MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cac0b5218693311e4bd40e0dfa76a0f080876640a4c992324c6926d70f228db2. 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 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cac0b5218693311e4bd40e0dfa76a0f080876640a4c992324c6926d70f228db2
SHA3-384 hash: 6ff880dddbb23403091f2fbea45e8136edb140b4e719f63ff1c5d418de4b1a49c618073f56f8f08d9efd6347958058bd
SHA1 hash: 8694f846dcb951fdb2e629a9024255dcf9c34d5f
MD5 hash: 7dd3e725b4b0e2322fa6a087dfbb5a60
humanhash: one-equal-vermont-single
File name:7dd3e725b4b0e2322fa6a087dfbb5a60
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:6'635'520 bytes
First seen:2024-07-29 05:35:40 UTC
Last seen:2024-07-29 06:22:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 196608:TeKXMpvO+EYWSo9YYv7h1Bf54Gv1IbR3gQ1z:TeIMpvLEDzTd54f/1z
TLSH T1446633371B4CAB62E73D52B5C0D56085A2FDE9230949DBE5188C33E90A4734DE3DA27B
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter zbetcheckin
Tags:32 exe PureLogStealer

Intelligence

File Origin
# of uploads :
2
# of downloads :
348
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
7dd3e725b4b0e2322fa6a087dfbb5a60
Verdict:
Malicious activity
Analysis date:
2024-07-29 08:50:37 UTC
Tags:
netreactor rat asyncrat remote stealer purehvnc
Link:
https://app.any.run/tasks/848700c1-02f1-47ac-bea3-46d308c7700b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a72a463ee5253b89e5db97
Tags:
Execution Network Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/66a72a43dfa8b2fced4f9a09/reports/eb44dc34-9d68-4857-ab97-26d5b54cb923/overview
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/effaaa72-a29b-457e-af36-26296ac5e874
Result
Threat name:
PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
spyw.evad.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1483818
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code contains very large array initializations
AI detected suspicious sample
Antivirus detection for dropped file
Drops large PE files
Injects a PE file into a foreign processes
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)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1483818 Sample: KZ5zPoWLWj.exe Startdate: 29/07/2024 Architecture: WINDOWS Score: 100 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 Yara detected AntiVM3 2->69 71 6 other signatures 2->71 7 KZ5zPoWLWj.exe 1 6 2->7         started        11 cvshost.exe 5 2->11         started        13 cvshost.exe 2->13         started        process3 file4 53 C:\Users\user\AppData\Local\cvshost.exe, PE32 7->53 dropped 73 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->73 75 Writes to foreign memory regions 7->75 77 Drops large PE files 7->77 15 InstallUtil.exe 1 2 7->15         started        19 cmd.exe 1 7->19         started        21 cmd.exe 1 7->21         started        79 Antivirus detection for dropped file 11->79 81 Machine Learning detection for dropped file 11->81 83 Injects a PE file into a foreign processes 11->83 23 cmd.exe 11->23         started        25 cmd.exe 11->25         started        27 InstallUtil.exe 11->27         started        29 InstallUtil.exe 11->29         started        31 cmd.exe 13->31         started        33 cmd.exe 13->33         started        signatures5 process6 dnsIp7 55 109.176.30.246, 49719, 49722, 56002 ECLIPSEGB United Kingdom 15->55 57 Queries sensitive physical memory information (via WMI, Win32_PhysicalMemory, often done to detect virtual machines) 15->57 59 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 15->59 61 Queries sensitive Plug and Play Device Information (via WMI, Win32_PnPEntity, often done to detect virtual machines) 15->61 63 2 other signatures 15->63 35 conhost.exe 19->35         started        37 timeout.exe 1 19->37         started        39 conhost.exe 21->39         started        41 timeout.exe 1 21->41         started        43 conhost.exe 23->43         started        45 timeout.exe 23->45         started        47 2 other processes 25->47 49 2 other processes 31->49 51 2 other processes 33->51 signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/cac0b5218693311e4bd40e0dfa76a0f080876640a4c992324c6926d70f228db2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cac0b5218693311e4bd40e0dfa76a0f080876640a4c992324c6926d70f228db2/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zlalkimgsmyr4s6ubyg7u5va6caiozsautezemsmnetnodzcrwza._file
Verdict:
unknown
Result
Malware family:
purelogstealer
Create hunting rule
Score:
  10/10
Tags:
family:purelogstealer discovery persistence stealer
Link:
https://tria.ge/reports/240729-gakjksvhjl/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
PureLog Stealer
PureLog Stealer payload
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/faaca01d-deb5-440a-a0b6-c8098a00e35c
Unpacked files
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/4c30833f-8da8-46a8-9063-9c38b454acfa/
SH256 hash:
47072a47aaaadc4910d91de082d2ec118892fc5d440a38f73f1983803098e7fe
MD5 hash:
0462fe7945c287bee3b5fa6806f7e2ad
SHA1 hash:
15c06aab34952a79e110cf7052880e668c12fd55
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4c30833f-8da8-46a8-9063-9c38b454acfa/
SH256 hash:
95ccd5d32649212d5a98d0ad40f30b9b70bdf53c88a3bb7e7dd7b221a3a35a24
MD5 hash:
a520be0724454bd2404d4b7694344410
SHA1 hash:
138c88bf0726917f3c277d92e40174f92bd58132
Link:
https://www.unpac.me/results/4c30833f-8da8-46a8-9063-9c38b454acfa/
SH256 hash:
cac0b5218693311e4bd40e0dfa76a0f080876640a4c992324c6926d70f228db2
MD5 hash:
7dd3e725b4b0e2322fa6a087dfbb5a60
SHA1 hash:
8694f846dcb951fdb2e629a9024255dcf9c34d5f
Detections:
SUSP_OBF_NET_Eazfuscator_String_Encryption_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/4c30833f-8da8-46a8-9063-9c38b454acfa/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/cac0b5218693/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/cac0b5218693311e4bd40e0dfa76a0f080876640a4c992324c6926d70f228db2

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_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 cac0b5218693311e4bd40e0dfa76a0f080876640a4c992324c6926d70f228db2

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3076578/

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


Avatar
zbet commented on 2024-07-29 05:35:41 UTC

url : hxxp://193.233.203.218/creative/shotmaintain.exe