MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdd18149da8dd36475433df59529ff1159969bb23aa34274e9a114e2979dfdc8. 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 6 File information Comments 1

SHA256 hash: bdd18149da8dd36475433df59529ff1159969bb23aa34274e9a114e2979dfdc8
SHA3-384 hash: 483e6b5bd35d2e50f1205c759bd4e5222a0233551c9eb16812db287be8dd2899f0909e55b6bf8ae7c48138517464dac3
SHA1 hash: 440889f53847cfa015d58e9cfceee6aeff592f01
MD5 hash: 220b2d1b6863a6359290d586320a79d3
humanhash: fillet-paris-floor-maine
File name:5325055386_202312.exe
Download: download sample
Signature PureLogsStealer
File size:2'864'128 bytes
First seen:2024-01-04 11:42:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:Lf4PDODdies0yuOemVk1VaZ0EQcRVFmkpKfAWao4iHk1Pa/lqdx7aniM:74kkEahS/lU2
Threatray 71 similar samples on MalwareBazaar
TLSH T106D55A03BA5689A2C1591733C5EBC61403A5EBA62713D71B3ECF632598C33AB4F49727
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
File icon (PE):PE icon
dhash icon 4db292f2d88cb40b (15 x RemcosRAT, 13 x AgentTesla, 7 x NanoCore)
Reporter smica83
Tags:exe HUN PureLog zgRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
467
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
bdd18149da8dd36475433df59529ff1159969bb23aa34274e9a114e2979dfdc8.exe
Verdict:
Suspicious activity
Analysis date:
2024-01-04 11:46:18 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file in the %AppData% directory
DNS request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
89%
Tags:
packed
Verdict:
Malicious
Labled as:
MSIL/Kryptik_AGeneric.BSJ 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.
Result
Threat name:
PureLog Stealer, zgRAT
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
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Uses ipconfig to lookup or modify the Windows network settings
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1369763 Sample: 5325055386_202312.exe Startdate: 04/01/2024 Architecture: WINDOWS Score: 100 59 purelgs.duckdns.org 2->59 61 55.235.10.0.in-addr.arpa 2->61 75 Malicious sample detected (through community Yara rule) 2->75 77 Multi AV Scanner detection for submitted file 2->77 79 Yara detected PureLog Stealer 2->79 83 4 other signatures 2->83 8 5325055386_202312.exe 1 4 2->8         started        12 labellaItkwtjv.exe 3 2->12         started        14 labellaItkwtjv.exe 2 2->14         started        signatures3 81 Uses dynamic DNS services 59->81 process4 file5 55 C:\Users\user\AppData\...\labellaItkwtjv.exe, PE32+ 8->55 dropped 85 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->85 87 Modifies the context of a thread in another process (thread injection) 8->87 89 Injects a PE file into a foreign processes 8->89 16 5325055386_202312.exe 23 8->16         started        21 cmd.exe 1 8->21         started        23 cmd.exe 1 8->23         started        91 Multi AV Scanner detection for dropped file 12->91 25 labellaItkwtjv.exe 12->25         started        27 cmd.exe 1 12->27         started        29 cmd.exe 12->29         started        31 cmd.exe 14->31         started        33 cmd.exe 14->33         started        signatures6 process7 dnsIp8 57 purelgs.duckdns.org 193.142.59.11, 49735, 49736, 49738 HOSTSLICK-GERMANYNL Netherlands 16->57 53 C:\Users\user\AppData\...\sqlite.interop.dll, PE32+ 16->53 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->63 65 Tries to steal Mail credentials (via file / registry access) 16->65 67 Found many strings related to Crypto-Wallets (likely being stolen) 16->67 69 Uses ipconfig to lookup or modify the Windows network settings 21->69 35 conhost.exe 21->35         started        37 ipconfig.exe 1 21->37         started        39 conhost.exe 23->39         started        41 ipconfig.exe 1 23->41         started        71 Tries to harvest and steal browser information (history, passwords, etc) 25->71 73 Tries to harvest and steal Bitcoin Wallet information 25->73 43 conhost.exe 27->43         started        45 ipconfig.exe 1 27->45         started        47 2 other processes 29->47 49 2 other processes 31->49 51 2 other processes 33->51 file9 signatures10 process11
Threat name:
ByteCode-MSIL.Trojan.CrypterX
Status:
Malicious
First seen:
2024-01-04 11:43:11 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
5
AV detection:
17 of 23 (73.91%)
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:
bdd18149da8dd36475433df59529ff1159969bb23aa34274e9a114e2979dfdc8
MD5 hash:
220b2d1b6863a6359290d586320a79d3
SHA1 hash:
440889f53847cfa015d58e9cfceee6aeff592f01
Detections:
Typical_Malware_String_Transforms
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:Typical_Malware_String_Transforms
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research

File information


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

Comments



Avatar
Szabolcs Schmidt commented on 2024-01-04 11:51:15 UTC

C2 IP: 193.142.59.11:9008
C2 domain: purelgs.duckdns.org