MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b107df92ff500ba6ea60893330131d3365f30691593c0ab4719578ac3b44a14d. 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


Tofsee


Vendor detections: 13


Intelligence 13 IOCs YARA 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b107df92ff500ba6ea60893330131d3365f30691593c0ab4719578ac3b44a14d
SHA3-384 hash: 8f68a2e56659418bae6b9fe8776ae8944eb5fe49428656a20477c0f35640a3502d7703a17deca925694064763bf9f994
SHA1 hash: 5ab45ff215d9563c7338bba39456d3b78b887989
MD5 hash: 5587ca95384fd66688235bea2e5a0c81
humanhash: wolfram-eleven-ten-oklahoma
File name:5587ca95384fd66688235bea2e5a0c81
Download: download sample
Signature Tofsee
Create hunting rule
File size:297'472 bytes
First seen:2021-10-05 22:16:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash af44dcafed165daab29f132f710193c2 (6 x RaccoonStealer, 2 x RedLineStealer, 1 x Tofsee)
ssdeep 6144:/LmhaXrxJHCx7HdqAT7mvs/bNAk3B79Nm:/LmhaXrxJHuHdPT1n9N
Threatray 161 similar samples on MalwareBazaar
TLSH T111549E306790C036F1F316F856BA9379A52D3EA2A77490CF52D41AFA4A346E4EC31787
File icon (PE):PE icon
dhash icon e0e8c8e8aa66a499 (3 x RaccoonStealer, 2 x RedLineStealer, 1 x Tofsee)
Reporter zbetcheckin
Tags:32 exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
910
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5587ca95384fd66688235bea2e5a0c81
Verdict:
Malicious activity
Analysis date:
2021-10-05 22:19:24 UTC
Tags:
miner trojan tofsee
Link:
https://app.any.run/tasks/bcd18041-3e39-4359-8828-1812c48d1029

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/195207/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.5621.16962.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
Moving a file to the system32 subdirectory
Launching a process
Creating a service
Launching a service
Creating a process from a recently created file
DNS request
Connection attempt
Creating a file
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun for a service
Query of malicious DNS domain
Connection attempt to an infection source
Sending a TCP request to an infection source
Unauthorized injection to a system process
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult greyware packed stop tofsee
Link:
https://www.filescan.io/uploads/615ccedfe3d213d202b7dfa5/reports/225c7a8b-7b6c-4cdf-bbbd-b74e1fe6ec46/overview
Malware family:
Tofsee
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c1422f8d-aba6-4f20-a44c-55d4ac1bb611
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/865136
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
Machine Learning detection for sample
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: 497564 Sample: f6I15ZjV7E Startdate: 06/10/2021 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 7 other signatures 2->66 8 kwiqqbqy.exe 2->8         started        11 f6I15ZjV7E.exe 2 2->11         started        14 svchost.exe 2->14         started        16 8 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\...\kwiqqbqy.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        52 192.168.2.1 unknown unknown 16->52 file6 signatures7 process8 dnsIp9 56 defeatwax.ru 193.56.146.188, 443, 49784, 49827 LVLT-10753US unknown 19->56 58 microsoft-com.mail.protection.outlook.com 40.93.207.0, 25, 49783 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\...\kwiqqbqy.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/b107df92ff500ba6ea60893330131d3365f30691593c0ab4719578ac3b44a14d/
Threat name:
Win32.Trojan.Sabsik
Create hunting rule
Status:
Malicious
First seen:
2021-10-05 22:17:05 UTC
AV detection:
25 of 45 (55.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wed57ex7kaf2n2tareztaey5gns7gburle6avndrsv4kyo2eufgq._file
Verdict:
malicious
Similar samples:
07056777e640806a058f582772f441ff608ff7b1f8bd69d20943acf35b266a2d
Tofsee
0c79433c9f2fcc386d54c67d3bf1a0c002d6dd74d32c4888b4a8450f13e7383f
Tofsee
1a233cd70753a0c450148f0df3dc5881ef7b5bc7449a2da7da4bffa7f3d959b4
Tofsee
1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756
Tofsee
700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8
Tofsee
cfcb21c8c129c8c2c525ecfac8bd883260eda6038e3991210765e582007451dd
Tofsee
e87a5c719ac7af99f1478732889d5df0a275315b42b3b9aecc8b91333bd9c0af
Tofsee
+ 151 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/211005-17cd1safem/
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
Legitimate hosting services abused for malware hosting/C2
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:
167d2a327d3ef71d65ef0bc8e148ce24259bd8261b5d1bdd48a15ff3f58dd6da
MD5 hash:
a2fcec728cf62911fd07c5c5e0bf03e3
SHA1 hash:
529f1c41e1d8cff13032c3a83eb5bdb0641c1e69
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/4f07df21-9edd-415c-87be-d12cf8adfe26/
Parent samples :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 hash:
b107df92ff500ba6ea60893330131d3365f30691593c0ab4719578ac3b44a14d
MD5 hash:
5587ca95384fd66688235bea2e5a0c81
SHA1 hash:
5ab45ff215d9563c7338bba39456d3b78b887989
Link:
https://www.unpac.me/results/4f07df21-9edd-415c-87be-d12cf8adfe26/
Malware family:
XMRIG
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/b107df92ff50/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/b107df92ff500ba6ea60893330131d3365f30691593c0ab4719578ac3b44a14d

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

Tofsee

Executable exe b107df92ff500ba6ea60893330131d3365f30691593c0ab4719578ac3b44a14d

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/195207/

Comments


Avatar
zbet commented on 2021-10-05 22:16:28 UTC

url : hxxp://193.56.146.41:9080/a.php