MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8bc5b89e9a8d80cb70f83dfae264e47fcef7bc5f1840a5b68b496ef62a2cbfa. 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: 10


Intelligence 10 IOCs YARA 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8bc5b89e9a8d80cb70f83dfae264e47fcef7bc5f1840a5b68b496ef62a2cbfa
SHA3-384 hash: 3f9b624af9ef6d51bca752279bb1169b9cb5d5635ef5764fee1f7976ed86179e99612bbb63f9c660f7cce279cad3e461
SHA1 hash: 0de306fbd4dcc1166003c46b6c11a88616e3e2c9
MD5 hash: 33e6609db7b2f9c606acb158b79bd795
humanhash: fifteen-ink-michigan-glucose
File name:33e6609db7b2f9c606acb158b79bd795
Download: download sample
Signature CoinMiner
Create hunting rule
File size:346'624 bytes
First seen:2021-11-05 10:22:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 3c601bcfcec4678bbeefd6cc4d60711a (1 x CoinMiner, 1 x RedLineStealer, 1 x ArkeiStealer)
ssdeep 6144:v+q9vmq1nEZAW1KRb48wlp8XAkABImao0ArZ1:v+qv1nuA2KRb48wlp5L0yZ1
TLSH T142748D00A7B0C039F4B252F879B593A9B53A7DA1AB3451CF13D62AEE56346E0EC71713
File icon (PE):PE icon
dhash icon b2dacabecee6baa6 (148 x RedLineStealer, 145 x Stop, 100 x Smoke Loader)
Reporter zbetcheckin
Tags:32 CoinMiner exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
162
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
33e6609db7b2f9c606acb158b79bd795
Verdict:
Malicious activity
Analysis date:
2021-11-05 10:34:06 UTC
Tags:
trojan tofsee miner
Link:
https://app.any.run/tasks/2f898569-d41d-4f74-a4c6-198d6947d70d

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/202673/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware2.14282.25843.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/61850608c03a81a50242210c/reports/d4494534-a30d-44b6-9602-65e1590e7247/overview
Result
Verdict:
UNKNOWN
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/b2102d95-a2c1-4152-8a14-ef2d65a633d8
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/883925
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 516361 Sample: nKDNOXTwgK Startdate: 05/11/2021 Architecture: WINDOWS Score: 100 54 microsoft-com.mail.protection.outlook.com 2->54 60 Found malware configuration 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 Yara detected Tofsee 2->64 66 6 other signatures 2->66 8 ngrhspib.exe 2->8         started        11 nKDNOXTwgK.exe 2 2->11         started        14 svchost.exe 2->14         started        16 9 other processes 2->16 signatures3 process4 dnsIp5 72 Detected unpacking (changes PE section rights) 8->72 74 Detected unpacking (overwrites its own PE header) 8->74 76 Writes to foreign memory regions 8->76 84 2 other signatures 8->84 19 svchost.exe 1 8->19         started        50 C:\Users\user\AppData\Local\...\ngrhspib.exe, PE32 11->50 dropped 78 Uses netsh to modify the Windows network and firewall settings 11->78 80 Modifies the windows firewall 11->80 23 cmd.exe 1 11->23         started        26 netsh.exe 3 11->26         started        28 cmd.exe 2 11->28         started        32 3 other processes 11->32 82 Changes security center settings (notifications, updates, antivirus, firewall) 14->82 30 MpCmdRun.exe 1 14->30         started        52 127.0.0.1 unknown unknown 16->52 file6 signatures7 process8 dnsIp9 56 quadoil.ru 85.143.175.153, 443, 49756, 49761 TRADERSOFTRU Russian Federation 19->56 58 microsoft-com.mail.protection.outlook.com 104.47.53.36, 25, 49755 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 19->58 68 System process connects to network (likely due to code injection or exploit) 19->68 70 Deletes itself after installation 19->70 48 C:\Windows\SysWOW64\...\ngrhspib.exe (copy), PE32 23->48 dropped 34 conhost.exe 23->34         started        36 conhost.exe 26->36         started        38 conhost.exe 28->38         started        40 conhost.exe 30->40         started        42 conhost.exe 32->42         started        44 conhost.exe 32->44         started        46 conhost.exe 32->46         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8bc5b89e9a8d80cb70f83dfae264e47fcef7bc5f1840a5b68b496ef62a2cbfa/
Threat name:
Win32.Trojan.Azorult
Create hunting rule
Status:
Malicious
First seen:
2021-11-05 10:23:04 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xc6fxcpjvdmaznypqpp24jsoi76o666f6gcauw3iwslo6yvczp5a._file
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:tofsee family:xmrig evasion miner persistence trojan
Link:
https://tria.ge/reports/211105-meszeabda3/
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
Malware Config
C2 Extraction:
quadoil.ru
lakeflex.ru
Unpacked files
SH256 hash:
448e8aeb2dcd412f100bd4271b6bc0f87d6922877f96d874d74144ec811de88c
MD5 hash:
40f53a7b73d2d93a204c3a74367fb4c2
SHA1 hash:
39e2dcabc45f28f8d6ec36027032d40060abb047
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/70fdb24a-8f31-4459-acfd-9d5777e58e77/
Parent samples :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 hash:
b8bc5b89e9a8d80cb70f83dfae264e47fcef7bc5f1840a5b68b496ef62a2cbfa
MD5 hash:
33e6609db7b2f9c606acb158b79bd795
SHA1 hash:
0de306fbd4dcc1166003c46b6c11a88616e3e2c9
Link:
https://www.unpac.me/results/70fdb24a-8f31-4459-acfd-9d5777e58e77/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b8bc5b89e9a8/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/b8bc5b89e9a8d80cb70f83dfae264e47fcef7bc5f1840a5b68b496ef62a2cbfa

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 b8bc5b89e9a8d80cb70f83dfae264e47fcef7bc5f1840a5b68b496ef62a2cbfa

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/202673/

Comments


Avatar
zbet commented on 2021-11-05 10:22:29 UTC

url : hxxp://192.162.246.70/6.php