MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f81559b522df85ce28b42e06362f4046f9f32ee2cef0a773889f3580087cf5fc. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f81559b522df85ce28b42e06362f4046f9f32ee2cef0a773889f3580087cf5fc
SHA3-384 hash: 5899387d1d59985d0f9dfddcb6ffc33dbfc0c2aa1b6f1d29c162828de91b6ab783f9bc36fc3c74b9720074dcfc5cf58c
SHA1 hash: 7690f7b070a9f7c929722ad1168139d7a3198c14
MD5 hash: 0b8e174570dae9c0d312906c311f197d
humanhash: quiet-papa-connecticut-three
File name:0b8e174570dae9c0d312906c311f197d.exe
Download: download sample
Signature CoinMiner
Create hunting rule
File size:2'947'584 bytes
First seen:2023-01-27 16:53:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 49152:FOrO4gR/EZIbvggFrZlxr83dEiU7UtQjk8:l4gR/SIDpf58t
TLSH T1E0D5B02439FA501EB173EFA68BE478EADA6FB7733B07645D1051038A4723981DEC153A
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0b8e174570dae9c0d312906c311f197d.exe
Verdict:
Malicious activity
Analysis date:
2023-01-27 16:57:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/55d22042-f2fe-4474-8cac-de038fca0044

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/357540/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Creating a file
Using the Windows Management Instrumentation requests
Running batch commands
Launching a process
Unauthorized injection to a recently created process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
83%
Tags:
stealer
Link:
https://www.filescan.io/uploads/63d401af696b2d972574a845/reports/0301f4e0-faeb-41ad-b698-fb26a4895d4c/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/263f25eb-30bd-46ac-b8ec-2caa8a47a82e
Result
Threat name:
Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1160474
Signature
Antivirus detection for dropped file
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)
May check the online IP address of the machine
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample is not signed and drops a device driver
Sigma detected: Schedule system process
Snort IDS alert for network traffic
Uses powercfg.exe to modify the power settings
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 793213 Sample: eZazqsQj35.exe Startdate: 27/01/2023 Architecture: WINDOWS Score: 100 64 www.google.com 2->64 66 rentry.co 2->66 78 Snort IDS alert for network traffic 2->78 80 Malicious sample detected (through community Yara rule) 2->80 82 Antivirus detection for dropped file 2->82 84 8 other signatures 2->84 9 eZazqsQj35.exe 5 2->9         started        12 RegSvc.exe 2->12         started        16 svchost.exe 2 2->16         started        18 2 other processes 2->18 signatures3 process4 dnsIp5 60 C:\Users\user\AppData\...\ProgramStarter.exe, PE32 9->60 dropped 62 C:\Users\user\AppData\...\eZazqsQj35.exe.log, ASCII 9->62 dropped 20 ProgramStarter.exe 15 27 9->20         started        74 rentry.co 12->74 102 Multi AV Scanner detection for dropped file 12->102 104 Machine Learning detection for dropped file 12->104 76 192.168.2.1 unknown unknown 16->76 file6 signatures7 process8 dnsIp9 68 api4.ipify.org 64.185.227.155, 443, 49703 WEBNXUS United States 20->68 70 api.telegram.org 149.154.167.220, 443, 49704 TELEGRAMRU United Kingdom 20->70 72 5 other IPs or domains 20->72 52 C:\ProgramData\RuntimeBrokerData\svhost.exe, PE32+ 20->52 dropped 54 C:\ProgramData\...\WinRing0x64.sys, PE32+ 20->54 dropped 56 C:\ProgramData\...\RuntimeBroker.exe, PE32 20->56 dropped 58 2 other malicious files 20->58 dropped 86 Antivirus detection for dropped file 20->86 88 Multi AV Scanner detection for dropped file 20->88 90 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 20->90 92 4 other signatures 20->92 25 cmd.exe 1 20->25         started        28 cmd.exe 20->28         started        30 cmd.exe 1 20->30         started        32 14 other processes 20->32 file10 signatures11 process12 signatures13 94 Encrypted powershell cmdline option found 25->94 96 Uses schtasks.exe or at.exe to add and modify task schedules 25->96 98 Uses powercfg.exe to modify the power settings 25->98 34 powershell.exe 5 25->34         started        36 conhost.exe 25->36         started        100 Modifies power options to not sleep / hibernate 28->100 48 7 other processes 28->48 38 conhost.exe 30->38         started        40 schtasks.exe 1 30->40         started        42 conhost.exe 32->42         started        44 conhost.exe 32->44         started        46 conhost.exe 32->46         started        50 24 other processes 32->50 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f81559b522df85ce28b42e06362f4046f9f32ee2cef0a773889f3580087cf5fc/
Threat name:
ByteCode-MSIL.Packed.Lazy
Create hunting rule
Status:
Malicious
First seen:
2023-01-27 12:09:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
11 of 39 (28.21%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7akvtnjc36c44kfufyddml2ai347glxcz3yko44it42yacd46x6a._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230127-vejpqsdf21/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks computer location settings
Loads dropped DLL
Downloads MZ/PE file
Drops file in Drivers directory
Executes dropped EXE
Unpacked files
SH256 hash:
5c563db9a6d0bf951878377ba3c61919773b0ab6ea76a7b666f327c14e232c57
MD5 hash:
0fb5ae781f75578a7e5ee4dca3d0451b
SHA1 hash:
fe6c2cdd6c7688848bb4ecb4bee363b05d126139
Link:
https://www.unpac.me/results/6083bf6e-e044-4aaf-a6a0-04d2d08c525e/
SH256 hash:
f81559b522df85ce28b42e06362f4046f9f32ee2cef0a773889f3580087cf5fc
MD5 hash:
0b8e174570dae9c0d312906c311f197d
SHA1 hash:
7690f7b070a9f7c929722ad1168139d7a3198c14
Link:
https://www.unpac.me/results/6083bf6e-e044-4aaf-a6a0-04d2d08c525e/
Malware family:
XMRig
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f81559b522df/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f81559b522df85ce28b42e06362f4046f9f32ee2cef0a773889f3580087cf5fc

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_imphash
Create hunting rule
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 f81559b522df85ce28b42e06362f4046f9f32ee2cef0a773889f3580087cf5fc

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2516963/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/357540/

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