MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81ec5293c1be63d2bdb173f258830914b3dfd094159211f1703b4666eeca1cbc. 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


CoinMiner


Vendor detections: 12


Intelligence 12 IOCs 2 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81ec5293c1be63d2bdb173f258830914b3dfd094159211f1703b4666eeca1cbc
SHA3-384 hash: 7fda4afffc5fbcc6a34d4134e3837076c9b4c65f5323dc8d64fff84d199ecab9ddd57204a7bbf78cad45b761110935e4
SHA1 hash: 63b39e7cd8afd8a26d3c984d4e6fa2beaa87b9a2
MD5 hash: 79f3143ac8ecd0876d303b852620f479
humanhash: illinois-football-freddie-violet
File name:79f3143ac8ecd0876d303b852620f479.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:235'008 bytes
First seen:2022-03-19 18:55:29 UTC
Last seen:2022-03-19 20:54:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a09fb7ac37c6846f86e7eae4dcb32d14 (2 x RedLineStealer, 1 x GCleaner, 1 x CoinMiner)
ssdeep 6144:oTxLfvl8PmgNJPuir/t7XhId0InOiABjUhgaQ:oViPbuir/5XWdBnOiWjkVQ
TLSH T10E34BF4976C1C0B2D5A319716870A6B1593EFD300B659EEB73C41ABE8F312E1BA30E57
File icon (PE):PE icon
dhash icon a0f0f04d4d8e8e8e (4 x RedLineStealer, 2 x CoinMiner, 1 x GCleaner)
Reporter abuse_ch
Tags:CoinMiner exe


Avatar
abuse_ch
CoinMiner C2:
5.182.5.203:48720

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
5.182.5.203:48720 https://threatfox.abuse.ch/ioc/414482/
194.87.109.41:4608 https://threatfox.abuse.ch/ioc/423023/

