MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b3c502c1c7b53486fee54996d4c73905280fc76a897644b430d3c65a89ec381. 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


a310Logger


Vendor detections: 13


Intelligence 13 IOCs YARA 16 File information Comments
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SHA256 hash: 6b3c502c1c7b53486fee54996d4c73905280fc76a897644b430d3c65a89ec381
SHA3-384 hash: f45bf6ea7abd7df1337003630f79969be05e78ae314e28a16fea48b02d5a5dc521236993a81291f15129e6e29adc660f
SHA1 hash: 6cc67419a39d41ef1d98d7fc236470ef7b23a0ea
MD5 hash: 30caef35075e79f0a150e49e7fd665a9
humanhash: grey-missouri-fix-india
File name:fatura643976,pdf.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:431'231 bytes
First seen:2023-01-11 09:19:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 6144:OYa6whAp081nNxvOjqKoeKQFXrKr/mpn4AkpFxbn8HnOYoqDz3Y1e:OY26nvmjqKoebFGro4RpFWOTYzo1e
TLSH T1D4948D873940C59CCE6D55F3A317854433A9DCFFC518A70A6BC83357AEE6BA2082671B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f2909696969ef66e (42 x AgentTesla, 42 x SnakeKeylogger, 13 x Formbook)
Reporter lowmal3
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
219
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
fatura643976,pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-01-11 09:20:57 UTC
Tags:
evasion stealer quasar
Link:
https://app.any.run/tasks/bf9ad8ca-e114-4bc8-b985-3081dcee61d7

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/351874/
Detection(s):
Win.Trojan.Generic-9907631-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Launching a process
Using the Windows Management Instrumentation requests
DNS request
Sending an HTTP GET request
Reading critical registry keys
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63be7f43a70bef46551e7c92/reports/82c6d4d1-e4e6-4bde-a1e4-a040d1ceb1d3/overview
Malware family:
BluStealer
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6ccd652a-b17a-4a36-b8b2-f7c57fe0f207
Result
Threat name:
BluStealer, StormKitty
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1149477
Signature
Contains functionality to detect sleep reduction / modifications
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected BluStealer
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 782209 Sample: fatura643976,pdf.exe Startdate: 11/01/2023 Architecture: WINDOWS Score: 100 47 Malicious sample detected (through community Yara rule) 2->47 49 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 3 other signatures 2->53 8 fatura643976,pdf.exe 19 2->8         started        11 sojmp.exe 2->11         started        14 sojmp.exe 2->14         started        process3 file4 33 C:\Users\user\AppData\Local\...\fmmkfwck.exe, PE32 8->33 dropped 16 fmmkfwck.exe 1 2 8->16         started        55 Multi AV Scanner detection for dropped file 11->55 20 WerFault.exe 4 10 11->20         started        22 WerFault.exe 10 14->22         started        signatures5 process6 dnsIp7 31 C:\Users\user\AppData\Roaming\...\sojmp.exe, PE32 16->31 dropped 41 Multi AV Scanner detection for dropped file 16->41 43 Maps a DLL or memory area into another process 16->43 45 Contains functionality to detect sleep reduction / modifications 16->45 25 fmmkfwck.exe 1 16->25         started        35 192.168.2.1 unknown unknown 22->35 file8 signatures9 process10 process11 27 AppLaunch.exe 15 3 25->27         started        dnsIp12 37 242.116.3.0.in-addr.arpa 27->37 39 icanhazip.com 104.18.115.97, 49700, 80 CLOUDFLARENETUS United States 27->39 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->57 59 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 27->59 61 May check the online IP address of the machine 27->61 63 2 other signatures 27->63 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b3c502c1c7b53486fee54996d4c73905280fc76a897644b430d3c65a89ec381/
Threat name:
Win32.Trojan.NSISInject
Create hunting rule
Status:
Malicious
First seen:
2023-01-11 09:20:05 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nm6fala4pnjuq37oksmw2tdtsbjib7dwvclwis2dbu6glke6yoaq._file
Verdict:
malicious
Result
Malware family:
stormkitty
Create hunting rule
Score:
  10/10
Tags:
family:blustealer family:stormkitty collection persistence stealer
Link:
https://tria.ge/reports/230111-larecafe9y/
Behaviour
Checks processor information in registry
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Loads dropped DLL
Executes dropped EXE
BluStealer
StormKitty
StormKitty payload
Malware Config
C2 Extraction:
https://api.telegram.org/bot5468731092:AAGGNQWBVRhX622u6xp1moMhaunIGtXuIxg/sendMessage?chat_id=1639214896
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/9e240399-ea5b-4f6c-a14a-bccec26c5775
Unpacked files
SH256 hash:
1bc75cf24c2ab70e4cd6c98ffe69eaeae47e9bd90b9e0f5a2bf97bff553f85cb
MD5 hash:
66b734e0d570c5cb3719c2ae3799fb9f
SHA1 hash:
eb57c70683f468b24f1ad22fa11738cbf59b76d9
Link:
https://www.unpac.me/results/21a0367c-9ad5-45d2-b12f-58a156e19403/
SH256 hash:
c301c219333093b817496bdf4f0023c49414533855de0564a14261215654e348
MD5 hash:
ab5c3b78cc034b88e5289f11f977184e
SHA1 hash:
5b705c3fddcc792e99318ae94a77ddeb4f42ae87
Link:
https://www.unpac.me/results/21a0367c-9ad5-45d2-b12f-58a156e19403/
SH256 hash:
6b3c502c1c7b53486fee54996d4c73905280fc76a897644b430d3c65a89ec381
MD5 hash:
30caef35075e79f0a150e49e7fd665a9
SHA1 hash:
6cc67419a39d41ef1d98d7fc236470ef7b23a0ea
Link:
https://www.unpac.me/results/21a0367c-9ad5-45d2-b12f-58a156e19403/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6b3c502c1c7b/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/6b3c502c1c7b53486fee54996d4c73905280fc76a897644b430d3c65a89ec381

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:AsyncRat_Detection_Dec_2022
Create hunting rule
Author:Potatech
Description:AsyncRat
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MALWARE_Win_A310Logger
Create hunting rule
Author:ditekSHen
Description:Detects A310Logger
Rule name:MALWARE_Win_StormKitty
Create hunting rule
Author:ditekSHen
Description:Detects StormKitty infostealer
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Create hunting rule
Rule name:Quasar_RAT_1
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Quasar_RAT_1_RID2B54
Create hunting rule
Author:Florian Roth
Description:Detects Quasar RAT
Reference:https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:win_masslogger_w0
Create hunting rule
Author:govcert_ch

File information

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

Malspam

a310Logger

Executable exe 6b3c502c1c7b53486fee54996d4c73905280fc76a897644b430d3c65a89ec381

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/351874/

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