MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 132febbd685d3a267b92b9143f4effbaf0df56b58764dd2f6bcd44908ba0b4a8. 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: 11


Maldoc score: 23


Intelligence 11 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 132febbd685d3a267b92b9143f4effbaf0df56b58764dd2f6bcd44908ba0b4a8
SHA3-384 hash: 42a6b11b352992b0ca97372ac02509d90724cb62079832bde123aaa207f205b78c0facac4ef7eb927c9b833173d6a9b1
SHA1 hash: 5f46fc84968bc1bf237489c48608200e99350a8c
MD5 hash: 6c19f81fdd17bcfe1e2f603dabbb2a6e
humanhash: fifteen-kentucky-texas-finch
File name:Pendiente.xls
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:322'048 bytes
First seen:2022-11-18 22:38:25 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 6144:XxEtjPOtioVjDGUU1qfDlavx+W2QnAeIsfKxxOJCSynWqqVP4qk9U6gKfBfUFYKN:KanWqGPdURh0FMCd
TLSH T19D64F1613585D6AADA0907780DF2C2DA7273FC10AF3B471B3155B72F2E757E0891322A
TrID 46.5% (.XLS) Microsoft Excel sheet (alternate) (56500/1/4)
26.7% (.XLS) Microsoft Excel sheet (32500/1/3)
20.1% (.XLS) Microsoft Excel sheet (alternate) (24500/1/2)
6.5% (.) Generic OLE2 / Multistream Compound (8000/1)
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: 23
OLE dump

MalwareBazaar was able to identify 19 sections in this file using oledump:

Section IDSection sizeSection name
1107 bytesCompObj
2244 bytesDocumentSummaryInformation
3208 bytesSummaryInformation
4294178 bytesWorkbook
5633 bytes_VBA_PROJECT_CUR/PROJECT
6128 bytes_VBA_PROJECT_CUR/PROJECTwm
7968 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
115455 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
125138 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
131480 bytes_VBA_PROJECT_CUR/VBA/__SRP_0
14215 bytes_VBA_PROJECT_CUR/VBA/__SRP_1
15388 bytes_VBA_PROJECT_CUR/VBA/__SRP_2
16158 bytes_VBA_PROJECT_CUR/VBA/__SRP_3
1784 bytes_VBA_PROJECT_CUR/VBA/__SRP_4
18104 bytes_VBA_PROJECT_CUR/VBA/__SRP_5
19612 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
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
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)
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence

File Origin
# of uploads :
1
# of downloads :
259
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Pendiente.xls
Verdict:
No threats detected
Analysis date:
2022-11-18 22:39:08 UTC
Tags:
macros macros-on-open
Link:
https://app.any.run/tasks/f24e8e1a-0b33-4ed1-83a5-4c205cfe4a58

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/335882/
Detection(s):
TwinWave.EvilDoc.StatusIsLikeAFriend.20210201.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Office.Macro-13.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Office.Macro-11.UNOFFICIAL
Create hunting rule

Sanesecurity.Badmacro.XlsM.objshell.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.ShoulderOfOrion.20220121.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/132febbd685d3a267b92b9143f4effbaf0df56b58764dd2f6bcd44908ba0b4a8/results/dashboard
Behaviour
BlacklistAPI detected
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware macros macros-on-open setupapi.dll shdocvw.dll shell32.dll
Link:
https://www.filescan.io/uploads/637809874cfa4744015c8621/reports/948f8855-678b-4367-9384-3cf051263c6a/overview
Label:
Malicious
Suspicious Score:
7.6/10
Score Malicious:
76%
Score Benign:
24%
Link:
https://www.malware.ai/gui/files/?id=1f79fd65-1770-432e-bcce-5997c679677a
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/132febbd685d3a267b92b9143f4effbaf0df56b58764dd2f6bcd44908ba0b4a8
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.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1116917
Signature
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Document contains an embedded VBA macro with suspicious 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 exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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
Multi AV Scanner detection for submitted file
Office process drops PE file
PE file contains section with special chars
PE file has nameless sections
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic Downloader
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 749625 Sample: Pendiente.xls Startdate: 19/11/2022 Architecture: WINDOWS Score: 100 69 Snort IDS alert for network traffic 2->69 71 Multi AV Scanner detection for domain / URL 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 16 other signatures 2->75 12 EXCEL.EXE 53 24 2->12         started        17 taskeng.exe 1 2->17         started        process3 dnsIp4 65 tractorandinas.com 192.185.115.3, 443, 49173 UNIFIEDLAYER-AS-1US United States 12->65 67 www.tractorandinas.com 12->67 53 C:\Users\user\AppData\...\QBCHLJXG.exe, PE32 12->53 dropped 55 C:\Users\user\AppData\Local\...\outty[1].exe, PE32 12->55 dropped 57 C:\Users\user\Desktop\Pendiente.xls, Composite 12->57 dropped 97 Document exploit detected (creates forbidden files) 12->97 19 QBCHLJXG.exe 8 12->19         started        22 ghdgh.exe 17->22         started        file5 signatures6 process7 file8 49 C:\Users\user\AppData\Roaming\ghdgh.sfx.exe, PE32 19->49 dropped 25 cmd.exe 19->25         started        85 Injects a PE file into a foreign processes 22->85 27 ghdgh.exe 22->27         started        signatures9 process10 dnsIp11 31 ghdgh.sfx.exe 7 25->31         started        63 ip-api.com 27->63 95 Hides that the sample has been downloaded from the Internet (zone.identifier) 27->95 signatures12 process13 file14 59 C:\Users\user\AppData\Roaming\ghdgh.exe, PE32 31->59 dropped 34 ghdgh.exe 31->34         started        process15 signatures16 77 Antivirus detection for dropped file 34->77 79 Detected unpacking (changes PE section rights) 34->79 81 May check the online IP address of the machine 34->81 83 3 other signatures 34->83 37 ghdgh.exe 12 2 34->37         started        process17 dnsIp18 61 ip-api.com 208.95.112.1, 49174, 49175, 80 TUT-ASUS United States 37->61 51 C:\Users\user\AppData\Roaming\yilk\yors.exe, PE32 37->51 dropped 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 37->87 42 yors.exe 37->42         started        45 schtasks.exe 37->45         started        file19 signatures20 process21 signatures22 89 Antivirus detection for dropped file 42->89 91 Detected unpacking (changes PE section rights) 42->91 93 Machine Learning detection for dropped file 42->93 47 yors.exe 42->47         started        process23
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/132febbd685d3a267b92b9143f4effbaf0df56b58764dd2f6bcd44908ba0b4a8/
Threat name:
Script-Macro.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2022-11-18 14:31:23 UTC
File Type:
Document
Extracted files:
28
AV detection:
15 of 25 (60.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cmx6xplilu5cm64sxekd6tx7xlyn6vvvq5sn2l3lzvcjbc5awsua._file
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:yop macro macro_on_action persistence spyware trojan
Link:
https://tria.ge/reports/221118-2kx8msfb71/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
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
Checks computer location settings
Executes dropped EXE
Quasar RAT
Quasar payload
Malware Config
C2 Extraction:
dnuocc.com:64594
www.dnuocc.com:64594
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ef0909fc-d130-44b4-aaad-d306e1ec4eeb
Malware family:
xRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/132febbd685d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:informational_win_ole_protected
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.
Rule name:malware_shellcode_hash
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB

File information

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

Malspam

QuasarRAT

Excel file xls 132febbd685d3a267b92b9143f4effbaf0df56b58764dd2f6bcd44908ba0b4a8

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/335882/

Comments