MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84cb1813acc6d49a1144b00c568fab550f322d7f51824dc9fcf12fb65552f002. 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


Threat unknown


Vendor detections: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84cb1813acc6d49a1144b00c568fab550f322d7f51824dc9fcf12fb65552f002
SHA3-384 hash: dccde85b20427184816c7636d59ad207515e96c04f3ca3a3a670e95e10e4b7e7b880fd5e346739a48e97f99e33cb34a6
SHA1 hash: 66500c07e3e276fbf4bb4f9c40918f261c426f2b
MD5 hash: 2a00384b6fa60fde55a901744d868a5d
humanhash: hydrogen-solar-east-idaho
File name:rRFQARMC-CO-RFQ-1565-24-4500000000000000000000.exe
Download: download sample
File size:726'016 bytes
First seen:2024-01-29 18:03:05 UTC
Last seen:2024-01-29 19:30:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 12288:AqTKGZrmuAp56MLaMEYQaxJlckdH+wTj5s8rMxArHEm8Z32IcjOAFBruhbC7:JAp5DL1Eu7mS9soHrHEmdvdFBruh+
TLSH T1C1F4120033EC570BE4B547F6361686808376B52A68D3D3DE9984E0DE22B5F458E9EF93
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter FXOLabs
Tags:exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
266
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
84cb1813acc6d49a1144b00c568fab550f322d7f51824dc9fcf12fb65552f002.exe
Verdict:
Suspicious activity
Analysis date:
2024-01-29 18:03:53 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1b162d2e-8970-45f3-9536-fe9a26101032

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/473484/
Detection(s):
SecuriteInfo.com.Win64.PWSX-gen.3369.9091.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Searching for synchronization primitives
Creating a file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65b7e89f16a447dc38ffcdbe/reports/9819f006-5970-4e41-905f-47ef83521721/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/84cb1813acc6d49a1144b00c568fab550f322d7f51824dc9fcf12fb65552f002
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/49941633-87f0-49e0-9947-62ebd6e2b3e5
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1382899
Signature
Adds a directory exclusion to Windows Defender
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Process Patterns NTDS.DIT Exfil
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1382899 Sample: rRFQARMC-CO-RFQ-1565-24-450... Startdate: 29/01/2024 Architecture: WINDOWS Score: 96 43 Sigma detected: Scheduled temp file as task from temp location 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Machine Learning detection for sample 2->47 49 3 other signatures 2->49 7 rRFQARMC-CO-RFQ-1565-24-4500000000000000000000.exe 7 2->7         started        11 qOSdawtbTJR.exe 5 2->11         started        process3 file4 39 C:\Users\user\AppData\...\qOSdawtbTJR.exe, PE32+ 7->39 dropped 41 C:\Users\user\AppData\Local\...\tmpEE8F.tmp, XML 7->41 dropped 51 Uses schtasks.exe or at.exe to add and modify task schedules 7->51 53 Modifies the context of a thread in another process (thread injection) 7->53 55 Adds a directory exclusion to Windows Defender 7->55 13 powershell.exe 23 7->13         started        15 powershell.exe 22 7->15         started        17 schtasks.exe 1 7->17         started        19 rRFQARMC-CO-RFQ-1565-24-4500000000000000000000.exe 7->19         started        57 Multi AV Scanner detection for dropped file 11->57 59 Machine Learning detection for dropped file 11->59 21 schtasks.exe 1 11->21         started        23 qOSdawtbTJR.exe 11->23         started        signatures5 process6 process7 25 WmiPrvSE.exe 13->25         started        27 conhost.exe 13->27         started        29 conhost.exe 15->29         started        31 conhost.exe 17->31         started        33 WerFault.exe 2 19->33         started        35 conhost.exe 21->35         started        37 WerFault.exe 4 23->37         started       
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/84cb1813acc6d49a1144b00c568fab550f322d7f51824dc9fcf12fb65552f002
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/84cb1813acc6d49a1144b00c568fab550f322d7f51824dc9fcf12fb65552f002/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-01-29 13:36:06 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
8
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qtfrqe5my3kjuekewagfnd5lkuhtell7kgbe3sp46ex3mvks6aba._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240129-wnkttshcap/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Unpacked files
SH256 hash:
84cb1813acc6d49a1144b00c568fab550f322d7f51824dc9fcf12fb65552f002
MD5 hash:
2a00384b6fa60fde55a901744d868a5d
SHA1 hash:
66500c07e3e276fbf4bb4f9c40918f261c426f2b
Link:
https://www.unpac.me/results/b78fb995-3596-475b-821b-dc530647d623/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/84cb1813acc6/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/84cb1813acc6d49a1144b00c568fab550f322d7f51824dc9fcf12fb65552f002

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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table

File information

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

Malspam

Executable exe 84cb1813acc6d49a1144b00c568fab550f322d7f51824dc9fcf12fb65552f002

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/473484/

Comments