MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1b4dc3dde2dcd561f0e2644074039b1c47b0688dd4f17ac7779dd2ffcf3fe2f. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a1b4dc3dde2dcd561f0e2644074039b1c47b0688dd4f17ac7779dd2ffcf3fe2f
SHA3-384 hash: 7cc91ff530af0bb4bda4e76e92a98463004d7907752f68077e1ae5956d96fce3c53e51166545ada900086bf090aed6ec
SHA1 hash: e5b9d575c135af12ae1a9228642548402ab755fc
MD5 hash: 770e86e91865ec221f0c83f3bb5b7ab5
humanhash: nineteen-romeo-blue-carpet
File name:file
Download: download sample
Signature CoinMiner
Create hunting rule
File size:77'312 bytes
First seen:2023-02-01 12:54:49 UTC
Last seen:2023-02-01 14:47:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash dac8ae7c837e7fe3a3ea62e0b6800155 (8 x Phorpiex, 2 x CoinMiner, 1 x CoinMiner.XMRig)
ssdeep 1536:gh3Mz8y5D0FLcNU33CxcuxrMhenfFB3CeeeeeeeeeeeeeeeeeeeWeeeee:ZwLFLQs3vuxrPnfFB3
Threatray 63 similar samples on MalwareBazaar
TLSH T187732800F250C13BF0F680FFF6FF5699196C9FA4434598D7A2E0688F6A256C5BA36097
TrID 37.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
20.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
12.7% (.EXE) Win64 Executable (generic) (10523/12/4)
7.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter jstrosch
Tags:CoinMiner exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
phorpiex
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-01 12:57:09 UTC
Tags:
trojan phorpiex
Link:
https://app.any.run/tasks/35f73303-8f5a-4169-a805-984b8b89bbd1

