MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 544e42d33423d4dc27edf3acb6edc56c77346e833a71b353c393e5bb7f8ccf85. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments 1

SHA256 hash: 544e42d33423d4dc27edf3acb6edc56c77346e833a71b353c393e5bb7f8ccf85
SHA3-384 hash: c34f9b8ef427a8305061168e3c46a595ec3a2f4066c1342b0a1553145c7920001f8a2d08032130e2109ef1bfd96d2b2c
SHA1 hash: 056bb6dfb1f8223eefdb786d9d346766ed0ee98d
MD5 hash: b938598941bc685645ce1a2f7ae93e86
humanhash: mountain-island-angel-quiet
File name:b938598941bc685645ce1a2f7ae93e86
Download: download sample
Signature CoinMiner
File size:10'237'128 bytes
First seen:2023-07-19 22:39:26 UTC
Last seen:2023-07-19 23:40:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 35a81d16af9f2ba6d515f11152d0364b (57 x CoinMiner, 2 x CobaltStrike)
ssdeep 196608:jgULpiWPCJcHhcdEkCu9g2LCseyu1WjUee7DJiSn616R/K:jt/icHhcd1C8ayu18U961r
TLSH T1C3A6330112544173E06E5EBCCAB36A03D6E06C216AB38697397CB56DEB34ED4ADD1BF0
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter zbetcheckin
Tags:64 CoinMiner exe signed

Code Signing Certificate

Organisation:Logitech ZC-9015 USA State of Washington
Issuer:Logitech ZC-9015 USA State of Washington
Algorithm:sha1WithRSAEncryption
Valid from:2022-12-24T20:59:06Z
Valid to:2032-12-25T20:59:06Z
Serial number: 3fdc7a3e7e965eb64e3a1acec732b0e3
Intelligence: 16 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 68956e7cc6836a711e93e83340b6fc3b6cf0ca876e7af6dd1c7d5d14725bca00
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
332
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
redline
ID:
1
File name:
58fc32b8dd5fecda153ec0275ac5ac85.exe
Verdict:
Malicious activity
Analysis date:
2023-07-19 20:01:51 UTC
Tags:
rat redline loader amadey trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed 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:
adwa.spyw.evad.mine
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Creates files in the system32 config directory
Found hidden mapped module (file has been removed from disk)
Found strings related to Crypto-Mining
Hides threads from debuggers
Injects code into the Windows Explorer (explorer.exe)
Malicious sample detected (through community Yara rule)
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 hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Protects its processes via BreakOnTermination flag
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Sigma detected: Stop multiple services
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses powercfg.exe to modify the power settings
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1276351 Sample: a4jPUtgauO.exe Startdate: 20/07/2023 Architecture: WINDOWS Score: 100 52 Malicious sample detected (through community Yara rule) 2->52 54 Multi AV Scanner detection for dropped file 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 7 other signatures 2->58 6 updater.exe 4 2->6         started        10 a4jPUtgauO.exe 1 2->10         started        12 cmd.exe 1 2->12         started        14 9 other processes 2->14 process3 file4 36 C:\Windows\Temp\rdnwrkfxnubn.tmp, PE32+ 6->36 dropped 38 C:\Program Filesbehaviorgraphoogle\Libs\WR64.sys, PE32+ 6->38 dropped 60 Query firmware table information (likely to detect VMs) 6->60 62 Protects its processes via BreakOnTermination flag 6->62 64 Injects code into the Windows Explorer (explorer.exe) 6->64 78 5 other signatures 6->78 16 explorer.exe 6->16         started        20 conhost.exe 6->20         started        40 C:\Program Filesbehaviorgraphoogle\Chrome\updater.exe, PE32+ 10->40 dropped 42 C:\Windows\System32\drivers\etc\hosts, ASCII 10->42 dropped 66 Modifies the hosts file 10->66 68 Adds a directory exclusion to Windows Defender 10->68 70 Hides threads from debuggers 10->70 72 Uses powercfg.exe to modify the power settings 12->72 74 Modifies power options to not sleep / hibernate 12->74 22 conhost.exe 12->22         started        24 sc.exe 1 12->24         started        32 4 other processes 12->32 76 Creates files in the system32 config directory 14->76 26 conhost.exe 14->26         started        28 conhost.exe 14->28         started        30 conhost.exe 14->30         started        34 19 other processes 14->34 signatures5 process6 dnsIp7 44 xmr.2miners.com 162.19.139.184, 12222, 49695 CENTURYLINK-US-LEGACY-QWESTUS United States 16->44 46 System process connects to network (likely due to code injection or exploit) 16->46 48 Query firmware table information (likely to detect VMs) 16->48 50 Adds a directory exclusion to Windows Defender 20->50 signatures8
Threat name:
Win64.Trojan.Casdet
Status:
Malicious
First seen:
2023-07-16 12:36:08 UTC
File Type:
PE+ (Exe)
Extracted files:
47
AV detection:
21 of 25 (84.00%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:xmrig evasion miner themida trojan
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks whether UAC is enabled
Checks BIOS information in registry
Executes dropped EXE
Loads dropped DLL
Themida packer
Drops file in Drivers directory
Stops running service(s)
Identifies VirtualBox via ACPI registry values (likely anti-VM)
XMRig Miner payload
Suspicious use of NtCreateUserProcessOtherParentProcess
xmrig
Unpacked files
SH256 hash:
544e42d33423d4dc27edf3acb6edc56c77346e833a71b353c393e5bb7f8ccf85
MD5 hash:
b938598941bc685645ce1a2f7ae93e86
SHA1 hash:
056bb6dfb1f8223eefdb786d9d346766ed0ee98d
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

Web download

CoinMiner

Executable exe 544e42d33423d4dc27edf3acb6edc56c77346e833a71b353c393e5bb7f8ccf85

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-07-19 22:39:27 UTC

url : hxxp://165.232.162.31/udp/rdpcllp.exe