MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 189dfc7eca70dc08e242e9079d35198826b189f27e919aaf13c4482a763ae1a3. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


QuasarRAT


Vendor detections: 13


Maldoc score: 31


Intelligence 13 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 189dfc7eca70dc08e242e9079d35198826b189f27e919aaf13c4482a763ae1a3
SHA3-384 hash: 162eb0878e7c5032b336e9aeba64c6173e12102a621e052f4b9de9cf23cb61ad797b8c44158580fbf569e9e0982aa7b0
SHA1 hash: fa7516ae0eb174227cf740250e589c421a3ddb13
MD5 hash: 2e20173d0a334b83cf5d92d3cf527ab7
humanhash: jersey-lemon-early-robin
File name:swift.xls
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:176'640 bytes
First seen:2021-11-20 17:44:48 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 3072:BrxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAJbuAJbD4DiOpEkOHfehcZHQIawhluju:9xEtjPOtioVjDGUU1qfDlavx+W2QnA3/
TLSH T15A04BF617A44C80AD56902350CE2C6EA7B33FC465EB6C7573154F3BEAE77B90C80265B
Reporter abuse_ch
Tags:QuasarRAT xls

Office OLE Information

This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE id
Maldoc score: 31
OLE dump

MalwareBazaar was able to identify 17 sections in this file using oledump:

Section IDSection sizeSection name
1107 bytesCompObj
2244 bytesDocumentSummaryInformation
3208 bytesSummaryInformation
4129938 bytesWorkbook
5572 bytes_VBA_PROJECT_CUR/PROJECT
6128 bytes_VBA_PROJECT_CUR/PROJECTwm
7833 bytes_VBA_PROJECT_CUR/VBA/Module1
8985 bytes_VBA_PROJECT_CUR/VBA/Sheet1
9985 bytes_VBA_PROJECT_CUR/VBA/Sheet2
10985 bytes_VBA_PROJECT_CUR/VBA/Sheet3
1118472 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
1212354 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
131577 bytes_VBA_PROJECT_CUR/VBA/__SRP_0
14416 bytes_VBA_PROJECT_CUR/VBA/__SRP_1
15488 bytes_VBA_PROJECT_CUR/VBA/__SRP_2
16422 bytes_VBA_PROJECT_CUR/VBA/__SRP_3
17613 bytes_VBA_PROJECT_CUR/VBA/dir
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
AutoExecWorkbook_OpenRuns when the Excel Workbook is opened
SuspiciousEnvironMay read system environment variables
SuspiciousopenMay open a file
SuspiciousWriteMay write to a file (if combined with Open)
Suspiciousadodb.streamMay create a text file
SuspiciousSaveToFileMay create a text file
SuspiciousShellMay run an executable file or a system command
SuspiciousvbNormalFocusMay run an executable file or a system command
SuspiciousWScript.ShellMay run an executable file or a system command
SuspiciousCreateObjectMay create an OLE object
SuspiciousShell.ApplicationMay run an application (if combined with CreateObject)
Suspiciousmicrosoft.xmlhttpMay download files from the Internet
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousXorMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)
SuspiciousBase64 StringsBase64-encoded strings were detected, may be used to obfuscate strings (option --decode to see all) code and P-code are different, this may have been used to hide malicious code

Intelligence

File Origin
# of uploads :
1
# of downloads :
189
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
swift.xls
Verdict:
Malicious activity
Analysis date:
2021-11-20 17:47:42 UTC
Tags:
macros macros-on-open evasion trojan
Link:
https://app.any.run/tasks/2cbc9b9e-c407-4dbb-ad40-8f04214f08a5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/vnd.ms-excel
Has a screenshot:
False
Contains macros:
True
Gathering data
Detection(s):
Xls.Macro.Obfuscation-9804250-0
Create hunting rule

