MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a7cfb0896f3030a20c14a17c9978c78b7318131c8b973fae1133debb5c5f91a. 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: 16

Intelligence 16 IOCs YARA 21 File information Comments

SHA256 hash:	4a7cfb0896f3030a20c14a17c9978c78b7318131c8b973fae1133debb5c5f91a
SHA3-384 hash:	9f98860c780d9dfca6d5af5c90c5b1d283b0d8b3d49effd8ada97b4c39639ef1a2d308948ff360daddf99872aafca587
SHA1 hash:	628a647571a2055aaaa90f59efd5a0799c186618
MD5 hash:	4eb8488f870003161cde6198c3c1d4cd
humanhash:	oven-black-solar-quiet
File name:	SecuriteInfo.com.Trojan.Siggen19.1394.24705.6849
Download:	download sample
Signature	CoinMiner Create hunting rule
File size:	2'295'808 bytes
First seen:	2025-03-25 19:24:11 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	df9a7bc1c6c6cd97d04c3762fdde6719 (18 x CoinMiner, 2 x CoinMiner.XMRig, 1 x PripyatMiner)
ssdeep	49152:a2Z9/OUtwHBnvUNJ1gcT8dmkzs4c4ZjuhTODJ1q7/h5vC:acLwhncCPXc4aTw1Uv
Threatray	281 similar samples on MalwareBazaar
TLSH	T15EB5231A689593D8C309173FC9649DF1ECF0F729DBB0F41B12A2E520FB4856467863AB
TrID	41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 26.1% (.EXE) Win64 Executable (generic) (10522/11/4) 12.5% (.EXE) Win16 NE executable (generic) (5038/12/1) 5.1% (.ICL) Windows Icons Library (generic) (2059/9) 5.0% (.EXE) OS/2 Executable (generic) (2029/13)
Magika	pebin
Reporter	SecuriteInfoCom
Tags:	CoinMiner exe

Intelligence

File Origin

# of uploads :

# of downloads :

471

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

https://bazaar.abuse.ch/download/4a7cfb0896f3030a20c14a17c9978c78b7318131c8b973fae1133debb5c5f91a/

Verdict:

No threats detected

Analysis date:

2025-03-25 19:32:42 UTC

Tags:

autorun-download arch-exec

Link:

https://app.any.run/tasks/6c55ad34-a930-466f-ac71-2f52a6900b94

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Trojan.Siggen19.1394.25856.1720.UNOFFICIAL

Verdict:

Malicious

Score:

92.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67e302fccb6d38a89f3e1455

Tags:

spawn crypt miner

Result

Verdict:

Malware

Maliciousness:

Behaviour

Running batch commands

Launching a process

Using the Windows Management Instrumentation requests

Creating a file in the Program Files subdirectories

Creating a file in the %temp% directory

Creating a process from a recently created file

Creating a file in the Windows subdirectories

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Unauthorized injection to a system process

Using obfuscated Powershell scripts

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

adaptive-context anti-debug packed packed packer_detected

Link:

https://www.filescan.io/uploads/67e302f4b0f1f45f8da7f810/reports/9f105998-7c9e-4e3e-bd70-38c863736f0f/overview

Verdict:

Malicious

Labled as:

Whisperer.1.Generic

Link:

https://www.hybrid-analysis.com/sample/4a7cfb0896f3030a20c14a17c9978c78b7318131c8b973fae1133debb5c5f91a

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:

Generic Malware

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/f8cbe09c-b5ba-42ea-9bbc-9c648562c86c

Result

Threat name:

SilentCrypto Miner, Xmrig

Detection:

malicious

Classification:

spyw.evad.mine

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1648412

Signature

Adds a directory exclusion to Windows Defender

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Changes security center settings (notifications, updates, antivirus, firewall)

Contains functionality to compare user and computer (likely to detect sandboxes)

Contains functionality to inject code into remote processes

Creates a thread in another existing process (thread injection)

Found direct / indirect Syscall (likely to bypass EDR)

Found hidden mapped module (file has been removed from disk)

Found stalling execution ending in API Sleep call

Found strings related to Crypto-Mining

Hooks files or directories query functions (used to hide files and directories)

Hooks processes query functions (used to hide processes)

Hooks registry keys query functions (used to hide registry keys)

Injects a PE file into a foreign processes

Injects code into the Windows Explorer (explorer.exe)

