MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8662c5563163a4bfd38e68eee91831b3c07e30c022ec54bc58c381c53bb1f679. 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: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8662c5563163a4bfd38e68eee91831b3c07e30c022ec54bc58c381c53bb1f679
SHA3-384 hash: 4a9c387e26309350ffc74a19d7611212498bcd89800b0c99de4f09802ec416751832d01527b32d8d461d024eeca2db8e
SHA1 hash: 1235966791eea756ce7e5516bdbc071859c0560d
MD5 hash: 559308153e8716d398c70573ab598c3e
humanhash: emma-oscar-item-ten
File name:Ref407582.exe
Download: download sample
Signature a310Logger
Create hunting rule
File size:29'696 bytes
First seen:2022-10-03 16:44:24 UTC
Last seen:2022-10-04 08:01:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 768:4XIKSt8Q1KbF4W6tbdsA+wb2Xo2NLjZOz+eqj:xKYW6tbdsA+02XTFtOz/M
Threatray 1'050 similar samples on MalwareBazaar
TLSH T170D2626272138486F9B96AB1D84FC4A01194267EE5E3B31E71C3BF5E84F233505CBA5D
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 4d19393907e6c682 (10 x AgentTesla, 2 x a310Logger, 2 x SnakeKeylogger)
Reporter Anonymous
Tags:a310logger BluStealer exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
311
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://files.catbox.moe/kzq7t7.iso
Verdict:
Malicious activity
Analysis date:
2022-10-04 03:52:39 UTC
Tags:
trojan
Link:
https://app.any.run/tasks/0afaf131-6932-4d2f-8c26-8511474cfbdd

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/316179/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.476.26720.30803.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Creating a window
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/633b118f49c58ce767c5c11a/reports/a4d98579-bcbc-4386-ad9d-f6ea655c6830/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e997c5dc-dd8b-4176-8edc-29f34bc1fab0
Result
Threat name:
DarkCloud
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1082655
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Writes or reads registry keys via WMI
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 715212 Sample: Ref407582.exe Startdate: 03/10/2022 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 7 other signatures 2->52 6 Ref407582.exe 16 6 2->6         started        11 offic.exe 14 3 2->11         started        13 fireball.exe 14 3 2->13         started        15 2 other processes 2->15 process3 dnsIp4 44 45.155.165.63, 49708, 49712, 49713 AGROSVITUA Russian Federation 6->44 34 C:\Users\user\AppData\Roaming\...\offic.exe, PE32 6->34 dropped 36 C:\Users\user\...\offic.exe:Zone.Identifier, ASCII 6->36 dropped 38 C:\Users\user\AppData\...\Ref407582.exe.log, ASCII 6->38 dropped 60 May check the online IP address of the machine 6->60 62 Creates multiple autostart registry keys 6->62 64 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 6->64 66 Writes or reads registry keys via WMI 6->66 17 Ref407582.exe 1 16 6->17         started        68 Antivirus detection for dropped file 11->68 70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 22 offic.exe 14 11->22         started        24 offic.exe 11->24         started        74 Injects a PE file into a foreign processes 13->74 26 fireball.exe 13->26         started        28 offic.exe 15->28         started        30 fireball.exe 15->30         started        file5 signatures6 process7 dnsIp8 40 showip.net 162.55.60.2, 49711, 49716, 49717 ACPCA United States 17->40 42 192.168.2.1 unknown unknown 17->42 32 C:\Users\user\AppData\...\fireball.exe, PE32 17->32 dropped 54 Creates multiple autostart registry keys 17->54 56 Tries to steal Crypto Currency Wallets 17->56 58 Tries to harvest and steal browser information (history, passwords, etc) 22->58 file9 signatures10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8662c5563163a4bfd38e68eee91831b3c07e30c022ec54bc58c381c53bb1f679/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-10-03 16:38:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qzrmkvrrmosl7u4ondxosgbrwpah4mgaelwfjpcyyoa4ko5r6z4q._file
Verdict:
malicious
Similar samples:
121a361c245e43e5af7e9f0279bb9c908dc19f4c492551e7ef816efab6521c57
a310Logger
22be378fde3c10b23a48858e8dc01955099bfe358989e363c45c15a946730c67
a310Logger
5d0c5951ccf3f1fb05f4cb1ee1ef45a9b1161e392831e88345a298b35b278c66
a310Logger
7ef24f6499dd9fc7809783a98febc44c2dc25a3f74d02c9bf8ddbae0d3b781c6
a310Logger
8204bce8fd8bc3f634b995eb974c31971950014b47dedd928c80bd92869519ac
a310Logger
86b7ec267f285d43d22ec3695509320d65482b985e1aca941213088fb0925980
a310Logger
95c80a6add91050a965c4d38e3db1736c7cfc8c286e87c9d1c3aeb46ee3a95de
a310Logger
9f3b0574ee8ea34114c6de2ed4f351552400569e42d4032a2ec5dcff3107af1c
a310Logger
d57321805b57d9a004d652b7d8b00d9045d6940800653374e2a47c7dad2e9196
a310Logger
df4e59b22b91c69afdd19354ac0a21393799a3b9b0c3dc8aef521b2a034611b4
a310Logger
+ 1'040 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  6/10
Tags:
persistence
Link:
https://tria.ge/reports/221003-t9dxasfcck/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ebd48b26-0b2f-491f-b760-210502d59ecc
Unpacked files
SH256 hash:
8662c5563163a4bfd38e68eee91831b3c07e30c022ec54bc58c381c53bb1f679
MD5 hash:
559308153e8716d398c70573ab598c3e
SHA1 hash:
1235966791eea756ce7e5516bdbc071859c0560d
Link:
https://www.unpac.me/results/65fc315e-ac19-498f-8d4a-0d77d1b4ab9d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/8662c5563163a4bfd38e68eee91831b3c07e30c022ec54bc58c381c53bb1f679

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: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_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_A310Logger
Create hunting rule
Author:ditekSHen
Description:Detects A310Logger
Rule name:pe_imphash
Create hunting rule
Rule name:RansomwareTest8
Create hunting rule
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
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.

  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/316179/

Comments