MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a76551af52b38a25b869a868de5cd1b0490889c91849b9380403d78dac2c8e1d. 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: | a76551af52b38a25b869a868de5cd1b0490889c91849b9380403d78dac2c8e1d |
|---|---|
| SHA3-384 hash: | e991118211fa678a0b3101a020393c679959836262054a4a0e82294bbc2bb6583f38d261bf5f2cecc89af4b7fa38ded9 |
| SHA1 hash: | d48f1b2f1676906cc0b729a4805cffe181afd69b |
| MD5 hash: | a7c223130a1bdbb4300a60fc8b10f3c1 |
| humanhash: | king-west-speaker-foxtrot |
| File name: | Your Leave_For Mid Year_Till _Decembre 2025 JPG.exe |
| Download: | download sample |
| Signature | a310Logger |
| File size: | 1'906'688 bytes |
| First seen: | 2025-08-04 10:32:41 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 49152:dnfDnRjkmZqKwbCDNaI+7iLocttyGUoY:dnrnpSb6iohty |
| Threatray | 225 similar samples on MalwareBazaar |
| TLSH | T189957C07BBC7ABA3C2641776C5AB041C9374E5877713DE1A3A4A2B1E58C3BFA5E41123 |
| TrID | 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1) |
| Magika | pebin |
| Reporter |  threatcat_ch |
| Tags: | a310logger exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
35
Origin country :
CHVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Your Leave_For Mid Year_Till _Decembre 2025 JPG.exe
Verdict:
Malicious activity
Analysis date:
2025-08-04 10:33:12 UTC
Tags:
auto-startup upx darkcloud ims-api generic
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
A310Logger
Verdict:
Malicious
Score:
99.1%
Tags:
obfuscate autorun xtreme virus
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% subdirectories
Reading critical registry keys
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
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
base64 fingerprint net_reactor obfuscated packed packed
Verdict:
Malicious
Labled as:
Trojan[Downloader]/MSIL.Seraph
Malware family:
DarkCloud
Verdict:
Malicious
Result
Threat name:
DarkCloud, PureLog Stealer, ResolverRAT
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Drops VBS files to the startup folder
Encrypted powershell cmdline option found
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected PureLog Stealer
Yara detected ResolverRAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
12 match(es)
Tags:
.Net .Net Obfuscator .Net Reactor Executable PE (Portable Executable) SOS: 0.27 Win 32 Exe x86
Threat name:
Win32.Trojan.Egairtigado
Status:
Malicious
First seen:
2025-08-03 23:33:41 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
darkcloudstealer
Similar samples:
+ 215 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
discovery
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
a76551af52b38a25b869a868de5cd1b0490889c91849b9380403d78dac2c8e1d
MD5 hash:
a7c223130a1bdbb4300a60fc8b10f3c1
SHA1 hash:
d48f1b2f1676906cc0b729a4805cffe181afd69b
SH256 hash:
51c6809fc6e5f78e28be64f481a5f8a16e9edcc2ae9831e6436b6a191233da99
MD5 hash:
694b21727598c8b30ad474a7393d3e35
SHA1 hash:
0763c241fd79a65b7bd39cc4f99eac5dbe2a84cc
SH256 hash:
445f5c323536da8d05f48a6c4d980c15bbacb5c73bc9b869a772b30468419435
MD5 hash:
7f591ec1e072746ca665224dd1bcb85e
SHA1 hash:
321ea6c8c6b72dea44f555248a08797b898a6404
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
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
SH256 hash:
515b6d869ffaa66d4c184f5221553ba37f089edd5a2f089da8812d64ff4c0bb2
MD5 hash:
5fc7bbb1361de54132364487fc1f2f77
SHA1 hash:
f765d0638100eb62cd4ebd2b7cd58ebea7b4634f
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.
Threat name:
Malicious File
Score:
1.00
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_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| 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
Distributed via e-mail attachment
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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