MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756
SHA3-384 hash: 49ac6e34bb8dcc17a191207662e2942e378353df3c40a86f879bc473d19939dd373c64ce7c98d1715cd46f762a5d93c0
SHA1 hash: 68260081ce98caf5cca43e86cbbeb20d69018e1e
MD5 hash: 436e17ef9e2a6ad19ecff23cf1f6e642
humanhash: stream-nevada-cat-harry
File name:SecuriteInfo.com.Trojan.DownLoader41.25700.7371.25329
Download: download sample
Signature Tofsee
Create hunting rule
File size:279'040 bytes
First seen:2021-08-24 00:12:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4dcb3c3a3fe5e134dd41266130cc79d2 (6 x RaccoonStealer, 4 x RedLineStealer, 3 x Tofsee)
ssdeep 6144:pVJT4T3mCj3AR3ulKKx4/PYJaFan7EFmDcjpPj6wzTWpW8GESzJuee:tTG3muQR3Jmko74mDQPjL3WpW8A9A
Threatray 133 similar samples on MalwareBazaar
TLSH T1EF547C30AB91C034E1F611F859B683B8B93A7AB16B7450CF53D12AEE56386E4EC30757
dhash icon ead8a89cc6e68ee0 (43 x RaccoonStealer, 31 x RedLineStealer, 20 x Smoke Loader)
Reporter SecuriteInfoCom
Tags:exe Tofsee

Intelligence

File Origin
# of uploads :
1
# of downloads :
566
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.DownLoader41.25700.7371.25329
Verdict:
Malicious activity
Analysis date:
2021-08-24 00:13:22 UTC
Tags:
trojan tofsee
Link:
https://app.any.run/tasks/e79fe80d-522e-4b3e-853b-6db4a65a5433

