MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7a8d3fb89711f208f281c267ed8dd647cda207ecb514d37892b56a0ddafbe9a. 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


Threat unknown


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7a8d3fb89711f208f281c267ed8dd647cda207ecb514d37892b56a0ddafbe9a
SHA3-384 hash: 96626560b2406b67465b775e2246d471f80bdd1be03e6aaeefef2d020b7497fd0641c3507fe1d0e6507ed7db3d1d0e92
SHA1 hash: c7c81684ba57b3e0915c70285017c79e9cac5b38
MD5 hash: 1d9ac32d34500199a55e4c88cc6f4ca0
humanhash: pizza-mango-blue-alanine
File name:888888
Download: download sample
File size:966'656 bytes
First seen:2021-01-09 21:04:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 388df45571914ad8d32eab5bab74d1d3 (1 x CoinMiner)
ssdeep 24576:VZ9DtuLVgzktB9NHDhJ5km0DAN23/mA5a:VZSLR9NHtXkm0UNaU
Threatray 3 similar samples on MalwareBazaar
TLSH 0625AE15B18240F6CB6555308DA66736AB358B420B35CBCFB374DD5A2D32282B63B37B
Reporter r3dbU7z
Tags:exe miner XMRIG

Intelligence

File Origin
# of uploads :
1
# of downloads :
443
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
888888
Verdict:
Malicious activity
Analysis date:
2021-01-09 21:06:05 UTC
Tags:
trojan
Link:
https://app.any.run/tasks/3d492db7-9bab-428b-a148-29e7ff805490

