MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dee44d528a9e1a209ce1033d466b35037be59fecf42eb7671d71aefaaeb61e84. 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: 9


Intelligence 9 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dee44d528a9e1a209ce1033d466b35037be59fecf42eb7671d71aefaaeb61e84
SHA3-384 hash: fd79e9a1774f13841638a0a02772696fc55083907921154bf8fbf010bf64fcb9538b6749012444a535e4e64a4f0e5a23
SHA1 hash: 752c5494bb6bdd7c7963a72284995bb6b82fa4f1
MD5 hash: cff0f0f01adc10c8ce3833bbf93f4f95
humanhash: asparagus-hamper-uniform-robert
File name:dee44d528a9e1a209ce1033d466b35037be59fecf42eb7671d71aefaaeb61e84
Download: download sample
Signature CoinMiner
Create hunting rule
File size:13'847'552 bytes
First seen:2020-11-11 11:39:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0bdef4d92a94790d7d279561a490c5bb (45 x Tofsee, 26 x CoinMiner)
ssdeep 6144:5CWWVCphc9KaWXpIozzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzD:PW849zWXp
Threatray 46 similar samples on MalwareBazaar
TLSH FCD62A29847B28F5C670107CF78C7B7EAAFD06F49EB4015B689C97C1E4289D454ECAA3
Reporter seifreed
Tags:CoinMiner

Intelligence

File Origin
# of uploads :
1
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Trojan.Tofsee-6840338-0
Create hunting rule

Win.Trojan.Tofsee-7102058-0
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 Windows subdirectory
Launching a process
Creating a service
Launching a service
Creating a process from a recently created file
Launching the process to change the firewall settings
DNS request
Creating a file in the Windows subdirectories
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun for a service
Sending a TCP request to an infection source
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.
Result
Threat name:
Tofsee Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/531885
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to identify kernel process list (PsInitialSystemProcess)
Contains functionality to registers a callback to get notified when the system is suspended or resumed (often done by Miners)
Creates files in alternative data streams (ADS)
Deletes itself after installation
Detected Stratum mining protocol
Drops executables to the windows directory (C:\Windows) and starts them
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
Sigma detected: Suspicious Svchost Process
System process connects to network (likely due to code injection or exploit)
Uses known network protocols on non-standard ports
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: 315043 Sample: nNDFFkS5Nl Startdate: 12/11/2020 Architecture: WINDOWS Score: 100 63 z-p42-instagram.c10r.facebook.com 2->63 65 www.sendspace.com 2->65 67 11 other IPs or domains 2->67 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for dropped file 2->81 83 Antivirus / Scanner detection for submitted sample 2->83 85 12 other signatures 2->85 9 wmslmukt.exe 2->9         started        12 nNDFFkS5Nl.exe 2 2->12         started        15 svchost.exe 2->15         started        17 6 other processes 2->17 signatures3 process4 dnsIp5 95 Writes to foreign memory regions 9->95 97 Allocates memory in foreign processes 9->97 99 Injects a PE file into a foreign processes 9->99 20 svchost.exe 3 1 9->20         started        53 C:\Users\user\AppData\Local\...\wmslmukt.exe, PE32 12->53 dropped 25 netsh.exe 3 12->25         started        27 cmd.exe 1 12->27         started        29 cmd.exe 2 12->29         started        31 3 other processes 12->31 101 Changes security center settings (notifications, updates, antivirus, firewall) 15->101 55 127.0.0.1 unknown unknown 17->55 file6 signatures7 process8 dnsIp9 69 work.a-poster.info 37.1.217.172, 25000, 49746 SCALAXY-ASNL Ukraine 20->69 71 185.253.217.20, 423, 49729 PINDC-ASRU Ukraine 20->71 73 25 other IPs or domains 20->73 51 C:\Windows\SysWOW64\...\systemprofile:.repos, data 20->51 dropped 87 System process connects to network (likely due to code injection or exploit) 20->87 89 Creates files in alternative data streams (ADS) 20->89 91 Contains functionality to identify kernel process list (PsInitialSystemProcess) 20->91 93 3 other signatures 20->93 33 svchost.exe 1 20->33         started        37 conhost.exe 25->37         started        39 conhost.exe 27->39         started        41 conhost.exe 29->41         started        43 conhost.exe 31->43         started        45 conhost.exe 31->45         started        47 conhost.exe 31->47         started        file10 signatures11 process12 dnsIp13 57 ip02.gntl.co.uk 83.151.238.34, 40005, 49738 CERBERUSNETWORKS-ASGB United Kingdom 33->57 59 msr.pool.gntl.co.uk 33->59 61 pool.gntl.co.uk 33->61 75 System process connects to network (likely due to code injection or exploit) 33->75 49 conhost.exe 33->49         started        signatures14 77 Detected Stratum mining protocol 57->77 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dee44d528a9e1a209ce1033d466b35037be59fecf42eb7671d71aefaaeb61e84/
Threat name:
Win32.Backdoor.Tofsee
Create hunting rule
Status:
Malicious
First seen:
2020-11-11 11:45:21 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=33se2uuktyncbhhbam6um2zvan56lh7m6qxlozy5ogxpvlvwd2ca._file
Verdict:
malicious
Similar samples:
075cd3a54a392266904da82ce77ad7f5f33c84e55357a1c6d9d35aadeed88132
CoinMiner
0c3080ef33448167fc2b858db5ec7b2e4705cb12ca57119088892459ea0cc832
CoinMiner
250e0338d50cf0cc388cdf0732d6a58576995ac5d74bebd9d45632450413c9a0
CoinMiner
575a4ea0536e74d52c4dbd55a5f55563cf04e9f553d9a433caf0dc651800d022
CoinMiner
587f79f301d6ca9ad6a02642cf6ebfbce12b3eaa524ecd67834ca1314447c4da
CoinMiner
753ace1bff4069f22d20bf3a205b7205e922da38e0c82495fae6b78fd376fc34
CoinMiner
7acd5433727ae9ca0e7a0ca24f70c1d15d354d8162485ad2f0a3f3e76f311914
CoinMiner
8d64110a77ed9fe2d9454816668d95ed000442a34bb558ca0447ebd8c08b30ba
CoinMiner
8fcb2057bdac3ba88cb811c44a0d79358075525506b1517c3e713aec8d31a666
CoinMiner
f5c60cf3334fc3093cb2b7b6bcfa480bf87a74b4edd8830b97c1ee3b3e66cefd
CoinMiner
+ 36 additional samples on MalwareBazaar
Result
Malware family:
tofsee
Create hunting rule
Score:
  10/10
Tags:
family:tofsee evasion persistence trojan
Link:
https://tria.ge/reports/201111-ejx46ed6kn/
Behaviour
Suspicious use of WriteProcessMemory
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Launches sc.exe
Modifies service
Suspicious use of SetThreadContext
Drops file in System32 directory
Deletes itself
Creates new service(s)
Executes dropped EXE
Modifies Windows Firewall
Sets service image path in registry
Tofsee
Windows security bypass
Unpacked files
SH256 hash:
dee44d528a9e1a209ce1033d466b35037be59fecf42eb7671d71aefaaeb61e84
MD5 hash:
cff0f0f01adc10c8ce3833bbf93f4f95
SHA1 hash:
752c5494bb6bdd7c7963a72284995bb6b82fa4f1
Detections:
win_tofsee_w0
Create hunting rule
Link:
https://www.unpac.me/results/21660679-4752-4839-8d25-04cd67841839/
Please note that we are no longer able to provide a coverage score for Virus Total.

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_Miner
Create hunting rule
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.

  
Delivery method
Other

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