MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 146ff4496a13e2f06b5e30a3f0b1b98d55b0fd2e404f0bae8846e5cbb1b86d71. 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: 15


Intelligence 15 IOCs YARA 18 File information Comments
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SHA256 hash: 146ff4496a13e2f06b5e30a3f0b1b98d55b0fd2e404f0bae8846e5cbb1b86d71
SHA3-384 hash: 60d9b426d897ea23cb5d796209325cd3078869a60adfdbbc16d30ae39049d97c396aca82c6dd1982df70163b169f0f80
SHA1 hash: 8eeb50eefbaa4da5bd57ae3b3d5798d101c750cc
MD5 hash: 6fe98a139d4e6829cfa4e3442a747e32
humanhash: pasta-stairway-nineteen-william
File name:file
Download: download sample
Signature CoinMiner
Create hunting rule
File size:190'464 bytes
First seen:2022-12-01 08:35:20 UTC
Last seen:2022-12-01 08:39:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b74471617151676fafb49651b36e2427 (9 x Amadey, 7 x Smoke Loader, 6 x Tofsee)
ssdeep 3072:rUdMOiWl4fCa4gzzlrrC5+3iVyYLrYCH/dtrUiDusYJ3VwOHfoKRw+60/XUjU:KMR7Cxgzzl18yYoSyFJ3Vw8A+M06
TLSH T1BA14D063B790C072C6A7A93C4865CAA16B3FB42616F5858F7B5806FF4F306D09A39347
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9a9acefecee6eae6 (50 x Smoke Loader, 41 x Amadey, 12 x RedLineStealer)
Reporter andretavare5
Tags:CoinMiner exe


Avatar
andretavare5
Sample downloaded from http://176.113.115.153:9080/13.php

Intelligence

File Origin
# of uploads :
3
# of downloads :
185
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
tofsee
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ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-12-01 08:38:05 UTC
Tags:
tofsee miner trojan
Link:
https://app.any.run/tasks/22605f57-856f-4e62-b83f-1d1a3d729288

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Tofsee
Create hunting rule
Link:
https://www.capesandbox.com/analysis/341031/
Detection(s):
SecuriteInfo.com.Trojan.Siggen19.16369.24353.9425.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a file in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Launching the process to change the firewall settings
Creating a process from a recently created file
Creating a service
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/63886774ba2a5a5de1800769/reports/63449c90-605d-47ee-8397-5521486c44d9/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/7d1edf12-8f60-4c8a-8ff7-890d17d55c51
Result
Threat name:
Tofsee
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1125111
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
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 API chain indicative of debugger detection
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 domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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: 757833 Sample: file.exe Startdate: 01/12/2022 Architecture: WINDOWS Score: 100 43 microsoft-com.mail.protection.outlook.com 2->43 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 6 other signatures 2->55 8 dpymlhqv.exe 2->8         started        11 file.exe 2 2->11         started        signatures3 process4 file5 57 Detected unpacking (changes PE section rights) 8->57 59 Detected unpacking (overwrites its own PE header) 8->59 61 Writes to foreign memory regions 8->61 67 2 other signatures 8->67 14 svchost.exe 1 8->14         started        41 C:\Users\user\AppData\Local\...\dpymlhqv.exe, PE32 11->41 dropped 63 Uses netsh to modify the Windows network and firewall settings 11->63 65 Modifies the windows firewall 11->65 18 cmd.exe 1 11->18         started        21 netsh.exe 3 11->21         started        23 cmd.exe 2 11->23         started        25 3 other processes 11->25 signatures6 process7 dnsIp8 45 svartalfheim.top 185.246.220.218, 443, 49701, 49704 LVLT-10753US Germany 14->45 47 microsoft-com.mail.protection.outlook.com 52.101.40.29, 25, 49700 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 14->47 69 System process connects to network (likely due to code injection or exploit) 14->69 71 Found API chain indicative of debugger detection 14->71 73 Deletes itself after installation 14->73 39 C:\Windows\SysWOW64\...\dpymlhqv.exe (copy), PE32 18->39 dropped 27 conhost.exe 18->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        35 conhost.exe 25->35         started        37 conhost.exe 25->37         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/146ff4496a13e2f06b5e30a3f0b1b98d55b0fd2e404f0bae8846e5cbb1b86d71/
Threat name:
Win32.Trojan.Privateloader
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Status:
Malicious
First seen:
2022-12-01 08:36:09 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=crx7islkcprpa226gcr7bmnzrvk3b7joibhqxluii3s4xmnynvyq._file
Verdict:
malicious
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:tofsee family:xmrig evasion miner persistence trojan
Link:
https://tria.ge/reports/221201-khl9xseg5v/
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
Checks computer location settings
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:
svartalfheim.top
jotunheim.name
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d04a4d8e-deae-406c-8ea2-ba7258e2a6e0
Unpacked files
SH256 hash:
146ff4496a13e2f06b5e30a3f0b1b98d55b0fd2e404f0bae8846e5cbb1b86d71
MD5 hash:
6fe98a139d4e6829cfa4e3442a747e32
SHA1 hash:
8eeb50eefbaa4da5bd57ae3b3d5798d101c750cc
Link:
https://www.unpac.me/results/d19bcc8b-d03a-4cbd-95d4-c0e20183e43b/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/146ff4496a13/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/146ff4496a13e2f06b5e30a3f0b1b98d55b0fd2e404f0bae8846e5cbb1b86d71

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:CoinMiner_Strings
Create hunting rule
Author:Florian Roth
Description:Detects mining pool protocol string in Executable
Reference:https://minergate.com/faq/what-pool-address
Rule name:MacOS_Cryptominer_Generic_333129b7
Create hunting rule
Rule name:MALWARE_Win_Tofsee
Create hunting rule
Author:ditekSHen
Description:Detects Tofsee
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:MAL_XMR_Miner_May19_1_RID2E1B
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:Trellix ATR team
Description:Monero mining software
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:PUA_Crypto_Mining_CommandLine_Indicators_Oct21
Create hunting rule
Author:Florian Roth
Description:Detects command line parameters often used by crypto mining software
Reference:https://www.poolwatch.io/coin/monero
Rule name:tofsee_yhub
Create hunting rule
Author:Billy Austin
Description:Detects Tofsee botnet, also known as Gheg
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Tofsee_26124fe4
Create hunting rule
Author:Elastic Security
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
Rule name:XMRIG_Monero_Miner_RID2DC1
Create hunting rule
Author:Florian Roth
Description:Detects Monero mining software
Reference:https://github.com/xmrig/xmrig/releases
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
Cape
Cape
https://www.capesandbox.com/analysis/341031/
  
URLhaus
https://urlhaus.abuse.ch/url/2275563/

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