Joe Sandbox ML detected suspicious sample

Loading BitLocker PowerShell Module

Maps a DLL or memory area into another process

Modifies power options to not sleep / hibernate

Modifies the context of a thread in another process (thread injection)

Modifies the prolog of user mode functions (user mode inline hooks)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Obfuscated command line found

Protects its processes via BreakOnTermination flag

Sample is not signed and drops a device driver

Self deletion via cmd or bat file

Sigma detected: Invoke-Obfuscation CLIP+ Launcher

Sigma detected: Invoke-Obfuscation VAR+ Launcher

Sigma detected: Potential PowerShell Command Line Obfuscation

Sigma detected: Potential WinAPI Calls Via CommandLine

Sigma detected: Potentially Suspicious PowerShell Child Processes

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Sigma detected: Stop multiple services

Stops critical windows services

Suspicious powershell command line found

Uses cmd line tools excessively to alter registry or file data

Uses powercfg.exe to modify the power settings

Uses Register-ScheduledTask to add task schedules

Uses schtasks.exe or at.exe to add and modify task schedules

Writes to foreign memory regions

Yara detected SilentCrypto Miner

Yara detected Xmrig cryptocurrency miner

Behaviour

Behavior Graph:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4a7cfb0896f3030a20c14a17c9978c78b7318131c8b973fae1133debb5c5f91a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4a7cfb0896f3030a20c14a17c9978c78b7318131c8b973fae1133debb5c5f91a/

Threat name:

Win64.Trojan.Whisperer

Status:

Malicious

First seen:

2022-11-28 00:23:02 UTC

File Type:

PE+ (Exe)

Extracted files:

AV detection:

20 of 26 (76.92%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jj6pwcew6mbquigbjil4tf4mpc3tdajrzc4xh6xbcm66xnof7ena._file

Verdict:

malicious

Label(s):

r77

Result

Malware family:

xmrig

Score:

10/10

Tags:

family:xmrig defense_evasion discovery execution miner persistence upx

Link:

https://tria.ge/reports/250325-x4kz7svlx2/

Behaviour

Checks processor information in registry

Detects videocard installed

Modifies data under HKEY_USERS

Modifies registry class

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of UnmapMainImage

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Drops file in Windows directory

Launches sc.exe

Drops file in System32 directory

Suspicious use of SetThreadContext

UPX packed file

Power Settings

Deletes itself

Executes dropped EXE

Loads dropped DLL

Command and Scripting Interpreter: PowerShell

Stops running service(s)

XMRig Miner payload

Modifies security service

Suspicious use of NtCreateUserProcessOtherParentProcess

Xmrig family

xmrig

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/9a93188b-a902-487e-aa89-3ec191c0f4e0

Unpacked files

SH256 hash:

4a7cfb0896f3030a20c14a17c9978c78b7318131c8b973fae1133debb5c5f91a

MD5 hash:

4eb8488f870003161cde6198c3c1d4cd

SHA1 hash:

628a647571a2055aaaa90f59efd5a0799c186618

Link:

https://www.unpac.me/results/30022d21-30a7-4084-b542-972566334401/

Malware family:

XMRig

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4a7cfb0896f3/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/4a7cfb0896f3030a20c14a17c9978c78b7318131c8b973fae1133debb5c5f91a

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:	cobalt_strike_tmp01925d3f Create hunting rule
Author:	The DFIR Report
Description:	files - file ~tmp01925d3f.exe
Reference:	https://thedfirreport.com

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__MemoryWorkingSet Create hunting rule
Author:	Fernando Mercês
Description:	Anti-debug process memory working set size check
Reference:	http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerException__SetConsoleCtrl Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	MALWARE_Win_R77 Create hunting rule
Author:	ditekSHen
Description:	Detects r77 rootkit

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_detect_tls_callbacks Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Sus_Obf_Enc_Spoof_Hide_PE Create hunting rule
Author:	XiAnzheng
Description:	Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	Windows_Rootkit_R77_d0367e28 Create hunting rule
Author:	Elastic Security
Reference:	https://www.elastic.co/security-labs/elastic-security-labs-steps-through-the-r77-rootkit

File information

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

Web download

CoinMiner

exe 4a7cfb0896f3030a20c14a17c9978c78b7318131c8b973fae1133debb5c5f91a

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3490313/

Delivery method

Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high
CHECK_TRUST_INFO	Requires Elevated Execution (level:requireAdministrator)	high

Reviews

ID	Capabilities	Evidence
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::GetStartupInfoW

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