MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7a83f3bab7fb9169cd2d5737f9d362b76e9e1574bb54384ebd2ebe9d17649dae. 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 1 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7a83f3bab7fb9169cd2d5737f9d362b76e9e1574bb54384ebd2ebe9d17649dae
SHA3-384 hash: d92aa133b82c753e56d16d607cd219729465941b0c41ce2ac91adfbdf2c479b55e074208f3181c0325d0f502f624fb9c
SHA1 hash: 5ce205e6e171209e56e57e09727fc10ab075a615
MD5 hash: eb98253c7af23770d78d9e3e765d183d
humanhash: alpha-magazine-arizona-virginia
File name:eb98253c7af23770d78d9e3e765d183d
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:1'595'392 bytes
First seen:2024-10-23 08:14:36 UTC
Last seen:2024-10-23 09:42:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4cea7ae85c87ddc7295d39ff9cda31d1 (85 x RedLineStealer, 70 x LummaStealer, 61 x Rhadamanthys)
ssdeep 24576:ViyYTsVel8AxCgXLzSJT0K9DwxBjyFh45/8K/XnxuWL4xOBZzBPWwZ/1PTa4IoFt:vOshAxCgXLzWbwxBOzU/XTkOXBPWQTD
TLSH T176752355B3E22162D8BC877558E202A35D31BC325B7693FF6388E87E5E23BC06631719
TrID 58.9% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
16.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
10.7% (.EXE) Win64 Executable (generic) (10522/11/4)
5.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.1% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon f8f0f4c8c8c8d8f0 (8'803 x RedLineStealer, 5'078 x Amadey, 288 x Smoke Loader)
Reporter zbetcheckin
Tags:64 exe PureLogStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
387
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
eb98253c7af23770d78d9e3e765d183d.exe
Verdict:
Malicious activity
Analysis date:
2024-10-23 08:19:01 UTC
Tags:
purecrypter netreactor rat asyncrat remote purehvnc
Link:
https://app.any.run/tasks/c5eb4f33-5ba5-463c-9197-c5dffab660cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.20956.13263.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6718b1739e67c24682036a17
Tags:
Autorun Crysan
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Creating a file
Launching a process
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
Connection attempt
Sending a custom TCP request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
advpack CAB explorer installer lolbin microsoft_visual_cc packed packed packer_detected rundll32 setupapi sfx shell32
Link:
https://www.filescan.io/uploads/6718b090c7aed0374daced50/reports/83829b53-eec6-472a-b04d-d3bd2714b9bb/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/7a83f3bab7fb9169cd2d5737f9d362b76e9e1574bb54384ebd2ebe9d17649dae
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/d2304294-9acb-42bd-b21d-a9d4a4075852
Result
Threat name:
PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1540016
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Drops VBS files to the startup folder
Found many strings related to Crypto-Wallets (likely being stolen)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
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: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1540016 Sample: gBYV3uACcC.exe Startdate: 23/10/2024 Architecture: WINDOWS Score: 100 34 171.39.242.20.in-addr.arpa 2->34 46 Suricata IDS alerts for network traffic 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 10 other signatures 2->52 8 gBYV3uACcC.exe 1 3 2->8         started        11 wscript.exe 1 2->11         started        14 rundll32.exe 2->14         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\...\focustask.exe, PE32 8->32 dropped 16 focustask.exe 4 8->16         started        62 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->62 20 cvchost.exe 2 11->20         started        signatures6 process7 file8 28 C:\Users\user\AppData\Local\cvchost.exe, PE32 16->28 dropped 30 C:\Users\user\AppData\Roaming\...\cvchost.vbs, ASCII 16->30 dropped 38 Machine Learning detection for dropped file 16->38 40 Found many strings related to Crypto-Wallets (likely being stolen) 16->40 42 Drops VBS files to the startup folder 16->42 44 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 16->44 22 InstallUtil.exe 1 2 16->22         started        26 InstallUtil.exe 3 20->26         started        signatures9 process10 dnsIp11 36 109.176.30.246, 56002, 57415, 57433 ECLIPSEGB United Kingdom 22->36 54 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 22->54 56 Found many strings related to Crypto-Wallets (likely being stolen) 22->56 58 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 22->58 60 3 other signatures 22->60 signatures12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/7a83f3bab7fb9169cd2d5737f9d362b76e9e1574bb54384ebd2ebe9d17649dae
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7a83f3bab7fb9169cd2d5737f9d362b76e9e1574bb54384ebd2ebe9d17649dae/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-10-23 08:15:17 UTC
File Type:
PE+ (Exe)
Extracted files:
39
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pkb7hovx7oiwttjnk437tu3cw5xj4fluxnkdqtv5f27j2f3etwxa._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/241023-j5j8ea1gmn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Executes dropped EXE
Suspicious use of NtCreateUserProcessOtherParentProcess
Verdict:
Malicious
Tags:
stealer redline
YARA:
detect_Redline_Stealer
Link:
https://app.threat.zone/submission/f52be43c-4a14-41d4-a59a-d183c3447f8c
Unpacked files
SH256 hash:
a1761ca84c05e7518a4cb0348989be99a6aac8900001c7a321b83546bbad30c8
MD5 hash:
2cd96735a5df272b14b66ff1199316f1
SHA1 hash:
82c5f4b02e5d10dad2811edce446b4c20a67a4af
Link:
https://www.unpac.me/results/a6cf7a03-44e2-494f-bc2d-350197bcd638/
SH256 hash:
7a83f3bab7fb9169cd2d5737f9d362b76e9e1574bb54384ebd2ebe9d17649dae
MD5 hash:
eb98253c7af23770d78d9e3e765d183d
SHA1 hash:
5ce205e6e171209e56e57e09727fc10ab075a615
Link:
https://www.unpac.me/results/a6cf7a03-44e2-494f-bc2d-350197bcd638/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7a83f3bab7fb/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/7a83f3bab7fb9169cd2d5737f9d362b76e9e1574bb54384ebd2ebe9d17649dae

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:detect_Redline_Stealer
Create hunting rule
Author:Varp0s

File information

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

Web download

PureLogsStealer

Executable exe 7a83f3bab7fb9169cd2d5737f9d362b76e9e1574bb54384ebd2ebe9d17649dae

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3249716/

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 (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::AllocateAndInitializeSid
ADVAPI32.dll::EqualSid
ADVAPI32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
ADVAPI32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::DeleteFileA
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::GetSystemDirectoryA
KERNEL32.dll::GetFileAttributesA
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegQueryInfoKeyA
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::PeekMessageA

Comments


Avatar
zbet commented on 2024-10-23 08:14:37 UTC

url : hxxp://31.15.17.80/mod02/focustaskpro.exe