MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 3a137b71007144ad53b5b37513af0a9b2341cb118b928524e1297266e6413b0a. 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
| SHA256 hash: | 3a137b71007144ad53b5b37513af0a9b2341cb118b928524e1297266e6413b0a |
|---|---|
| SHA3-384 hash: | e04381404c312c32d4c800437d75a720399991ae610b31114e24d3412470a5ae7e2e7552591b3df9f75aa79fe8107001 |
| SHA1 hash: | 41dea99169efd9bf5b90aaa749b9d0eceb9a93a6 |
| MD5 hash: | 24e286d78c505dc91e49193dfd645b88 |
| humanhash: | robin-august-ack-florida |
| File name: | transferencia interbancaria (BBVA).exe |
| Download: | download sample |
| Signature | a310Logger |
| File size: | 7'680 bytes |
| First seen: | 2025-09-11 16:02:53 UTC |
| Last seen: | 2025-09-12 15:02:29 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger) |
| ssdeep | 192:iw2w8ahaHNwJEaji501Sk9ZkzMeJNsYCja:QaUtwfjE0UGKzM4sYCj |
| Threatray | 456 similar samples on MalwareBazaar |
| TLSH | T14FF1D61093E8533ACA7A4FB6ECBBD3405278E745A957DF2D288421075CA279984A3731 |
| 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 |  lowmal3 |
| Tags: | a310logger exe |
Intelligence
File Origin
# of uploads :
3
# of downloads :
87
Origin country :
DEVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
transferencia interbancaria (BBVA).exe
Verdict:
Malicious activity
Analysis date:
2025-09-11 16:04:48 UTC
Tags:
auto-startup stealer evasion darkcloud upx
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
96.5%
Tags:
smartassembly autorun packed msil
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Sending a custom TCP request
Creating a window
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
base64 obfuscated obfuscated packed packed smartassembly smart_assembly
Verdict:
Malicious
Labled as:
Marsilia.Generic
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-09-11T11:17:00Z UTC
Last seen:
2025-09-11T11:17:00Z UTC
Hits:
~1000
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops VBS files to the startup folder
Joe Sandbox ML detected suspicious sample
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: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected Generic Dropper
Yara detected PureLog Stealer
Yara detected ResolverRAT
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
11 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.42 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Status:
Malicious
First seen:
2025-09-11 14:43:52 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 38 (78.95%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
darkcloudstealer
Similar samples:
+ 446 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
5/10
Tags:
discovery
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
3a137b71007144ad53b5b37513af0a9b2341cb118b928524e1297266e6413b0a
MD5 hash:
24e286d78c505dc91e49193dfd645b88
SHA1 hash:
41dea99169efd9bf5b90aaa749b9d0eceb9a93a6
Malware family:
DarkCloud
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MassLogger
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: | CP_AllMal_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication |
| Rule name: | FreddyBearDropper |
|---|---|
| Author: | Dwarozh Hoshiar |
| Description: | Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip. |
| Rule name: | INDICATOR_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
| Rule name: | MALWARE_Win_A310Logger |
|---|---|
| Author: | ditekSHen |
| Description: | Detects A310Logger |
| 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: | 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
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