MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 259f8a663b9300a6a9422da2ba09cc5ec58455db0edf216dcc7c25d5dfe1215c. 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: 16


Intelligence 16 IOCs YARA 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 259f8a663b9300a6a9422da2ba09cc5ec58455db0edf216dcc7c25d5dfe1215c
SHA3-384 hash: 4280b1c654aed0214fdfc5ef4819be309ce66bc5cb53305f86e94e4f691196140c1f99d146a8888dc73c1ddb4c6a86aa
SHA1 hash: 40bf547f2a7dcc107c02fbf15cc6f717d8042200
MD5 hash: 1063b50e4283dd4a74e80ef4e9ab1e93
humanhash: hamper-finch-gee-alaska
File name:file
Download: download sample
Signature CoinMiner
Create hunting rule
File size:211'968 bytes
First seen:2023-11-20 19:45:58 UTC
Last seen:2023-11-20 21:14:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 238e0fa0f52afef2ef7eb9659d95319e (4 x Smoke Loader, 1 x Stealc, 1 x Tofsee)
ssdeep 3072:eZzbmIis7CwOgdSoOxrlDPlwVzoIkINXwcz5w9F12bvmdk:qViSC/gdcwVHJoim
Threatray 316 similar samples on MalwareBazaar
TLSH T1D024CF21B7E1C076F22749344AB2C6765B377CA18B7599CF3B941A7A0E312D2CB79306
TrID 45.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.4% (.EXE) Win64 Executable (generic) (10523/12/4)
9.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.6% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 1292944244ca6050 (1 x CoinMiner)
Reporter andretavare5
Tags:CoinMiner exe


Avatar
andretavare5
Sample downloaded from http://176.113.115.84:8080/4.php

Intelligence

File Origin
# of uploads :
2
# of downloads :
375
Origin country :
US US
Vendor Threat Intelligence
Malware family:
tofsee
Create hunting rule
ID:
1
File name:
http://176.113.115.84:8080/4.php
Verdict:
Malicious activity
Analysis date:
2023-11-20 19:57:30 UTC
Tags:
loader tofsee botnet
Link:
https://app.any.run/tasks/c5cdebb5-758d-430d-9d9b-96271e84e135

