MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1fecd284567ab13f0c92dad3ae05fc2f4f1ad678de8bcceca62991f88990d090. 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: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1fecd284567ab13f0c92dad3ae05fc2f4f1ad678de8bcceca62991f88990d090
SHA3-384 hash: 62986d5d798e2fd35abaa3846c773c497f50f5598de7e2af396b5f7d07c65d5e77443926d856ddef59f9b7cec3eceb8d
SHA1 hash: 05ebf1290ff0f271256224f75b50f3ac6f1c6f3b
MD5 hash: 388d0278aa8bd2dadf5b266a4977be7f
humanhash: april-violet-missouri-salami
File name:388d0278aa8bd2dadf5b266a4977be7f.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:2'691'128 bytes
First seen:2022-09-05 12:01:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f6baa5eaa8231d4fe8e922a2e6d240ea (36 x CoinMiner, 22 x DCRat, 15 x LummaStealer)
ssdeep 49152:kDwRm+TVTSGUc5nyt0ZSxE2gY7HU5tW+fukXxkJ/HH3iIeal:kDwRm2V2wMxp70vfvBkJPH3iIRl
Threatray 439 similar samples on MalwareBazaar
TLSH T1B5C5EFE69E973424E17103B7ECF4A11260EDD594F65F8A8E057A2F0628E41CA4FE63F1
TrID 43.3% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
27.6% (.EXE) Win64 Executable (generic) (10523/12/4)
13.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) OS/2 Executable (generic) (2029/13)
5.2% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon f0f4e24cced2ccb0 (2 x CoinMiner)
Reporter abuse_ch
Tags:CoinMiner exe signed

Code Signing Certificate

Organisation:y8otikyurjtyhrst
Issuer:y8otikyurjtyhrst
Algorithm:sha256WithRSAEncryption
Valid from:2022-09-01T00:00:00Z
Valid to:2028-09-01T00:00:00Z
Serial number: 48d6307336c7be43
Thumbprint Algorithm:SHA256
Thumbprint: b02be95c1e1751c33de3bbb988f37632f6d372ac8556ccce6ed76d9e920ad73b
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
312
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-09-04 19:41:07 UTC
Tags:
trojan rat redline loader
Link:
https://app.any.run/tasks/38e00b67-1e07-4154-a7ac-97c254904ff6

