MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb8757974d332f7b90bd727640c6509732f921a356a884d3ddb364a7b80f7306. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
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SHA256 hash: cb8757974d332f7b90bd727640c6509732f921a356a884d3ddb364a7b80f7306
SHA3-384 hash: fda51f645d4b56239354c6ab6ef5b1f6eebbb373b1ce69f6de7411bbd78f4c5a900d3f88909748199a2376759fbc6b37
SHA1 hash: a11027a5cf06a377eab02efa7c25343c1eaf1513
MD5 hash: f59ce0d867586f2c378f47dfcc8a85df
humanhash: oranges-item-timing-kansas
File name:file
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:59'168 bytes
First seen:2024-02-05 14:48:58 UTC
Last seen:2024-02-05 16:40:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'654 x AgentTesla, 19'464 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 1536:89fAXTAmzJBAlHiW+v/e8NgV1fQxMuXIxb:894DDJBAL++yKlW
TLSH T110433B2787438C10DA6A8B71FDE48631F9217D5F996CB0F7DD4B804406E364B7AAC6E2
TrID 56.5% (.EXE) Win64 Executable (generic) (10523/12/4)
11.0% (.ICL) Windows Icons Library (generic) (2059/9)
10.9% (.EXE) OS/2 Executable (generic) (2029/13)
10.7% (.EXE) Generic Win/DOS Executable (2002/3)
10.7% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon 86b269d471948e22 (2 x PureLogsStealer)
Reporter jstrosch
Tags:.NET exe MSIL PureLogStealer X64


Avatar
jstrosch
Found at hxxp://magic.poisontoolz[.]com/PL.exe by #subcrawl

Intelligence

File Origin
# of uploads :
2
# of downloads :
307
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/474755/
Detection(s):
SecuriteInfo.com.Win64.RansomX-gen.29845.25693.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/65c0f56ba317adb74262d96b/reports/77436e68-1683-4462-9488-50aa3bcecd95/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/cb8757974d332f7b90bd727640c6509732f921a356a884d3ddb364a7b80f7306
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/4e7d68c1-bd4f-4d83-b70c-6192b054608d
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1386881
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for URL or domain
Found Tor onion address
Injects a PE file into a foreign processes
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Sigma detected: Tor Client/Browser Execution
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: 1386881 Sample: file.exe Startdate: 05/02/2024 Architecture: WINDOWS Score: 100 50 magic.poisontoolz.com 2->50 52 archive.torproject.org 2->52 54 archive-01.torproject.org 2->54 70 Antivirus detection for URL or domain 2->70 72 Multi AV Scanner detection for submitted file 2->72 74 Yara detected PureLog Stealer 2->74 76 5 other signatures 2->76 9 file.exe 14 3 2->9         started        signatures3 process4 dnsIp5 66 magic.poisontoolz.com 172.67.162.192, 443, 49714 CLOUDFLARENETUS United States 9->66 80 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->80 82 Modifies the context of a thread in another process (thread injection) 9->82 84 Injects a PE file into a foreign processes 9->84 13 file.exe 19 9->13         started        signatures6 process7 dnsIp8 68 archive-01.torproject.org 159.69.63.226, 443, 49718 HETZNER-ASDE Germany 13->68 42 C:\Users\user\AppData\Local\Temp\...\tor.exe, PE32 13->42 dropped 44 C:\Users\user\AppData\...\tor-gencert.exe, PE32 13->44 dropped 46 C:\Users\user\...\webtunnel-client.exe, PE32 13->46 dropped 48 3 other files (none is malicious) 13->48 dropped 86 Found Tor onion address 13->86 18 tor.exe 9 13->18         started        22 tor.exe 3 13->22         started        24 tor.exe 2 13->24         started        26 13 other processes 13->26 file9 signatures10 process11 dnsIp12 56 94.16.104.159, 49730, 9001 SSP-EUROPEpoweredbyANXDE Germany 18->56 58 95.214.53.216, 49727, 8445 PL-SKYTECH-ASPL Poland 18->58 64 4 other IPs or domains 18->64 78 Found Tor onion address 18->78 28 conhost.exe 18->28         started        60 5.135.199.11, 49739, 9001 OVHFR France 22->60 62 85.195.244.251, 443, 49738 INIT7CH Switzerland 22->62 30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        36 conhost.exe 26->36         started        38 conhost.exe 26->38         started        40 10 other processes 26->40 signatures13 process14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cb8757974d332f7b90bd727640c6509732f921a356a884d3ddb364a7b80f7306
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb8757974d332f7b90bd727640c6509732f921a356a884d3ddb364a7b80f7306/
Threat name:
ByteCode-MSIL.Trojan.Spynoon
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Status:
Malicious
First seen:
2024-02-02 00:06:38 UTC
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zodvpf2ngmxxxef5oj3ebrsqs4zpsindk2uiju65wnskpoapomda._file
Verdict:
malicious
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:zgrat rat
Link:
https://tria.ge/reports/240205-r62svaadg2/
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Detect ZGRat V1
ZGRat
Unpacked files
SH256 hash:
cb8757974d332f7b90bd727640c6509732f921a356a884d3ddb364a7b80f7306
MD5 hash:
f59ce0d867586f2c378f47dfcc8a85df
SHA1 hash:
a11027a5cf06a377eab02efa7c25343c1eaf1513
Link:
https://www.unpac.me/results/7834bee9-f97e-40e5-a1f7-610719534b01/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cb8757974d33/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/cb8757974d332f7b90bd727640c6509732f921a356a884d3ddb364a7b80f7306

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.

Web download

PureLogsStealer

Executable exe cb8757974d332f7b90bd727640c6509732f921a356a884d3ddb364a7b80f7306

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/474755/

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