MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cf03bf093e10d5846c02b4bbb67c8d22db52ef760a5ed038bdeb3633ede1c8fb. 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
| SHA256 hash: | cf03bf093e10d5846c02b4bbb67c8d22db52ef760a5ed038bdeb3633ede1c8fb |
|---|---|
| SHA3-384 hash: | fbaa180c66cc41308b770fd27601dabf304d1199effcc2f1c0725b0aab1162ac2970f0301b896de59028bd3531a29563 |
| SHA1 hash: | bb6e8a1c00afcc665e87249f21a2812baf5d326f |
| MD5 hash: | 7d4a3c76fe0b7566ad7ecece82dadd34 |
| humanhash: | angel-alpha-paris-juliet |
| File name: | MT103-4477-EFTA0001630-00050.exe |
| Download: | download sample |
| Signature | a310Logger |
| File size: | 927'744 bytes |
| First seen: | 2025-08-05 07:49:16 UTC |
| Last seen: | 2025-08-05 07:51:19 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 24576:nNXsmHoTnFB00AftKaZnPniLJpeVDwUjG2C8:nq4QFBbApxiLTcwUjlC8 |
| Threatray | 3'992 similar samples on MalwareBazaar |
| TLSH | T1A01522B62958C666E46033F549B3F37917385C6EE600D30AE3EDADEB782F3214614792 |
| TrID | 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.0% (.EXE) Win64 Executable (generic) (10522/11/4) 6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win32 Executable (generic) (4504/4/1) 1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23) |
| Magika | pebin |
| dhash icon | d9b8e8e8e96982ce (6 x SnakeKeylogger, 4 x AgentTesla, 4 x Formbook) |
| Reporter |  cocaman |
| Tags: | a310logger exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
50
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
_cf03bf093e10d5846c02b4bbb67c8d22db52ef760a5ed038bdeb3633ede1c8fb.exe
Verdict:
Malicious activity
Analysis date:
2025-08-05 08:03:45 UTC
Tags:
ims-api generic upx darkcloud
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
A310Logger
Verdict:
Malicious
Score:
94.9%
Tags:
stration shell spawn
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
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
Launching a process
Searching for the window
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a file in the Windows subdirectories
Delayed writing of the file
Modifying a system file
Stealing user critical data
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
obfuscated packed packed packer_detected vbnet
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Malware family:
DarkCloud
Verdict:
Malicious
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.evad
Score:
62 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
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 AntiVM3
Yara detected DarkCloud
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.19 Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.DARKCLOUD
Threat name:
Win32.Infostealer.Pony
Status:
Malicious
First seen:
2025-08-05 01:48:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
13 of 38 (34.21%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
darkcloudstealer
unc_loader_037
Similar samples:
+ 3'982 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Score:
10/10
Tags:
family:darkcloud discovery execution spyware stealer
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
SmartAssembly .NET packer
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot7571965885:AAEtSAMfUyYSBTkdeYMi4HkPgW1Du_Ztdds/sendMessage?chat_id=7729144640
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
SH256 hash:
cf03bf093e10d5846c02b4bbb67c8d22db52ef760a5ed038bdeb3633ede1c8fb
MD5 hash:
7d4a3c76fe0b7566ad7ecece82dadd34
SHA1 hash:
bb6e8a1c00afcc665e87249f21a2812baf5d326f
SH256 hash:
41c5eb2e427949f2759cfd002750a15e072eb40e0bd66cbad77c970a8b7c637f
MD5 hash:
8861b62f7e476363cabd1fbeea185bd6
SHA1 hash:
42a083ae1e718bf14d944c3800ed4ec709e47f92
SH256 hash:
0150cee7b04207bae968556e3a9f0441ce919e2842ed38885e6c551ec092a78c
MD5 hash:
9ce833b52f32e8cc7bfdb1f804a62035
SHA1 hash:
9f7f6cb6bf79eb63fe96c2e5f77b496c19562314
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
SUSP_OBF_NET_Reactor_Indicators_Jan24
SH256 hash:
c273b44721f9b8b965b66ad662f1a9a2cf54bd8a32685d433e44d67302688e5a
MD5 hash:
7de738010cf75727cbc207b7b4998125
SHA1 hash:
cbc0889a7a5575b0ee8c10e90344bfcacc4c3033
Detections:
darkcloudstealer
INDICATOR_SUSPICIOUS_Binary_References_Browsers
INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
INDICATOR_SUSPICIOUS_EXE_CC_Regex
MALWARE_Win_A310Logger
MALWARE_Win_DarkCloud
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_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_CC_Regex |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing credit card regular expressions |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| 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 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables containing SQL queries to confidential data stores. Observed in infostealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_TelegramChatBot |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables using Telegram Chat Bot |
| Rule name: | MALWARE_Win_A310Logger |
|---|---|
| Author: | ditekSHen |
| Description: | Detects A310Logger |
| Rule name: | MALWARE_Win_DarkCloud |
|---|---|
| Author: | ditekSHen |
| Description: | Detects DarkCloud infostealer |
| Rule name: | NET |
|---|---|
| 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: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| Rule name: | telegram_bot_api |
|---|---|
| Author: | rectifyq |
| Description: | Detects file containing Telegram Bot API |
| 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.
Malspam
Delivery method
Other
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
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