MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8. 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 YARA 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8
SHA3-384 hash: 6903e29808b5e3b5512999000963b777a4378c9cb6e908274672042ef9f4547f3bdc201028c3b387300a8e3bdebbdd2d
SHA1 hash: 1e5153d4155a50ac82bee455c5c0f9f0aa688f69
MD5 hash: 5b305c615044525988a27b61fcacc777
humanhash: hot-white-jersey-indigo
File name:5b305c615044525988a27b61fcacc777
Download: download sample
Signature CoinMiner
Create hunting rule
File size:280'064 bytes
First seen:2021-08-23 20:36:24 UTC
Last seen:2021-08-23 22:12:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4dcb3c3a3fe5e134dd41266130cc79d2 (6 x RaccoonStealer, 4 x RedLineStealer, 3 x Tofsee)
ssdeep 6144:KHtz40ejmej3QEG1WOxCT5xYNapauRRRplDTwBcdPvJ7XII/TiO:Uzzejm6AEl8c53rlDZJcI7
Threatray 130 similar samples on MalwareBazaar
TLSH T10B548C30AAA1C038E5B611F855B683BCB93A7AB16B3440CF53D52AED56387E5EC30747
dhash icon ead8a89cc6e68ee0 (43 x RaccoonStealer, 31 x RedLineStealer, 20 x Smoke Loader)
Reporter zbetcheckin
Tags:32 CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5b305c615044525988a27b61fcacc777
Verdict:
Malicious activity
Analysis date:
2021-08-23 20:39:40 UTC
Tags:
trojan tofsee miner
Link:
https://app.any.run/tasks/1d9414bf-56ae-45b4-890d-d6a3444bdf01

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/181627/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader41.25700.8559.8587.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
DNS request
Launching a process
Creating a service
Moving a file to the Windows subdirectory
Launching a service
Launching the process to change the firewall settings
Creating a process from a recently created file
Connection attempt
Sending a custom TCP request
Creating a file in the Windows subdirectories
Sending a UDP request
Sending an HTTP GET request
Enabling autorun for a service
Unauthorized injection to a system process
Deleting of the original file
Adding exclusions to Windows Defender
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:
Tofsee
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/218eeaa2-8492-41ec-8231-65aaa8c22627
Result
Threat name:
Tofsee Xmrig
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/837821
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Creates files in alternative data streams (ADS)
Deletes itself after installation
Detected Stratum mining protocol
Detected unpacking (changes PE section rights)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Send many emails (e-Mail Spam)
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Sigma detected: Xmrig
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)
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected Tofsee
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 470252 Sample: asgRF2AfuM Startdate: 23/08/2021 Architecture: WINDOWS Score: 100 59 sso.godaddy.com 2->59 61 msn-com.olc.protection.outlook.com 2->61 63 91 other IPs or domains 2->63 71 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->71 73 Sigma detected: Xmrig 2->73 75 Found malware configuration 2->75 79 14 other signatures 2->79 8 ivvtstgg.exe 2->8         started        11 asgRF2AfuM.exe 2 2->11         started        14 svchost.exe 2->14         started        16 6 other processes 2->16 signatures3 77 System process connects to network (likely due to code injection or exploit) 61->77 process4 dnsIp5 91 Detected unpacking (changes PE section rights) 8->91 93 Writes to foreign memory regions 8->93 95 Allocates memory in foreign processes 8->95 97 Injects a PE file into a foreign processes 8->97 19 svchost.exe 4 1 8->19         started        53 C:\Users\user\AppData\Local\...\ivvtstgg.exe, PE32 11->53 dropped 99 Uses netsh to modify the Windows network and firewall settings 11->99 101 Modifies the windows firewall 11->101 24 cmd.exe 1 11->24         started        26 netsh.exe 3 11->26         started        28 cmd.exe 2 11->28         started        30 3 other processes 11->30 103 Changes security center settings (notifications, updates, antivirus, firewall) 14->103 55 127.0.0.1 unknown unknown 16->55 file6 signatures7 process8 dnsIp9 65 95.216.195.92, 430, 49715, 49741 HETZNER-ASDE Germany 19->65 67 swisscom.com 19->67 69 103 other IPs or domains 19->69 49 C:\Windows\SysWOW64\...\systemprofile:.repos, data 19->49 dropped 81 System process connects to network (likely due to code injection or exploit) 19->81 83 Creates files in alternative data streams (ADS) 19->83 85 Performs DNS queries to domains with low reputation 19->85 89 2 other signatures 19->89 32 svchost.exe 19->32         started        51 C:\Windows\SysWOW64\...\ivvtstgg.exe (copy), PE32 24->51 dropped 35 conhost.exe 24->35         started        37 conhost.exe 26->37         started        39 conhost.exe 26->39         started        41 conhost.exe 28->41         started        43 conhost.exe 30->43         started        45 conhost.exe 30->45         started        47 conhost.exe 30->47         started        file10 87 Detected Stratum mining protocol 65->87 signatures11 process12 dnsIp13 57 fastpool.xyz 213.91.128.133, 10060, 49742 BTC-ASBULGARIABG Bulgaria 32->57
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8/
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-08-23 20:37:09 UTC
AV detection:
24 of 45 (53.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oahzji2fshrsdo5edjs742ws2jz5erjydjslq4zytcaeykdm4sua._file
Verdict:
malicious
Similar samples:
0c79433c9f2fcc386d54c67d3bf1a0c002d6dd74d32c4888b4a8450f13e7383f
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0d9ed7e134a13d48c88c27f062d0c45e1db82972206821229a22eace941eb806
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8fcb2057bdac3ba88cb811c44a0d79358075525506b1517c3e713aec8d31a666
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92430a767afd2c33e7d5999d3238c03206bafde5b3e5f22b2bb53b7c6e1f659f
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967692708e762fda8ecb0b971aa06e33bca0b9d97b22ac7ffe8297df40a136dd
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af21217ee5523873bc4ee3b262ce06a371a1095abfea9729e3413cf9da1a0cab
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b94c5e2f0895241a0e9d81d6d8e2e4a0a24e248455cfb7b3d6566315359ea536
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cfcb21c8c129c8c2c525ecfac8bd883260eda6038e3991210765e582007451dd
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f4cf0f0987a9ede49bd9de65d7b30a72a232856e1cb7c47d287ca8ba980d43ce
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f5c60cf3334fc3093cb2b7b6bcfa480bf87a74b4edd8830b97c1ee3b3e66cefd
CoinMiner
+ 120 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:tofsee family:xmrig evasion miner persistence trojan
Link:
https://tria.ge/reports/210823-v2lej28lje/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Deletes itself
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
XMRig Miner Payload
Tofsee
Windows security bypass
xmrig
Unpacked files
SH256 hash:
5596604c1864dd894c7209cc954a5c57374c0c54a5d0df5d1d4e7e3c5aaf6bd8
MD5 hash:
966d7a43ed4feeb7f8a9eb536e94b7c1
SHA1 hash:
fea8f18b4799df4f2151e4396f5fcac010f06274
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/4be6dd23-bf7f-4767-8786-40c526c09fb5/
Parent samples :
6a6c76468f25ca6d92463cc715fe615b2b449468a85e9c183693d8ea5a70fff1
700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8
07056777e640806a058f582772f441ff608ff7b1f8bd69d20943acf35b266a2d
1a233cd70753a0c450148f0df3dc5881ef7b5bc7449a2da7da4bffa7f3d959b4
1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756
e87a5c719ac7af99f1478732889d5df0a275315b42b3b9aecc8b91333bd9c0af
SH256 hash:
700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8
MD5 hash:
5b305c615044525988a27b61fcacc777
SHA1 hash:
1e5153d4155a50ac82bee455c5c0f9f0aa688f69
Link:
https://www.unpac.me/results/4be6dd23-bf7f-4767-8786-40c526c09fb5/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/700f94a34591/report/overview.html
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/700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8

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:win_tofsee_w0
Create hunting rule
Author:akrasuski1

File information

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

Web download

CoinMiner

Executable exe 700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1558231/
Cape
Cape
https://www.capesandbox.com/analysis/181627/

Comments


Avatar
zbet commented on 2021-08-23 20:36:25 UTC

url : hxxp://185.49.70.90:2080/5.php