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Grum
Create hunting rule
Link:
https://www.capesandbox.com/analysis/459387/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.6978.28598.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Launching the process to change the firewall settings
Creating a file
Creating a process from a recently created file
Creating a service
Sending a custom TCP request
Launching a service
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun for a service
Gathering data
Gathering data
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/259f8a663b9300a6a9422da2ba09cc5ec58455db0edf216dcc7c25d5dfe1215c
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/3d7dc0c9-0185-4e77-ac04-64dd7f97141f
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1345413
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Deletes itself after installation
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found API chain indicative of debugger detection
Found malware configuration
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
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: 1345413 Sample: file.exe Startdate: 20/11/2023 Architecture: WINDOWS Score: 100 57 vanaheim.cn 2->57 59 jotunheim.name 2->59 61 microsoft-com.mail.protection.outlook.com 2->61 69 Found malware configuration 2->69 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus detection for URL or domain 2->73 75 6 other signatures 2->75 8 ljtuwsvb.exe 2->8         started        11 file.exe 2 2->11         started        14 svchost.exe 6 6 2->14         started        signatures3 process4 file5 77 Detected unpacking (changes PE section rights) 8->77 79 Detected unpacking (overwrites its own PE header) 8->79 81 Found API chain indicative of debugger detection 8->81 87 3 other signatures 8->87 16 svchost.exe 1 8->16         started        20 WerFault.exe 2 8->20         started        49 C:\Users\user\AppData\Local\...\ljtuwsvb.exe, PE32 11->49 dropped 83 Uses netsh to modify the Windows network and firewall settings 11->83 85 Modifies the windows firewall 11->85 22 cmd.exe 1 11->22         started        25 netsh.exe 2 11->25         started        27 cmd.exe 2 11->27         started        33 4 other processes 11->33 29 WerFault.exe 2 14->29         started        31 WerFault.exe 2 14->31         started        signatures6 process7 dnsIp8 51 jotunheim.name 80.66.75.77, 443, 49877 RISS-ASRU Russian Federation 16->51 53 104.47.53.36, 25, 49719, 49723 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 16->53 55 4 other IPs or domains 16->55 63 System process connects to network (likely due to code injection or exploit) 16->63 65 Found API chain indicative of debugger detection 16->65 67 Deletes itself after installation 16->67 47 (copy), PE32 22->47 dropped 35 conhost.exe 22->35         started        37 conhost.exe 25->37         started        39 conhost.exe 27->39         started        41 conhost.exe 33->41         started        43 conhost.exe 33->43         started        45 conhost.exe 33->45         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/259f8a663b9300a6a9422da2ba09cc5ec58455db0edf216dcc7c25d5dfe1215c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/259f8a663b9300a6a9422da2ba09cc5ec58455db0edf216dcc7c25d5dfe1215c/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-11-20 19:46:05 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
21 of 23 (91.30%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ewpyuzr3smaknkkcfwrlucoml3cyivo3b3psc3ompqs5lx7befoa._file
Verdict:
malicious
Similar samples:
29aecf60d2b78688a409dd254eba6414e13fded9ebca1ac8beb624e252ae2f0c
CoinMiner
57c9630ff4575c0881314c5f31f4177249c84218642cef6c3896fbc6337c380a
CoinMiner
595a5d21b386ba8e30b567cbe575b24ed104ee589037a48aa2d277452ba0b6a6
CoinMiner
659784641effc7de35c04bd4ca5e1a343d23047827cc57166fbb26fd39484767
CoinMiner
afac7896cf21983233c533eeaec870610856969d98218b0ffdfa11c6f57a8420
CoinMiner
d79a379ce1fcbe1e3548dfde37f6c2591f2ebf8de6c0d0db6f282933e529cf53
CoinMiner
+ 306 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/231120-ygyhfsag3s/
Behaviour
Modifies data under HKEY_USERS
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Deletes itself
Executes dropped EXE
Creates new service(s)
Modifies Windows Firewall
Sets service image path in registry
XMRig Miner payload
Tofsee
Windows security bypass
xmrig
Malware Config
C2 Extraction:
vanaheim.cn
jotunheim.name
Unpacked files
SH256 hash:
259f8a663b9300a6a9422da2ba09cc5ec58455db0edf216dcc7c25d5dfe1215c
MD5 hash:
1063b50e4283dd4a74e80ef4e9ab1e93
SHA1 hash:
40bf547f2a7dcc107c02fbf15cc6f717d8042200
Link:
https://www.unpac.me/results/3e024cc3-389e-44eb-8aec-afc57c639d9b/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/259f8a663b93/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/259f8a663b9300a6a9422da2ba09cc5ec58455db0edf216dcc7c25d5dfe1215c

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Detect_Tofsee
Create hunting rule
Author:@malgamy12
Description:Detect_Tofsee
Rule name:MALWARE_Win_Grum
Create hunting rule
Author:ditekSHen
Description:Detect Grum spam bot
Rule name:MALWARE_Win_Tofsee
Create hunting rule
Author:ditekSHen
Description:Detects Tofsee
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:tofsee_yhub
Create hunting rule
Author:Billy Austin
Description:Detects Tofsee botnet, also known as Gheg
Rule name:Windows_Trojan_Tofsee_26124fe4
Create hunting rule
Author:Elastic Security
Rule name:win_tofsee_bot
Create hunting rule
Author:akrasuski1
Description:Tofsee malware
Rule name:win_tofsee_w0
Create hunting rule
Author:akrasuski1
Rule name:yara_template
Create hunting rule

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
  
URLhaus
https://urlhaus.abuse.ch/url/2674304/
Cape
Cape
https://www.capesandbox.com/analysis/459387/

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