MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f786d300e911c09396715900b66e26e1666570bb9483477f76040db3eaae15de. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f786d300e911c09396715900b66e26e1666570bb9483477f76040db3eaae15de
SHA3-384 hash: 6f7c9d751576bc8dab32b344fb925e6ea7aebd8c321733a48658f1317105893b17c07769c21bce9d28d273b4a71f0b1e
SHA1 hash: 674d26515b07d7c8aa1ec3b1916d96eaebbeaf53
MD5 hash: 29191d2d374a31472195d8e80b4f2860
humanhash: arkansas-october-uniform-fifteen
File name:SecuriteInfo.com.Win32.KeyloggerX-gen.11003.8104
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:3'024'384 bytes
First seen:2024-04-02 04:21:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 49152:nd0+uGMdBSeMbsxrmmI3ZRocRk9sp+e7XEXxfYwU0cwMSyxsdoyD:ixeImV38Vsp+KXGlYN2oy
Threatray 235 similar samples on MalwareBazaar
TLSH T195E52227B6178AB1E7845736CAAA252443A0F984E3A7FF1E788F53D90C4B3B2DC15117
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter SecuriteInfoCom
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
312
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
f786d300e911c09396715900b66e26e1666570bb9483477f76040db3eaae15de.exe
Verdict:
Malicious activity
Analysis date:
2024-04-02 04:21:28 UTC
Tags:
rat asyncrat remote
Link:
https://app.any.run/tasks/99dd3d70-2f15-4404-a397-8de3af0699a9

