MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 273811e7b3de14abc8cfbbb28be4ab3c39922ff09c869f1a4b6b357577f0d374. 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


Neurevt


Vendor detections: 11


Intelligence 11 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 273811e7b3de14abc8cfbbb28be4ab3c39922ff09c869f1a4b6b357577f0d374
SHA3-384 hash: 3d2817e0d9cf044b0bad977db65dea1ab5262dfe63057b408e2f3e5399d6736aa64dc694976ca64d84ffa57bfdde4f59
SHA1 hash: fb719a92039d2892fc6a7d91de15454554215543
MD5 hash: 3fad84ee18e4583656019ae08b317607
humanhash: eight-winner-venus-equal
File name:3fad84ee18e4583656019ae08b317607.exe
Download: download sample
Signature Neurevt
Create hunting rule
File size:726'020 bytes
First seen:2021-03-10 09:24:33 UTC
Last seen:2021-03-10 10:46:14 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 57de08dd0750d360184a58cee25af242 (1 x Neurevt)
ssdeep 12288:SDrrIo6QAE1Zh7aAQpfbOSar7V46aeekK:SnrItQ/R4DOShLQK
Threatray 405 similar samples on MalwareBazaar
TLSH 33F4BD339A2CE436E69A40BADEBACBE8E71D6D3C831BF0C710D4769905251E46B33475
Reporter abuse_ch
Tags:BetaBot exe Neurevt

Intelligence

File Origin
# of uploads :
3
# of downloads :
1'377
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3fad84ee18e4583656019ae08b317607.exe
Verdict:
Malicious activity
Analysis date:
2021-03-10 09:28:55 UTC
Tags:
trojan betabot opendir
Link:
https://app.any.run/tasks/fba07625-4fad-4584-8234-ff1e19aaa5af

