MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2c2b051b1f3085754054173c5afc5675b0bd9f2940f7ac81714f8b2d08faa63b. 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 14 File information Comments

SHA256 hash: 2c2b051b1f3085754054173c5afc5675b0bd9f2940f7ac81714f8b2d08faa63b
SHA3-384 hash: a2e861314f0d23d0d182bb283b16b3625e5c50c434b5e49cc7c0602fbd8c78d6b3e431de8d955c138004824026ff36e6
SHA1 hash: 8a2a721d35006a1fdf41e26ab7748f4195eb8913
MD5 hash: bc0a14fd2dd564053c17902c951dec3b
humanhash: single-robert-carolina-winter
File name:2c2b051b1f3085754054173c5afc5675b0bd9f2940f7ac81714f8b2d08faa63b
Download: download sample
Signature a310Logger
File size:1'160'192 bytes
First seen:2025-11-06 11:04:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:Ovf7tZmLUcQnS0uB2PGxLg1yWMnMVtyEl3:Af7tQAnS4PGxlZc
Threatray 158 similar samples on MalwareBazaar
TLSH T1403512897B8EED12C8D017F04DA0D3B223788E5CF511D317CBE56DD7B8AAA52782D192
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 :
53
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
2c2b051b1f3085754054173c5afc5675b0bd9f2940f7ac81714f8b2d08faa63b
Verdict:
Malicious activity
Analysis date:
2025-11-06 17:33:00 UTC
Tags:
auto-sch-xml darkcloud upx

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
micro spawn msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Creating a file
Сreating synchronization primitives
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap formbook lolbin msbuild obfuscated overlay packed packed reconnaissance redcap regsvcs rezer0 roboski schtasks snakekeylogger stego vbc vbnet zusy
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-20T23:58:00Z UTC
Last seen:
2025-11-03T12:35:00Z UTC
Hits:
~100
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.16 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Backdoor.FormBook
Status:
Malicious
First seen:
2025-10-21 03:54:56 UTC
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
darkcloud
Score:
  10/10
Tags:
family:darkcloud discovery execution persistence stealer
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
SmartAssembly .NET packer
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
DarkCloud
Darkcloud family
Unpacked files
SH256 hash:
2c2b051b1f3085754054173c5afc5675b0bd9f2940f7ac81714f8b2d08faa63b
MD5 hash:
bc0a14fd2dd564053c17902c951dec3b
SHA1 hash:
8a2a721d35006a1fdf41e26ab7748f4195eb8913
SH256 hash:
934b6a98dd897a18473cd8da96b8332ddb8a33364f0b7e83757fa5dcaaa5c3ca
MD5 hash:
e1686dfcf6c2bf08cf49bd1bea44b857
SHA1 hash:
1bfe9f69370be6a2eed5d5d6203e10e75fe2c594
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24 SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
319fcd2d3cf49477f13a87a95cb30fc7f8c13216e7165fde930cf04b28982822
MD5 hash:
e967722a1bacd413343bb52ebbb02d5e
SHA1 hash:
b506afcc537d5d15bb16cd985d831db6a872edf7
Detections:
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore MALWARE_Win_A310Logger
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Malware family:
DarkCloud
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_A310Logger
Author:ditekSHen
Description:Detects A310Logger
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:ProtectSharewareV11eCompservCMS
Author:malware-lu
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vba
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:Windows_Trojan_DarkCloud_9905abce
Author:Elastic Security

File information


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

Comments