MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81e40438564d00d8bf54950f87cae5122133b976e50f38b263f34c6e8e114288. 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 21 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81e40438564d00d8bf54950f87cae5122133b976e50f38b263f34c6e8e114288
SHA3-384 hash: de056c70991febc0665de31173f3b0f32008c042c1edda85a3afe79e16d5f6f88d50179c98766b2c2b6ed7b63d4f8bd5
SHA1 hash: 54a7cbc920950c9072c00c8a48fe3ff6eaeffc26
MD5 hash: b9922787936c8e2ed028b5bd652d7ee9
humanhash: nevada-snake-rugby-uniform
File name:b9922787936c8e2ed028b5bd652d7ee9
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:2'841'088 bytes
First seen:2023-12-10 04:13:58 UTC
Last seen:2023-12-10 06:19:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
ssdeep 49152:emzyL4NGScXJXMUVgCxY+DPWCPKvf43iA8mM4uutdyhNcG7F50lbJi:AtSc5MwCKHuUpG7F5e9i
TLSH T1B5D533C61F955BE7E958D2FE54AEBF9066BA43265D33CF0F0C00225A502F7C90FA9884
TrID 44.4% (.EXE) Win64 Executable (generic) (10523/12/4)
21.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.ICL) Windows Icons Library (generic) (2059/9)
8.5% (.EXE) OS/2 Executable (generic) (2029/13)
8.4% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter zbetcheckin
Tags:64 exe PureLogs

Intelligence

File Origin
# of uploads :
2
# of downloads :
291
Origin country :
FR FR
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/464150/
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.63.29590.7211.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
DNS request
Sending a UDP request
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
obfuscated packed packed smartassembly smart_assembly
Link:
https://www.filescan.io/uploads/65753b0a8b5ba47db2db956d/reports/b6f70aee-838f-4e94-8ec3-2feb3058b2c8/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/81e40438564d00d8bf54950f87cae5122133b976e50f38b263f34c6e8e114288
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:
Unknown
Link:
https://analyze.intezer.com/analyses/b4f3b2ea-aebc-48c6-b562-381f22b40647
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1357155
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
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: 1357155 Sample: 5kyicRtwCD.exe Startdate: 10/12/2023 Architecture: WINDOWS Score: 100 31 ip.allproxy.io 2->31 33 connv2.proxies.tv 2->33 39 Antivirus / Scanner detection for submitted sample 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 Yara detected PureLog Stealer 2->43 45 4 other signatures 2->45 7 Bwqzg.exe 5 2->7         started        10 5kyicRtwCD.exe 1 5 2->10         started        13 Bwqzg.exe 4 2->13         started        15 Bwqzg.exe 4 2->15         started        signatures3 process4 file5 47 Antivirus detection for dropped file 7->47 49 Multi AV Scanner detection for dropped file 7->49 51 Machine Learning detection for dropped file 7->51 17 Bwqzg.exe 7->17         started        29 C:\Users\user\AppData\Roaming\Bwqzg.exe, PE32+ 10->29 dropped 53 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->53 55 Modifies the context of a thread in another process (thread injection) 10->55 57 Injects a PE file into a foreign processes 10->57 19 5kyicRtwCD.exe 1 10->19         started        23 Bwqzg.exe 13->23         started        25 Bwqzg.exe 15->25         started        signatures6 process7 dnsIp8 35 connv2.proxies.tv 51.79.32.112, 49710, 49711, 49715 OVHFR Canada 19->35 37 ip.allproxy.io 172.67.159.225, 443, 49724, 49727 CLOUDFLARENETUS United States 19->37 27 C:\Users\user\AppData\...\provisionshare.url, MS 19->27 dropped file9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/81e40438564d00d8bf54950f87cae5122133b976e50f38b263f34c6e8e114288
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81e40438564d00d8bf54950f87cae5122133b976e50f38b263f34c6e8e114288/
Threat name:
ByteCode-MSIL.Trojan.Seraph
Create hunting rule
Status:
Malicious
First seen:
2023-12-07 09:25:59 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
1
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qhsaiocwjuanrp2usuhypsxfciqtholw4uhtrmtd6ngg5dqrikea._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/231210-etm3psdeg8/
Behaviour
GoLang User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Unpacked files
SH256 hash:
81e40438564d00d8bf54950f87cae5122133b976e50f38b263f34c6e8e114288
MD5 hash:
b9922787936c8e2ed028b5bd652d7ee9
SHA1 hash:
54a7cbc920950c9072c00c8a48fe3ff6eaeffc26
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/32c77763-9d06-496a-abd0-d5ac7b7bda67/
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/81e40438564d00d8bf54950f87cae5122133b976e50f38b263f34c6e8e114288

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:command_and_control
Create hunting rule
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:Golangmalware
Create hunting rule
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:golang_duffcopy_amd64
Create hunting rule
Rule name:HiveRansomware
Create hunting rule
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

PureLogsStealer

Executable exe 81e40438564d00d8bf54950f87cae5122133b976e50f38b263f34c6e8e114288

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2739137/
Cape
Cape
https://www.capesandbox.com/analysis/464150/

Comments


Avatar
zbet commented on 2023-12-10 04:13:59 UTC

url : hxxp://185.196.8.238/Zocymkpxeu.exe