Intelligence

File Origin
# of uploads :
2
# of downloads :
365
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/253004/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader44.42952.22012.13026.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching the default Windows debugger (dwwin.exe)
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a window
Searching for the window
Searching for analyzing tools
Launching a process
Running batch commands
Blocking the Windows Defender launch
Unauthorized injection to a recently created process
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/9856/overview
Behaviour
MalwareBazaar
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/62362745b94fb38cb4b07c1b/reports/a9288b20-7368-49c2-b43f-22d38cc9dd18/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.
Malware family:
Zapchast
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48ff4635-cf8d-43bb-8ad9-7101417dfd5a
Result
Threat name:
RedLine Vidar onlyLogger vkeylogger
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/960158
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to inject threads in other processes
Contains functionality to register a low level keyboard hook
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious values (likely registry only malware)
Creates HTML files with .exe extension (expired dropper behavior)
Creates multiple autostart registry keys
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disable Windows Defender real time protection (registry)
Downloads files with wrong headers with respect to MIME Content-Type
Drops PE files to the document folder of the user
Found C&C like URL pattern
Found evasive API chain (may stop execution after checking mutex)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
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
PE file has a writeable .text section
Performs DNS queries to domains with low reputation
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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)
Tries to harvest and steal browser information (history, passwords, etc)
Yara detected Costura Assembly Loader
Yara detected onlyLogger
Yara detected RedLine Stealer
Yara detected Vidar stealer
Yara detected vkeylogger
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 592635 Sample: dJqkxK464u.exe Startdate: 19/03/2022 Architecture: WINDOWS Score: 100 61 ipinfo.io 2->61 63 www.icodeps.com 2->63 65 12 other IPs or domains 2->65 73 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->73 75 Multi AV Scanner detection for domain / URL 2->75 77 Malicious sample detected (through community Yara rule) 2->77 81 27 other signatures 2->81 8 dJqkxK464u.exe 5 70 2->8         started        signatures3 79 May check the online IP address of the machine 61->79 process4 dnsIp5 67 212.193.30.21, 49766, 49788, 49852 SPD-NETTR Russian Federation 8->67 69 212.193.30.45, 49765, 49851, 49857 SPD-NETTR Russian Federation 8->69 71 8 other IPs or domains 8->71 41 C:\Users\...\nzQ7PocrZ7BYT1367AqV3goK.exe, PE32 8->41 dropped 43 C:\Users\...\ijCu6l3IVbnFBwMY6nmt4YFf.exe, PE32+ 8->43 dropped 45 C:\Users\...\Snu8E0nD4x1_p1AKMSnKFnz4.exe, PE32 8->45 dropped 47 26 other files (18 malicious) 8->47 dropped 89 May check the online IP address of the machine 8->89 91 Creates HTML files with .exe extension (expired dropper behavior) 8->91 93 Tries to harvest and steal browser information (history, passwords, etc) 8->93 95 Disable Windows Defender real time protection (registry) 8->95 13 BRivV_o_fBzBweqJs32v6Nry.exe 8->13         started        16 Rd2nqV_56QyEuT5jOmkkIZ3J.exe 17 8->16         started        20 1A0cBVTxWp1TPmlGaHe6bAV_.exe 8->20         started        22 9 other processes 8->22 file6 signatures7 process8 dnsIp9 97 Maps a DLL or memory area into another process 13->97 24 explorer.exe 13->24         started        49 telegram.org 149.154.167.99, 443, 49850, 49873 TELEGRAMRU United Kingdom 16->49 51 192.168.2.1 unknown unknown 16->51 53 ipinfo.io 16->53 27 C:\Users\...\O_r_y2tIawXpjelINzHsuvBS.exe, PE32 16->27 dropped 29 C:\Users\user\AppData\Local\...\WW14[1].bmp, PE32 16->29 dropped 31 C:\...\PowerControl_Svc.exe, PE32 16->31 dropped 99 Hides threads from debuggers 20->99 55 95.217.25.49, 49863, 80 HETZNER-ASDE Germany 22->55 57 bbg.az 50.87.142.220, 443, 49871 UNIFIEDLAYER-AS-1US United States 22->57 59 2 other IPs or domains 22->59 33 C:\Users\...\pidHTSIGEi8DrAmaYu9K8ghN89.dll, PE32+ 22->33 dropped 35 C:\Users\user\AppData\...\mozglue[1].dll, PE32 22->35 dropped 37 C:\Users\user\AppData\...\freebl3[1].dll, PE32 22->37 dropped 39 2 other files (none is malicious) 22->39 dropped file10 signatures11 process12 signatures13 83 Creates autostart registry keys with suspicious values (likely registry only malware) 24->83 85 Creates multiple autostart registry keys 24->85 87 Creates an autostart registry key pointing to binary in C:\Windows 24->87
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81ec5293c1be63d2bdb173f258830914b3dfd094159211f1703b4666eeca1cbc/
Threat name:
Win32.Backdoor.Zapchast
Create hunting rule
Status:
Malicious
First seen:
2022-03-08 21:58:43 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
25 of 27 (92.59%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhwffe6bxzr5fpnropzfrayjcsz57ueucwjbd4lqhndgn3wkds6a._file
Verdict:
malicious
Result
Malware family:
vkeylogger
Create hunting rule
Score:
  10/10
Tags:
family:onlylogger family:redline family:socelars family:vidar family:vkeylogger botnet:1177 botnet:937 discovery evasion infostealer keylogger loader persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220319-xlck4sgcbk/
Behaviour
Checks SCSI registry key(s)
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Enumerates processes with tasklist
Enumerates system info in registry
Kills process with taskkill
Modifies system certificate store
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Identifies VirtualBox via ACPI registry values (likely anti-VM)
OnlyLogger Payload
Vidar Stealer
Modifies Windows Defender Real-time Protection settings
OnlyLogger
Process spawned unexpected child process
RedLine
RedLine Payload
Socelars
VKeylogger
VKeylogger Payload
Vidar
suricata: ET MALWARE GCleaner Downloader Activity M5
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
suricata: ET MALWARE Win32/Unk.HRESQ! MultiDownloader Checkin M2
Malware Config
C2 Extraction:
https://ieji.de/@sam7al
https://busshi.moe/@sam0al
Unpacked files
SH256 hash:
81ec5293c1be63d2bdb173f258830914b3dfd094159211f1703b4666eeca1cbc
MD5 hash:
79f3143ac8ecd0876d303b852620f479
SHA1 hash:
63b39e7cd8afd8a26d3c984d4e6fa2beaa87b9a2
Link:
https://www.unpac.me/results/5169837a-6f51-4fcf-938c-590f78fd6f6c/
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/81ec5293c1be63d2bdb173f258830914b3dfd094159211f1703b4666eeca1cbc

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/253004/

Comments