MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b29851dc9d25b809944aeb4087e9be9a15f48a745c44bb7c5c3180d2b829310. 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: 16


Intelligence 16 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b29851dc9d25b809944aeb4087e9be9a15f48a745c44bb7c5c3180d2b829310
SHA3-384 hash: 6f9261677345fe4fcc4e8e085baab846dce0819c452b7a79581fb2c936c3fb0003ed1b38bb1daba02016ac60ac97fe00
SHA1 hash: a47a562205aec87b0e2299f05a34a62db4ffe4c8
MD5 hash: b96e1293e3a191e96362ce73fd7126dd
humanhash: harry-seventeen-juliet-echo
File name:Booking_275_108.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:195'192 bytes
First seen:2025-07-29 06:09:09 UTC
Last seen:2025-08-12 14:42:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'754 x AgentTesla, 19'663 x Formbook, 12'252 x SnakeKeylogger)
ssdeep 3072:Cho6DuqMrQN7YVGsOY2dM+WzaHCa56+z6jQ6nGSD2GjaD+XKVi/KSV2/Y:Cho6Df92GsOY2dM+WzaHCa56+z6E6nv/
TLSH T18114921BBACA85E1D6607B36C6F605108765FDC27AF3D74E294A33E908337AA5D4070B
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
dhash icon 6975e4ac8c163681 (6 x a310Logger)
Reporter JAMESWT_WT
Tags:144-172-122-69 a310logger booking doc-pdf-dropped exe Spam-ITA

Intelligence

File Origin
# of uploads :
3
# of downloads :
42
Origin country :
IT IT
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Booking_275_108.exe
Verdict:
Malicious activity
Analysis date:
2025-07-29 06:11:09 UTC
Tags:
stealer evasion darkcloud upx
Link:
https://app.any.run/tasks/3a01c244-9f71-4d4f-a890-518c016753d9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/17474/
Verdict:
Malicious
Score:
93.3%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68886596af3050dc8d31f1d5
Tags:
injection virus msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Connection attempt
Sending an HTTP GET request
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a window
DNS request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Creating a file
Searching for synchronization primitives
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
hacktool invalid-signature net_reactor obfuscated obfuscated packed signed
Link:
https://www.filescan.io/uploads/68886597a16348d835f24c9e/reports/586b832b-7c98-4a37-9676-195f143c9161/overview
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/2b29851dc9d25b809944aeb4087e9be9a15f48a745c44bb7c5c3180d2b829310
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c064d38e-d6ec-4ddf-92f1-5f33958cb087
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2b29851dc9d25b809944aeb4087e9be9a15f48a745c44bb7c5c3180d2b829310
Verdict:
inconclusive
YARA:
10 match(es)
Tags:
.Net Executable PE (Portable Executable) SOS: 0.38 Win 32 Exe x86
Link:
https://app.malva.re/file/b96e1293e3a191e96362ce73fd7126dd
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b29851dc9d25b809944aeb4087e9be9a15f48a745c44bb7c5c3180d2b829310/
Verdict:
Malicious
Threat:
VHO:Trojan-PSW.Win32.Stealer
Link:
https://tip.neiki.dev/file/2b29851dc9d25b809944aeb4087e9be9a15f48a745c44bb7c5c3180d2b829310
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2025-07-28 23:28:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fmuykhoj2jnybgkev22aq7u35gqv6sfhixcexn6fymma2k4csmia._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
purecrypter
Create hunting rule
Similar samples:
error
a310Logger
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud adware discovery spyware stealer
Link:
https://tria.ge/reports/250729-gwmwtst1d1/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies data under HKEY_USERS
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Checks computer location settings
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
DarkCloud
Darkcloud family
Verdict:
Malicious
Tags:
DarkCloud
YARA:
n/a
Link:
https://app.threat.zone/submission/d4006ee3-0ca2-4ab8-bc42-0c91f15a62a2
Unpacked files
SH256 hash:
2b29851dc9d25b809944aeb4087e9be9a15f48a745c44bb7c5c3180d2b829310
MD5 hash:
b96e1293e3a191e96362ce73fd7126dd
SHA1 hash:
a47a562205aec87b0e2299f05a34a62db4ffe4c8
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/23f76a21-bf2e-4b74-8ec5-23ba35fdfdaa/
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/2b29851dc9d25b809944aeb4087e9be9a15f48a745c44bb7c5c3180d2b829310

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:Lumma_Stealer_Detection
Create hunting rule
Author:ashizZz
Description:Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/
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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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:Sus_CMD_Powershell_Usage
Create hunting rule
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
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:telegram_bot_api
Create hunting rule
Author:rectifyq
Description:Detects file containing Telegram Bot API
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
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.

Cape
Cape
https://www.capesandbox.com/analysis/17474/

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments