MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31868f961c44c39835b30bb9f1c830badc2ca50e583a7936f06ce3a32dd11d28. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31868f961c44c39835b30bb9f1c830badc2ca50e583a7936f06ce3a32dd11d28
SHA3-384 hash: dd42cf33514fa6c7b73861382d7bcbeeea592af8dbb80be83522a4250bb8ce613c5541c347b12fd40f3e279ab635d80e
SHA1 hash: 11418507a05f5fbee0453037a2084ba57eb7b90a
MD5 hash: 0b814e6fecf2ffad3d7da84a23c8e3cc
humanhash: pasta-may-lamp-beryllium
File name:0b814e6fecf2ffad3d7da84a23c8e3cc
Download: download sample
Signature CoinMiner
Create hunting rule
File size:5'172'224 bytes
First seen:2022-01-21 14:32:47 UTC
Last seen:2022-01-21 17:12:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b8ba55866bfe7b49b97c43084c1885db (25 x CoinMiner)
ssdeep 98304:t+tgobXGIWgVFv1dsXanazp4u9i38614lW/XQg6J2LO7l07wCqUVCPJfJy52vJ0:tKgl6ds/9n6PQL2i+7wCN+FcUJ
Threatray 303 similar samples on MalwareBazaar
TLSH T1BB3633253A5E91E3FF40F8FB28BF941BD5534353F2FA2903A32267A647146E409AF161
Reporter zbetcheckin
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
244
Origin country :
n/a
Vendor Threat Intelligence
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/221503/
Detection(s):
SecuriteInfo.com.Win64.Packed.Enigma.BV.31573.17578.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Creating a process from a recently created file
Creating a process with a hidden window
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/61eac4390f8c757253d53231/reports/49a4f3b4-8298-4cb8-907d-f1224dcf788f/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/cd2bb1d5-8515-4b21-b9d9-49b1feb36ad3
Result
Threat name:
BitCoin Miner SilentXMRMiner
Create hunting rule
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/925320
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates a thread in another existing process (thread injection)
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected BitCoin Miner
Yara detected SilentXMRMiner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 557801 Sample: k4ipJqZmIV Startdate: 21/01/2022 Architecture: WINDOWS Score: 100 45 Antivirus / Scanner detection for submitted sample 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 Yara detected SilentXMRMiner 2->49 51 3 other signatures 2->51 9 services32.exe 2->9         started        12 k4ipJqZmIV.exe 2->12         started        process3 signatures4 63 Antivirus detection for dropped file 9->63 65 Multi AV Scanner detection for dropped file 9->65 67 Detected unpacking (changes PE section rights) 9->67 75 2 other signatures 9->75 14 conhost.exe 5 9->14         started        69 Writes to foreign memory regions 12->69 71 Allocates memory in foreign processes 12->71 73 Hides threads from debuggers 12->73 17 conhost.exe 5 12->17         started        process5 file6 39 C:\Users\user\AppData\...\sihost32.exe, PE32+ 14->39 dropped 19 sihost32.exe 14->19         started        41 C:\Users\user\AppData\...\services32.exe, PE32+ 17->41 dropped 43 C:\Users\...\services32.exe:Zone.Identifier, ASCII 17->43 dropped 22 cmd.exe 1 17->22         started        24 cmd.exe 1 17->24         started        process7 signatures8 53 Antivirus detection for dropped file 19->53 55 Multi AV Scanner detection for dropped file 19->55 57 Writes to foreign memory regions 19->57 61 2 other signatures 19->61 26 conhost.exe 2 19->26         started        28 services32.exe 22->28         started        31 conhost.exe 22->31         started        59 Uses schtasks.exe or at.exe to add and modify task schedules 24->59 33 conhost.exe 24->33         started        35 schtasks.exe 1 24->35         started        process9 signatures10 77 Writes to foreign memory regions 28->77 79 Allocates memory in foreign processes 28->79 81 Hides threads from debuggers 28->81 83 Creates a thread in another existing process (thread injection) 28->83 37 conhost.exe 2 28->37         started        process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31868f961c44c39835b30bb9f1c830badc2ca50e583a7936f06ce3a32dd11d28/
Threat name:
Win64.Trojan.Enigma
Create hunting rule
Status:
Malicious
First seen:
2022-01-20 12:50:38 UTC
File Type:
PE+ (Exe)
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
0e49a7e27c826b6afb92d25bd287493693af46e42838270cf96ee2f27c2c0521
CoinMiner
56c6e786a980422a6dc322c54dee750a936f4f143d268053d392a4486c10b5d3
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5eac63fc61a6c010a8be021bf6d86d377f03c10fcd447c1342d0aba35ae6b68a
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64edbaff99fe8c87c2f5f826b0d1741c575295e3ab0c3d16db8bbacd2baebd30
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865baa577a2cdad80e6daefdd7b9bf06d4f9c5007d3bc17e98d13ca8d620feb6
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c0efa247a497b4d9d721d0f54e30e44007c5e53882cf822ade5c3b8f9dd6bbaf
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cd716a11679b98b42382e72283c0fa785d8a4b041bee8044a2c7dffae2142446
CoinMiner
d4169a35ad389cc7a7313bff271319fe5db7ff5894bd3a006cccfa34a308b1c7
CoinMiner
e109085dfb0d7cae33a447c6bbb73ad8b8a20fe06e7f3e06b0e90ac912949428
CoinMiner
+ 293 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220121-rwynfaaahl/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
31868f961c44c39835b30bb9f1c830badc2ca50e583a7936f06ce3a32dd11d28
MD5 hash:
0b814e6fecf2ffad3d7da84a23c8e3cc
SHA1 hash:
11418507a05f5fbee0453037a2084ba57eb7b90a
Link:
https://www.unpac.me/results/95b050fa-96cb-479b-8398-11d2ac40de6d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.39
Link:
https://yomi.yoroi.company/submissions/31868f961c44c39835b30bb9f1c830badc2ca50e583a7936f06ce3a32dd11d28

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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:XOREngine_Misc_XOR_Func
Create hunting rule
Author:smiller cc @florian @wesley idea on implementation with yara's built in XOR function
Description:Use with care, https://twitter.com/cyb3rops/status/1237042104406355968

File information

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

Web download

CoinMiner

Executable exe 31868f961c44c39835b30bb9f1c830badc2ca50e583a7936f06ce3a32dd11d28

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/221503/
  
URLhaus
https://urlhaus.abuse.ch/url/1995773/

Comments


Avatar
zbet commented on 2022-01-21 14:32:48 UTC

url : hxxp://coin-coin-file-9.com/files/661_1642528261_5303.exe