MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b79cba07fde982e9f1a9b2603dd42d1b722a93ec09188fd4aef1caa7ed65666c. 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: 15


Intelligence 15 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b79cba07fde982e9f1a9b2603dd42d1b722a93ec09188fd4aef1caa7ed65666c
SHA3-384 hash: 8f97e8e6aa3959bd45253b90b3564f58cdefe069db47d28d895ec1f1381c53fd1fa4bc49525bd2ce05e50e548ee3ba10
SHA1 hash: 28020e8809dd76ecb36f159eba02977fdf63ec0c
MD5 hash: 660dc09849f5937821705f15dab705d8
humanhash: utah-golf-july-pizza
File name:660dc09849f5937821705f15dab705d8.exe
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:1'982'976 bytes
First seen:2024-07-09 09:23:46 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:k9g0Dj9pofD6vycN9F90CgB9yNhWcwCN01adWFflME8U5LPGJI0Jdxwy4ktl:k9J9Kr6vjF9O9yf54PMUPEI0J8
Threatray 383 similar samples on MalwareBazaar
TLSH T169952347E298E9E1D8193C339AE69AA9C6F0FD08792CC553380DB1D5A8F27501DC61DF
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):PE icon
dhash icon a9a9ada361869903 (32 x RemcosRAT, 2 x QuasarRAT, 2 x Expiro)
Reporter abuse_ch
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
399
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b79cba07fde982e9f1a9b2603dd42d1b722a93ec09188fd4aef1caa7ed65666c.exe
Verdict:
Malicious activity
Analysis date:
2024-07-09 09:28:06 UTC
Tags:
netreactor purehvnc
Link:
https://app.any.run/tasks/65a47d12-9b12-4192-9b96-e32a8f54a183

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.Malware-gen.22350.26440.UNOFFICIAL
Create hunting rule