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/111141/
Detection(s):
Win.Malware.Zusy-6840460-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
DNS request
Creating a process from a recently created file
Sending an HTTP GET request
Sending a UDP request
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a service
Launching a service
Running batch commands
Creating a process with a hidden window
Connection attempt
Searching for the window
Launching a process
Enabling autorun for a service
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:
ETERNALBLUE GhostRat Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/577360
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to automate explorer (e.g. start an application)
Contains functionality to capture and log keystrokes
Contains functionality to detect sleep reduction / modifications
Contains functionality to infect the boot sector
Creates an undocumented autostart registry key
Deletes itself after installation
Detected Stratum mining protocol
Drops executables to the windows directory (C:\Windows) and starts them
Drops HTML or HTM files to system directories
Found strings related to Crypto-Mining
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Sigma detected: Xmrig
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses known network protocols on non-standard ports
Uses regedit.exe to modify the Windows registry
Yara detected ETERNALBLUE
Yara detected GhostRat
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 337730 Sample: 888888 Startdate: 09/01/2021 Architecture: WINDOWS Score: 100 79 ip.3322.net 2->79 81 gxxs.monerogb.com 2->81 83 3 other IPs or domains 2->83 101 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->101 103 Sigma detected: Xmrig 2->103 105 Malicious sample detected (through community Yara rule) 2->105 107 15 other signatures 2->107 9 888888.exe 2 16 2->9         started        14 host..exe 2->14         started        16 svchost.exe 2->16         started        18 8 other processes 2->18 signatures3 process4 dnsIp5 93 211.23.167.155, 49732, 8800 HINETDataCommunicationBusinessGroupTW Taiwan; Republic of China (ROC) 9->93 95 180.215.224.139, 49730, 49731, 8800 BCPL-SGBGPNETGlobalASNSG Singapore 9->95 97 tta.monerorx.com 9->97 71 C:\Windows\IIS\CPUInfo.exe, PE32 9->71 dropped 73 C:\Users\user\Desktop\las.exe, PE32 9->73 dropped 75 C:\Users\user\Desktop\84.exe, PE32 9->75 dropped 77 C:\Users\user\Desktop\65.exe, PE32 9->77 dropped 133 Creates an undocumented autostart registry key 9->133 20 CPUInfo.exe 12 9->20         started        25 84.exe 1 2 9->25         started        27 las.exe 9->27         started        33 4 other processes 9->33 135 Antivirus detection for dropped file 14->135 137 Multi AV Scanner detection for dropped file 14->137 139 Machine Learning detection for dropped file 14->139 143 5 other signatures 14->143 29 host..exe 14->29         started        141 Changes security center settings (notifications, updates, antivirus, firewall) 16->141 31 MpCmdRun.exe 16->31         started        99 127.0.0.1 unknown unknown 18->99 file6 signatures7 process8 dnsIp9 87 gx1.monerorx.com 20->87 57 C:\Windows\IIS\crss.exe, PE32+ 20->57 dropped 59 C:\Windows\IIS\WinRing0x64.sys, PE32+ 20->59 dropped 61 C:\Windows\IIS\srvany.exe, PE32 20->61 dropped 115 Multi AV Scanner detection for dropped file 20->115 117 Machine Learning detection for dropped file 20->117 119 Drops executables to the windows directory (C:\Windows) and starts them 20->119 121 Sample is not signed and drops a device driver 20->121 35 crss.exe 1 20->35         started        39 cmd.exe 1 20->39         started        63 C:\Windows\SysWOW64\host..exe, PE32 25->63 dropped 123 Antivirus detection for dropped file 25->123 125 Contains functionality to automate explorer (e.g. start an application) 25->125 127 Contains functionality to infect the boot sector 25->127 131 3 other signatures 25->131 41 cmd.exe 1 25->41         started        65 C:\Windows\vhVnG\WMCSIZ.exe, PE32 27->65 dropped 67 C:\Windows\boy.exe, PE32 27->67 dropped 69 C:\Windows\vhVnG\tscl.html, ASCII 27->69 dropped 129 Drops HTML or HTM files to system directories 27->129 89 dns.monerogb.com 103.246.218.179, 49736, 49737, 49738 SDCL-AS-APSkyDigitalCoLtdTW Taiwan; Republic of China (ROC) 29->89 91 192.168.2.1 unknown unknown 29->91 43 conhost.exe 31->43         started        45 conhost.exe 33->45         started        47 conhost.exe 33->47         started        file10 signatures11 process12 dnsIp13 85 rx.monerorx.com 35->85 109 Antivirus detection for dropped file 35->109 111 Multi AV Scanner detection for dropped file 35->111 113 Machine Learning detection for dropped file 35->113 49 conhost.exe 35->49         started        51 regedit.exe 10 39->51         started        53 conhost.exe 39->53         started        55 conhost.exe 41->55         started        signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7a8d3fb89711f208f281c267ed8dd647cda207ecb514d37892b56a0ddafbe9a/
Threat name:
Win32.Backdoor.Zegost
Create hunting rule
Status:
Malicious
First seen:
2021-01-09 21:05:06 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
3bb1bbf49c6e224032025dc7dacb3862e8b16c8b39e5cc19c5aceda4dbc917d9
5d31ded12c6a8943f96522d5353af0d3bbb9a5ee81cef07db1c14c7cc0f117c6
9b6c23ee51101f9e2542bb697e7b218e0a57d51ac6b577998cba351581aa7491
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig miner persistence
Link:
https://tria.ge/reports/210109-8hjjn3bvz2/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Runs .reg file with regedit
Program crash
Drops file in Windows directory
Launches sc.exe
Drops file in Program Files directory
Drops file in System32 directory
JavaScript code in executable
Loads dropped DLL
Creates new service(s)
Executes dropped EXE
Sets service image path in registry
XMRig Miner Payload
Detected Stratum cryptominer command
Modifies WinLogon for persistence
xmrig
Unpacked files
SH256 hash:
a3a62538b3f69c8b06b84c2338fafe202dd069df60f9c2ae66c4e3588cf60ea9
MD5 hash:
2f8cb6fe4e819509372f4a15bbe6edc8
SHA1 hash:
a7d9748a3e335dc86dd4f0dac5295776f79e9bfa
Link:
https://www.unpac.me/results/de764cbb-b9ae-407f-9fbf-85d4ba8d721a/
Parent samples :
9d06ca25675308eee7646087fdd9cc585856ca022c5d9d887d809e0231fed044
00ef210a88f26be8dc6998d53a5eda9158f71842f590eea13d913f8ff3327cb7
SH256 hash:
f7a8d3fb89711f208f281c267ed8dd647cda207ecb514d37892b56a0ddafbe9a
MD5 hash:
1d9ac32d34500199a55e4c88cc6f4ca0
SHA1 hash:
c7c81684ba57b3e0915c70285017c79e9cac5b38
Link:
https://www.unpac.me/results/de764cbb-b9ae-407f-9fbf-85d4ba8d721a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f7a8d3fb89711f208f281c267ed8dd647cda207ecb514d37892b56a0ddafbe9a

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:IPPort_combo_mem
Create hunting rule
Author:James_inthe_box
Description:IP and port combo

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/111141/

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