MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc85d8d76e0435f9bf5c42e5618c1d6af90f6abeb8cc6415e4a05c900966a86d. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: bc85d8d76e0435f9bf5c42e5618c1d6af90f6abeb8cc6415e4a05c900966a86d
SHA3-384 hash: 0610cbc4a2165bc18f84783fc8fa4c9e72891d2eb9e92085ef41b764ec11ee99b1a9bc0f6c18fc6ff3432f2d82ac693c
SHA1 hash: e8287ef9f1577ef5c61ffbf501572fa217f2a87e
MD5 hash: 7d974627668e18512826f829788c3b45
humanhash: mockingbird-thirteen-coffee-carpet
File name:7d974627668e18512826f829788c3b45
Download: download sample
Signature CoinMiner
File size:259'584 bytes
First seen:2022-09-14 02:46:45 UTC
Last seen:2022-09-14 03:51:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:3BrGyKADYYZeUVZ1ZBTbiGbHR8pbxi5bOuuWompGy4dh4bVz54:xrhKADYYoU9aGbHRFbOuuWompGy4Yz54
TLSH T19A441F9D725071EFC867C872CAA82C64EA60747B531B9207A05316EDEE0D8DBDF194F2
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 CoinMiner exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
343
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a window
Using the Windows Management Instrumentation requests
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
barys coinminer 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:
troj.spyw.evad.mine
Score:
100 / 100
Signature
Antivirus detection for dropped file
Connects to a pastebin service (likely for C&C)
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies power options to not sleep / hibernate
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential dropper URLs found in powershell memory
Sample is not signed and drops a device driver
Sigma detected: Schedule system process
Uses powercfg.exe to modify the power settings
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: 702494 Sample: nBB0C4tLmQ.exe Startdate: 14/09/2022 Architecture: WINDOWS Score: 100 46 pastebin.com 2->46 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for dropped file 2->56 58 Multi AV Scanner detection for dropped file 2->58 60 8 other signatures 2->60 8 nBB0C4tLmQ.exe 15 31 2->8         started        signatures3 process4 dnsIp5 48 github.com 140.82.121.3, 443, 49717, 49718 GITHUBUS United States 8->48 50 raw.githubusercontent.com 185.199.108.133, 443, 49719, 49720 FASTLYUS Netherlands 8->50 52 2 other IPs or domains 8->52 40 C:\ProgramData\Dllhost\svhost.exe, PE32+ 8->40 dropped 42 C:\ProgramData\Dllhost\dllhost.exe, PE32 8->42 dropped 44 C:\ProgramData\Dllhost\WinRing0x64.sys, PE32+ 8->44 dropped 62 Sample is not signed and drops a device driver 8->62 13 cmd.exe 1 8->13         started        16 cmd.exe 1 8->16         started        18 cmd.exe 1 8->18         started        20 12 other processes 8->20 file6 signatures7 process8 signatures9 64 Encrypted powershell cmdline option found 13->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 13->66 68 Uses powercfg.exe to modify the power settings 13->68 22 powershell.exe 22 13->22         started        24 conhost.exe 13->24         started        70 Modifies power options to not sleep / hibernate 16->70 36 7 other processes 16->36 26 conhost.exe 18->26         started        28 schtasks.exe 1 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 20->32         started        34 conhost.exe 20->34         started        38 21 other processes 20->38 process10
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2022-09-11 07:40:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
24 of 41 (58.54%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Legitimate hosting services abused for malware hosting/C2
Downloads MZ/PE file
Unpacked files
SH256 hash:
bc85d8d76e0435f9bf5c42e5618c1d6af90f6abeb8cc6415e4a05c900966a86d
MD5 hash:
7d974627668e18512826f829788c3b45
SHA1 hash:
e8287ef9f1577ef5c61ffbf501572fa217f2a87e
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_ConfuserEx
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:pe_imphash
Rule name:RansomwareTest3
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

CoinMiner

Executable exe bc85d8d76e0435f9bf5c42e5618c1d6af90f6abeb8cc6415e4a05c900966a86d

(this sample)

  
Delivery method
Distributed via web download

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