MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a484a486e4ccce5d89bed7fd21d3aef4802a85b3147a0445ccca16b3df95267a. 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 2 File information Comments

SHA256 hash: a484a486e4ccce5d89bed7fd21d3aef4802a85b3147a0445ccca16b3df95267a
SHA3-384 hash: 0a500f54b62adaec678046e43442b4d812b2b14a414d9a187921d8f35289bdedb9e44a8523e4cc2c54f566a6fb0fc3ea
SHA1 hash: 5f0c9fe250c94d7723ba2731c8e85da54bff0c81
MD5 hash: 784dd34f3b219aa3ec808d8d07d92d8a
humanhash: river-quebec-princess-quebec
File name:install.exe
Download: download sample
Signature CoinMiner
File size:4'126'208 bytes
First seen:2022-11-13 18:38:13 UTC
Last seen:2022-11-13 20:42:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4328f7206db519cd4e82283211d98e83 (533 x RedLineStealer, 18 x Arechclient2, 15 x DCRat)
ssdeep 98304:AvcxT97ilteSANvb3xV74l/5Fy0RlKhEQgL/T:Ay9EeSANzChF4hD8/
Threatray 16'190 similar samples on MalwareBazaar
TLSH T1B81633B479F3CA68C34174B2C45BCF951230E7748DA1B5BD3A8EA5E9338DED922058D8
TrID 27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
20.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
18.5% (.EXE) Win32 Executable (generic) (4505/5/1)
8.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
238
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
install.exe
Verdict:
Malicious activity
Analysis date:
2022-11-13 18:44:04 UTC
Tags:
evasion stealer trojan loader

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

Behaviour
Searching for analyzing tools
Searching for the window
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Searching for synchronization primitives
Creating a file
Creating a window
DNS request
Sending an HTTP GET request
Launching the default Windows debugger (dwwin.exe)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
Detection:
malicious
Classification:
rans.troj.spyw.evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates files in the system32 config directory
Detected unpacking (changes PE section rights)
DNS related to crypt mining pools
Found C&C like URL pattern
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
PE file has nameless sections
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to harvest and steal browser information (history, passwords, etc)
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 745097 Sample: install.exe Startdate: 13/11/2022 Architecture: WINDOWS Score: 100 54 xmr-eu1.nanopool.org 2->54 62 Multi AV Scanner detection for domain / URL 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 11 other signatures 2->68 8 install.exe 15 44 2->8         started        13 WinUpdate.exe 2->13         started        15 cmd.exe 2->15         started        17 8 other processes 2->17 signatures3 process4 dnsIp5 56 45.15.156.81, 49701, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 8->56 58 ip-api.com 208.95.112.1, 49700, 80 TUT-ASUS United States 8->58 60 79.137.205.105, 49702, 49703, 80 PSKSET-ASRU Russian Federation 8->60 46 C:\Users\user\...\tmpE0F5.tmphna8dh5m8b6.exe, PE32 8->46 dropped 48 C:\Users\user\...\tmpE0F4.tmp5qo15hxvkr9n.exe, PE32+ 8->48 dropped 50 C:\Users\user\AppData\...\install.exe.log, ASCII 8->50 dropped 52 3 other malicious files 8->52 dropped 84 Detected unpacking (changes PE section rights) 8->84 86 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 8->86 88 Query firmware table information (likely to detect VMs) 8->88 100 6 other signatures 8->100 19 tmpE0F5.tmphna8dh5m8b6.exe 1 4 8->19         started        23 tmpE0F4.tmp5qo15hxvkr9n.exe 3 8->23         started        90 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 13->90 92 Adds a directory exclusion to Windows Defender 13->92 94 Uses cmd line tools excessively to alter registry or file data 15->94 25 conhost.exe 15->25         started        27 sc.exe 15->27         started        29 sc.exe 15->29         started        35 8 other processes 15->35 96 Creates files in the system32 config directory 17->96 98 Uses schtasks.exe or at.exe to add and modify task schedules 17->98 31 conhost.exe 17->31         started        33 conhost.exe 17->33         started        37 6 other processes 17->37 file6 signatures7 process8 file9 42 C:\Users\user\AppData\...\fontdrvhost.exe, PE32 19->42 dropped 70 Antivirus detection for dropped file 19->70 72 Machine Learning detection for dropped file 19->72 39 fontdrvhost.exe 19->39         started        44 C:\Program Files\...\WinUpdate.exe, PE32+ 23->44 dropped 74 Overwrites code with unconditional jumps - possibly settings hooks in foreign process 23->74 76 Adds a directory exclusion to Windows Defender 23->76 78 Tries to detect virtualization through RDTSC time measurements 23->78 signatures10 process11 signatures12 80 Antivirus detection for dropped file 39->80 82 Machine Learning detection for dropped file 39->82
Threat name:
Win32.Trojan.Emotet
Status:
Malicious
First seen:
2022-11-13 18:39:16 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig discovery evasion miner persistence spyware stealer themida trojan upx
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Themida packer
Downloads MZ/PE file
Executes dropped EXE
Stops running service(s)
UPX packed file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner payload
Modifies security service
Suspicious use of NtCreateUserProcessOtherParentProcess
xmrig
Unpacked files
SH256 hash:
6851e02d3f4b8179b975f00bbc86602a2f2f84524f548876eb656db7ea5eaa9c
MD5 hash:
c5124caf4aea3a83b63a9108fe0dcef8
SHA1 hash:
a43a5a59038fca5a63fa526277f241f855177ce6
SH256 hash:
a484a486e4ccce5d89bed7fd21d3aef4802a85b3147a0445ccca16b3df95267a
MD5 hash:
784dd34f3b219aa3ec808d8d07d92d8a
SHA1 hash:
5f0c9fe250c94d7723ba2731c8e85da54bff0c81
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_EXE_Packed_Themida
Author:ditekSHen
Description:Detects executables packed with Themida
Rule name:INDICATOR_SUSPICIOUS_EXE_Embedded_Gzip_B64Encoded_File
Author:ditekSHen
Description:Detects executables containing bas64 encoded gzip files

File information


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

Comments