MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b3490f8e6e987badc243711d591544d535383d8cedd23421084f97bda84c17a. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7b3490f8e6e987badc243711d591544d535383d8cedd23421084f97bda84c17a
SHA3-384 hash: 863f07b521e5845e588eab4089c5d75566417c237925ec542d47b8ac8905554a7379c4b24ecb7ced2f0652859880f924
SHA1 hash: a3f00086ddffe59c1f63ece58425b06f8a3a9360
MD5 hash: 0133d4e40e686f634b440b4590292f68
humanhash: beryllium-march-cold-whiskey
File name:Chrome.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:10'345'808 bytes
First seen:2023-04-12 00:30:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d3be2dc19ba54f7225d7679c3f791cf7 (35 x CoinMiner, 2 x PripyatMiner)
ssdeep 98304:Em8pYWCBt2FCaPTssVJPtzHnlusNKvUpRy+toB/kBRx3/0cb1uBZDbV:EJ6dBM4aPYsVH+v0Rw/ER10tBZ/V
Threatray 2 similar samples on MalwareBazaar
TLSH T165A6C023CC190EB5E7706D3C39B0B30E122CB2E916E9D924871FA9C4FEA65945D46D8F
TrID 41.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
26.1% (.EXE) Win64 Executable (generic) (10523/12/4)
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)
File icon (PE):PE icon
dhash icon f0cc9d93928ec8e0 (8 x CoinMiner)
Reporter Chainskilabs
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
317
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
https://ibf.tw/xCAmD
Verdict:
Malicious activity
Analysis date:
2023-04-11 13:15:36 UTC
Tags:
stealer laplasclipper vidar
Link:
https://app.any.run/tasks/cc613481-09be-4b91-a1f2-8998cfb89b21

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/381592/
Detection(s):
SecuriteInfo.com.Win64.Evo-gen.5458.18175.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Using the Windows Management Instrumentation requests
Running batch commands
Creating a file in the Program Files subdirectories
Creating a process from a recently created file
Creating a file in the Windows subdirectories
Creating a file in the system32 subdirectories
Changing the hosts file
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/77469/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug overlay packed
Link:
https://www.filescan.io/uploads/6435fbc8f17a8f86fc8caa88/reports/e7acf51a-1e55-463d-aae0-24a89839c672/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/7b3490f8e6e987badc243711d591544d535383d8cedd23421084f97bda84c17a
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2ebbc4da-8ed3-48c4-a3e0-f648f7df1228
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.expl.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1212168
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Connects to a pastebin service (likely for C&C)
Creates files in the system32 config directory
Found hidden mapped module (file has been removed from disk)
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
Protects its processes via BreakOnTermination flag
Sample is not signed and drops a device driver
Suspicious execution chain found
Uses powercfg.exe to modify the power settings
Writes to foreign memory regions
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 845084 Sample: Chrome.exe Startdate: 12/04/2023 Architecture: WINDOWS Score: 100 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 5 other signatures 2->60 7 updater.exe 4 2->7         started        11 Chrome.exe 1 2->11         started        13 cmd.exe 1 2->13         started        15 16 other processes 2->15 process3 dnsIp4 40 C:\Windows\Temp\xtddmftmprfw.tmp, PE32+ 7->40 dropped 42 C:\Program Filesbehaviorgraphoogle\Libs\WR64.sys, PE32+ 7->42 dropped 64 Protects its processes via BreakOnTermination flag 7->64 66 Writes to foreign memory regions 7->66 68 Modifies the context of a thread in another process (thread injection) 7->68 84 2 other signatures 7->84 18 conhost.exe 7->18         started        21 conhost.exe 7->21         started        44 C:\Program Filesbehaviorgraphoogle\Chrome\updater.exe, PE32+ 11->44 dropped 46 C:\Windows\System32\drivers\etc\hosts, ASCII 11->46 dropped 70 Modifies the hosts file 11->70 72 Suspicious execution chain found 11->72 74 Adds a directory exclusion to Windows Defender 11->74 76 Uses powercfg.exe to modify the power settings 13->76 78 Modifies power options to not sleep / hibernate 13->78 24 conhost.exe 13->24         started        26 sc.exe 1 13->26         started        34 4 other processes 13->34 52 192.168.2.1 unknown unknown 15->52 80 Creates files in the system32 config directory 15->80 82 Changes security center settings (notifications, updates, antivirus, firewall) 15->82 28 MpCmdRun.exe 15->28         started        30 conhost.exe 15->30         started        32 conhost.exe 15->32         started        36 20 other processes 15->36 file5 signatures6 process7 dnsIp8 62 Adds a directory exclusion to Windows Defender 18->62 48 pastebin.com 104.20.68.143, 443, 49701 CLOUDFLARENETUS United States 21->48 50 xmr.2miners.com 162.19.139.184, 12222, 49700, 49702 CENTURYLINK-US-LEGACY-QWESTUS United States 21->50 38 conhost.exe 28->38         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7b3490f8e6e987badc243711d591544d535383d8cedd23421084f97bda84c17a/
Threat name:
Win64.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2023-04-11 10:49:38 UTC
File Type:
PE+ (Exe)
Extracted files:
3
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pm2jb6hg5gd3vxbeg4i5lekujvjvha6yz3osgqqqqt4xxwueyf5a._file
Verdict:
unknown
Similar samples:
95f429b6b59cf4098b2ff0bf681a202e8c22987bdbdeead2a589346960f0997a
CoinMiner
efaaa8ecbfb81f33bbfb791209f0e386756b6a5242428d178efda0ad93ac64bf
CoinMiner
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:xmrig evasion miner
Link:
https://tria.ge/reports/230412-at25eagd38/
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 SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Executes dropped EXE
Loads dropped DLL
Drops file in Drivers directory
Stops running service(s)
XMRig Miner payload
Suspicious use of NtCreateUserProcessOtherParentProcess
xmrig
Unpacked files
SH256 hash:
7b3490f8e6e987badc243711d591544d535383d8cedd23421084f97bda84c17a
MD5 hash:
0133d4e40e686f634b440b4590292f68
SHA1 hash:
a3f00086ddffe59c1f63ece58425b06f8a3a9360
Link:
https://www.unpac.me/results/3f688e51-5a57-4ff5-be28-a417d8049d10/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7b3490f8e6e9/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/7b3490f8e6e987badc243711d591544d535383d8cedd23421084f97bda84c17a

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
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 7b3490f8e6e987badc243711d591544d535383d8cedd23421084f97bda84c17a

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/381592/

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