MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c57a898f765280e3f0ad6d6fa944c6e2c19838e9cf4389be1782c0a86706b849. 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


Phorpiex


Vendor detections: 15


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

SHA256 hash: c57a898f765280e3f0ad6d6fa944c6e2c19838e9cf4389be1782c0a86706b849
SHA3-384 hash: be0ee4a9389e8502a862880322fb836e34f97c5efdc565bef316362c60a6012b13ffcd2b0d95297e6f28152c70b5d2b5
SHA1 hash: b4011c7af9fe49fd2ba69264cd812fbf7472b27c
MD5 hash: a21c6fb746c2eb524c86361adc2d580e
humanhash: zebra-music-diet-july
File name:a21c6fb746c2eb524c86361adc2d580e.exe
Download: download sample
Signature Phorpiex
Create hunting rule
File size:79'360 bytes
First seen:2023-01-30 12:45:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash dac8ae7c837e7fe3a3ea62e0b6800155 (8 x Phorpiex, 2 x CoinMiner, 1 x CoinMiner.XMRig)
ssdeep 1536:gp3Mz8cRSqgcP53FGFdaNmnQ4EEi+HfFyeeeeeeeeeeeeeeeeeeeWeeeee:VwVM16QdV2fF
TLSH T19D732800F280C13BE0F681FFEAFF52995A1C9FB4530594E3A2E5649F5B246C6BA36453
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 abuse_ch
Tags:exe Phorpiex

Intelligence

File Origin
# of uploads :
1
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
phorpiex
Create hunting rule
ID:
1
File name:
a21c6fb746c2eb524c86361adc2d580e.exe
Verdict:
Malicious activity
Analysis date:
2023-01-30 12:54:33 UTC
Tags:
trojan phorpiex
Link:
https://app.any.run/tasks/75c76e2c-8ad3-47f7-8050-a4a5c0e5a656

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/358311/
Result
Verdict:
Malware
Maliciousness:

Behaviour
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/64029/overview
Behaviour
MalwareBazaar
CallSleep
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
83%
Tags:
greyware shell32.dll
Link:
https://www.filescan.io/uploads/63d7bc0b447edb203a020917/reports/9edc761a-716f-4b84-867e-fcf253fd121b/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/ed506446-2232-45f3-9bc6-624f53181253
Result
Threat name:
Phorpiex, Xmrig
Create hunting rule
Detection:
malicious
Classification:
troj.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161601
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 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: 794438 Sample: 9qVWuxEES7.exe Startdate: 30/01/2023 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Antivirus detection for URL or domain 2->70 72 Antivirus detection for dropped file 2->72 74 8 other signatures 2->74 8 9qVWuxEES7.exe 1 1 2->8         started        12 winsvrupd.exe 4 2->12         started        14 powershell.exe 34 2->14         started        16 11 other processes 2->16 process3 file4 52 C:\Windows\syserdsvc.exe, PE32 8->52 dropped 96 Found evasive API chain (may stop execution after checking mutex) 8->96 98 Contains functionality to check if Internet connection is working 8->98 100 Drops executables to the windows directory (C:\Windows) and starts them 8->100 114 2 other signatures 8->114 18 syserdsvc.exe 7 18 8->18         started        54 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 12->54 dropped 56 C:\Users\user\AppData\Local\...\mpnsrsgv.tmp, PE32+ 12->56 dropped 102 Writes to foreign memory regions 12->102 104 Modifies the context of a thread in another process (thread injection) 12->104 106 Maps a DLL or memory area into another process 12->106 108 Sample is not signed and drops a device driver 12->108 23 cmd.exe 12->23         started        110 Uses schtasks.exe or at.exe to add and modify task schedules 14->110 25 conhost.exe 14->25         started        112 Query firmware table information (likely to detect VMs) 16->112 27 MpCmdRun.exe 16->27         started        29 conhost.exe 16->29         started        31 schtasks.exe 1 16->31         started        33 3 other processes 16->33 signatures5 process6 dnsIp7 60 185.215.113.66, 49713, 49714, 49719 WHOLESALECONNECTIONSNL Portugal 18->60 62 187.250.121.151, 40500 UninetSAdeCVMX Mexico 18->62 64 28 other IPs or domains 18->64 46 C:\Users\user\AppData\Local\...\993012833.exe, PE32 18->46 dropped 76 Antivirus detection for dropped file 18->76 78 Multi AV Scanner detection for dropped file 18->78 80 Found evasive API chain (may stop execution after checking mutex) 18->80 84 5 other signatures 18->84 35 993012833.exe 16 18->35         started        82 Query firmware table information (likely to detect VMs) 23->82 40 conhost.exe 27->40         started        file8 signatures9 process10 dnsIp11 66 185.215.113.84, 49716, 49740, 5151 WHOLESALECONNECTIONSNL Portugal 35->66 48 C:\Users\user\AppData\...\2859916795.exe, PE32+ 35->48 dropped 50 C:\Users\user\AppData\Local\...\xmr[1].exe, PE32+ 35->50 dropped 86 Antivirus detection for dropped file 35->86 88 Multi AV Scanner detection for dropped file 35->88 90 Machine Learning detection for dropped file 35->90 92 Hides that the sample has been downloaded from the Internet (zone.identifier) 35->92 42 2859916795.exe 3 35->42         started        file12 94 Detected Stratum mining protocol 66->94 signatures13 process14 file15 58 C:\Users\user\...\winsvrupd.exe, PE32+ 42->58 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/c57a898f765280e3f0ad6d6fa944c6e2c19838e9cf4389be1782c0a86706b849/
Threat name:
Win32.Trojan.FWDisable
Create hunting rule
Status:
Malicious
First seen:
2023-01-29 06:46:52 UTC
File Type:
PE (Exe)
AV detection:
20 of 25 (80.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yv5itd3wkkaoh4fnnvx2srgg4lazqohjz5bytpqxqlakqzygxbeq._file
Verdict:
malicious
Result
Malware family:
phorphiex
Create hunting rule
Score:
  10/10
Tags:
family:phorphiex evasion loader persistence trojan worm
Link:
https://tria.ge/reports/230130-pznarsca7w/
Behaviour
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:
c57a898f765280e3f0ad6d6fa944c6e2c19838e9cf4389be1782c0a86706b849
MD5 hash:
a21c6fb746c2eb524c86361adc2d580e
SHA1 hash:
b4011c7af9fe49fd2ba69264cd812fbf7472b27c
Link:
https://www.unpac.me/results/94291e3c-86b4-4aff-8236-fae3c3da45d9/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c57a898f7652/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/c57a898f765280e3f0ad6d6fa944c6e2c19838e9cf4389be1782c0a86706b849

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

Phorpiex

Executable exe c57a898f765280e3f0ad6d6fa944c6e2c19838e9cf4389be1782c0a86706b849

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2423598/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/358311/

Comments