MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 355aa161c72b5304e44d72065302f397d266d2fab77684bfb0ca47f68425fe8e. 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: 15


Intelligence 15 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 355aa161c72b5304e44d72065302f397d266d2fab77684bfb0ca47f68425fe8e
SHA3-384 hash: 3676148298f428e40d66505270f09a691164f2b0c30ea3dc981d2755ae571ed8ee6e4174e6851ad56ff91bebd2fa7713
SHA1 hash: 52cba3b772f8c05a214c92de9612b7eec8418e51
MD5 hash: 31f7ec7934d2d9c079be2b970008b0ea
humanhash: berlin-uranus-iowa-bravo
File name:confirmación de pago.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:1'110'528 bytes
First seen:2025-07-11 06:34:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 24576:Zo6R8r/edIW6kEFV+zkP4cewd3ByL5UOuFcBAfE+8y:Z8/rW6kSgixFd33OuFcK8y
Threatray 4'071 similar samples on MalwareBazaar
TLSH T1103502942268EE07D47E57F80435D2B253B56E05B132D3035ECB6DDBBDAAB602A14BC3
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 0041555171717100 (2 x SnakeKeylogger, 1 x a310Logger, 1 x VIPKeylogger)
Reporter lowmal3
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
13
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
confirmación de pago.exe
Verdict:
Malicious activity
Analysis date:
2025-07-11 06:50:29 UTC
Tags:
stealer evasion netreactor darkcloud upx
Link:
https://app.any.run/tasks/bab1e6bb-2362-4ca0-aefc-819628e0f24b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
A310Logger
Create hunting rule
Link:
https://www.capesandbox.com/analysis/13836/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3367.18394.20202.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6870b068900df8e7f869b5f9
Tags:
virus krypt msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a process from a recently created file
Creating a file
DNS request
Connection attempt
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap confuserex lolbin msbuild obfuscated packed packed reconnaissance regsvcs roboski schtasks stego vbc vbnet
Link:
https://www.filescan.io/uploads/6870b06480b46be06e9f619a/reports/6c429f8b-192b-436c-82ec-f8cb9a24181f/overview
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/de69ce70-02f8-4b7a-980b-d4b858b2d52d
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1733405
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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
Behaviour
Behavior Graph:
Download SVG
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/355aa161c72b5304e44d72065302f397d266d2fab77684bfb0ca47f68425fe8e
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PDB Path PE (Portable Executable) SOS: 0.02 Win 32 Exe x86
Link:
https://app.malva.re/file/31f7ec7934d2d9c079be2b970008b0ea
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/355aa161c72b5304e44d72065302f397d266d2fab77684bfb0ca47f68425fe8e/
Threat name:
ByteCode-MSIL.Trojan.Snakekeylogger
Create hunting rule
Status:
Malicious
First seen:
2025-07-11 00:56:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gvnkcyohfnjqjzcnoidfgaxts7jgnux2w53ijp5qzjd7nbbf72ha._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
darkcloudstealer
Create hunting rule
Similar samples:
289574c91e6ea859bad69b437b5e803a27299ef7ca4469a691052c1cca1eead1
a310Logger
35bef5e9ce90087beef7cedaced82461cce0fd2571cb2d4d174a582939d9fde4
a310Logger
494148e85a7a23407c4164189c4d182a1a942ad5c692444fc1a10fac1b404609
a310Logger
57f242ba28ea034b26c76ba1491c864dd6d9bc314cd75e612aa93456f825ef40
a310Logger
6743ebfdaea95d355e53cc67b64b30f7af9a82507b077ed5f636cb6935ab4af9
a310Logger
76ac4f89211b5e949c1c2fcd29eabb6ac791f1a758279341949e615c7ae25424
a310Logger
7f5b09b2071ce28f9288ecc2d5c30e9d25753b836c219df62f899f05292c0223
a310Logger
bb545d84903c7d2218979820e63c4ffcdf2f482c9b45ccaa87dcc91b029819fc
a310Logger
+ 4'061 additional samples on MalwareBazaar
Result
Malware family:
darkcloud
Create hunting rule
Score:
  10/10
Tags:
family:darkcloud discovery spyware stealer
Link:
https://tria.ge/reports/250711-hbvxdafm7x/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
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/dcf4d463-2bb5-4a60-8fcf-8251a24d39a0
Unpacked files
SH256 hash:
355aa161c72b5304e44d72065302f397d266d2fab77684bfb0ca47f68425fe8e
MD5 hash:
31f7ec7934d2d9c079be2b970008b0ea
SHA1 hash:
52cba3b772f8c05a214c92de9612b7eec8418e51
Link:
https://www.unpac.me/results/43f9b37b-8084-4227-8741-327608ac9f9f/
SH256 hash:
fd9cc770e07107bd85629364dd0c0c61857c34f6039ef112626a696f7d9cfa96
MD5 hash:
302726adfca7e70d67b66bdfdd1a4605
SHA1 hash:
188bcdc8a39d4505bbdcad3a4a7226600ceb1ff8
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/43f9b37b-8084-4227-8741-327608ac9f9f/
SH256 hash:
0d8982f5045da5640fe18036e5522a913b348ee366121edbb05bf703704237ee
MD5 hash:
df66bdcffd2cf5daf3fb88e257bd76f0
SHA1 hash:
911938552c0083c6787cbbeece5e453cfed7a11d
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/43f9b37b-8084-4227-8741-327608ac9f9f/
Parent samples :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 hash:
ccfc1564b6a0152548e7dbe61835a4b1bae254b21a7894d51c2d690f1ae9e1bb
MD5 hash:
4c97ebe91e5263cc3c2d3660e673b385
SHA1 hash:
dffbceb47ed60973ef670e259872b05cecbe5780
Detections:
MALWARE_Win_A310Logger
Create hunting rule
Link:
https://www.unpac.me/results/43f9b37b-8084-4227-8741-327608ac9f9f/
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/43f9b37b-8084-4227-8741-327608ac9f9f/
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/355aa161c72b5304e44d72065302f397d266d2fab77684bfb0ca47f68425fe8e

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:FreddyBearDropper
Create hunting rule
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:MALWARE_Win_A310Logger
Create hunting rule
Author:ditekSHen
Description:Detects A310Logger
Rule name:NET
Create hunting rule
Author:malware-lu
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_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: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.

Malspam

a310Logger

Executable exe 355aa161c72b5304e44d72065302f397d266d2fab77684bfb0ca47f68425fe8e

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/13836/

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