MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8c503cad1ff92d608501ae76a4e9b6947580cf686d8867e8f060e37c1a1618a. 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


PureCrypter


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8c503cad1ff92d608501ae76a4e9b6947580cf686d8867e8f060e37c1a1618a
SHA3-384 hash: 7d254f604801aca0e32c38e9cae9d533a7cb815e3d64ad89441ac1b73584a826a048c262b4a77e6676781c4d801e09f4
SHA1 hash: c9d2392a4660759b72bda955a76c4ffd198b4383
MD5 hash: 44622abb2bd17b2c4734318dc5de7f6a
humanhash: pennsylvania-kitten-fifteen-eight
File name:44622abb2bd17b2c4734318dc5de7f6a.exe
Download: download sample
Signature PureCrypter
Create hunting rule
File size:3'067'392 bytes
First seen:2023-01-27 14:11:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:6aZXhxYiUWQ6ZMPFuqY6hYFJqlveNDhPpg5PvKM6E+mqp1p1KoHzx:jZRyiRQ6ZSuqXhcBNWXKBmqpj1bzx
Threatray 13'154 similar samples on MalwareBazaar
TLSH T113E533FDA78395C9F9838D3C4546C644CBE436F2B06E8CEC180AFBA39546D197A589CC
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
Reporter abuse_ch
Tags:exe purecrypter

Intelligence

File Origin
# of uploads :
1
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-26 08:03:27 UTC
Tags:
loader
Link:
https://app.any.run/tasks/faeed31b-092e-4a36-a8d5-8293e99d3f5c

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/357437/
Detection(s):
SecuriteInfo.com.Win64.DropperX-gen.13554.16555.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
No Threat
Threat level:
  2/10
Confidence:
67%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/63d3dbb42d4f6d560e23465c/reports/b1e9c63a-a036-4940-a8b2-63a23c82ba1d/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/c38e4230-b988-4adb-a37a-59370b6d0d22
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1160256
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 793019 Sample: 5l2m4wKawU.exe Startdate: 27/01/2023 Architecture: WINDOWS Score: 88 46 Multi AV Scanner detection for submitted file 2->46 48 .NET source code contains potential unpacker 2->48 50 Machine Learning detection for sample 2->50 52 2 other signatures 2->52 7 5l2m4wKawU.exe 15 12 2->7         started        12 Ntumenbu.exe 3 2->12         started        14 vsqje.exe 1 2->14         started        16 Ntumenbu.exe 1 2->16         started        process3 dnsIp4 42 discord.com 162.159.136.232, 443, 49715 CLOUDFLARENETUS United States 7->42 34 C:\Users\user\AppData\...34tumenbu.exe, PE32+ 7->34 dropped 36 C:\Users\user\AppData\Local\...\vsqje.exe, PE32+ 7->36 dropped 38 C:\Users\...38tumenbu.exe:Zone.Identifier, ASCII 7->38 dropped 40 2 other malicious files 7->40 dropped 54 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 7->54 56 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->56 58 Encrypted powershell cmdline option found 7->58 18 powershell.exe 16 7->18         started        60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 20 powershell.exe 13 12->20         started        22 powershell.exe 11 14->22         started        44 192.168.2.1 unknown unknown 16->44 24 powershell.exe 11 16->24         started        file5 signatures6 process7 process8 26 conhost.exe 18->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8c503cad1ff92d608501ae76a4e9b6947580cf686d8867e8f060e37c1a1618a/
Threat name:
ByteCode-MSIL.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2023-01-26 09:23:53 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
18 of 39 (46.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zdcqhswr76jnmccqdltwutu3nfdvqdhwq3mim7upayhdpqnbmgfa._file
Verdict:
malicious
Similar samples:
0ddf7226ac77878f78a73875b0633229368d8e8c28acdd4469d65648d99adfc6
PureCrypter
0ef43bfbcf7566727359acd6ab88590c1cbcdd25c913e2ea8c111118493f8e7c
PureCrypter
93b17c9c6d764b7e218d2d1669e8bd68059da3fe346936071b012d22d52fb35e
PureCrypter
cd4fd070dbe5909f9e14e9228bc1243c2993e6dd105e91deed3bb3ca53e1f30d
PureCrypter
d060ee3029a154a6fba6ed666ee5fafb2c8ee019dcfde0819f8aa24392b6e944
PureCrypter
d100473e1baaf8c66e872b8536306db55d4d237106cdfc329f22b477dd94c379
PureCrypter
f00982603a693995cf32649df28ac390ce839638751f04d11517454466061785
PureCrypter
+ 13'144 additional samples on MalwareBazaar
Result
Malware family:
purecrypter
Create hunting rule
Score:
  10/10
Tags:
family:purecrypter downloader loader persistence
Link:
https://tria.ge/reports/230127-rhvpmabe66/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Detect PureCrypter injector
PureCrypter
Unpacked files
SH256 hash:
c8c503cad1ff92d608501ae76a4e9b6947580cf686d8867e8f060e37c1a1618a
MD5 hash:
44622abb2bd17b2c4734318dc5de7f6a
SHA1 hash:
c9d2392a4660759b72bda955a76c4ffd198b4383
Link:
https://www.unpac.me/results/6171029d-a80e-41d1-a64c-009c5b7f3af2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/c8c503cad1ff92d608501ae76a4e9b6947580cf686d8867e8f060e37c1a1618a

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_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly

File information

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

Web download

PureCrypter

Executable exe c8c503cad1ff92d608501ae76a4e9b6947580cf686d8867e8f060e37c1a1618a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2519962/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/357437/

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