MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8476500f6ecba15ee6e50f37c34bf2ccdd4790b42d0a44737d2626dcaa0e2449. 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
NanoCore
Vendor detections: 17
| SHA256 hash: | 8476500f6ecba15ee6e50f37c34bf2ccdd4790b42d0a44737d2626dcaa0e2449 |
|---|---|
| SHA3-384 hash: | c3f2951665e0dea6c5df661890ea095894049b642950720352d546deb9985635b6959f5318a20bf65f034a9887107e72 |
| SHA1 hash: | 04c1003f6611b769fc7f900d404ac90d550a12ac |
| MD5 hash: | 3b7ef5232e11bd43c48fbbcbaada35ab |
| humanhash: | winter-mississippi-pennsylvania-item |
| File name: | 5021036673.exe |
| Download: | download sample |
| Signature | NanoCore |
| File size: | 472'440 bytes |
| First seen: | 2024-05-21 12:45:11 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 6144:DVwYYaG3c+iS3oBIOokpsEjb2SfjNhuthxCCfBjhpH3565Xnnz/84DP7/V:r+bOxpsUiS7TutDCVF |
| Threatray | 111 similar samples on MalwareBazaar |
| TLSH | T1BEA42B8AA3C57EE7D4A50B32DA625604C378E311939FD30B51E16C652DEEBA7C803E17 |
| TrID | 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| File icon (PE): |  |
| dhash icon | d8f2e4ccd4d4d4d4 (9 x AgentTesla, 2 x Formbook, 1 x a310Logger) |
| Reporter |  abuse_ch |
| Tags: | exe NanoCore RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
462
Origin country :
NLVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8476500f6ecba15ee6e50f37c34bf2ccdd4790b42d0a44737d2626dcaa0e2449.exe
Verdict:
Malicious activity
Analysis date:
2024-05-21 12:50:22 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
81.4%
Tags:
Encryption Static Redcap
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Connection attempt to an infection source
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
obfuscated overlay packed packed smartassembly smart_assembly
Verdict:
Malicious
Labled as:
MSIL/Kryptik_AGeneric.CJB trojan
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
Result
Threat name:
Nanocore, AgentTesla, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Detected Nanocore Rat
Downloads files with wrong headers with respect to MIME Content-Type
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: NanoCore
Snort IDS alert for network traffic
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)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Nanocore RAT
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Score:
93%
Verdict:
Malware
File Type:
PE
Detection:
agenttesla
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-05-21 12:42:58 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 24 (79.17%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 101 additional samples on MalwareBazaar
Result
Malware family:
nanocore
Score:
10/10
Tags:
family:agenttesla family:nanocore evasion keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks whether UAC is enabled
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads WinSCP keys stored on the system
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
NanoCore
Malware Config
C2 Extraction:
94.156.68.219:2323
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8476500f6ecba15ee6e50f37c34bf2ccdd4790b42d0a44737d2626dcaa0e2449
MD5 hash:
3b7ef5232e11bd43c48fbbcbaada35ab
SHA1 hash:
04c1003f6611b769fc7f900d404ac90d550a12ac
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Nanocore
Score:
1.00
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: | AgentTeslaV3 |
|---|---|
| Author: | ditekshen |
| Description: | AgentTeslaV3 infostealer payload |
| Rule name: | AgentTeslaV5 |
|---|---|
| Author: | ClaudioWayne |
| Description: | AgentTeslaV5 infostealer payload |
| Rule name: | Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | INDICATOR_EXE_Packed_GEN01 |
|---|---|
| Author: | ditekSHen |
| Description: | Detect packed .NET executables. Mostly AgentTeslaV4. |
| Rule name: | INDICATOR_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
| Rule name: | INDICATOR_SUSPICIOUS_Binary_References_Browsers |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many file transfer clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing Windows vault credential objects. Observed in infostealers |
| Rule name: | malware_Agenttesla_type2 |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Agenttesla in memory |
| Reference: | internal research |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | pe_imphash |
|---|
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | Windows_Generic_Threat_9f4a80b2 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Trojan_AgentTesla_ebf431a8 |
|---|---|
| Author: | Elastic Security |
| Reference: | https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (GUARD_CF) | high |
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.