MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66b7920243197d2711568e498e3d74ee1da6611cf108e4542f3dee5040ed8fd8. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66b7920243197d2711568e498e3d74ee1da6611cf108e4542f3dee5040ed8fd8
SHA3-384 hash: 1e80b7031c14286b62e9879f3aa6500013683e804b399d09a317c3bc1fc1f9dd657a03b10c4dc897ee65a82c23b567c3
SHA1 hash: ad40d20e5b8f39f7796a13b1733f6721fe35e067
MD5 hash: 5a1678b4826594606b867e5248b6048b
humanhash: failed-oven-mobile-green
File name:MultiWZ.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:4'464'640 bytes
First seen:2021-11-18 20:19:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 98304:ZQ03yZy03aKkX1Ypa32dWBYAGOrdPbRfS5p1KTvPD72/78bh:ZQ03yZy03q1FvN83iXJb
Threatray 349 similar samples on MalwareBazaar
TLSH T1122633C17703A26AC47816BE04EC756CA7B78B5C2A7B7A22B6C4099D6F119473B4CCCD
Reporter tech_skeech
Tags:CoinMiner.XMRig exe RedLineStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MultiWZ.exe
Verdict:
No threats detected
Analysis date:
2021-11-18 20:30:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/898b5a19-d00c-42ee-ae1f-a5e1d3f75383

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

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Searching for the window
Creating a file
Searching for the Windows task manager window
Creating a file in the %AppData% subdirectories
Changing a file
Launching a process
Creating a process with a hidden window
Running batch commands
Creating a file in the %AppData% directory
Sending an HTTP POST request
Unauthorized injection to a recently created process
Blocking the User Account Control
Enabling a "Do not show hidden files" option
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6196b57743e8f62b66993e78/reports/e33cb36b-62d7-440c-a196-c55e98574087/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6f2972d0-8899-45b7-a00d-0e769f0ca88e
Result
Threat name:
RedLine
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/892281
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Disables UAC (registry)
Drops PE files with benign system names
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Schedule system process
Sigma detected: System File Execution Location Anomaly
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected RedLine Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 524755 Sample: MultiWZ.exe Startdate: 18/11/2021 Architecture: WINDOWS Score: 100 72 127.0.0.1 unknown unknown 2->72 74 pool.supportxmr.com 2->74 76 pool-fr.supportxmr.com 2->76 78 Antivirus / Scanner detection for submitted sample 2->78 80 Multi AV Scanner detection for dropped file 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 11 other signatures 2->84 9 MultiWZ.exe 8 2->9         started        signatures3 process4 file5 54 C:\Users\user\AppData\Local\...\Igpdxvsdr.exe, PE32+ 9->54 dropped 56 C:\Users\user\AppData\Local\Temp\Fwwowg.exe, PE32 9->56 dropped 58 C:\Users\user\AppData\Local\...\Acaupqz.exe, PE32 9->58 dropped 60 2 other files (1 malicious) 9->60 dropped 12 Fwwowg.exe 2 14 9->12         started        16 Acaupqz.exe 15 34 9->16         started        19 Igpdxvsdr.exe 5 9->19         started        21 Oimfkgelgk.exe 1 9->21         started        process6 dnsIp7 62 C:\Users\user\AppData\Roaming\...\smss.exe, PE32 12->62 dropped 90 Multi AV Scanner detection for dropped file 12->90 92 Uses schtasks.exe or at.exe to add and modify task schedules 12->92 94 Disables UAC (registry) 12->94 96 Tries to detect process monitoring tools (Task Manager, Process Explorer etc.) 12->96 23 smss.exe 12->23         started        26 cmd.exe 12->26         started        28 schtasks.exe 12->28         started        66 dontreachme.duckdns.org 136.144.41.189, 12208, 49749, 49773 WORLDSTREAMNL Netherlands 16->66 68 192.168.2.1 unknown unknown 16->68 70 api.ip.sb 16->70 98 Antivirus detection for dropped file 16->98 100 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 16->100 102 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 16->102 106 2 other signatures 16->106 30 conhost.exe 16->30         started        64 C:\Users\user\Microsoft\services.exe, PE32+ 19->64 dropped 104 Drops PE files with benign system names 19->104 32 cmd.exe 19->32         started        34 cmd.exe 19->34         started        36 conhost.exe 21->36         started        file8 signatures9 process10 signatures11 86 Multi AV Scanner detection for dropped file 23->86 38 conhost.exe 26->38         started        40 chcp.com 26->40         started        42 chcp.com 26->42         started        44 conhost.exe 28->44         started        88 Encrypted powershell cmdline option found 32->88 46 conhost.exe 32->46         started        48 powershell.exe 32->48         started        50 powershell.exe 32->50         started        52 conhost.exe 34->52         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66b7920243197d2711568e498e3d74ee1da6611cf108e4542f3dee5040ed8fd8/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-11-18 20:20:09 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=m23zeasddf6soekwrzey4plu5yo2myi46eeoivbphxxfaqhnr7ma._file
Verdict:
malicious
Similar samples:
0028d3b936c329c8bb2a7c17d677d9808eed4f46c123048100050819d1657464
CoinMiner
2b0cd91072bc81875fba4d9dc3b293500f110b57dd9d37028556fdb296705fb0
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4a2c3f7e489652350d3fd9df4259c52e2a9be9eb507d011779079d1e57e0301d
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4ff85ed4a6ed753731533acba81fb31b38923cea1eff55ea524b1a7cbc48bc3b
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51ad6f28307707e2443713e2506ecb87ab29b5aa363912af90c9eeae0485709a
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66d2fe8e0af50d2d155608a4dfba701aa321fa7b83d5858a91f95f9bbc96f1d1
CoinMiner
7e6b525d20c679bb8241177f2e307bb9c5b9070e4846a033640eb45eafcf64ea
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cdb8a234c896df8b45ee7bc0d69ecdaec0bfce73cacdb376048bcd3abb85a75d
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e67db91b7e8bcf1cf40735c556df7971af493cfd6b0fe4ffd25774ca7c31e070
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fa1a41ff82f9d6ca0473f9ac67f0d46e9576dd6608f9682d245f48ea872a3859
CoinMiner
+ 339 additional samples on MalwareBazaar
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:redline family:xmrig discovery evasion infostealer miner spyware stealer trojan
Link:
https://tria.ge/reports/211118-y4f7pafdhm/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: SetClipboardViewer
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Enumerates physical storage devices
Program crash
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Checks whether UAC is enabled
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
XMRig Miner Payload
RedLine
RedLine Payload
UAC bypass
xmrig
Unpacked files
SH256 hash:
66b7920243197d2711568e498e3d74ee1da6611cf108e4542f3dee5040ed8fd8
MD5 hash:
5a1678b4826594606b867e5248b6048b
SHA1 hash:
ad40d20e5b8f39f7796a13b1733f6721fe35e067
Link:
https://www.unpac.me/results/ad97f588-79fa-493d-8fcf-8d1fa7995e02/
Malware family:
RedLine
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/66b792024319/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Redline
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/66b7920243197d2711568e498e3d74ee1da6611cf108e4542f3dee5040ed8fd8

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:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

CoinMiner

Executable exe 66b7920243197d2711568e498e3d74ee1da6611cf108e4542f3dee5040ed8fd8

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/207392/

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