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/181665/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader41.25700.7371.25329.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
Launching a process
Creating a service
Deleting a recently created file
Creating a file
Launching the process to change the firewall settings
Creating a process from a recently created file
Launching a service
Sending a UDP request
Enabling autorun for a service
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/24b8cdf8-9f01-4bbc-b041-f896f9333d5e
Result
Threat name:
Tofsee Xmrig
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/837879
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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: 470310 Sample: SecuriteInfo.com.Trojan.Dow... Startdate: 24/08/2021 Architecture: WINDOWS Score: 100 59 hotmail-com.olc.protection.outlook.com 2->59 61 wjzy.com 2->61 63 88 other IPs or domains 2->63 72 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->72 74 Sigma detected: Xmrig 2->74 76 Found malware configuration 2->76 80 14 other signatures 2->80 9 hqywpruu.exe 2->9         started        12 SecuriteInfo.com.Trojan.DownLoader41.25700.7371.exe 2 2->12         started        15 svchost.exe 1 2->15         started        signatures3 78 System process connects to network (likely due to code injection or exploit) 59->78 process4 file5 92 Detected unpacking (changes PE section rights) 9->92 94 Writes to foreign memory regions 9->94 96 Allocates memory in foreign processes 9->96 98 Injects a PE file into a foreign processes 9->98 17 svchost.exe 4 1 9->17         started        51 C:\Users\user\AppData\Local\...\hqywpruu.exe, PE32 12->51 dropped 100 Uses netsh to modify the Windows network and firewall settings 12->100 102 Modifies the windows firewall 12->102 22 cmd.exe 1 12->22         started        24 netsh.exe 3 12->24         started        26 cmd.exe 2 12->26         started        28 3 other processes 12->28 signatures6 process7 dnsIp8 53 193.56.146.43, 422, 49722, 49736 LVLT-10753US unknown 17->53 55 mx4.beavis99.com 17->55 57 124 other IPs or domains 17->57 47 C:\Windows\SysWOW64\...\systemprofile:.repos, data 17->47 dropped 82 System process connects to network (likely due to code injection or exploit) 17->82 84 Creates files in alternative data streams (ADS) 17->84 86 Performs DNS queries to domains with low reputation 17->86 90 2 other signatures 17->90 30 svchost.exe 17->30         started        49 C:\Windows\SysWOW64\...\hqywpruu.exe (copy), PE32 22->49 dropped 33 conhost.exe 22->33         started        35 conhost.exe 24->35         started        37 conhost.exe 26->37         started        39 conhost.exe 28->39         started        41 conhost.exe 28->41         started        43 conhost.exe 28->43         started        file9 88 Detected Stratum mining protocol 53->88 signatures10 process11 dnsIp12 65 fastpool.xyz 30->65 68 fastpool.xyz 213.91.128.133, 10060, 49748 BTC-ASBULGARIABG Bulgaria 30->68 45 conhost.exe 30->45         started        signatures13 70 Performs DNS queries to domains with low reputation 65->70 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756/
Threat name:
Win32.Trojan.Fragtor
Create hunting rule
Status:
Malicious
First seen:
2021-08-23 22:46:38 UTC
AV detection:
17 of 42 (40.48%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dlrxiubn7htdvm6uwo6cmenqowhzokc4h22j2wdrh7lfj3m2w5la._file
Verdict:
malicious
Similar samples:
07056777e640806a058f582772f441ff608ff7b1f8bd69d20943acf35b266a2d
Tofsee
0c79433c9f2fcc386d54c67d3bf1a0c002d6dd74d32c4888b4a8450f13e7383f
Tofsee
0d9ed7e134a13d48c88c27f062d0c45e1db82972206821229a22eace941eb806
Tofsee
1a233cd70753a0c450148f0df3dc5881ef7b5bc7449a2da7da4bffa7f3d959b4
Tofsee
700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8
Tofsee
8fcb2057bdac3ba88cb811c44a0d79358075525506b1517c3e713aec8d31a666
Tofsee
92430a767afd2c33e7d5999d3238c03206bafde5b3e5f22b2bb53b7c6e1f659f
Tofsee
967692708e762fda8ecb0b971aa06e33bca0b9d97b22ac7ffe8297df40a136dd
Tofsee
cfcb21c8c129c8c2c525ecfac8bd883260eda6038e3991210765e582007451dd
Tofsee
eb7d2f18d5fc15bbdeb4da2d297db7ec72004f54a4a6ef8194c23d0651538a3f
Tofsee
+ 123 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/210824-e6hm9qcpy6/
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:
5596604c1864dd894c7209cc954a5c57374c0c54a5d0df5d1d4e7e3c5aaf6bd8
MD5 hash:
966d7a43ed4feeb7f8a9eb536e94b7c1
SHA1 hash:
fea8f18b4799df4f2151e4396f5fcac010f06274
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/652ffc1d-8291-4cc4-85d2-8593b2b8be88/
Parent samples :
6a6c76468f25ca6d92463cc715fe615b2b449468a85e9c183693d8ea5a70fff1
700f94a34591e321bba41a65fe6ad2d273d245381a64b8733898804c286ce4a8
07056777e640806a058f582772f441ff608ff7b1f8bd69d20943acf35b266a2d
1a233cd70753a0c450148f0df3dc5881ef7b5bc7449a2da7da4bffa7f3d959b4
1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756
e87a5c719ac7af99f1478732889d5df0a275315b42b3b9aecc8b91333bd9c0af
SH256 hash:
1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756
MD5 hash:
436e17ef9e2a6ad19ecff23cf1f6e642
SHA1 hash:
68260081ce98caf5cca43e86cbbeb20d69018e1e
Link:
https://www.unpac.me/results/652ffc1d-8291-4cc4-85d2-8593b2b8be88/
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/1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756

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:MAL_XMR_Miner_May19_1
Create hunting rule
Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:MINER_monero_mining_detection
Create hunting rule
Author:Christiaan Beek | McAfee ATR Team
Description:Monero mining software
Rule name:win_tofsee_w0
Create hunting rule
Author:akrasuski1
Rule name:XMRIG_Monero_Miner
Create hunting rule
Author:Florian Roth
Description:Detects Monero mining software
Reference:https://github.com/xmrig/xmrig/releases

File information

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

Web download

Tofsee

Executable exe 1ae374502df9e63ab3d4b3bc2611b0758f97285c3eb49d58713fd654ed9ab756

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1558231/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/181665/

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