MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7750c7c6dd4608af3a93f68a1d09d5f7729d265136f47008daf483f3aa97288. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c7750c7c6dd4608af3a93f68a1d09d5f7729d265136f47008daf483f3aa97288
SHA3-384 hash: 4729f8a24fab5588fbd3466408fea60dd959cecdd9d2b0fc63a26e53d31be433f828a82bd2fad4288af736375427c43b
SHA1 hash: 83569485bb007a6d8c46c288b623ad231afdc617
MD5 hash: eb310e6c1ead7f0d709ae62a725126f9
humanhash: monkey-sad-spring-eighteen
File name:file
Download: download sample
Signature PureCrypter
Create hunting rule
File size:352'768 bytes
First seen:2024-09-20 06:57:03 UTC
Last seen:2024-09-20 07:28:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'653 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:fuzmSPab21D02AHeMFwPDWGx6kjttS5nD0Yh4VobnSdRPkLYGByIEe1Ve:fkPU2q2AH5F+iD004SbnSdRPixE4Q
TLSH T147740212B78B8B20CF8A55B4C4E3A45043F5A3530673DB1BBD5503CA0E667D29BE6F89
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe purecrypter


Avatar
Bitsight
url: https://tmpfiles.org/dl/13064919/rcqirfnqr.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
483
Origin country :
US US
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-20 06:58:40 UTC
Tags:
rat asyncrat remote netreactor purehvnc
Link:
https://app.any.run/tasks/5c32b58a-e2bd-4ac2-92ae-fc1a2b860c4b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.16493.992.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ed1cc0f129e67ada901575
Tags:
Execution Generic Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a process from a recently created file
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed packed
Link:
https://www.filescan.io/uploads/66ed1cfc800c7315e1ca8dc5/reports/fe962b49-5dd6-4da6-8ed1-3531b7da4f43/overview
Verdict:
Malicious
Labled as:
Trojan.Mardom.MN.Generic
Link:
https://www.hybrid-analysis.com/sample/c7750c7c6dd4608af3a93f68a1d09d5f7729d265136f47008daf483f3aa97288
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:
Malicious
Link:
https://analyze.intezer.com/analyses/5d7532cf-e18a-4ea5-b287-f2befe7ee465
Result
Threat name:
PureCrypter, PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1514351
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected PureCrypter Trojan
Found many strings related to Crypto-Wallets (likely being stolen)
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 memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Set autostart key via New-ItemProperty Cmdlet
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to harvest and steal Bitcoin Wallet information
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c7750c7c6dd4608af3a93f68a1d09d5f7729d265136f47008daf483f3aa97288
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c7750c7c6dd4608af3a93f68a1d09d5f7729d265136f47008daf483f3aa97288/
Threat name:
ByteCode-MSIL.Dropper.Marsilia
Create hunting rule
Status:
Malicious
First seen:
2024-09-20 06:58:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
26 of 38 (68.42%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y52qy7dn2rqiv45jh5ukdue5l53stutfcnxuoaenv5ed6ovjokea._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery execution persistence spyware stealer
Link:
https://tria.ge/reports/240920-hqy8caterf/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Reads user/profile data of web browsers
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/a0bf20af-4b4f-4732-8ccd-1d882f4dac46
Unpacked files
SH256 hash:
935b090829c5b4424aabb7430f50b272967dfc45f5db138881224a930d0cc8b1
MD5 hash:
ccc954d4185701de3514bf3913564ef3
SHA1 hash:
c45bb01ad1b6ac14e71db7a3f43e5c1cc904e0dc
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f457fb05-f027-4536-909f-3772d0b611b9/
SH256 hash:
c7750c7c6dd4608af3a93f68a1d09d5f7729d265136f47008daf483f3aa97288
MD5 hash:
eb310e6c1ead7f0d709ae62a725126f9
SHA1 hash:
83569485bb007a6d8c46c288b623ad231afdc617
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/f457fb05-f027-4536-909f-3772d0b611b9/
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
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

PureCrypter

Executable exe c7750c7c6dd4608af3a93f68a1d09d5f7729d265136f47008daf483f3aa97288

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3182222/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments