MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa8b65b91dabd75e184fef4367d05df97aae8da466c1896b2ca60f601a8b9681. 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: aa8b65b91dabd75e184fef4367d05df97aae8da466c1896b2ca60f601a8b9681
SHA3-384 hash: c9acb41ed2ff05a5b7258fd121f3a1d2f38d69d7f2d721dc8b0e89535d86492c35c1cbc43a7d53405062c4c350f3a931
SHA1 hash: f6e4b09eb64dec609461c8f1ec63417c7dc8f32a
MD5 hash: 66aa9571bbadcd82baff78c6eb3d4e16
humanhash: seven-uranus-red-india
File name:66aa9571bbadcd82baff78c6eb3d4e16
Download: download sample
Signature CoinMiner
Create hunting rule
File size:5'237'760 bytes
First seen:2022-01-04 01:19:50 UTC
Last seen:2022-01-04 02:40:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash b8ba55866bfe7b49b97c43084c1885db (25 x CoinMiner)
ssdeep 98304:6nmjsT3vDfbU8WWT3t1lp43sXzSndMqL3GZwWYG0mTnt0:6nmjs3vTbU8WWTdrjo3+0m
Threatray 485 similar samples on MalwareBazaar
TLSH T18B36332A7A2E58F2DD01F0BE46BCA04BE9471903D3F610978355319E4B9D9F78C9F4A2
Reporter zbetcheckin
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
248
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
66aa9571bbadcd82baff78c6eb3d4e16
Verdict:
No threats detected
Analysis date:
2022-01-04 01:22:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c9f663c8-866c-4066-9200-279fd2028fe3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
EnigmaStub
Create hunting rule
Link:
https://www.capesandbox.com/analysis/217200/
Detection(s):
SecuriteInfo.com.Artemis66AA9571BBAD.4220.16884.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Creating a process from a recently created file
Unauthorized injection to a system process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
donut enigma packed
Link:
https://www.filescan.io/uploads/61d3a0ca92bdc4b4077cbca4/reports/90b5d1b0-9fd4-4e2a-a1d8-bf9a5ada5e26/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/f9c884b9-1371-4b47-a40d-8a4b048b0ce4
Result
Threat name:
BitCoin Miner SilentXMRMiner
Create hunting rule
Detection:
malicious
Classification:
evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/915058
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: 547537 Sample: I5idEyihRE Startdate: 04/01/2022 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 I5idEyihRE.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 Multi AV Scanner detection for dropped file 19->53 55 Writes to foreign memory regions 19->55 57 Allocates memory in foreign processes 19->57 59 Creates a thread in another existing process (thread injection) 19->59 26 conhost.exe 2 19->26         started        28 services32.exe 22->28         started        31 conhost.exe 22->31         started        61 Uses schtasks.exe or at.exe to add and modify task schedules 24->61 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/aa8b65b91dabd75e184fef4367d05df97aae8da466c1896b2ca60f601a8b9681/
Threat name:
Win64.Trojan.Enigma
Create hunting rule
Status:
Malicious
First seen:
2021-12-28 02:38:03 UTC
File Type:
PE+ (Exe)
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Verdict:
malicious
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0e49a7e27c826b6afb92d25bd287493693af46e42838270cf96ee2f27c2c0521
CoinMiner
1701171f89917e432739335ca3db9960f49bf7616a3832b4951df3215ceb0334
CoinMiner
36a143318fa67627e0b9351d7add36540248fc73b147a83cff6d97f2c39b63c0
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48eee6e4eedb7291e09cd68d3ff4f1608df7fb538be806d785a4e99cb77a9da2
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5f5650987c9810c4cc59a467650844179c1349ded7b2fa0f1b00edbbf648612c
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865baa577a2cdad80e6daefdd7b9bf06d4f9c5007d3bc17e98d13ca8d620feb6
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92561a2126c31ee34edef41557d2c312a3e1f4b9909c99d8ca23d3cae19ee173
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a1d0727470709c53a1eacbfbf47eb4c9e83aff4c7ebf2161f8d925dd62c9cdaf
CoinMiner
b4a3cafc8553c06b17131e6b3afb38971312a4d91ae3349d2d118bdfc3d8de94
CoinMiner
f3940f6c65cda4da86d1f9712223b8a278cd0dc90f701938a38a61ff74c66c66
CoinMiner
+ 475 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220104-bp5keaffb3/
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:
aa8b65b91dabd75e184fef4367d05df97aae8da466c1896b2ca60f601a8b9681
MD5 hash:
66aa9571bbadcd82baff78c6eb3d4e16
SHA1 hash:
f6e4b09eb64dec609461c8f1ec63417c7dc8f32a
Link:
https://www.unpac.me/results/f7dd7f67-736e-4cb6-b91b-c1d9be5e77a3/
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/aa8b65b91dabd75e184fef4367d05df97aae8da466c1896b2ca60f601a8b9681

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 aa8b65b91dabd75e184fef4367d05df97aae8da466c1896b2ca60f601a8b9681

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/217200/

Comments


Avatar
zbet commented on 2022-01-04 01:19:51 UTC

url : hxxp://tjersy.ru/dima.exe