MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4a2ff17b64e24fbf00d70d2d4b996332cb7a4767f2c27e6a2ff93999cc44e67. 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 11 File information Comments 1
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SHA256 hash: c4a2ff17b64e24fbf00d70d2d4b996332cb7a4767f2c27e6a2ff93999cc44e67
SHA3-384 hash: 0d38a627bc30acd9f0bcc08be30df407ef54f8842f28c1116ed0d01376c4a246f0ab37b5fb68eaec488f09120f18b761
SHA1 hash: b9e836e247b4e0456bf8359a3508891bc418ac46
MD5 hash: c67b1ffb63818072eb4cc935b3f51ed5
humanhash: oven-nebraska-tennessee-chicken
File name:c67b1ffb63818072eb4cc935b3f51ed5
Download: download sample
Signature CoinMiner
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File size:29'696 bytes
First seen:2021-07-03 18:17:06 UTC
Last seen:2021-07-03 18:39:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:0f0vg/2nD/VrQirfuA0OQx61zxaJ3ImPmV24gmBtRdt5ApMZptYcFmVc03K:01+DVr17+0EPmVGm/l6pMTtYcFmVc6K
TLSH DDD23954BAA45171D2E502F3A9A3D9AC47F59B274D02A59EB0CD235A3FF3386C6223C1
Reporter zbetcheckin
Tags:32 CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c67b1ffb63818072eb4cc935b3f51ed5
Verdict:
Malicious activity
Analysis date:
2021-07-03 18:17:43 UTC
Tags:
trojan miner loader
Link:
https://app.any.run/tasks/06c6a5de-0f0c-4113-b76a-8f0b584dd7a4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Autoruns.GenericKDS.46569954.25106.16309.UNOFFICIAL
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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:
Retadup
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a0426e22-21b1-47cb-ab27-72bbe4cf7335
Result
Threat name:
Xmrig
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Detection:
malicious
Classification:
expl.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/811457
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Creates a thread in another existing process (thread injection)
Detected Stratum mining protocol
DNS related to crypt mining pools
Drops PE files with benign system names
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 context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 443868 Sample: 7xhLwiPIrR Startdate: 03/07/2021 Architecture: WINDOWS Score: 100 60 Multi AV Scanner detection for domain / URL 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus detection for URL or domain 2->64 66 12 other signatures 2->66 8 7xhLwiPIrR.exe 14 6 2->8         started        12 svchost.exe 2->12         started        15 svchost.exe 9 1 2->15         started        17 9 other processes 2->17 process3 dnsIp4 52 45.144.225.135, 49725, 49730, 80 DEDIPATH-LLCUS Netherlands 8->52 48 C:\Users\user\AppData\...\tmp50DAtmp.exe, PE32 8->48 dropped 50 C:\Users\user\AppData\...\7xhLwiPIrR.exe.log, ASCII 8->50 dropped 19 tmp50DAtmp.exe 8 8->19         started        80 Changes security center settings (notifications, updates, antivirus, firewall) 12->80 23 MpCmdRun.exe 1 12->23         started        54 127.0.0.1 unknown unknown 15->54 56 192.168.2.1 unknown unknown 15->56 file5 signatures6 process7 file8 40 C:\ProgramData\LKBNMTFJgl\csrss.exe, PE32 19->40 dropped 42 C:\ProgramData\LKBNMTFJgl\csrss, PE32 19->42 dropped 44 C:\ProgramData\LKBNMTFJgl\r.vbs, data 19->44 dropped 68 Antivirus detection for dropped file 19->68 70 Multi AV Scanner detection for dropped file 19->70 72 Machine Learning detection for dropped file 19->72 74 6 other signatures 19->74 25 notepad.exe 19->25         started        29 cmd.exe 1 19->29         started        31 eBSTnnwWmoqVtkaGyoPFFiVeydngK.exe 19->31 injected 33 conhost.exe 23->33         started        signatures9 process10 dnsIp11 58 xmr-us-east1.nanopool.org 142.44.243.6, 14444, 49735 OVHFR Canada 25->58 76 System process connects to network (likely due to code injection or exploit) 25->76 35 wscript.exe 1 29->35         started        38 conhost.exe 29->38         started        signatures12 78 Detected Stratum mining protocol 58->78 process13 file14 46 C:\Users\user\AppData\...\viTRMUuKeV.url, MS 35->46 dropped
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4a2ff17b64e24fbf00d70d2d4b996332cb7a4767f2c27e6a2ff93999cc44e67/
Threat name:
ByteCode-MSIL.Coinminer.BitCoinMiner
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Status:
Malicious
First seen:
2021-07-03 18:17:09 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  4/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ysrp6f5wjyspx4anodjnjomwgmwlpjdwp4wcpzvc76jzthgejztq._file
Result
Malware family:
xmrig
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Score:
  10/10
Tags:
family:xmrig miner upx
Link:
https://tria.ge/reports/210703-6tqs2mar3s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Drops startup file
Downloads MZ/PE file
Executes dropped EXE
UPX packed file
XMRig Miner Payload
xmrig
Unpacked files
SH256 hash:
c4a2ff17b64e24fbf00d70d2d4b996332cb7a4767f2c27e6a2ff93999cc44e67
MD5 hash:
c67b1ffb63818072eb4cc935b3f51ed5
SHA1 hash:
b9e836e247b4e0456bf8359a3508891bc418ac46
Link:
https://www.unpac.me/results/da199fcf-9cd5-4085-94d4-e7dba58d2162/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.50
Link:
https://yomi.yoroi.company/submissions/c4a2ff17b64e24fbf00d70d2d4b996332cb7a4767f2c27e6a2ff93999cc44e67

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:Glasses
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Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
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Author:Seth Hardy
Description:Glasses code features
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
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Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MAL_XMR_Miner_May19_1
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Author:Florian Roth
Description:Detects Monero Crypto Coin Miner
Reference:https://www.guardicore.com/2019/05/nansh0u-campaign-hackers-arsenal-grows-stronger/
Rule name:pe_imphash
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Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:suspicious_packer_section
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Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:XMRIG_Miner
Create hunting rule

File information

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

Web download

CoinMiner

Executable exe c4a2ff17b64e24fbf00d70d2d4b996332cb7a4767f2c27e6a2ff93999cc44e67

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1423538/

Comments


Avatar
zbet commented on 2021-07-03 18:17:07 UTC

url : hxxp://45.144.225.135/msiexec.exe