MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5c415a3f7d2dfc912447dfde68e67c6b90cc0fd07011f8bd062390ad72111609. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5c415a3f7d2dfc912447dfde68e67c6b90cc0fd07011f8bd062390ad72111609
SHA3-384 hash: 7dd618d287bee1aa8edf7d61c802ea03c6a34a275c5d56c60706f50a50d7bb70fc1ac628193bb512856e9520294cc786
SHA1 hash: d1ad679cca265037497d6f9243112c87cba07e94
MD5 hash: 13b563870ec11bf24082a47c0ffa12e3
humanhash: finch-xray-oregon-indigo
File name:REQUEST FOR QUOTATION (RFQ)-124425.scr.gz.exe
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:24'064 bytes
First seen:2024-07-24 07:58:36 UTC
Last seen:2024-07-24 08:24:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 384:DbFDeB9k5zv92N0gdn+UlVdiGeRe9H9qV5wtpZ92Fksaggy4oPNBr:DheB9wzlRgd+0Vdws9H6wHOGsJR
TLSH T15BB22703B6AC3AA5D438C3FBD8F7D2900264A7C25993DE4FB49F634124523A7E95A5CC
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)
File icon (PE):PE icon
dhash icon f8baeee6ade6a690 (1 x PureLogsStealer, 1 x SnakeKeylogger)
Reporter cocaman
Tags:exe PureLogStealer RFQ

Intelligence

File Origin
# of uploads :
2
# of downloads :
396
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
REQUEST FOR QUOTATION (RFQ)-124425.scr
Verdict:
No threats detected
Analysis date:
2024-07-24 06:42:26 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c1ba7482-87cf-4983-97a3-44f680e226ee

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.11118.18986.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66a0b44a6f74caeb2f89ae73
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
Connection attempt to an infection source
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade net_reactor packed
Link:
https://www.filescan.io/uploads/66a0b44adfa8b2fced4ddba4/reports/96267ceb-ae48-492d-afab-3e764d709d66/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/5c415a3f7d2dfc912447dfde68e67c6b90cc0fd07011f8bd062390ad72111609
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/8dbbf9b9-5a60-49b6-a6af-bfd247277694
Result
Threat name:
PureLog Stealer, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1479888
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Found many strings related to Crypto-Wallets (likely being stolen)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
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: 1479888 Sample: REQUEST FOR QUOTATION (RFQ)... Startdate: 24/07/2024 Architecture: WINDOWS Score: 100 28 www.vascocorretora.com.br 2->28 30 226.177.13.0.in-addr.arpa 2->30 32 3 other IPs or domains 2->32 38 Multi AV Scanner detection for domain / URL 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 9 other signatures 2->44 8 REQUEST FOR QUOTATION (RFQ)-124425.scr.gz.exe 15 5 2->8         started        signatures3 process4 dnsIp5 34 vascocorretora.com.br 167.114.222.56, 443, 49730 OVHFR Canada 8->34 46 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->46 48 Writes to foreign memory regions 8->48 50 Injects a PE file into a foreign processes 8->50 12 MSBuild.exe 21 8->12         started        16 cmd.exe 1 8->16         started        18 cmd.exe 8->18         started        signatures6 process7 dnsIp8 36 65.108.26.131, 2024, 49737, 49738 ALABANZA-BALTUS United States 12->36 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->52 54 Tries to steal Mail credentials (via file / registry access) 12->54 56 Found many strings related to Crypto-Wallets (likely being stolen) 12->56 58 2 other signatures 12->58 20 conhost.exe 16->20         started        22 timeout.exe 1 16->22         started        24 conhost.exe 18->24         started        26 timeout.exe 1 18->26         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5c415a3f7d2dfc912447dfde68e67c6b90cc0fd07011f8bd062390ad72111609
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5c415a3f7d2dfc912447dfde68e67c6b90cc0fd07011f8bd062390ad72111609/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-07-24 05:31:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=lravup35fx6jcjch37pgrzt4noimyd6qoai7rpigeoik24qrcyeq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
discovery
Link:
https://tria.ge/reports/240724-jvd9eayekc/
Behaviour
Delays execution with timeout.exe
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Checks computer location settings
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/835203d7-c339-4846-98c7-1b1d5effe27e
Unpacked files
SH256 hash:
5c415a3f7d2dfc912447dfde68e67c6b90cc0fd07011f8bd062390ad72111609
MD5 hash:
13b563870ec11bf24082a47c0ffa12e3
SHA1 hash:
d1ad679cca265037497d6f9243112c87cba07e94
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/4b9066a9-a9d0-4d7b-b86a-1b6e524443ab/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5c415a3f7d2d/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/5c415a3f7d2dfc912447dfde68e67c6b90cc0fd07011f8bd062390ad72111609

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.

Malspam

PureLogsStealer

gz 655e29e5da8c222d74b593803889cd10c1b9ab70148849d1f713e5bc11c3f2b5

PureLogsStealer

Executable exe 5c415a3f7d2dfc912447dfde68e67c6b90cc0fd07011f8bd062390ad72111609

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 655e29e5da8c222d74b593803889cd10c1b9ab70148849d1f713e5bc11c3f2b5
  
Dropped by
MD5 fe6456b3e1b2c4b994f1344583b136ae

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