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/358975/
Detection(s):
SecuriteInfo.com.Trojan.FWDisable.emW@aO0Fsnn.14957.2996.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file in the Windows directory
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a window
Creating a file in the %temp% directory
DNS request
Sending a UDP request
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the Windows Security Center notifications
Creating a file in the mass storage device
Enabling threat expansion on mass storage devices
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/64473/overview
Behaviour
MalwareBazaar
CallSleep
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
phorpiex shell32.dll
Link:
https://www.filescan.io/uploads/63da612796add6d1cf496ad1/reports/d32574d3-1430-4502-bb4d-3800836c809c/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.
Malware family:
Phorpiex
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92671363-395f-4fb6-91fe-fefb76cb6aab
Result
Threat name:
Phorpiex, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1163184
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to check if Internet connection is working
Contains functionality to detect sleep reduction / modifications
Detected Stratum mining protocol
Drops executables to the windows directory (C:\Windows) and starts them
Found evasive API chain (may stop execution after checking mutex)
Found hidden mapped module (file has been removed from disk)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Query firmware table information (likely to detect VMs)
Sample is not signed and drops a device driver
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected Phorpiex
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 795943 Sample: file.exe Startdate: 01/02/2023 Architecture: WINDOWS Score: 100 70 Snort IDS alert for network traffic 2->70 72 Multi AV Scanner detection for domain / URL 2->72 74 Antivirus detection for URL or domain 2->74 76 9 other signatures 2->76 8 file.exe 1 1 2->8         started        12 winsvrupd.exe 4 2->12         started        14 powershell.exe 35 2->14         started        16 4 other processes 2->16 process3 file4 54 C:\Windows\sysagrsv.exe, PE32 8->54 dropped 98 Found evasive API chain (may stop execution after checking mutex) 8->98 100 Contains functionality to check if Internet connection is working 8->100 102 Drops executables to the windows directory (C:\Windows) and starts them 8->102 114 2 other signatures 8->114 18 sysagrsv.exe 7 21 8->18         started        56 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 12->56 dropped 58 C:\Users\user\AppData\Local\...\mpnsrsgv.tmp, PE32+ 12->58 dropped 104 Writes to foreign memory regions 12->104 106 Modifies the context of a thread in another process (thread injection) 12->106 108 Maps a DLL or memory area into another process 12->108 110 Sample is not signed and drops a device driver 12->110 23 cmd.exe 12->23         started        112 Uses schtasks.exe or at.exe to add and modify task schedules 14->112 25 conhost.exe 14->25         started        27 WMIC.exe 1 16->27         started        29 conhost.exe 16->29         started        31 conhost.exe 16->31         started        33 2 other processes 16->33 signatures5 process6 dnsIp7 62 129.122.130.139, 40500 ZAP-AngolaAO Angola 18->62 64 185.215.113.66, 49701, 49703, 49706 WHOLESALECONNECTIONSNL Portugal 18->64 66 25 other IPs or domains 18->66 46 C:\Users\user\AppData\...\3241418299.exe, PE32 18->46 dropped 48 C:\Users\user\AppData\Local\...\114859667.exe, PE32 18->48 dropped 78 Antivirus detection for dropped file 18->78 80 Multi AV Scanner detection for dropped file 18->80 82 Found evasive API chain (may stop execution after checking mutex) 18->82 86 5 other signatures 18->86 35 3241418299.exe 16 18->35         started        40 114859667.exe 18->40         started        84 Query firmware table information (likely to detect VMs) 23->84 file8 signatures9 process10 dnsIp11 68 185.215.113.84, 49704, 49721, 5151 WHOLESALECONNECTIONSNL Portugal 35->68 50 C:\Users\user\AppData\...\3215633632.exe, PE32+ 35->50 dropped 52 C:\Users\user\AppData\Local\...\xmr[1].exe, PE32+ 35->52 dropped 88 Antivirus detection for dropped file 35->88 90 Multi AV Scanner detection for dropped file 35->90 92 Machine Learning detection for dropped file 35->92 94 Hides that the sample has been downloaded from the Internet (zone.identifier) 35->94 42 3215633632.exe 3 35->42         started        file12 96 Detected Stratum mining protocol 68->96 signatures13 process14 file15 60 C:\Users\user\...\winsvrupd.exe, PE32+ 42->60 dropped 116 Antivirus detection for dropped file 42->116 118 Multi AV Scanner detection for dropped file 42->118 signatures16
Detection:
phorpiex
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a1b4dc3dde2dcd561f0e2644074039b1c47b0688dd4f17ac7779dd2ffcf3fe2f/
Threat name:
Win32.Trojan.FWDisable
Create hunting rule
Status:
Malicious
First seen:
2023-01-31 16:24:24 UTC
File Type:
PE (Exe)
AV detection:
24 of 26 (92.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ug2nypo6fxgvmhyoezcaoqbzwhchwbui3vhrpldxphos77ht7yxq._file
Verdict:
malicious
Similar samples:
09a3a72ed78683c5fbe62e66c33ba7d5dc8b77ca5f52965364e8d41d5622c29d
CoinMiner
0c36cf74963333c9fec0b0501043eb38761b76b76946539f374c1c320a7a5dc9
CoinMiner
3a8eaf1dbbf401932d21a925da718704dbc6118abbb635d13d380c9a875830fe
CoinMiner
48214f32e63f85fe88aff17257a746862d7530bce20b2dfc7a7b942743374a31
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4b56d0b0c8c52803bf7c21587bd98a16f73f0d6ed4e4153eee1964533ac394ee
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50fcdf33b27a9bc36765e7b5a2650678f0f0ef15d6410054f89fb63605f849e5
CoinMiner
5c8d519b601447d102fc9b2f83b894bf15939506a3ad8aa53fa535de36121ce7
CoinMiner
78a973ace68c9666e5ec28c53be0d2d36bde2d419c10fa6ed939156d199a18ef
CoinMiner
94e2fe84aeea801b0ddcf49c74375bb23ec242d30edc39fccd296ed2e7b64f72
CoinMiner
c57a898f765280e3f0ad6d6fa944c6e2c19838e9cf4389be1782c0a86706b849
CoinMiner
+ 53 additional samples on MalwareBazaar
Result
Malware family:
phorphiex
Create hunting rule
Score:
  10/10
Tags:
family:phorphiex evasion loader persistence trojan worm
Link:
https://tria.ge/reports/230201-p5rv5sdb99/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Adds Run key to start application
Loads dropped DLL
Windows security modification
Executes dropped EXE
Phorphiex
Windows security bypass
Malware Config
C2 Extraction:
http://185.215.113.66/
Unpacked files
SH256 hash:
a1b4dc3dde2dcd561f0e2644074039b1c47b0688dd4f17ac7779dd2ffcf3fe2f
MD5 hash:
770e86e91865ec221f0c83f3bb5b7ab5
SHA1 hash:
e5b9d575c135af12ae1a9228642548402ab755fc
Link:
https://www.unpac.me/results/7497fedb-deb9-40c7-ba9e-130901dbe3c6/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a1b4dc3dde2d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Phorpiex
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/a1b4dc3dde2dcd561f0e2644074039b1c47b0688dd4f17ac7779dd2ffcf3fe2f

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Web download

CoinMiner

Executable exe a1b4dc3dde2dcd561f0e2644074039b1c47b0688dd4f17ac7779dd2ffcf3fe2f

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2515361/
Cape
Cape
https://www.capesandbox.com/analysis/358975/
  
URLhaus
https://urlhaus.abuse.ch/url/2001824/
  
URLhaus
https://urlhaus.abuse.ch/url/2001823/

Comments