MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6649e2e5ceba35b786f745b71b1b63dfde4e597cbbe093750065d08f0cb6e5e. 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: 14


Intelligence 14 IOCs YARA 5 File information Comments

SHA256 hash: d6649e2e5ceba35b786f745b71b1b63dfde4e597cbbe093750065d08f0cb6e5e
SHA3-384 hash: ce60b355db33e494a264d0d98a9f9bfe0d1a59fea2437cb1ec685d36edcfee9fa231525c9e7c8297f16dfb7ca2c819f6
SHA1 hash: d637cfd683c0e4b87d928f5a6bb9ae64771639b2
MD5 hash: a8fd283b496ea064535eaf1df71af3df
humanhash: fourteen-kitten-cardinal-arizona
File name:a8fd283b496ea064535eaf1df71af3df.exe
Download: download sample
Signature PureLogsStealer
File size:19'456 bytes
First seen:2024-04-06 07:11:54 UTC
Last seen:2024-04-06 07:23:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:4y7uQ2FeNo1JL7TV9tW59lBOjoz2nWyqlIB5shioJ/BL03:463pNIZ7TDtW5HBOjkWWyuhi4J+
Threatray 536 similar samples on MalwareBazaar
TLSH T15492D64B364CA922DCEDC73ACB23F2401365924E6B7BC7DE750B2336294339AC926755
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)
Reporter abuse_ch
Tags:exe PureLogStealer

Intelligence


File Origin
# of uploads :
2
# of downloads :
343
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
sporttraining.exe
Verdict:
Malicious activity
Analysis date:
2024-04-03 08:07:45 UTC
Tags:
opendir rat asyncrat 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
Connection attempt
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Launching a service
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
net_reactor packed zgrat
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.
Result
Threat name:
PureCrypter, PureLog Stealer
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected PureCrypter Trojan
Downloads files with wrong headers with respect to MIME Content-Type
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
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
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ipconfig to lookup or modify the Windows network settings
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1421248 Sample: ka0UKl7202.exe Startdate: 06/04/2024 Architecture: WINDOWS Score: 100 66 Antivirus / Scanner detection for submitted sample 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 Yara detected PureLog Stealer 2->70 72 8 other signatures 2->72 7 ka0UKl7202.exe 16 6 2->7         started        12 cvchost.exe 14 4 2->12         started        14 cvchost.exe 3 2->14         started        process3 dnsIp4 58 178.208.87.180, 49730, 49737, 49739 VDSINA-ASRU Russian Federation 7->58 54 C:\Users\user\AppData\Local\cvchost.exe, PE32 7->54 dropped 74 Found many strings related to Crypto-Wallets (likely being stolen) 7->74 76 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->76 78 Writes to foreign memory regions 7->78 16 InstallUtil.exe 2 7->16         started        20 cmd.exe 1 7->20         started        22 cmd.exe 1 7->22         started        80 Antivirus detection for dropped file 12->80 82 Multi AV Scanner detection for dropped file 12->82 84 Machine Learning detection for dropped file 12->84 24 InstallUtil.exe 12->24         started        26 cmd.exe 1 12->26         started        28 cmd.exe 12->28         started        86 Allocates memory in foreign processes 14->86 88 Injects a PE file into a foreign processes 14->88 30 cmd.exe 14->30         started        32 cmd.exe 14->32         started        34 InstallUtil.exe 14->34         started        file5 signatures6 process7 dnsIp8 56 185.125.50.121, 49736, 56001 INPLATLABS-ASRU Russian Federation 16->56 60 Found many strings related to Crypto-Wallets (likely being stolen) 16->60 62 Detected PureCrypter Trojan 16->62 64 Uses ipconfig to lookup or modify the Windows network settings 20->64 36 conhost.exe 20->36         started        38 ipconfig.exe 1 20->38         started        40 conhost.exe 22->40         started        42 ipconfig.exe 1 22->42         started        44 conhost.exe 26->44         started        46 ipconfig.exe 1 26->46         started        48 2 other processes 28->48 50 2 other processes 30->50 52 2 other processes 32->52 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.ZgRAT
Status:
Malicious
First seen:
2024-03-31 20:48:17 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:zgrat persistence rat
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
d6649e2e5ceba35b786f745b71b1b63dfde4e597cbbe093750065d08f0cb6e5e
MD5 hash:
a8fd283b496ea064535eaf1df71af3df
SHA1 hash:
d637cfd683c0e4b87d928f5a6bb9ae64771639b2
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:MSIL_TinyDownloader_Generic
Author:albertzsigovits
Description:Detects small-sized dotNET downloaders
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

Web download

PureLogsStealer

Executable exe d6649e2e5ceba35b786f745b71b1b63dfde4e597cbbe093750065d08f0cb6e5e

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments