MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2300ca2c579e70a1857dd185e1f98ae8f691176b4af9917b037c257ba344c584. 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



DarkCloud


Vendor detections: 13


Intelligence 13 IOCs YARA 4 File information Comments

SHA256 hash: 2300ca2c579e70a1857dd185e1f98ae8f691176b4af9917b037c257ba344c584
SHA3-384 hash: 1840836716ca9d8b0dc3ce9aa00e3a1acf73e0ff6de0ff5cbedb7004ddf953ef23f02ff7e72f0a99e617d6b612cf8272
SHA1 hash: ec956986d8df2c0bcf05cacee46961514762b4d0
MD5 hash: cb48bbc2f04dbd7b725d19b07cab2647
humanhash: texas-summer-fanta-may
File name:Nvojocm.exe
Download: download sample
Signature DarkCloud
File size:380'416 bytes
First seen:2024-11-07 08:14:18 UTC
Last seen:2024-11-07 10:26:59 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:JXsv1mJtKrpDbJ9aH1kcyDcAFaJWGMTAbwg/8nUks5uDIAhB92oMdCNlYAl:JUykcWStqksXsrwM8
Threatray 2'200 similar samples on MalwareBazaar
TLSH T144849423B6868AF1F2956736C5D7040053B0E78BB79BDB0E398A23DE19437B6DC1161B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter lowmal3
Tags:DarkCloud exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
379
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Nvojocm.exe
Verdict:
Malicious activity
Analysis date:
2024-11-07 08:22:00 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
95.7%
Tags:
autorun msil dldr
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Connection attempt to an infection source
Query of malicious DNS domain
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net_reactor packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
DarkCloud
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops VBS files to the startup folder
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sample uses string decryption to hide its real strings
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes or reads registry keys via WMI
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected DarkCloud
Yara detected Generic Dropper
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1550848 Sample: Nvojocm.exe Startdate: 07/11/2024 Architecture: WINDOWS Score: 100 30 showip.net 2->30 32 nexoproducciones.cl 2->32 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for URL or domain 2->42 44 13 other signatures 2->44 8 wscript.exe 1 2->8         started        11 Nvojocm.exe 15 5 2->11         started        signatures3 process4 dnsIp5 48 Windows Scripting host queries suspicious COM object (likely to drop second stage) 8->48 15 IsClosed.exe 14 2 8->15         started        36 nexoproducciones.cl 190.107.177.80, 443, 49709, 49763 SOCCOMERCIALWIRENETCHILELTDACL Chile 11->36 24 C:\Users\user\AppData\Roaming\IsClosed.exe, PE32 11->24 dropped 26 C:\Users\user\AppData\...\IsClosed.vbs, ASCII 11->26 dropped 28 C:\Users\...\IsClosed.exe:Zone.Identifier, ASCII 11->28 dropped 50 Drops VBS files to the startup folder 11->50 52 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->52 18 InstallUtil.exe 17 11->18         started        file6 signatures7 process8 dnsIp9 54 Antivirus detection for dropped file 15->54 56 Multi AV Scanner detection for dropped file 15->56 58 Machine Learning detection for dropped file 15->58 64 2 other signatures 15->64 21 InstallUtil.exe 16 15->21         started        34 showip.net 162.55.60.2, 49717, 49841, 80 ACPCA United States 18->34 60 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 18->60 62 Writes or reads registry keys via WMI 18->62 signatures10 process11 signatures12 46 Tries to harvest and steal browser information (history, passwords, etc) 21->46
Threat name:
Win32.Trojan.Leonem
Status:
Malicious
First seen:
2024-11-06 19:47:30 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Suspicious use of AdjustPrivilegeToken
System Location Discovery: System Language Discovery
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
2300ca2c579e70a1857dd185e1f98ae8f691176b4af9917b037c257ba344c584
MD5 hash:
cb48bbc2f04dbd7b725d19b07cab2647
SHA1 hash:
ec956986d8df2c0bcf05cacee46961514762b4d0
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:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

DarkCloud

Executable exe 2300ca2c579e70a1857dd185e1f98ae8f691176b4af9917b037c257ba344c584

(this sample)

  
Delivery method
Distributed via e-mail attachment

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 (GUARD_CF)high

Comments