MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecc192b51f189d8a835a5d869b16446dedcfc6724843144b3b249d61be9460c5. 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: 20


Maldoc score: 30


Intelligence 20 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecc192b51f189d8a835a5d869b16446dedcfc6724843144b3b249d61be9460c5
SHA3-384 hash: 1dbed0ae03e95ec7defacd80e5c617eed99787fea209c3f9a76126d8b37c5d46ec4065169bd9ae2e8836105259aadf51
SHA1 hash: b5c85526d85d4ecd4c2da402e5a98ebeda8a9245
MD5 hash: 4c51c3e650967d639ce90aae3151d85f
humanhash: bravo-oranges-seven-juliet
File name:Comprobante.de.Transferencia.xls
Download: download sample
Signature QuasarRAT
Create hunting rule
File size:54'784 bytes
First seen:2025-09-27 12:53:09 UTC
Last seen:Never
File type:Excel file xls
MIME type:application/vnd.ms-excel
ssdeep 1536:1oFxEtjPOtioVjDGUU1qfDlaGGx+cL2QnAnVPQ5c4NRu2WFW:yFxEtjPOtioVjDGUU1qfDlaGGx+cL2QR
TLSH T17B33E5A2B282E84AC60413344CEBD6D66636BC515F77834B3395F32F6E37B80CA52656
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)
Magika xls
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: 30
Application name is Microsoft Excel
Author of this document is oplup
File Format is MS Excel 97-2003
Container Format is OLE
Office document contains VBA Macros
OLE dump

MalwareBazaar was able to identify 16 sections in this file using oledump:

Section IDSection sizeSection name
1107 bytesCompObj
2244 bytesDocumentSummaryInformation
3208 bytesSummaryInformation
428267 bytesWorkbook
5529 bytes_VBA_PROJECT_CUR/PROJECT
6104 bytes_VBA_PROJECT_CUR/PROJECTwm
7977 bytes_VBA_PROJECT_CUR/VBA/Sheet1
8977 bytes_VBA_PROJECT_CUR/VBA/Sheet2
9977 bytes_VBA_PROJECT_CUR/VBA/Sheet3
107294 bytes_VBA_PROJECT_CUR/VBA/ThisWorkbook
115995 bytes_VBA_PROJECT_CUR/VBA/_VBA_PROJECT
121522 bytes_VBA_PROJECT_CUR/VBA/__SRP_0
13216 bytes_VBA_PROJECT_CUR/VBA/__SRP_1
14528 bytes_VBA_PROJECT_CUR/VBA/__SRP_2
15466 bytes_VBA_PROJECT_CUR/VBA/__SRP_3
16559 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 systemcommand
SuspiciousWScript.ShellMay run an executable file or a systemcommand
SuspiciousCreateObjectMay create an OLE object
SuspiciousShell.ApplicationMay run an application (if combined withCreateObject)
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 beused to obfuscate strings (option --decode tosee all)code and P-code are different, this may havebeen used to hide malicious code

Intelligence

File Origin
# of uploads :
1
# of downloads :
80
Origin country :
SE SE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Comprobante.de.Transferencia.xls
Verdict:
Malicious activity
Analysis date:
2025-09-27 12:56:13 UTC
Tags:
macros macros-on-open auto-reg confuser crypto-regex
Link:
https://app.any.run/tasks/c6c27349-5446-412b-a2fb-42ee70a50af7

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/29259/
Detection(s):
TwinWave.EvilDoc.StatusIsLikeAFriend.20210201.UNOFFICIAL
Create hunting rule

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

Porcupine.VBA.Downloader.Agent.DWR.434964.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68d7de5491dd51f6514f267c
Tags:
autorun office macro micro
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Connection attempt by exploiting the app vulnerability
Sending a custom TCP request by exploiting the app vulnerability
Result
Verdict:
Malicious
File Type:
Legacy Excel File with Macro
Link:
https://app.docguard.net/ecc192b51f189d8a835a5d869b16446dedcfc6724843144b3b249d61be9460c5/results/dashboard
Behaviour
BlacklistAPI detected
Document image
Image:
Download PNG
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
dropper macros macros-on-open
Link:
https://www.filescan.io/uploads/68d7de9b674d5fd6aa0e61c6/reports/9be859e1-b1d4-45e7-afd4-2de00b2ee8ff/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/ecc192b51f189d8a835a5d869b16446dedcfc6724843144b3b249d61be9460c5
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=f329613a-f036-4d2b-a89a-54a71b50fb53
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/ecc192b51f189d8a835a5d869b16446dedcfc6724843144b3b249d61be9460c5
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.
Document With Minimal Content
Document contains less than 1 kilobyte of semantic information.
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...
Verdict:
Malicious
File Type:
xls
First seen:
2025-09-26T11:34:00Z UTC
Last seen:
2025-09-26T11:34:00Z UTC
Hits:
~100
Detections:
Trojan-Downloader.MSOffice.SLoad.sb HEUR:Trojan-Downloader.Script.Generic HEUR:Trojan.MSIL.Injuke.gen Exploit.Win32.Dropper.sb PDM:Trojan.Win32.Tasker.cust PDM:Trojan.Win32.Generic
Link:
https://opentip.kaspersky.com/ecc192b51f189d8a835a5d869b16446dedcfc6724843144b3b249d61be9460c5/results?tab=lookup
Result
Threat name:
Quasar
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1785178
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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 contains VBA stomped code (only p-code) potentially bypassing AV detection
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Office process queries suspicious COM object (likely to drop second stage)
PE file contains section with special chars
PE file has nameless sections
Sample uses string decryption to hide its real strings
Sigma detected: Suspicious Binary In User Directory Spawned From Office Application
Sigma detected: Suspicious Microsoft Office Child Process
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Quasar RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1785178 Sample: Comprobante.de.Transferencia.xls Startdate: 27/09/2025 Architecture: WINDOWS Score: 100 61 www.vdsolidflowbins.buzz 2->61 63 vdsolidflowbins.buzz 2->63 65 18 other IPs or domains 2->65 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for URL or domain 2->81 83 14 other signatures 2->83 12 EXCEL.EXE 233 62 2->12         started        17 FramemHost.exe 2->17         started        signatures3 process4 dnsIp5 71 vdsolidflowbins.buzz 94.154.172.199, 443, 49698 LVLT-10753US Germany 12->71 73 part-0013.t-0009.fb-t-msedge.net 13.107.253.41, 443, 49723, 49725 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->73 75 osiprod-ncus-buff-azsc-000.northcentralus.cloudapp.azure.com 52.109.16.112, 443, 49693 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 12->75 59 C:\Users\...\Comprobante.de.Transferencia.xls, Composite 12->59 dropped 99 Office process queries suspicious COM object (likely to drop second stage) 12->99 19 IUCXQ.exe 1 12->19         started        22 splwow64.exe 12->22         started        101 Injects a PE file into a foreign processes 17->101 24 FramemHost.exe 17->24         started        26 FramemHost.exe 17->26         started        file6 signatures7 process8 signatures9 85 Detected unpacking (changes PE section rights) 19->85 87 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 19->87 89 Uses schtasks.exe or at.exe to add and modify task schedules 19->89 91 Injects a PE file into a foreign processes 19->91 28 IUCXQ.exe 4 19->28         started        32 IUCXQ.exe 19->32         started        34 WerFault.exe 24->34         started        process10 file11 57 C:\Users\user\AppData\...\FramemHost.exe, PE32 28->57 dropped 97 Hides that the sample has been downloaded from the Internet (zone.identifier) 28->97 36 FramemHost.exe 1 28->36         started        39 schtasks.exe 1 28->39         started        41 WerFault.exe 2 32->41         started        signatures12 process13 signatures14 93 Antivirus detection for dropped file 36->93 43 FramemHost.exe 36->43         started        47 FramemHost.exe 36->47         started        49 conhost.exe 39->49         started        process15 dnsIp16 67 onanothertry.ydns.eu 196.251.83.163, 4799, 49724 SONIC-WirelessZA Seychelles 43->67 69 asesorarcolom.crabdance.com 198.251.83.164, 4898 PONYNETUS United States 43->69 95 Hides that the sample has been downloaded from the Internet (zone.identifier) 43->95 51 schtasks.exe 43->51         started        53 WerFault.exe 47->53         started        signatures17 process18 process19 55 conhost.exe 51->55         started       
Score:
100%
Verdict:
Malware
File Type:
OFFICE
Link:
https://malprob.io/report/ecc192b51f189d8a835a5d869b16446dedcfc6724843144b3b249d61be9460c5
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Office Document
Link:
https://app.malva.re/file/4c51c3e650967d639ce90aae3151d85f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ecc192b51f189d8a835a5d869b16446dedcfc6724843144b3b249d61be9460c5/
Verdict:
Malicious
Threat:
Family.QUASAR
Link:
https://tip.neiki.dev/file/ecc192b51f189d8a835a5d869b16446dedcfc6724843144b3b249d61be9460c5
Threat name:
Script-Macro.Trojan.Heuristic
Create hunting rule
Status:
Malicious
First seen:
2025-09-26 14:39:07 UTC
File Type:
Document
Extracted files:
24
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5tazfni7dcoyva22lwdjwfsenxw47rtsjbbrisz3esowdpuumdcq._file
Verdict:
malicious
Label(s):
quasarrat
Create hunting rule
Similar samples:
error
QuasarRAT
Result
Malware family:
quasar
Create hunting rule
Score:
  10/10
Tags:
family:quasar botnet:silver02 discovery execution macro macro_on_action persistence spyware trojan
Link:
https://tria.ge/reports/250927-p51haacn2s/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Scheduled Task/Job: Scheduled Task
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
ConfuserEx .NET packer
Suspicious use of SetThreadContext
Executes dropped EXE
Downloads MZ/PE file
Quasar RAT
Quasar family
Quasar payload
Malware Config
C2 Extraction:
onanothertry.ydns.eu:4799
asesorarcolom.crabdance.com:4898
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f1aaad85-a863-4db7-92a9-d24b7eb1e764
Malware family:
QuasarRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ecc192b51f18/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/ecc192b51f189d8a835a5d869b16446dedcfc6724843144b3b249d61be9460c5

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:informational_win_ole_protected
Create hunting rule
Author:Jeff White (karttoon@gmail.com) @noottrak
Description:Identify OLE Project protection within documents.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/29259/

Comments