Discovery
Data Sources:	AWS CloudTrail logs, Azure activity logs, Process command-line parameters, Process monitoring, Stackdriver logs
Platforms:	AWS, Azure, GCP, Linux, macOS, Windows
Url:	Open detailed description by Mitre

Behavior Section

Behavior Chronological

Disassembly

Uncategorized

Graph

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Analysis Report #U5e94#U4ed8#U5e10#U5355.JS

Overview

General Information

Detection

Signatures

Classification

Startup

Malware Configuration

Yara Overview

Sigma Overview

Signature Overview

System Summary:

Hooking and other Techniques for Hiding and Protection:

Malware Analysis System Evasion:

Anti Debugging:

Language, Device and Operating System Detection:

Mitre Att&ck Matrix

Behavior Graph

Screenshots

Thumbnails

Antivirus, Machine Learning and Genetic Malware Detection

Initial Sample

Dropped Files

Unpacked PE Files

Domains

URLs

Domains and IPs

Contacted Domains

Contacted IPs

General Information

Simulations

Behavior and APIs

Joe Sandbox View / Context

IPs

Domains

ASN

JA3 Fingerprints

Dropped Files

Created / dropped Files

Static File Info

General

File Icon

Network Behavior

Code Manipulations

Statistics

CPU Usage

Memory Usage

High Level Behavior Distribution

back

System Behavior

Analysis Process: wscript.exe PID: 6028 Parent PID: 5856

General

Chronological Activities

Disassembly

Code Analysis

JavaScript Code

Call Graph

Graph

Script:

Code