MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1b3711717d430ce33222b97fe8ec692741b7ac8bd9bfb4c2c975ae2f46b37470. 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
PureLogsStealer
Vendor detections: 13
| SHA256 hash: | 1b3711717d430ce33222b97fe8ec692741b7ac8bd9bfb4c2c975ae2f46b37470 |
|---|---|
| SHA3-384 hash: | e448b3fc06410f8daefc255eb714cfb451dbcbee0637f0ca86a8ea8a340315a0d0c32c072500fda80a091c889a24a31a |
| SHA1 hash: | 89caf7f3b9f4d7d732ade5593e1958f6f025afa1 |
| MD5 hash: | fe7c4b36fca4fdf53789979a4a09c880 |
| humanhash: | nitrogen-nineteen-september-social |
| File name: | fe7c4b36fca4fdf53789979a4a09c880 |
| Download: | download sample |
| Signature | PureLogsStealer |
| File size: | 51'480 bytes |
| First seen: | 2024-04-19 05:35:03 UTC |
| Last seen: | 2024-04-19 06:22:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'845 x AgentTesla, 19'778 x Formbook, 12'298 x SnakeKeylogger) |
| ssdeep | 768:mDrJUAkwf3ppZuBdrm+KiPxWEh9HgPxWEjj4G:8rkwf3ppZRsPxZgPx94G |
| Threatray | 2'563 similar samples on MalwareBazaar |
| TLSH | T181331DD14648FF02DA76CFBC28F085122D38FE43DA23859B6309B4D50A72BC756B6DA5 |
| TrID | 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 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) |
| File icon (PE): |  |
| dhash icon | e8aa69d4d4cc8ee8 (7 x QuasarRAT, 4 x DCRat, 2 x OrcusRAT) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe PureLogStealer |
Intelligence
File Origin
# of uploads :
2
# of downloads :
355
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1b3711717d430ce33222b97fe8ec692741b7ac8bd9bfb4c2c975ae2f46b37470.exe
Verdict:
Malicious activity
Analysis date:
2024-04-19 05:37:46 UTC
Tags:
evasion xworm remote
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Creating a file in the %AppData% directory
Creating a window
Enabling the 'hidden' option for recently created files
Connection attempt to an infection source
Moving a file to the Program Files subdirectory
Replacing files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a system process
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
overlay packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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:
XWorm
Verdict:
Malicious
Result
Threat name:
PureLog Stealer, XWorm
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected XWorm
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Znyonm
Status:
Malicious
First seen:
2024-04-19 05:36:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
13 of 24 (54.17%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 2'553 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Score:
10/10
Tags:
family:chaos family:hermeticwiper family:xworm family:zgrat bootkit persistence ransomware rat trojan upx wiper
Behaviour
Creates scheduled task(s)
Enumerates system info in registry
Kills process with taskkill
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Enumerates physical storage devices
Drops file in Program Files directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops desktop.ini file(s)
Looks up external IP address via web service
Writes to the Master Boot Record (MBR)
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
UPX packed file
Drops file in Drivers directory
Chaos
Chaos Ransomware
Contains code to disable Windows Defender
Detect HermeticWiper
Detect Xworm Payload
Detect ZGRat V1
HermeticWiper
Xworm
ZGRat
Malware Config
C2 Extraction:
gamemodz.duckdns.org:6969
Unpacked files
SH256 hash:
1b3711717d430ce33222b97fe8ec692741b7ac8bd9bfb4c2c975ae2f46b37470
MD5 hash:
fe7c4b36fca4fdf53789979a4a09c880
SHA1 hash:
89caf7f3b9f4d7d732ade5593e1958f6f025afa1
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: | dsc |
|---|---|
| Author: | Aaron DeVera |
| Description: | Discord domains |
| 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 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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
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