MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfb997172aa606be225589eda936fffafa037abc8ca25ee5c86c9faa0de13feb. 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: 18


Intelligence 18 IOCs YARA 19 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dfb997172aa606be225589eda936fffafa037abc8ca25ee5c86c9faa0de13feb
SHA3-384 hash: 99c8c866df111ae5d861b50f7f11bd6ee30a91ba355f99e470492e6c4a9feb4e0f6c2d5be77c80a82b8b536a436e0bf1
SHA1 hash: 873006ca6aa95c0c832edf74c4088118cc61d7f7
MD5 hash: 62d0bea481e0740830bc19ac179a59e4
humanhash: spring-michigan-oxygen-oven
File name:RFQ NO_6000112038 Indonesia quality_ADN_25_technical_bid_submission_sheet.pdf.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:893'440 bytes
First seen:2025-10-17 06:03:57 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:HDkglD3oFLI3kdU+T2hiWnasoCEYpKYe+JzZBNAUO7xKqX:HD/lDysaU+T2hiz3CEYpKYBRZBa1
Threatray 2'743 similar samples on MalwareBazaar
TLSH T16015CFB1F2B58459D49867714926D83022E71DBCECA0D30ED5DA7DAB79B3FC2089290F
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ NO_6000112038 Indonesia quality_ADN_25_technical_bid_submission_sheet.pdf.exe
Verdict:
Malicious activity
Analysis date:
2025-10-17 06:13:06 UTC
Tags:
smtp darkcloud
Link:
https://app.any.run/tasks/167a659a-c2e3-4a02-9ac2-bcee2f24dc9c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
DarkCloud
Create hunting rule
Link:
https://www.capesandbox.com/analysis/33167/
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f1dcbe0cffb3244298a7c6
Tags:
underscore virus spawn msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected vbnet
Link:
https://www.filescan.io/uploads/68f1dd5d057c46a471d0ca8f/reports/963675fc-8327-48a9-9dbf-2b2e4e5950ad/overview
Verdict:
Malicious
Labled as:
MSIL/GenKryptik_AGeneric.BNN trojan
Link:
https://www.hybrid-analysis.com/sample/dfb997172aa606be225589eda936fffafa037abc8ca25ee5c86c9faa0de13feb
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-13T00:28:00Z UTC
Last seen:
2025-10-18T15:20:00Z UTC
Hits:
~1000
Detections:
Trojan-PSW.Win32.DarkCloud.sb Trojan.MSIL.Taskun.sb Trojan.MSIL.Crypt.sb Trojan-PSW.Win32.Stelega.sb Trojan.MSIL.Inject.sb HEUR:Trojan.MSIL.Taskun.gen Trojan-Spy.Agent.SMTP.C&C PDM:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb NetTool.PlainTextCredentials.SMTP.C&C
Link:
https://opentip.kaspersky.com/dfb997172aa606be225589eda936fffafa037abc8ca25ee5c86c9faa0de13feb/results?tab=lookup
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aca029c0-8df2-4146-8f5e-a1976b60fde8
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dfb997172aa606be225589eda936fffafa037abc8ca25ee5c86c9faa0de13feb
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.25 Win 32 Exe x86
Link:
https://app.malva.re/file/62d0bea481e0740830bc19ac179a59e4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dfb997172aa606be225589eda936fffafa037abc8ca25ee5c86c9faa0de13feb/
Verdict:
Malicious
Threat:
Family.DARKCLOUD
Link:
https://tip.neiki.dev/file/dfb997172aa606be225589eda936fffafa037abc8ca25ee5c86c9faa0de13feb
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2025-10-13 03:13:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=364zofzkuydl4isvrhw2snx77l5ag6v4rsrf5zoinsp2udpbh7vq._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
1f8238b656161f5e598be3a069926d03b1554bdcfd079d0fb11604a64255d368
a310Logger
595e1d60730123df203aafa57f38b801ccbb06222b1608ba3822521866efa00e
a310Logger
752a406c3e6f56db0ca474d9ccd7b55b61ee5df6ab8d783092ea5df285a95153
a310Logger
81aaa4374132fce34696a55cac25f3ab2fcca844500f88d13e4f217cde9349ec
a310Logger
8b52baeac114ae752dd6dcb5fe5e7406ba4c1a5296b017298bf206b51324942a
a310Logger
9c8dc33044496391d8c628943ce78fb909a2cf544a9cd123d0f35fb12d8440f7
a310Logger
ad228ae1f37df4800209c80bb744a1647b5ed26b47b9b3bea1d9ecc0a58a3d44
a310Logger
bfc9ac7d4fedbbe1c2818c3f5a66035577b69f17be2d4f7180a7658935b384fa
a310Logger
+ 2'733 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery execution spyware stealer
Link:
https://tria.ge/reports/251017-gwmwtsal7w/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/07757685-c5aa-4100-81ee-dd2c45506df5
Unpacked files
SH256 hash:
a639de75db2ddb427853e21464dc02cb4d1436b2c3c19335def2489160667b54
MD5 hash:
ab1f65fc23745068abbf9ec50a1151df
SHA1 hash:
96968d717d4a44a31826be44b362ee528698a13b
Detections:
darkcloudstealer
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_CC_Regex
Create hunting rule
MALWARE_Win_A310Logger
Create hunting rule
MALWARE_Win_DarkCloud
Create hunting rule
Link:
https://www.unpac.me/results/29024cfe-e60e-4ce7-9eb2-56ac329d3dd4/
Parent samples :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 hash:
b6781edd819929c2fe8b41985314c4eaed3c35ce05a61cdf911da3f09de53074
MD5 hash:
69fe9dc75c1792830f0a6d2525d05b22
SHA1 hash:
ae712836721804406194a813b91c7dd9f122d28c
Link:
https://www.unpac.me/results/29024cfe-e60e-4ce7-9eb2-56ac329d3dd4/
SH256 hash:
9555dd1a8bba43d1f167b6ff5651957fd82278e0e15dbde1011f72a485cbc9a4
MD5 hash:
36c2f078e4c102f379a0b36fd76879d0
SHA1 hash:
cfdc38aa2330c8ded9f228d0b23ad8899047dc49
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/29024cfe-e60e-4ce7-9eb2-56ac329d3dd4/
SH256 hash:
dfb997172aa606be225589eda936fffafa037abc8ca25ee5c86c9faa0de13feb
MD5 hash:
62d0bea481e0740830bc19ac179a59e4
SHA1 hash:
873006ca6aa95c0c832edf74c4088118cc61d7f7
Link:
https://www.unpac.me/results/29024cfe-e60e-4ce7-9eb2-56ac329d3dd4/
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/dfb997172aa6/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/dfb997172aa606be225589eda936fffafa037abc8ca25ee5c86c9faa0de13feb

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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
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_CC_Regex
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing credit card regular expressions
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_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
Author:ditekSHen
Description:Detects executables using Telegram Chat Bot
Rule name:MALWARE_Win_A310Logger
Create hunting rule
Author:ditekSHen
Description:Detects A310Logger
Rule name:MALWARE_Win_DarkCloud
Create hunting rule
Author:ditekSHen
Description:Detects DarkCloud infostealer
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:ProtectSharewareV11eCompservCMS
Create hunting rule
Author:malware-lu
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vba
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:Windows_Trojan_DarkCloud_9905abce
Create hunting rule
Author:Elastic Security

File information

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

Malspam

a310Logger

Executable exe dfb997172aa606be225589eda936fffafa037abc8ca25ee5c86c9faa0de13feb

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/33167/

Comments