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

Behaviour
Creating a file in the system32 subdirectories
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Searching for synchronization primitives
Moving a file to the Program Files subdirectory
Replacing files
Setting browser functions hooks
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a file in the %AppData% directory
Creating a file
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Launching a process
Сreating synchronization primitives
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Enabling autorun by creating a file
Using obfuscated Powershell scripts
Unauthorized injection to a system process
Unauthorized injection to a browser process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade net_reactor packed packed
Link:
https://www.filescan.io/uploads/660b87eb6a2a018f46d4732e/reports/c11e675c-29fe-4538-9c01-3f63bfda587e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/f786d300e911c09396715900b66e26e1666570bb9483477f76040db3eaae15de
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
Link:
https://analyze.intezer.com/analyses/4fd58135-cf1b-4522-a9d4-77e25c2269fd
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1418497
Signature
Allocates memory in foreign processes
Antivirus detection for URL or domain
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Creates autostart registry keys with suspicious names
Found many strings related to Crypto-Wallets (likely being stolen)
Found suspicious powershell code related to unpacking or dynamic code loading
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Queries memory information (via WMI often done to detect virtual machines)
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines)
Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines)
Sigma detected: Potential PowerShell Command Line Obfuscation
Sigma detected: Potential WinAPI Calls Via CommandLine
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Very long command line found
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1418497 Sample: SecuriteInfo.com.Win32.Keyl... Startdate: 02/04/2024 Architecture: WINDOWS Score: 100 46 catherby.sytes.net 2->46 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 13 other signatures 2->56 9 powershell.exe 2 15 2->9         started        12 SecuriteInfo.com.Win32.KeyloggerX-gen.11003.8104.exe 2 6 2->12         started        signatures3 process4 file5 66 Writes to foreign memory regions 9->66 68 Modifies the context of a thread in another process (thread injection) 9->68 70 Found suspicious powershell code related to unpacking or dynamic code loading 9->70 72 Injects a PE file into a foreign processes 9->72 15 dllhost.exe 1 9->15         started        18 conhost.exe 9->18         started        40 C:\Users\user\AppData\Roaming\$77Adobe.exe, PE32 12->40 dropped 42 C:\Users\user\AppData\Local\Temp\$77df1eef, PE32 12->42 dropped 44 C:\Users\user\AppData\Local\Temp\$775742f6, PE32 12->44 dropped 74 Found many strings related to Crypto-Wallets (likely being stolen) 12->74 76 Creates autostart registry keys with suspicious names 12->76 78 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->78 80 Allocates memory in foreign processes 12->80 20 $775742f6 2 12->20         started        23 $77df1eef 1 12->23         started        signatures6 process7 dnsIp8 84 Injects code into the Windows Explorer (explorer.exe) 15->84 86 Contains functionality to inject code into remote processes 15->86 88 Writes to foreign memory regions 15->88 100 3 other signatures 15->100 25 lsass.exe 15->25 injected 28 dwm.exe 15->28 injected 30 winlogon.exe 15->30 injected 32 30 other processes 15->32 48 catherby.sytes.net 162.230.48.189, 49706, 56001 ATT-INTERNET4US United States 20->48 90 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 20->90 92 Found many strings related to Crypto-Wallets (likely being stolen) 20->92 94 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 20->94 102 3 other signatures 20->102 96 Multi AV Scanner detection for dropped file 23->96 98 Machine Learning detection for dropped file 23->98 signatures9 process10 signatures11 82 Writes to foreign memory regions 25->82 34 $77Adobe.exe 25->34         started        process12 file13 38 C:\Users\user\AppData\Local\Temp\$77d64e23, PE32 34->38 dropped 58 Multi AV Scanner detection for dropped file 34->58 60 Machine Learning detection for dropped file 34->60 62 Writes to foreign memory regions 34->62 64 2 other signatures 34->64 signatures14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/f786d300e911c09396715900b66e26e1666570bb9483477f76040db3eaae15de
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f786d300e911c09396715900b66e26e1666570bb9483477f76040db3eaae15de/
Threat name:
ByteCode-MSIL.Trojan.Nekark
Create hunting rule
Status:
Malicious
First seen:
2024-04-02 05:08:37 UTC
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=66dngahjchajhftrlealm3rg4ftgk4f3ssbuo73waqg3h2vocxpa._file
Verdict:
malicious
Similar samples:
0cb284abb63cf61b070bfa0a5250ff536f92907bbf5eec07070b9aeafa4ac2bd
PureLogsStealer
661a2b6049a9d139ab8ae094b25ea0cfd3f24e7aa18190ae11e23f9e97753899
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9df4aaa956d54f55f1bb038f3e8f086169983e094ef8432cd71df928a888a2d0
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bc87e0eaeac968db7503e353766d796c4a7ca617848f02415970f4f21ad3e7bb
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d0f7fb07005ab151b76ab0cd9f5b45a7d319fb3273044c2f5b66a491c6161f9e
PureLogsStealer
d545f5b27e90abc54cf5a37c35e866c08336a500cecd95e8267c0c729a6b9bbc
PureLogsStealer
d68a5d440931df383de62e3436f5f485ecd75b552e8b78065706a8c880828378
PureLogsStealer
dbbe21f14ca93d658be3606974e289edf4b205b22d967324c49cba1950f29b9e
PureLogsStealer
+ 225 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat persistence rat
Link:
https://tria.ge/reports/240402-ey8j7sgd21/
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Detect ZGRat V1
Suspicious use of NtCreateUserProcessOtherParentProcess
ZGRat
Unpacked files
SH256 hash:
4fe8bbdb5141c1be3c1e4960d1ba2aa49c0a3aa9b6e1316fccbe6f7bff7831ae
MD5 hash:
d9ea0a60267fdc954275906dadb48b80
SHA1 hash:
a4db8b34991d63cfcc4147cfe6538f840464091f
Link:
https://www.unpac.me/results/33f55c28-171f-48ab-8795-9bb7b5052cf2/
SH256 hash:
79862d56cd3d39d5a9f38b025f0920a95f31ed6b0c628eb464cde520a1dd157d
MD5 hash:
b7a6c39267e522fa2da0a5098acebbeb
SHA1 hash:
7301bf13e88d9cbbb5d7f9e3e50b6a269dcafe7f
Link:
https://www.unpac.me/results/33f55c28-171f-48ab-8795-9bb7b5052cf2/
SH256 hash:
f786d300e911c09396715900b66e26e1666570bb9483477f76040db3eaae15de
MD5 hash:
29191d2d374a31472195d8e80b4f2860
SHA1 hash:
674d26515b07d7c8aa1ec3b1916d96eaebbeaf53
Link:
https://www.unpac.me/results/33f55c28-171f-48ab-8795-9bb7b5052cf2/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f786d300e911/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f786d300e911c09396715900b66e26e1666570bb9483477f76040db3eaae15de

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
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 f786d300e911c09396715900b66e26e1666570bb9483477f76040db3eaae15de

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2798575/
  
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