MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3357e7ea44e4d30304b1e5a4f53da37c848ce10fda0bd03a4f0dc0c5220e336. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3357e7ea44e4d30304b1e5a4f53da37c848ce10fda0bd03a4f0dc0c5220e336
SHA3-384 hash: 3ccc851476be7645361ad34667ed69210db284e0075de3f2943e47ef4fe300d1df81a29fe29c78e8bf601a3baaf2a0b2
SHA1 hash: 2201a210e9680ec079b08bdb1da6d23112d87dcc
MD5 hash: 6f593dbea0a8703af52bd66f582251a4
humanhash: alabama-solar-rugby-cat
File name:6f593dbea0a8703af52bd66f582251a4.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:407'040 bytes
First seen:2022-05-24 19:18:10 UTC
Last seen:2024-01-13 01:05:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 6144:rqJycjfxGqz7J1Bn+F7potY9kxqqJrNzS:rq8cj5fR+MO9kPJrhS
TLSH T1C8845B2B32958F5CCB2A1773648E64504B617F9F6043C6CEA6C97EB6DDA1322C417F22
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon c0d8d8d8d8c8f4fc (1 x RemoteManipulator, 1 x CoinMiner.XMRig, 1 x CoinMiner)
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
354
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6f593dbea0a8703af52bd66f582251a4.exe
Verdict:
No threats detected
Analysis date:
2022-05-24 21:03:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/d59afc90-2126-439d-abe6-fb22bcb87c71

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/274260/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Launching the process to change network settings
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control.exe obfuscated replace.exe update.exe
Link:
https://www.filescan.io/uploads/628d2f863223462f89dfc34e/reports/a26905f7-47e8-48a5-a8bc-b437b3f1236a/overview
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.
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/402beb8a-3409-4d58-8c85-c638595447be
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1001110
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Creates an undocumented autostart registry key
Found strings related to Crypto-Mining
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Uses netsh to modify the Windows network and firewall settings
Uses netstat to query active network connections and open ports
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 633602 Sample: O1uGAfT4zU.exe Startdate: 25/05/2022 Architecture: WINDOWS Score: 100 46 msupdate.info 2->46 56 Multi AV Scanner detection for domain / URL 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus detection for URL or domain 2->60 62 7 other signatures 2->62 8 O1uGAfT4zU.exe 22 17 2->8         started        13 svchost.exe 2->13         started        15 svchost.exe 1 1 2->15         started        17 10 other processes 2->17 signatures3 process4 dnsIp5 50 msupdate.info 5.133.65.53, 443, 49768, 49778 BALTNETACustomersASLT Lithuania 8->50 52 192.168.2.1 unknown unknown 8->52 42 C:\Users\user\Desktop\temp\$77_oracle.exe, PE32+ 8->42 dropped 44 C:\Users\user\Desktop\$77_oracle.exe (copy), PE32+ 8->44 dropped 66 Creates an undocumented autostart registry key 8->66 68 Uses netstat to query active network connections and open ports 8->68 70 Uses netsh to modify the Windows network and firewall settings 8->70 19 $77_oracle.exe 8->19         started        23 csc.exe 4 8->23         started        26 netsh.exe 3 8->26         started        30 10 other processes 8->30 72 Changes security center settings (notifications, updates, antivirus, firewall) 13->72 28 MpCmdRun.exe 1 13->28         started        54 127.0.0.1 unknown unknown 15->54 file6 signatures7 process8 dnsIp9 48 5.133.65.54, 49782, 80 BALTNETACustomersASLT Lithuania 19->48 64 Query firmware table information (likely to detect VMs) 19->64 32 conhost.exe 19->32         started        40 C:\Users\user\AppData\Local\...\jdt9f97v.dll, PE32 23->40 dropped 34 conhost.exe 23->34         started        36 cvtres.exe 1 23->36         started        38 conhost.exe 28->38         started        file10 signatures11 process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3357e7ea44e4d30304b1e5a4f53da37c848ce10fda0bd03a4f0dc0c5220e336/
Threat name:
ByteCode-MSIL.Trojan.Cerbu
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 09:22:42 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
40
AV detection:
10 of 41 (24.39%)
Threat level:
  5/5
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig evasion miner persistence
Link:
https://tria.ge/reports/220524-x1g45sedg2/
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Modifies powershell logging option
Checks computer location settings
Executes dropped EXE
Sets file execution options in registry
XMRig Miner Payload
xmrig
Unpacked files
SH256 hash:
a3357e7ea44e4d30304b1e5a4f53da37c848ce10fda0bd03a4f0dc0c5220e336
MD5 hash:
6f593dbea0a8703af52bd66f582251a4
SHA1 hash:
2201a210e9680ec079b08bdb1da6d23112d87dcc
Link:
https://www.unpac.me/results/6b56bdeb-b162-4d4d-aca5-c49a6bc31f69/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/a3357e7ea44e4d30304b1e5a4f53da37c848ce10fda0bd03a4f0dc0c5220e336

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly

File information

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

Web download

CoinMiner

Executable exe a3357e7ea44e4d30304b1e5a4f53da37c848ce10fda0bd03a4f0dc0c5220e336

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1925806/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/274260/

Comments