MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8591b86016fee0267755649d008dfb73d0d7ac44ff4bb27f94585477b2eb5924. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8591b86016fee0267755649d008dfb73d0d7ac44ff4bb27f94585477b2eb5924
SHA3-384 hash: 103944e3b4974d96759cd06eba4ca5faef5697d42e4cb745c1e215ba8e673cf70bc9e04ef801a70bfaf75aa222818c4d
SHA1 hash: 07a04b16322d7b7ffb20d06da3f8b0b8d6758d3a
MD5 hash: ca341777340c9f6a7ba878b3e37fcf9c
humanhash: twelve-thirteen-music-snake
File name:bgfbv.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:222'200 bytes
First seen:2023-03-19 13:55:30 UTC
Last seen:2023-03-19 16:34:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash eb34989b8fe3c43ef88d833129f3453a (2 x CoinMiner, 1 x RedLineStealer)
ssdeep 3072:ess1fPMY0xyVpX5sLRRQRo0PnPdvAP2JyCiNZOQGWpOeXNzxc2NA1YSlajLgYBRH:efPVvX5G8nFmnvOZWB6MAkgLs
Threatray 2 similar samples on MalwareBazaar
TLSH T1DE24CF0338508431CC7BE57859FCB7CBA36958761BB5C70B672A39DBEE05761227822E
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Chainskilabs
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
273
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bgfbv.exe
Verdict:
Malicious activity
Analysis date:
2023-03-19 13:57:43 UTC
Tags:
miner
Link:
https://app.any.run/tasks/e360f6d5-215f-427c-bf20-f843d08b979f

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/375666/
Detection(s):
SecuriteInfo.com.Variant.Fragtor.234298.22041.27868.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for the window
Сreating synchronization primitives
Creating a window
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/74100/overview
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
CPUID_Instruction
CheckCmdLine
EvasionQueryPerformanceCounter
EvasionGetTickCount
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware overlay packed
Link:
https://www.filescan.io/uploads/6417147328f6cfd59136bf09/reports/e0ed95b2-269f-4bc0-bae5-885742f4fd6c/overview
Verdict:
Malicious
Labled as:
Fragtor.Generic
Link:
https://www.hybrid-analysis.com/sample/8591b86016fee0267755649d008dfb73d0d7ac44ff4bb27f94585477b2eb5924
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/06c9f15f-3fda-4a0d-9762-4bfb5b7f6367
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1197091
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Connects to a pastebin service (likely for C&C)
Contains functionality to inject code into remote processes
Encrypted powershell cmdline option found
Found strings related to Crypto-Mining
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies power options to not sleep / hibernate
Modifies the hosts file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 829992 Sample: bgfbv.exe Startdate: 19/03/2023 Architecture: WINDOWS Score: 100 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for dropped file 2->79 81 Multi AV Scanner detection for dropped file 2->81 83 6 other signatures 2->83 8 bgfbv.exe 1 2->8         started        11 cmd.exe 2->11         started        13 cmd.exe 2->13         started        15 2 other processes 2->15 process3 signatures4 101 Contains functionality to inject code into remote processes 8->101 103 Writes to foreign memory regions 8->103 105 Allocates memory in foreign processes 8->105 107 Injects a PE file into a foreign processes 8->107 17 AppLaunch.exe 15 30 8->17         started        22 conhost.exe 8->22         started        24 winlogson.exe 11->24         started        26 conhost.exe 11->26         started        28 chcp.com 11->28         started        30 conhost.exe 13->30         started        32 chcp.com 13->32         started        34 conhost.exe 15->34         started        36 3 other processes 15->36 process5 dnsIp6 71 github.com 140.82.121.3, 443, 49700, 49701 GITHUBUS United States 17->71 73 objects.githubusercontent.com 185.199.108.133, 443, 49702, 49703 FASTLYUS Netherlands 17->73 75 pastebin.com 104.20.68.143, 443, 49699 CLOUDFLARENETUS United States 17->75 65 C:\ProgramData\Dllhost\winlogson.exe, PE32+ 17->65 dropped 67 C:\ProgramData\Dllhost\dllhost.exe, PE32 17->67 dropped 69 C:\Windows\System32\drivers\etc\hosts, ASCII 17->69 dropped 85 Modifies the hosts file 17->85 38 cmd.exe 1 17->38         started        41 cmd.exe 1 17->41         started        43 cmd.exe 1 17->43         started        45 12 other processes 17->45 87 Antivirus detection for dropped file 24->87 89 Multi AV Scanner detection for dropped file 24->89 91 Machine Learning detection for dropped file 24->91 file7 signatures8 process9 signatures10 93 Encrypted powershell cmdline option found 38->93 95 Uses schtasks.exe or at.exe to add and modify task schedules 38->95 97 Uses powercfg.exe to modify the power settings 38->97 47 powershell.exe 5 38->47         started        49 conhost.exe 38->49         started        99 Modifies power options to not sleep / hibernate 41->99 61 7 other processes 41->61 51 powershell.exe 3 43->51         started        53 conhost.exe 43->53         started        55 powershell.exe 3 45->55         started        57 powershell.exe 3 45->57         started        59 conhost.exe 45->59         started        63 21 other processes 45->63 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8591b86016fee0267755649d008dfb73d0d7ac44ff4bb27f94585477b2eb5924/
Threat name:
Win32.Trojan.RedLine
Create hunting rule
Status:
Malicious
First seen:
2023-03-19 13:56:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qwi3qyaw73qcm52vmsoqbdp3opinplce75f3e74ulbkhpmxllesa._file
Verdict:
malicious
Similar samples:
a9ee6721f8d23338032cdce673ff1784a6c207d5c7aa6857fbd5c0c5f2d81208
CoinMiner
ff79c54a78fe3d16dea2b1ec728c5a7978e36d8ff7bd16710575f79113ad4477
CoinMiner
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig miner
Link:
https://tria.ge/reports/230319-q8ntbsaf9x/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Downloads MZ/PE file
Drops file in Drivers directory
XMRig Miner payload
xmrig
Unpacked files
SH256 hash:
6eabdfd8b2d19e882afbba64ef0fb8c07c1b9eca25bc8db4a0a83b826664b9d5
MD5 hash:
3c99ee8cecf28f224425bf4b9169f3a3
SHA1 hash:
26adad865d20eeb5e29b059a853093b9af1af42f
Link:
https://www.unpac.me/results/e00c25b2-66d3-48f3-8c7d-bda1ee26bc30/
SH256 hash:
8591b86016fee0267755649d008dfb73d0d7ac44ff4bb27f94585477b2eb5924
MD5 hash:
ca341777340c9f6a7ba878b3e37fcf9c
SHA1 hash:
07a04b16322d7b7ffb20d06da3f8b0b8d6758d3a
Link:
https://www.unpac.me/results/e00c25b2-66d3-48f3-8c7d-bda1ee26bc30/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8591b86016fe/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8591b86016fee0267755649d008dfb73d0d7ac44ff4bb27f94585477b2eb5924

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
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 8591b86016fee0267755649d008dfb73d0d7ac44ff4bb27f94585477b2eb5924

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/375666/
  
URLhaus
https://urlhaus.abuse.ch/url/2577447/

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