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/307859/
Detection(s):
Win.Adware.InstallPack-9918495-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Moving a file to the %temp% subdirectory
Creating a process from a recently created file
Replacing files
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/36678/overview
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
keylogger overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6315e54ab00f73916cba41c5/reports/a675520e-0e0c-47cc-8efc-67e6bd937104/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:
Unknown
Link:
https://analyze.intezer.com/analyses/e610ddca-330e-45f0-8967-01598fa07e77
Result
Threat name:
MinerDownloader, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1065084
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Connects to a pastebin service (likely for C&C)
Contains functionality to register a low level keyboard hook
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Potential dropper URLs found in powershell memory
Sample is not signed and drops a device driver
Sigma detected: Schedule system process
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Generic MinerDownloader
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 697611 Sample: 31Cv4Bop3a.exe Startdate: 05/09/2022 Architecture: WINDOWS Score: 100 78 pastebin.com 2->78 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for URL or domain 2->84 86 Antivirus detection for dropped file 2->86 88 11 other signatures 2->88 10 31Cv4Bop3a.exe 8 2->10         started        14 cmd.exe 1 2->14         started        16 cmd.exe 1 2->16         started        18 cmd.exe 1 2->18         started        signatures3 process4 file5 68 C:\Users\user\AppData\Local\Temp\...\7z.exe, PE32+ 10->68 dropped 70 C:\Users\user\AppData\Local\Temp\...\7z.dll, PE32+ 10->70 dropped 90 Contains functionality to register a low level keyboard hook 10->90 20 cmd.exe 2 10->20         started        22 conhost.exe 14->22         started        24 chcp.com 14->24         started        26 conhost.exe 16->26         started        28 chcp.com 16->28         started        30 conhost.exe 18->30         started        signatures6 process7 process8 32 alex.exe 15 31 20->32         started        37 7z.exe 2 20->37         started        39 7z.exe 3 20->39         started        41 4 other processes 20->41 dnsIp9 72 github.com 140.82.121.3, 443, 49759, 49760 GITHUBUS United States 32->72 74 raw.githubusercontent.com 185.199.111.133, 443, 49761, 49764 FASTLYUS Netherlands 32->74 76 pastebin.com 172.67.34.170, 443, 49756 CLOUDFLARENETUS United States 32->76 60 C:\ProgramData\Dllhost\winlogson.exe, PE32+ 32->60 dropped 62 C:\ProgramData\Dllhost\dllhost.exe, PE32 32->62 dropped 64 C:\ProgramData\Dllhost\WinRing0x64.sys, PE32+ 32->64 dropped 80 Sample is not signed and drops a device driver 32->80 43 cmd.exe 1 32->43         started        46 cmd.exe 1 32->46         started        48 cmd.exe 1 32->48         started        66 C:\Users\user\AppData\Local\Temp\...\alex.exe, PE32 37->66 dropped file10 signatures11 process12 signatures13 92 Encrypted powershell cmdline option found 43->92 94 Uses schtasks.exe or at.exe to add and modify task schedules 43->94 50 powershell.exe 9 43->50         started        52 conhost.exe 43->52         started        54 conhost.exe 46->54         started        56 schtasks.exe 1 46->56         started        58 conhost.exe 48->58         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1fecd284567ab13f0c92dad3ae05fc2f4f1ad678de8bcceca62991f88990d090/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2022-09-05 06:41:08 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=d7wnfbcwpkyt6des3lj24bp4f5hrvvty32f4z3fgfgi7rcmq2cia._file
Verdict:
malicious
Similar samples:
1b00cf03f26724d9e9cff35a8d3d2e42f2518827e9564513b348fc163de153b6
CoinMiner
2032f4c705391c616308c070f4aa16aed376c18cdc1deb207e8c9048edb0cce8
CoinMiner
23f376834acabc2c3d683f70e6646b6409fdfad4613ebd3087bf8c20d2b2629f
CoinMiner
2b76f69615106615f7ac66c72a4cfbecd1475a1d4a73a7c07230fa3573dd83be
CoinMiner
3d783630a9df4cc2fc3bed2bd696e006c4eb018ca419295fc1fc94010659ecac
CoinMiner
408e38b4d81de63e5762dcb8024f81360b426429821f9934b087aa0a6b44c56f
CoinMiner
7da2d1a4480abcd09e623396da276219ca59bebbb221a09f465f0f66ecc2a571
CoinMiner
83c31903a72e894c0c0a74bc456a9ce007991bf682f1d072905865207adc8fbf
CoinMiner
ef7127461d0a024cbdb38b1b958a40311cfc95573f77a739a89f9240e64fa522
CoinMiner
+ 429 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/220905-n6xx4sgeek/
Behaviour
Creates scheduled task(s)
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Unpacked files
SH256 hash:
7780323299d5b7c5eed9d94e3d26b9c819694fb0db18fdbce669853608a6ed6b
MD5 hash:
dafc0e62726c4f9fe61422370ff1c4cb
SHA1 hash:
5add4178e3bc4755587f499996bc51d1a341c2f0
Link:
https://www.unpac.me/results/ffcefb7b-a307-4630-9da9-1c6c0d2cae8c/
SH256 hash:
1fecd284567ab13f0c92dad3ae05fc2f4f1ad678de8bcceca62991f88990d090
MD5 hash:
388d0278aa8bd2dadf5b266a4977be7f
SHA1 hash:
05ebf1290ff0f271256224f75b50f3ac6f1c6f3b
Link:
https://www.unpac.me/results/ffcefb7b-a307-4630-9da9-1c6c0d2cae8c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.83
Link:
https://yomi.yoroi.company/submissions/1fecd284567ab13f0c92dad3ae05fc2f4f1ad678de8bcceca62991f88990d090

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address

File information

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

Web download

CoinMiner

Executable exe 1fecd284567ab13f0c92dad3ae05fc2f4f1ad678de8bcceca62991f88990d090

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2293724/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/307859/

Comments