MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8aa720fbb142a30d24e082eb17f74ee926a4c28e6f811195518c45c1317faa24. 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



YoungLotus


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 8aa720fbb142a30d24e082eb17f74ee926a4c28e6f811195518c45c1317faa24
SHA3-384 hash: 1252bda7a3813bac88e37ac6f1049fe3f4c8d3ef9db9872da581c548cecff6922fdf13e4cbc9ce1c2d28fef7006e7d73
SHA1 hash: ba70b12f25b9a99ec52f0baa22a5161c3b2924da
MD5 hash: 60ca83b13837fc72ea22d8b73823b394
humanhash: papa-vegan-one-network
File name:crss.exe
Download: download sample
Signature YoungLotus
File size:1'232'896 bytes
First seen:2022-08-20 20:18:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c624a61bdd567ea89e9b4096944c96aa (1 x YoungLotus)
ssdeep 24576:4akfNG0ZhQtdQYqupk6e0d3X+U9G8QOsigRaNo5JuN/YN:UfohjNpk6zNrGFiggm5JuNg
TLSH T13D451286EDA4133BD23715B0681390DDEAB40EE11E39C5BA03F253DA76722F9A07D653
TrID 33.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.6% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
14.0% (.SCR) Windows screen saver (13101/52/3)
11.2% (.EXE) Win64 Executable (generic) (10523/12/4)
7.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
File icon (PE):PE icon
dhash icon 71b119dcce576333 (3'570 x Heodo, 203 x TrickBot, 19 x Gh0stRAT)
Reporter r3dbU7z
Tags:exe younglotus

Intelligence


File Origin
# of uploads :
1
# of downloads :
391
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
crss.exe
Verdict:
Suspicious activity
Analysis date:
2022-08-20 20:24:14 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the Windows directory
Creating a service
Launching a service
Creating a process from a recently created file
Searching for synchronization primitives
Enabling autorun for a service
Moving of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
67%
Tags:
anti-vm greyware packed shell32.dll virus
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.
Malware family:
Generic Malware
Verdict:
Malicious
Result
Threat name:
Young Lotus
Detection:
malicious
Classification:
bank.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Checks if browser processes are running
Detected unpacking (changes PE section rights)
Drops executables to the windows directory (C:\Windows) and starts them
Found evasive API chain (may stop execution after checking mutex)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has a writeable .text section
Tries to detect virtualization through RDTSC time measurements
Yara detected Young Lotus
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Lotok
Status:
Malicious
First seen:
2022-08-20 20:19:09 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
21 of 40 (52.50%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Suspicious behavior: RenamesItself
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Creates a Windows Service
Suspicious use of NtSetInformationThreadHideFromDebugger
Executes dropped EXE
Unpacked files
SH256 hash:
abec5087db6eeb149c5369ce097c75dceeed08b67de83f1b801cdeb1b0cb267a
MD5 hash:
5483bc40cc3edc6c526be75db0eeb7d3
SHA1 hash:
fd0f8ba80cd3a1cc2de93e1447c05caafcc1a635
Detections:
win_younglotus_g0
SH256 hash:
8aa720fbb142a30d24e082eb17f74ee926a4c28e6f811195518c45c1317faa24
MD5 hash:
60ca83b13837fc72ea22d8b73823b394
SHA1 hash:
ba70b12f25b9a99ec52f0baa22a5161c3b2924da
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:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin

File information


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

Web download

YoungLotus

Executable exe 8aa720fbb142a30d24e082eb17f74ee926a4c28e6f811195518c45c1317faa24

(this sample)

  
Delivery method
Distributed via web download

Comments