MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df8573405d1b9e0d3bbd88adf1f5db88f8ced9d603b78b41881bd50de1d26cc5. 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: 14


Intelligence 14 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: df8573405d1b9e0d3bbd88adf1f5db88f8ced9d603b78b41881bd50de1d26cc5
SHA3-384 hash: 43179f7ed15da6f84e13c8c8ece4b3b281b1f9c9da62cd82d59c6aeda05090d4c70c09311c171aa1bb11c5c5d3b07ee9
SHA1 hash: 4e40ef75cfccf1c4bbb91835d80c700ab244703c
MD5 hash: 83518d0443578cfc48983898d2d92ba5
humanhash: romeo-white-five-speaker
File name:fatura64383,pdf.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:386'819 bytes
First seen:2023-01-02 08:06:59 UTC
Last seen:2023-01-03 10:17:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 429 x GuLoader)
ssdeep 6144:cYa6OHPGTjpoBdZfRq5D3IcW6BLs3EqKyFTlY7Y2s44Xb+It:cY8HPGpeVKW6BY3UyNlYb143
TLSH T13584D548236671AEC1C6BCB188C95B96DDF08ED63FE16C11850327DD9FE80BD2948DAD
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 aaf0d0b2ca8ce4a2 (4 x SnakeKeylogger, 1 x a310Logger, 1 x AgentTesla)
Reporter lowmal3
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
209
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
quasar
Create hunting rule
ID:
1
File name:
fatura64383,pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-01-02 08:07:31 UTC
Tags:
evasion stealer quasar
Link:
https://app.any.run/tasks/fa43a2b7-6d0b-4285-adc8-241b20853ee1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.1446.5847.UNOFFICIAL
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
Sending a custom TCP request
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:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63b290ab0fdf1633326ce782/reports/1d397cc0-3f18-4aff-829b-198233069a02/overview
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.
Malware family:
BluStealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8c96cfb8-b8b1-416e-843d-efb57f2c8203
Result
Threat name:
BluStealer, StormKitty
Create hunting rule
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1144069
Signature
Contains functionality to detect sleep reduction / modifications
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Machine Learning detection for dropped file
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 Generic Dropper
Yara detected StormKitty Stealer
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 776799 Sample: fatura64383,pdf.exe Startdate: 02/01/2023 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 Yara detected BluStealer 2->48 50 3 other signatures 2->50 8 fatura64383,pdf.exe 19 2->8         started        11 npoasqwds.exe 2->11         started        14 npoasqwds.exe 2->14         started        process3 file4 32 C:\Users\user\AppData\...\asensdljsr.exe, PE32 8->32 dropped 16 asensdljsr.exe 1 2 8->16         started        52 Multi AV Scanner detection for dropped file 11->52 54 Machine Learning detection for dropped file 11->54 20 WerFault.exe 4 10 11->20         started        22 WerFault.exe 10 14->22         started        signatures5 process6 file7 30 C:\Users\user\AppData\...\npoasqwds.exe, PE32 16->30 dropped 36 Multi AV Scanner detection for dropped file 16->36 38 Machine Learning detection for dropped file 16->38 40 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 16->40 42 2 other signatures 16->42 24 asensdljsr.exe 1 16->24         started        signatures8 process9 process10 26 AppLaunch.exe 15 3 24->26         started        dnsIp11 34 icanhazip.com 104.18.115.97, 49701, 80 CLOUDFLARENETUS United States 26->34 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->56 58 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 26->58 60 May check the online IP address of the machine 26->60 62 2 other signatures 26->62 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/df8573405d1b9e0d3bbd88adf1f5db88f8ced9d603b78b41881bd50de1d26cc5/
Threat name:
Win32.Infostealer.BluStealer
Create hunting rule
Status:
Malicious
First seen:
2023-01-02 03:01:56 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 40 (47.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=36cxgqc5dopa2o55rcw7d5o3rd4m5wowao3ywqmidpkq3yosntcq._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/230102-jzze5sdg32/
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
Unpacked files
SH256 hash:
1bc75cf24c2ab70e4cd6c98ffe69eaeae47e9bd90b9e0f5a2bf97bff553f85cb
MD5 hash:
66b734e0d570c5cb3719c2ae3799fb9f
SHA1 hash:
eb57c70683f468b24f1ad22fa11738cbf59b76d9
Link:
https://www.unpac.me/results/b21c4fd7-ec76-427f-8886-fb8596262fb1/
SH256 hash:
588c4a98b730ca6a52535b759997e427305ef4d55653dd25ebf517c24fd4b97e
MD5 hash:
0616739e6d7e8f4fe8d1c9b174683a25
SHA1 hash:
16215e3678adb65899fee5fcdedf84475726aa4c
Link:
https://www.unpac.me/results/b21c4fd7-ec76-427f-8886-fb8596262fb1/
SH256 hash:
25b498482ff1d49d1a7d25d389085e6338dcd606b59d1846ce9ea8b8c3b38bcb
MD5 hash:
331eede8e7de5b25b4f6bdec719fa70c
SHA1 hash:
65b14b723c1b8781e14e105b7058bc34fddf8034
Detections:
win_agent_tesla_g2
Create hunting rule
win_masslogger_w0
Create hunting rule
Link:
https://www.unpac.me/results/b21c4fd7-ec76-427f-8886-fb8596262fb1/
Parent samples :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 hash:
df8573405d1b9e0d3bbd88adf1f5db88f8ced9d603b78b41881bd50de1d26cc5
MD5 hash:
83518d0443578cfc48983898d2d92ba5
SHA1 hash:
4e40ef75cfccf1c4bbb91835d80c700ab244703c
Link:
https://www.unpac.me/results/b21c4fd7-ec76-427f-8886-fb8596262fb1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/df8573405d1b/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/df8573405d1b9e0d3bbd88adf1f5db88f8ced9d603b78b41881bd50de1d26cc5

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 df8573405d1b9e0d3bbd88adf1f5db88f8ced9d603b78b41881bd50de1d26cc5

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments