MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a5854283ec8b747cb9bec546ba88ac630e65f00ecf77e25bb89d791c1c0005b. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments 1

SHA256 hash: 3a5854283ec8b747cb9bec546ba88ac630e65f00ecf77e25bb89d791c1c0005b
SHA3-384 hash: a0d29768710cb7ff3f74664b688e531241cd1ed4738c00e715a11ea78e98e4a44b95738220accdacf9d60864736a8504
SHA1 hash: f20af8b83aa02cbe5b7781d22589492b5be13678
MD5 hash: b1274bf2b05820cbdf8c404723cf0c54
humanhash: blue-island-sixteen-cup
File name:b1274bf2b05820cbdf8c404723cf0c54
Download: download sample
Signature CoinMiner
File size:10'367'960 bytes
First seen:2023-09-08 15:50:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 0fdd3d21d2193b717f076a70dfaa659c (14 x CoinMiner)
ssdeep 196608:sUs5cga4rqM5Km1mdVuIM2wkAz4Au+/t5EcG2p:sUs5xa415Kmz5kmVV6cNp
Threatray 1 similar samples on MalwareBazaar
TLSH T143A6BF016E205FADE53F942B66072D68D12BAC56BD684FFB6D803E0A7FF04672448D4B
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10523/12/4)
12.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.1% (.ICL) Windows Icons Library (generic) (2059/9)
5.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0f519373d9cc750b (107 x AgentTesla, 20 x AveMariaRAT, 5 x Formbook)
Reporter zbetcheckin
Tags:64 CoinMiner exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
324
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b1274bf2b05820cbdf8c404723cf0c54
Verdict:
Malicious activity
Analysis date:
2023-09-08 16:08:48 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
Creating a file in the %temp% directory
Deleting a recently created file
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
Gathering data
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to a pastebin service (likely for C&C)
Drops executable to a common third party application directory
Found hidden mapped module (file has been removed from disk)
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Stop multiple services
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1306342 Sample: Go4djq29iE.exe Startdate: 08/09/2023 Architecture: WINDOWS Score: 100 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for dropped file 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 4 other signatures 2->56 7 updater.exe 4 2->7         started        11 Go4djq29iE.exe 5 2->11         started        13 svchost.exe 2->13         started        15 8 other processes 2->15 process3 dnsIp4 36 C:\Users\user\AppData\...\ucpggapdbcsh.sys, PE32+ 7->36 dropped 38 C:\Users\user\AppData\...\eslnyqvisbjf.tmp, PE32+ 7->38 dropped 62 Multi AV Scanner detection for dropped file 7->62 64 Writes to foreign memory regions 7->64 66 Modifies the context of a thread in another process (thread injection) 7->66 74 3 other signatures 7->74 18 dwm.exe 7->18         started        22 conhost.exe 7->22         started        40 C:\Users\user\AppData\Roaming\...\updater.exe, PE32+ 11->40 dropped 68 Adds a directory exclusion to Windows Defender 11->68 70 Drops executable to a common third party application directory 11->70 72 Changes security center settings (notifications, updates, antivirus, firewall) 13->72 24 MpCmdRun.exe 1 13->24         started        48 127.0.0.1 unknown unknown 15->48 26 conhost.exe 15->26         started        28 conhost.exe 15->28         started        30 conhost.exe 15->30         started        32 11 other processes 15->32 file5 signatures6 process7 dnsIp8 42 spoff.findeverything.xyz 172.67.220.56, 443, 49716 CLOUDFLARENETUS United States 18->42 44 pastebin.com 104.20.68.143, 443, 49714 CLOUDFLARENETUS United States 18->44 46 3 other IPs or domains 18->46 58 Query firmware table information (likely to detect VMs) 18->58 60 Performs DNS queries to domains with low reputation 18->60 34 conhost.exe 24->34         started        signatures9 process10
Threat name:
Win64.Trojan.DisguisedXMRigMiner
Status:
Malicious
First seen:
2023-09-08 14:20:09 UTC
File Type:
PE+ (Exe)
Extracted files:
13
AV detection:
17 of 36 (47.22%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig evasion miner
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Stops running service(s)
XMRig Miner payload
Suspicious use of NtCreateUserProcessOtherParentProcess
xmrig
Unpacked files
SH256 hash:
3a5854283ec8b747cb9bec546ba88ac630e65f00ecf77e25bb89d791c1c0005b
MD5 hash:
b1274bf2b05820cbdf8c404723cf0c54
SHA1 hash:
f20af8b83aa02cbe5b7781d22589492b5be13678
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

Web download

CoinMiner

Executable exe 3a5854283ec8b747cb9bec546ba88ac630e65f00ecf77e25bb89d791c1c0005b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-09-08 15:50:45 UTC

url : hxxp://81.161.229.120/raw/update/iexpress.exe