PUA.Win.Packed.ConfuserEx-6582917-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=668d01b3d6caced36c82e59dwin7simulatehigh_evasion
Tags:
Banker Encryption Execution Network Stealth Njrat Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Searching for the window
Creating a process with a hidden window
Creating a file
Launching a process
Using the Windows Management Instrumentation requests
DNS request
Connecting to a non-recommended domain
Connection attempt
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bladabindi confuser confuserex net packed packed
Link:
https://www.filescan.io/uploads/668d01b4fa6ffdddde473ff5/reports/f06a5397-b99c-41a0-8704-0234f69047a1/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/b79cba07fde982e9f1a9b2603dd42d1b722a93ec09188fd4aef1caa7ed65666c
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/7d2c0084-50e7-47f4-8e9e-1beb34c7eea5
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1469959
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Allocates memory in foreign processes
Disable Windows Toast Notifications
Drops PE files to the user root directory
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
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
Sample uses process hollowing technique
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1469959 Sample: Q1m2aObFk2.exe Startdate: 09/07/2024 Architecture: WINDOWS Score: 100 61 datacenterclient.ddns.net 2->61 65 Multi AV Scanner detection for dropped file 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 Yara detected PureLog Stealer 2->69 73 6 other signatures 2->73 9 Q1m2aObFk2.exe 2 8 2->9         started        13 WindowsUpdater.exe 2->13         started        15 WindowsUpdater.exe 2->15         started        17 servicesw.exe 2->17         started        signatures3 71 Uses dynamic DNS services 61->71 process4 file5 55 C:\Users\user\AppData\...\servicesw.exe, PE32 9->55 dropped 57 C:\Users\user\AppData\...\WindowsUpdater.exe, PE32+ 9->57 dropped 59 C:\Users\user\AppData\...\Q1m2aObFk2.exe.log, ASCII 9->59 dropped 91 Disable Windows Toast Notifications 9->91 19 WindowsUpdater.exe 2 9->19         started        23 servicesw.exe 4 9->23         started        93 Writes to foreign memory regions 13->93 95 Allocates memory in foreign processes 13->95 97 Adds a directory exclusion to Windows Defender 13->97 25 powershell.exe 13->25         started        27 conhost.exe 13->27         started        29 RegSvcs.exe 13->29         started        31 InstallUtil.exe 13->31         started        99 Sample uses process hollowing technique 15->99 101 Injects a PE file into a foreign processes 15->101 33 powershell.exe 15->33         started        35 conhost.exe 15->35         started        37 AddInProcess32.exe 15->37         started        signatures6 process7 file8 53 C:\Users\user\WindowsUpdater.exe, PE32+ 19->53 dropped 75 Multi AV Scanner detection for dropped file 19->75 77 Drops PE files to the user root directory 19->77 79 Writes to foreign memory regions 19->79 85 4 other signatures 19->85 39 CasPol.exe 4 19->39         started        43 powershell.exe 21 19->43         started        45 conhost.exe 19->45         started        81 Machine Learning detection for dropped file 23->81 47 conhost.exe 25->47         started        83 Loading BitLocker PowerShell Module 33->83 49 conhost.exe 33->49         started        signatures9 process10 dnsIp11 63 datacenterclient.ddns.net 94.156.68.126, 2276, 49709 TERASYST-ASBG Bulgaria 39->63 87 Found many strings related to Crypto-Wallets (likely being stolen) 39->87 89 Loading BitLocker PowerShell Module 43->89 51 conhost.exe 43->51         started        signatures12 process13
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b79cba07fde982e9f1a9b2603dd42d1b722a93ec09188fd4aef1caa7ed65666c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b79cba07fde982e9f1a9b2603dd42d1b722a93ec09188fd4aef1caa7ed65666c/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-07-01 21:35:59 UTC
File Type:
PE (.Net Exe)
Extracted files:
34
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w6olub755gbot4njwjqd3vbndnzcve7mbemi7vfo6hfkp3lfmzwa._file
Verdict:
malicious
Similar samples:
1669d57e8c83d0666c86fafcd484a5fd158c995a58ad9a6855c56d849c00b40b
PureLogsStealer
542ddd41bf8603c95458d6c2c15e1a0cff107fbabac55b69b92bd40fd8bf1696
PureLogsStealer
b79cba07fde982e9f1a9b2603dd42d1b722a93ec09188fd4aef1caa7ed65666c
PureLogsStealer
bea6547e13a91dea30b43f7b50a6e95d8cbc285c9a2c397fa52d17ce8351cc30
PureLogsStealer
+ 373 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution persistence
Link:
https://tria.ge/reports/240709-lc2cbswgml/
Behaviour
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
Drops startup file
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/237ea9eb-8970-46c3-8249-9052e48f8dcb
Unpacked files
SH256 hash:
ae8462a59b0a09fc222e12c0957c7ae03f4e2942f504fab17f6f615d39ea8e8d
MD5 hash:
cf5b34bcf86b1a014ece42903f9b8492
SHA1 hash:
beeb018bbbab7db994b8b46dd065004de9d59b68
Detections:
SUSP_NET_NAME_ConfuserEx
Create hunting rule
INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Link:
https://www.unpac.me/results/f7166b2b-c1c9-4058-8c00-6be45100bedf/
SH256 hash:
d2e08c5b76df6693fe787fe7e59a592e1ede75ec35aab7e9b62b7ef4d2a05632
MD5 hash:
04bcd7b034f43a61b6d58b6cfc9f4afa
SHA1 hash:
a9345a201b947dae5f490bff2e068f8c9b8bc815
Link:
https://www.unpac.me/results/f7166b2b-c1c9-4058-8c00-6be45100bedf/
SH256 hash:
aa5dbddfd32cb18800a9db14c81455c586cb54ce63d09eec784901ec1b9c5c5d
MD5 hash:
28410ed239831300d536a1b3464cfb5c
SHA1 hash:
a5790131de1a7d1f46a35b93b54069db5bc0e9ca
Link:
https://www.unpac.me/results/f7166b2b-c1c9-4058-8c00-6be45100bedf/
SH256 hash:
e9e72098637b5d5c53eecc8e601e5001dcb653949eeba4b54470028e1822907b
MD5 hash:
cb6d0d9163a70d7799c821ac96db6226
SHA1 hash:
4303c2df277a85c79bce5b2a2a56a6300e4c822e
Link:
https://www.unpac.me/results/f7166b2b-c1c9-4058-8c00-6be45100bedf/
SH256 hash:
b79cba07fde982e9f1a9b2603dd42d1b722a93ec09188fd4aef1caa7ed65666c
MD5 hash:
660dc09849f5937821705f15dab705d8
SHA1 hash:
28020e8809dd76ecb36f159eba02977fdf63ec0c
Detections:
SUSP_NET_NAME_ConfuserEx
Create hunting rule
INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Link:
https://www.unpac.me/results/f7166b2b-c1c9-4058-8c00-6be45100bedf/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b79cba07fde9/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/b79cba07fde982e9f1a9b2603dd42d1b722a93ec09188fd4aef1caa7ed65666c

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:INDICATOR_EXE_Packed_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

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