MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dcb623cc7f3f21e92e4878c82ce79582fdf6ba1e5e0c76f19097d1496e6c4b08. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dcb623cc7f3f21e92e4878c82ce79582fdf6ba1e5e0c76f19097d1496e6c4b08
SHA3-384 hash: c1096d1e2798a049f69abd9ef8b19789ef85f5dbc26b98ccd9aaa57ea5e98e8a7337d57c11f530652b0acc03ff6421d6
SHA1 hash: cb3f89df88e1468bca9d5ca01d22588791884ecb
MD5 hash: 3a44104fb5d035d1cd725732e94a5e8d
humanhash: august-artist-lion-thirteen
File name:SecuriteInfo.com.Program.Unwanted.4610.15239.20339
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:493'432 bytes
First seen:2024-03-16 09:25:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:5rtQDr7b6OdSo1qwmHR91YiOU35YyaLPTTNMGL2w9BBfdN3MVqRw6aPMGGmG1H:5JQDr2oE1YpUCycTNbJBJ3MB2
TLSH T1D2A4D44517508D36F2BE06F590CE0039D3A1ED9266D6AB0DD88CB4E16BB335E05FE26B
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 31e1cd0d0dc789b1 (7 x AgentTesla, 5 x PureLogsStealer, 1 x AsyncRAT)
Reporter SecuriteInfoCom
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
548
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
dcb623cc7f3f21e92e4878c82ce79582fdf6ba1e5e0c76f19097d1496e6c4b08.exe
Verdict:
Malicious activity
Analysis date:
2024-03-16 09:25:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b8f8b87c-228d-44e0-bdbe-175e55110c5c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/479206/
Detection(s):
SecuriteInfo.com.Program.Unwanted.4610.15239.20339.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Restart of the analyzed sample
Creating a file
Creating a file in the %AppData% subdirectories
Creating a window
Сreating synchronization primitives
Connection attempt to an infection source
DNS request
Connection attempt
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/65f565ad5cd908a33db43955/reports/09d30ac0-e1c4-4d49-bddd-036d07be5770/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/dcb623cc7f3f21e92e4878c82ce79582fdf6ba1e5e0c76f19097d1496e6c4b08
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.
Malware family:
Dark Crystal RAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/754eb788-9a83-4422-b452-f037f2c9f8d3
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1410135
Signature
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Creates multiple autostart registry keys
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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)
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1410135 Sample: SecuriteInfo.com.Program.Un... Startdate: 16/03/2024 Architecture: WINDOWS Score: 100 38 firstbaptiststjoe.org 2->38 42 Multi AV Scanner detection for domain / URL 2->42 44 Antivirus detection for URL or domain 2->44 46 Multi AV Scanner detection for submitted file 2->46 48 4 other signatures 2->48 7 SecuriteInfo.com.Program.Unwanted.4610.15239.20339.exe 16 5 2->7         started        12 Ozhvdskglxw.exe 14 3 2->12         started        14 ckje.exe 14 5 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 40 firstbaptiststjoe.org 44.215.252.154, 443, 49710, 49711 AMAZON-AESUS United States 7->40 36 C:\Users\user\AppData\...\Ozhvdskglxw.exe, PE32 7->36 dropped 52 Creates multiple autostart registry keys 7->52 54 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->54 56 Injects a PE file into a foreign processes 7->56 58 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->58 18 SecuriteInfo.com.Program.Unwanted.4610.15239.20339.exe 1 4 7->18         started        22 SecuriteInfo.com.Program.Unwanted.4610.15239.20339.exe 7->22         started        60 Multi AV Scanner detection for dropped file 12->60 62 Machine Learning detection for dropped file 12->62 24 Ozhvdskglxw.exe 2 12->24         started        26 ckje.exe 14->26         started        28 Ozhvdskglxw.exe 16->28         started        30 ckje.exe 16->30         started        32 ckje.exe 16->32         started        file6 signatures7 process8 file9 34 C:\Users\user\AppData\Roaming\...\ckje.exe, PE32 18->34 dropped 50 Creates multiple autostart registry keys 18->50 signatures10
Score:
83%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/dcb623cc7f3f21e92e4878c82ce79582fdf6ba1e5e0c76f19097d1496e6c4b08
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/dcb623cc7f3f21e92e4878c82ce79582fdf6ba1e5e0c76f19097d1496e6c4b08/
Threat name:
ByteCode-MSIL.Trojan.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2024-03-12 03:45:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3s3chtd7h4q6slsipdeczz4vql67noq6lyghn4mqs7ius3tmjmea._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:purelogstealer family:zgrat persistence rat stealer
Link:
https://tria.ge/reports/240316-ld69zaaa39/
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Detect ZGRat V1
PureLog Stealer
PureLog Stealer payload
ZGRat
Unpacked files
SH256 hash:
dcb623cc7f3f21e92e4878c82ce79582fdf6ba1e5e0c76f19097d1496e6c4b08
MD5 hash:
3a44104fb5d035d1cd725732e94a5e8d
SHA1 hash:
cb3f89df88e1468bca9d5ca01d22588791884ecb
Link:
https://www.unpac.me/results/604b0b4b-8ad0-4c16-98c8-add7147138d4/
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/dcb623cc7f3f21e92e4878c82ce79582fdf6ba1e5e0c76f19097d1496e6c4b08

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:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Cape
Cape
https://www.capesandbox.com/analysis/479206/

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