MiscreantPunch.EvilMacro.DL.170224.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.CROAndTheTangerineDream.M1.20200630.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.CROAndTheTangerineDream.M2.20200630.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.WeAreAPartOfTheRythmNation.20201230.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.StatusIsLikeAFriend.20210201.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DidntIBlowYourMindThisTime.20210922.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a process
Sending an HTTP GET request
Unauthorized injection to a recently created process
Sending a custom TCP request by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/189dfc7eca70dc08e242e9079d35198826b189f27e919aaf13c4482a763ae1a3/results/dashboard
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
evasive macros macros-on-open vbastomped
Link:
https://www.filescan.io/uploads/61993423d0c3a45787fb7fad/reports/fd7067eb-b5ad-4201-894a-4f3571460c70/overview
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/189dfc7eca70dc08e242e9079d35198826b189f27e919aaf13c4482a763ae1a3
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Macro with File System Write
Detected macro logic that can write data to the file system.
Shell.Application Object
Detected the instantiation of Shell Application object within the macro.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Document With Minimal Content
Document contains less than 1 kilobyte of semantic information.
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/893142
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with base64 encoded strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with hexadecimal encoded strings
Document contains an embedded VBA with many randomly named variables
Document contains VBA stomped code (only p-code) potentially bypassing AV detection
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Office process drops PE file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: MS Office Product Spawning Exe in User Dir
Uses ping.exe to check the status of other devices and networks
Writes to foreign memory regions
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 525615 Sample: swift.xls Startdate: 20/11/2021 Architecture: WINDOWS Score: 100 99 Multi AV Scanner detection for domain / URL 2->99 101 Found malware configuration 2->101 103 Malicious sample detected (through community Yara rule) 2->103 105 19 other signatures 2->105 8 EXCEL.EXE 57 24 2->8         started        13 cssrc.exe 12 2 2->13         started        15 cssrc.exe 2->15         started        process3 dnsIp4 91 js-hurling.com 192.185.113.96, 443, 49165, 49166 UNIFIEDLAYER-AS-1US United States 8->91 93 www.js-hurling.com 8->93 63 C:\Users\user\AppData\Roaming\...\SQTXMTS.exe, PE32 8->63 dropped 65 C:\Users\user\AppData\...\ConsoleApp16[1].exe, PE32 8->65 dropped 67 C:\Users\user\Desktop\swift.xls, Composite 8->67 dropped 125 Document exploit detected (creates forbidden files) 8->125 17 SQTXMTS.exe 13 4 8->17         started        95 www.js-hurling.com 13->95 69 C:\Users\user\AppData\Local\Temp\cssrc.exe, PE32 13->69 dropped 127 Machine Learning detection for dropped file 13->127 129 Writes to foreign memory regions 13->129 131 Allocates memory in foreign processes 13->131 22 cssrc.exe 13->22         started        24 cmd.exe 13->24         started        26 cmd.exe 13->26         started        97 www.js-hurling.com 15->97 133 Injects a PE file into a foreign processes 15->133 28 cmd.exe 15->28         started        30 cmd.exe 15->30         started        32 cssrc.exe 15->32         started        34 cssrc.exe 15->34         started        file5 signatures6 process7 dnsIp8 71 www.js-hurling.com 17->71 73 js-hurling.com 17->73 59 C:\Users\user\AppData\Roaming\...\cssrc.exe, PE32 17->59 dropped 61 C:\Users\user\AppData\Local\...\SQTXMTS.exe, PE32 17->61 dropped 107 Writes to foreign memory regions 17->107 109 Allocates memory in foreign processes 17->109 111 Injects a PE file into a foreign processes 17->111 36 SQTXMTS.exe 2 17->36         started        40 cmd.exe 17->40         started        42 cmd.exe 17->42         started        44 powershell.exe 6 17->44         started        113 Machine Learning detection for dropped file 22->113 46 PING.EXE 24->46         started        48 PING.EXE 26->48         started        50 PING.EXE 28->50         started        52 PING.EXE 30->52         started        file9 signatures10 process11 dnsIp12 75 ildriendfrirotoi.zapto.org 91.193.75.212, 49168, 61790 DAVID_CRAIGGG Serbia 36->75 77 ip-api.com 208.95.112.1, 49167, 80 TUT-ASUS United States 36->77 115 May check the online IP address of the machine 36->115 117 Machine Learning detection for dropped file 36->117 119 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 36->119 123 2 other signatures 36->123 121 Uses ping.exe to check the status of other devices and networks 40->121 54 PING.EXE 40->54         started        57 PING.EXE 42->57         started        79 youtube.com 46->79 81 facebook.com 48->81 83 youtube.com 50->83 85 facebook.com 52->85 signatures13 process14 dnsIp15 87 youtube.com 172.217.168.46 GOOGLEUS United States 54->87 89 facebook.com 157.240.17.35 FACEBOOKUS United States 57->89
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/189dfc7eca70dc08e242e9079d35198826b189f27e919aaf13c4482a763ae1a3/
Threat name:
Document-Excel.Trojan.Valyria
Create hunting rule
Status:
Malicious
First seen:
2021-11-20 17:45:06 UTC
AV detection:
22 of 44 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dco7y7wkodoarysc5edz2nizratldcpsp2izvlytyrecu5r24grq._file
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar macro macro_on_action persistence spyware trojan
Link:
https://tria.ge/reports/211120-wbqvbadagn/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Runs ping.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
Quasar Payload
Quasar RAT
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/189dfc7eca70/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/189dfc7eca70dc08e242e9079d35198826b189f27e919aaf13c4482a763ae1a3

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

QuasarRAT

Excel file xls 189dfc7eca70dc08e242e9079d35198826b189f27e919aaf13c4482a763ae1a3

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/207805/

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