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
BetaBot
Create hunting rule
Link:
https://www.capesandbox.com/analysis/123534/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.20269.8107.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Launching a process
Launching a service
Creating a window
Sending a UDP request
Unauthorized injection to a browser process
Searching for analyzing tools
Searching for the window
DNS request
Sending an HTTP POST request
Changing a file
Deleting a recently created file
Creating a file in the %temp% directory
Creating a process from a recently created file
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Setting browser functions hooks
Unauthorized injection to a recently created process
Moving of the original file
Enabling autorun for a service
Firewall traversal
Setting a single autorun event
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Changing settings of the browser security zones
Unauthorized injection to a system process
Enabling autorun
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.
Result
Threat name:
Betabot
Create hunting rule
Detection:
malicious
Classification:
phis.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/634121
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to create processes via WMI
Creates an undocumented autostart registry key
Creates files in alternative data streams (ADS)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies Internet Explorer zone settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Overwrites Windows DLL code with PUSH RET codes
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Writes to foreign memory regions
Yara detected Betabot
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 366027 Sample: OnZH4ftMLU.exe Startdate: 10/03/2021 Architecture: WINDOWS Score: 100 48 rusianlover.icu 2->48 70 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->70 72 Antivirus detection for URL or domain 2->72 74 Antivirus detection for dropped file 2->74 76 8 other signatures 2->76 9 OnZH4ftMLU.exe 2->9         started        12 k3qy5kuec1.exe 2->12         started        14 k3qy5kuec1.exe 2->14         started        16 2 other processes 2->16 signatures3 process4 signatures5 78 Detected unpacking (changes PE section rights) 9->78 80 Detected unpacking (overwrites its own PE header) 9->80 82 Injects a PE file into a foreign processes 9->82 18 OnZH4ftMLU.exe 12 25 9->18         started        21 WerFault.exe 12->21         started        23 WerFault.exe 2 9 14->23         started        26 WerFault.exe 23 9 16->26         started        process6 dnsIp7 60 Creates an undocumented autostart registry key 18->60 62 Maps a DLL or memory area into another process 18->62 64 Sample uses process hollowing technique 18->64 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->66 28 explorer.exe 16 55 18->28         started        68 Hides threads from debuggers 21->68 50 192.168.2.1 unknown unknown 23->50 signatures8 process9 dnsIp10 52 rusianlover.icu 212.114.52.43, 49713, 49723, 49724 COMBAHTONcombahtonGmbHDE Germany 28->52 54 estrelladamm.icu 8.210.47.214, 49721, 80 CNNIC-ALIBABA-US-NET-APAlibabaUSTechnologyCoLtdC Singapore 28->54 56 zakriasons.co 104.21.55.228, 443, 49719, 49720 CLOUDFLARENETUS United States 28->56 42 C:\Users\user\AppData\Local\...\qe753qw5m.exe, PE32 28->42 dropped 44 C:\Users\user\AppData\...\k3qy5kuec1_1.exe, PE32 28->44 dropped 46 C:\Users\user\AppData\...\93e597iqm11w3o.exe, PE32 28->46 dropped 84 System process connects to network (likely due to code injection or exploit) 28->84 86 Creates files in alternative data streams (ADS) 28->86 88 Overwrites Windows DLL code with PUSH RET codes 28->88 90 5 other signatures 28->90 33 XzKKlOxfbDjdukrmgYDVkaf.exe 2 23 28->33 injected 36 XzKKlOxfbDjdukrmgYDVkaf.exe 1 23 28->36 injected 38 XzKKlOxfbDjdukrmgYDVkaf.exe 1 23 28->38 injected 40 10 other processes 28->40 file11 signatures12 process13 signatures14 58 Hides threads from debuggers 33->58
Gathering data
Threat name:
Win32.Infostealer.Ficker
Create hunting rule
Status:
Malicious
First seen:
2021-03-10 09:25:07 UTC
AV detection:
11 of 47 (23.40%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=e44bdz5t3ykkxsgpxozixzflhq4zel7qtsdj6gslnm2xk57q2n2a._file
Verdict:
malicious
Similar samples:
0953e54968ca9407a172c0a35a00d8b30ec603770809bbd2901a070e1b83b7f8
Neurevt
21ba0bed0b05a2ce68496e73a5c103fb5b815ac2c77e997f46e5d09666c1c978
Neurevt
411e56b415d4c23a741958c3f1ada72b3e958c078d27c339678bb690b7a895c3
Neurevt
43aa01ebbd20c81ee60bd5b6bacabcdd0a84e0aeb892c0ea18383261dbcdb0fb
Neurevt
7c201535a28746b62adfa831cfccac096903f5b17ee83b8364fc890fa70a59fd
Neurevt
92ddc88d7c1bde849c18747f4fcd526c240a81efe9c74ee1dcaa4a72ecc9ac3a
Neurevt
a6f46c55982462a48a9fa43feb02b514df87a97b06a1ee073c57ae132cc1bec7
Neurevt
b7d74de8e9514ca3fbfa4676be4433069bc913f86953a79d40c6272d5077242c
Neurevt
db351de507bfb075469e69ffe4859653ca3b3d0729c0236a5d3f8fd935e01cde
Neurevt
e3670bfc1db6fb7223bb6b231ef4c3afd9d34de1d8f87b7a8e7a4cb27cfaa37d
Neurevt
+ 395 additional samples on MalwareBazaar
Result
Malware family:
betabot
Create hunting rule
Score:
  10/10
Tags:
family:betabot backdoor botnet evasion persistence spyware trojan
Link:
https://tria.ge/reports/210310-tksjsa4ck6/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer Protected Mode
Modifies Internet Explorer Protected Mode Banner
Modifies Internet Explorer settings
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Drops desktop.ini file(s)
Checks BIOS information in registry
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Sets file execution options in registry
BetaBot
Modifies firewall policy service
Unpacked files
SH256 hash:
d9a9fdfd6c294f998ba442bf17c1eed9c96d872f271119698956c6e8e591968c
MD5 hash:
3ab9bf49c0c8d974162fb5e181c8e243
SHA1 hash:
86a974f48d5c5b0c63063cfe043c55c3a2e6a195
Link:
https://www.unpac.me/results/4afa8f96-60d7-4776-adc1-d46c0c076dc7/
SH256 hash:
273811e7b3de14abc8cfbbb28be4ab3c39922ff09c869f1a4b6b357577f0d374
MD5 hash:
3fad84ee18e4583656019ae08b317607
SHA1 hash:
fb719a92039d2892fc6a7d91de15454554215543
Link:
https://www.unpac.me/results/4afa8f96-60d7-4776-adc1-d46c0c076dc7/
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/273811e7b3de14abc8cfbbb28be4ab3c39922ff09c869f1a4b6b357577f0d374

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_EXE_SandboxHookingDLL
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxProductID
Create hunting rule
Author:ditekSHen
Description:Detects binaries and memory artifcats referencing sandbox product IDs
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Steam_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Steam in files like avemaria
Rule name:UAC_bypass_bin_mem
Create hunting rule
Author:James_inthe_box
Description:UAC bypass in files like avemaria
Rule name:VMware_detection_bin_mem
Create hunting rule
Author:James_inthe_box
Description:VMWare detection
Rule name:win_betabot_w0
Create hunting rule
Author:Venom23
Description:Neurevt Malware Sig

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/123534/

Comments