MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8566146b58f73b9051f3046fb7e324d0be71e31adbf271fd25acaf94a6c767b. 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


PripyatMiner


Vendor detections: 9


Intelligence 9 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8566146b58f73b9051f3046fb7e324d0be71e31adbf271fd25acaf94a6c767b
SHA3-384 hash: 0747c76d024a37ca8dd945a6bcd2c47a7c9d874cf41b96a43f5e22f2664698f36111a423ab58f3827902d2061e9ea5a9
SHA1 hash: f7086995b6486af44a3f1416b029b7f007e027da
MD5 hash: 83fc54ed061ecb58cf5d0b134a8949fb
humanhash: floor-music-utah-mockingbird
File name:83fc54ed061ecb58cf5d0b134a8949fb.exe
Download: download sample
Signature PripyatMiner
Create hunting rule
File size:153'088 bytes
First seen:2022-09-15 07:41:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 1536:sOzj7H6TEsvDHtvdddddgFJZVM0xf0xiX05q/ARE1lRDf/3bITkkToplLBuHp2Ax:hb98wK0N020IOORD3bITXo7Dwj
TLSH T1C3E318DC6B64C5B7C3AC8376A083601563F5844BE272E741BE9910E98C533A0DA56BFF
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe PripyatMiner

Intelligence

File Origin
# of uploads :
1
# of downloads :
299
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/310169/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.41502.30266.3270.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Using the Windows Management Instrumentation requests
Creating a process from a recently created file
Creating a process with a hidden window
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file in the %temp% directory
Running batch commands
Launching a process
Launching the process to change network settings
Searching for synchronization primitives
Sending a UDP request
Creating a file in the Windows subdirectories
Changing a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Changing DNS server
Enabling autorun
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
exploit packed
Link:
https://www.filescan.io/uploads/6322d7991183046074a27ace/reports/5b1b70ad-fd87-4bc6-956f-784d608230d4/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/209661ec-3585-429d-b638-1e3d478fcf5a
Result
Threat name:
Unknown
Detection:
malicious
Classification:
troj.expl.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1070756
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Self deletion via cmd or bat file
Uses the Telegram API (likely for C&C communication)
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 703302 Sample: 3gdNdAFzad.exe Startdate: 15/09/2022 Architecture: WINDOWS Score: 96 39 cothdesigns2.com 2->39 45 Antivirus detection for URL or domain 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected UAC Bypass using CMSTP 2->49 51 5 other signatures 2->51 8 3gdNdAFzad.exe 14 18 2->8         started        13 unzip.exe 3 2->13         started        15 unzip.exe 3 2->15         started        17 3 other processes 2->17 signatures3 process4 dnsIp5 41 ip-api.com 208.95.112.1, 49720, 80 TUT-ASUS United States 8->41 43 api.telegram.org 149.154.167.220, 443, 49721 TELEGRAMRU United Kingdom 8->43 35 C:\ProgramDatabehaviorgraphoogle\unzip.exe, PE32 8->35 dropped 37 C:\Users\user\AppData\...\3gdNdAFzad.exe.log, ASCII 8->37 dropped 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->53 55 May check the online IP address of the machine 8->55 57 Self deletion via cmd or bat file 8->57 19 cmd.exe 8->19         started        21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        27 conhost.exe 17->27         started        29 conhost.exe 17->29         started        file6 signatures7 process8 process9 31 conhost.exe 19->31         started        33 choice.exe 19->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8566146b58f73b9051f3046fb7e324d0be71e31adbf271fd25acaf94a6c767b/
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2022-09-14 22:50:50 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 40 (45.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zblgcrvvr5z3sbi7gbdpw7rsjuf6ohrrvw7soh6sllfpsstmoz5q._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/220915-jjpk1acce2/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Modifies registry class
Modifies registry key
Modifies system certificate store
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Adds policy Run key to start application
Executes dropped EXE
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/05382af0-31da-43e6-9b6d-0a45b8099ab5
Unpacked files
SH256 hash:
c8566146b58f73b9051f3046fb7e324d0be71e31adbf271fd25acaf94a6c767b
MD5 hash:
83fc54ed061ecb58cf5d0b134a8949fb
SHA1 hash:
f7086995b6486af44a3f1416b029b7f007e027da
Link:
https://www.unpac.me/results/b348d7e2-7cd5-48fd-bd3f-edf8f43135e6/
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/c8566146b58f73b9051f3046fb7e324d0be71e31adbf271fd25acaf94a6c767b

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:AgentTesla
Create hunting rule
Author:Harish Kumar P
Description:Yara Rule to Detect AgentTesla
Rule name:MALWARE_Win_CoinMiner02
Create hunting rule
Author:ditekSHen
Description:Detects coinmining malware
Rule name:MAL_XMR_Miner_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:MAL_XMR_Miner_May19_1_RID2E1B
Create hunting rule
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:pe_imphash
Create hunting rule
Rule name:rig_win64_xmrig_6_13_1_xmrig
Create hunting rule
Author:yarGen Rule Generator
Description:rig_win64 - file xmrig.exe
Reference:https://github.com/Neo23x0/yarGen
Rule name:shad0w_beacon_16June
Create hunting rule
Author:SBousseaden
Description:Shad0w beacon compressed
Reference:https://github.com/bats3c/shad0w
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

PripyatMiner

Executable exe c8566146b58f73b9051f3046fb7e324d0be71e31adbf271fd25acaf94a6c767b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2276801/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2276751/
Cape
Cape
https://www.capesandbox.com/analysis/310169/

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