MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99c6a7cffb112b1e7317601acbe137d21df605b662ae35f3d81806278e33285f. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 99c6a7cffb112b1e7317601acbe137d21df605b662ae35f3d81806278e33285f
SHA3-384 hash: 6ffc2555608c0bc6314269d0bf1952260de8ed44297e522e9d158535708caf3370e64b71a464bb6eaeaf0920dd1a021d
SHA1 hash: 858764d3ccaada09c4805b057b2be4df26bdf8a5
MD5 hash: cbfbbda9c5f9abb566637d9447dc40ee
humanhash: uranus-speaker-gee-comet
File name:99c6a7cffb112b1e7317601acbe137d21df605b662ae35f3d81806278e33285f
Download: download sample
Signature a310Logger
Create hunting rule
File size:1'275'392 bytes
First seen:2026-03-06 15:35:50 UTC
Last seen:2026-03-06 16:30:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'837 x AgentTesla, 19'772 x Formbook, 12'296 x SnakeKeylogger)
ssdeep 24576:nqj6fCHzbS1RBD0+zQn2SmS5mOWc8HocBTukHMLAq4YF:qj6KHfS9D8n2PSaDBTukn/Y
Threatray 36 similar samples on MalwareBazaar
TLSH T12E4512985516C903CA584B742AB2F2B417785EEEE402D317AFDCBEFB7972A550C48383
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter adrian__luca
Tags:a310logger exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
82
Origin country :
HU HU
Vendor Threat Intelligence
Malware configuration found for:
RoboSki
Details
Link:
https://research.acce.ciphertechsolutions.com/results/7d40ccda-ad7a-4b73-9fd2-7bf6b04077c8/
Malware family:
n/a
ID:
1
File name:
99c6a7cffb112b1e7317601acbe137d21df605b662ae35f3d81806278e33285f
Verdict:
Malicious activity
Analysis date:
2026-03-06 17:05:49 UTC
Tags:
evasion stealer darkcloud phishing upx auto-reg
Link:
https://app.any.run/tasks/6f86573a-199b-485a-bc39-c612d0e9dc86

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/56381/
Detection(s):
SecuriteInfo.com.Win32.MalwareX-gen.51825978.UNOFFICIAL
Create hunting rule

Gathering data
Verdict:
Malicious
Labled as:
Lazy.Generic
Link:
https://www.hybrid-analysis.com/sample/99c6a7cffb112b1e7317601acbe137d21df605b662ae35f3d81806278e33285f
Verdict:
Malicious
File Type:
exe x32
Link:
https://opentip.kaspersky.com/99c6a7cffb112b1e7317601acbe137d21df605b662ae35f3d81806278e33285f/results?tab=lookup
Malware family:
DarkCloud
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b6629584-41df-46d4-a0bc-e00547b9070e
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/99c6a7cffb112b1e7317601acbe137d21df605b662ae35f3d81806278e33285f
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.14 Win 32 Exe x86
Link:
https://app.malva.re/file/cbfbbda9c5f9abb566637d9447dc40ee
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/99c6a7cffb112b1e7317601acbe137d21df605b662ae35f3d81806278e33285f/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2026-02-26 00:56:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
25 of 36 (69.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=thdkpt73cevr44yxmanmxyjx2io7mbnwmkxdl46ydadcpdrtfbpq._file
Verdict:
malicious
Label(s):
darkcloudstealer
Create hunting rule
Similar samples:
00dac3d1311641a81fc71dbcf3979eefdb611215f60605ec43140fa575a09e55
a310Logger
049d02bca5fcfb5cc8f429493bd150a2363cfafc940a51fb60af9c298946cafa
a310Logger
a46bec2031259cff4135b985d533e9c0bdb175603d61f031c227103bbb002a7b
a310Logger
c728f04df01398027a86cd013ccdcb4090949cb1478a8e08ed8e00de7cb6d48a
a310Logger
ed505728b2762f5100e13a8a24c3506d807873dc52135d96f787b4063f30abec
a310Logger
f9b5586faacc3149e8cc0cbd920bdb8f58a6e8b57bd2acbe9215f61cdd2ea3a3
a310Logger
+ 26 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery persistence spyware stealer
Link:
https://tria.ge/reports/260306-s15g8ahx9l/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Reads WinSCP keys stored on the system
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
99c6a7cffb112b1e7317601acbe137d21df605b662ae35f3d81806278e33285f
MD5 hash:
cbfbbda9c5f9abb566637d9447dc40ee
SHA1 hash:
858764d3ccaada09c4805b057b2be4df26bdf8a5
Link:
https://www.unpac.me/results/345e62ea-a64d-48aa-9aa8-445992042fd6/
SH256 hash:
19014a290001ef2ea92a5f0bdeb5fefbb4aff3fcee0f22d397a36e42b86a1a86
MD5 hash:
17f859c4dbe30fbf2848b08806bbc7b8
SHA1 hash:
0a0d577cea8068438763097f4fc991c43eadaf6e
Link:
https://www.unpac.me/results/345e62ea-a64d-48aa-9aa8-445992042fd6/
SH256 hash:
cb6c98ec1e1907961cda05897823bb9fa2a91426151923d2d05c2cf337df8af7
MD5 hash:
56119b15ba58d337eee28de622c8ca36
SHA1 hash:
a414fe03b34925f56218a0760c0935aa4cb1da7c
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/345e62ea-a64d-48aa-9aa8-445992042fd6/
SH256 hash:
41ed2f113623e3fde83d1dbc2cd962529c1f981c794c9f775b1cfe9c12ec9ae4
MD5 hash:
3576d40e745bdd830621e4035e50903b
SHA1 hash:
b2c2e5bdff6d947904349b1d4a0f3b03538aab38
Detections:
darkcloudstealer
Create hunting rule
INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_TelegramChatBot
Create hunting rule
MALWARE_Win_A310Logger
Create hunting rule
MALWARE_Win_DarkCloud
Create hunting rule
Link:
https://www.unpac.me/results/345e62ea-a64d-48aa-9aa8-445992042fd6/
Parent samples :
43885d920258d6685b0896c6214b22b5c9f242b1ab76e75797abd91b09c52810
c3c30fc030de442cede5c078e0ba3ff227c4c57c10c23c4d7dba78e1147f3428
8e428ed7bec47c35783cca6568a6a8f8d5229669d1cce764d30ecac9ff9c28d4
089e8cfc63b61fde5010b4f4b499e775a977c3b5015ad20679008bd13653d432
53c4ecc82fbdc5f91d6a63ab46bbdef2241437719f4edd2c71318064ca5ebc5e
4d9d700211293b717f4f81e873e82fd57754ba880666ed1f214b67f4e0ac796e
99c6a7cffb112b1e7317601acbe137d21df605b662ae35f3d81806278e33285f
SH256 hash:
3b75425895af4ae3186b36277553641e37ca1d620ae18d68e40d13351b54de6a
MD5 hash:
94d1531b52774dce52a89e33646d5b1d
SHA1 hash:
29bf887b025b97bd7a9e1e261852ba824234a625
Link:
https://www.unpac.me/results/345e62ea-a64d-48aa-9aa8-445992042fd6/
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:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

a310Logger

Executable exe 99c6a7cffb112b1e7317601acbe137d21df605b662ae35f3d81806278e33285f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3679158/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/56381/

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