MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4af9caa288191f211f94b2bd27b50a10f0795b6e2b91ee25cb9bd10fa459e84e. 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 7 File information Comments

SHA256 hash: 4af9caa288191f211f94b2bd27b50a10f0795b6e2b91ee25cb9bd10fa459e84e
SHA3-384 hash: c5d5818459afebee0e43b03ff425adb404d70249cb9a6d3f419d41ce0ab81230d45928629f712df5db85ef3b568d4929
SHA1 hash: 258d9db706f69e587da330566d824fd642b14697
MD5 hash: 6a52ac24ca7d58add64fc39cd02b101c
humanhash: lactose-aspen-sodium-stream
File name:6a52ac24ca7d58add64fc39cd02b101c.exe
Download: download sample
Signature PripyatMiner
File size:41'472 bytes
First seen:2022-09-15 07:42:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:jXIorGozE3h7A9mewdFW9TUOh4kN+L3lbURnGLrU9M5OTK6EVvKnxKcS8bgy6Zb1:0BxG9wdFW9TVtN+hbenerUcOT8VSncc4
Threatray 2'525 similar samples on MalwareBazaar
TLSH T1321306177BEA4610E2F91A7ACDB781040775F6833623CB1F298E27490C23BD6AD41B5B
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:exe PripyatMiner

Intelligence


File Origin
# of uploads :
1
# of downloads :
303
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Creating a file
Launching a process
Sending a UDP request
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm cmd.exe exploit fingerprint packed
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:
Unknown
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Creates an undocumented autostart registry key
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
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Uses cmd line tools excessively to alter registry or file data
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Generic Downloader
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 703319 Sample: GsJGIiqPC8.exe Startdate: 15/09/2022 Architecture: WINDOWS Score: 100 63 Multi AV Scanner detection for submitted file 2->63 65 Yara detected UAC Bypass using CMSTP 2->65 67 .NET source code references suspicious native API functions 2->67 69 6 other signatures 2->69 7 GsJGIiqPC8.exe 14 17 2->7         started        12 powershell.exe 7 2->12         started        14 powershell.exe 7 2->14         started        16 4 other processes 2->16 process3 dnsIp4 55 ip-api.com 208.95.112.1, 49716, 80 TUT-ASUS United States 7->55 57 api.telegram.org 149.154.167.220, 443, 49717 TELEGRAMRU United Kingdom 7->57 53 C:\Users\user\AppData\...behaviorgraphsJGIiqPC8.exe.log, ASCII 7->53 dropped 77 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->77 79 May check the online IP address of the machine 7->79 81 Self deletion via cmd or bat file 7->81 18 cmd.exe 7->18         started        20 cmd.exe 12->20         started        23 cmd.exe 12->23         started        25 conhost.exe 12->25         started        27 cmd.exe 14->27         started        29 cmd.exe 14->29         started        31 conhost.exe 14->31         started        59 cothdesigns2.com 37.139.129.221, 443, 49718, 49719 LVLT-10753US Germany 16->59 33 cmd.exe 16->33         started        35 5 other processes 16->35 file5 signatures6 process7 signatures8 37 conhost.exe 18->37         started        39 choice.exe 18->39         started        71 Uses cmd line tools excessively to alter registry or file data 20->71 73 Uses schtasks.exe or at.exe to add and modify task schedules 20->73 75 Uses netsh to modify the Windows network and firewall settings 20->75 41 netsh.exe 20->41         started        44 netsh.exe 23->44         started        46 reg.exe 27->46         started        49 reg.exe 29->49         started        51 schtasks.exe 33->51         started        process9 dnsIp10 61 192.168.2.1 unknown unknown 41->61 83 Creates an undocumented autostart registry key 46->83 signatures11
Threat name:
Win32.Trojan.Barys
Status:
Malicious
First seen:
2022-09-14 16:26:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
14 of 40 (35.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Blocklisted process makes network request
Malware Config
Dropper Extraction:
http://cothdesigns2.com:443/obieznne.msi
http://cothdesigns2.com:443/H2022_Tool.msi
http://cothdesigns2.com:443/cmd.msi
http://cothdesigns2.com:443/xmlo.msi
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
4af9caa288191f211f94b2bd27b50a10f0795b6e2b91ee25cb9bd10fa459e84e
MD5 hash:
6a52ac24ca7d58add64fc39cd02b101c
SHA1 hash:
258d9db706f69e587da330566d824fd642b14697
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:MALWARE_Win_CoinMiner02
Author:ditekSHen
Description:Detects coinmining malware
Rule name:MAL_XMR_Miner_May19_1
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
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
Rule name:RansomwareTest3
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:rig_win64_xmrig_6_13_1_xmrig
Author:yarGen Rule Generator
Description:rig_win64 - file xmrig.exe
Reference:https://github.com/Neo23x0/yarGen
Rule name:Skystars_Malware_Imphash
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 4af9caa288191f211f94b2bd27b50a10f0795b6e2b91ee25cb9bd10fa459e84e

(this sample)

  
Delivery method
Distributed via web download

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