MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43261f85db3ab88ed6e6b00b4227c5e8e90ddbcabb491109196a0643aeb3d313. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43261f85db3ab88ed6e6b00b4227c5e8e90ddbcabb491109196a0643aeb3d313
SHA3-384 hash: b7d51ec86a88b836ab8b5b9580ed046553c9a59a1972751aecaffc2135334e4ca3007648f057d85dbb1b2bee69f557ff
SHA1 hash: dd780f62e9539c39244526e26e518663b53fb20e
MD5 hash: af4a6267ce7f24818feeb7d2d62e72c2
humanhash: cola-seventeen-carbon-venus
File name:file
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:7'168 bytes
First seen:2024-06-17 14:15:10 UTC
Last seen:2024-06-17 15:33:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'743 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 96:UbeKbfVuzznTurnqqXz18S355vr0xvBRl4gLab/N6aigzQ7MzNt:UHwznTurnqqXx8A5ofto/caigzk2
Threatray 1'942 similar samples on MalwareBazaar
TLSH T195E18510A3F94737DA670B7F9DB3964102B8FB118423CF6E2DC4920FAE11B955622B76
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)
Reporter Bitsight
Tags:exe PureLogStealer


Avatar
Bitsight
url: https://vk.com/doc196435730_675352781?hash=ek1zgl8r1oChO9Lf5erm5j2bThIrgIAlf62ubze0Wqw&dl=BFSUwddOYZdMVq4duvTzeWdz21JNLc2GRtdwH9RHooP&api=1&no_preview=1#75

Intelligence

File Origin
# of uploads :
2
# of downloads :
331
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
43261f85db3ab88ed6e6b00b4227c5e8e90ddbcabb491109196a0643aeb3d313.exe
Verdict:
Malicious activity
Analysis date:
2024-06-17 14:18:33 UTC
Tags:
purecrypter
Link:
https://app.any.run/tasks/24809acc-bed2-4e89-88b5-2b7a16044427

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RansomX-gen.1102.13718.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
81.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6670462c89a0563951fa4a2dwin7simulatehigh_evasion
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file
Forced system process termination
Deleting a recently created file
Creating a process from a recently created file
Enabling autorun by creating a file
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
obfuscated packed packed smartassembly smart_assembly
Link:
https://www.filescan.io/uploads/6670452726c925aa13a67b52/reports/4fa3a630-63ec-4d60-ab79-85c7ff5a89c3/overview
Verdict:
Malicious
Labled as:
Barys.Generic
Link:
https://www.hybrid-analysis.com/sample/43261f85db3ab88ed6e6b00b4227c5e8e90ddbcabb491109196a0643aeb3d313
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b7d9fa85-d2f1-4ca9-9e26-5d595a3e3ff9
Result
Threat name:
PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1458397
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
AI detected suspicious sample
Bypasses PowerShell execution policy
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected PureLog Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1458397 Sample: file.exe Startdate: 17/06/2024 Architecture: WINDOWS Score: 100 35 f.r14n788iocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2i.farm 2->35 37 1.r14n788iocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2i.farm 2->37 43 Snort IDS alert for network traffic 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Multi AV Scanner detection for submitted file 2->47 49 11 other signatures 2->49 7 TypeId.exe 14 5 2->7         started        10 file.exe 14 9 2->10         started        14 powershell.exe 23 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 53 Multi AV Scanner detection for dropped file 7->53 55 Machine Learning detection for dropped file 7->55 57 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 7->57 63 2 other signatures 7->63 18 InstallUtil.exe 15 5 7->18         started        41 f.r14n788iocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2i.farm 188.114.96.3, 443, 49731, 49732 CLOUDFLARENETUS European Union 10->41 29 C:\Users\user\AppData\Local\...\TypeId.exe, PE32 10->29 dropped 31 C:\Users\user\...\TypeId.exe:Zone.Identifier, ASCII 10->31 dropped 33 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->33 dropped 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->59 61 Loading BitLocker PowerShell Module 14->61 23 conhost.exe 14->23         started        25 conhost.exe 16->25         started        file6 signatures7 process8 dnsIp9 39 1.r14n788iocyo5epmpy6klmejchjtzddoekjlnt6mu3qh4de2i.farm 77.221.140.76, 49735, 58001, 65276 INFOBOX-ASInfoboxruAutonomousSystemRU Russian Federation 18->39 27 C:\Users\user\AppData\Local\...\txxbiwtbs.exe, PE32 18->27 dropped 51 Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines) 18->51 file10 signatures11
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/43261f85db3ab88ed6e6b00b4227c5e8e90ddbcabb491109196a0643aeb3d313
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43261f85db3ab88ed6e6b00b4227c5e8e90ddbcabb491109196a0643aeb3d313/
Threat name:
Win32.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2024-06-17 14:16:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
5 of 38 (13.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=imtb7bo3hk4i5vxgwafuej6f5duq3w6kxnercciznidehlvt2mjq._file
Verdict:
malicious
Similar samples:
0e37b1329d6b6544ef24d204f4146f1445b5cdc33c46447de8e6c2c525f1fd6a
PureLogsStealer
2a497d868db198a4c655016c3d9c1dacdd810e2aef8d8f15bf2051e15945e09d
PureLogsStealer
31379f69c7607eb6dbbd2971652840fe8264f1a1dc00f08a564908efead38689
PureLogsStealer
4c0767a749b37a438dd94ec8a39bf47b3337af7204becca7292469a4dc37fa7f
PureLogsStealer
70c0d722f4eb2c9cd96a58ef04285323a897c7c28896654d4b1753e240079ad0
PureLogsStealer
+ 1'932 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
execution
Link:
https://tria.ge/reports/240617-rk413syajr/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Downloads MZ/PE file
Unpacked files
SH256 hash:
43261f85db3ab88ed6e6b00b4227c5e8e90ddbcabb491109196a0643aeb3d313
MD5 hash:
af4a6267ce7f24818feeb7d2d62e72c2
SHA1 hash:
dd780f62e9539c39244526e26e518663b53fb20e
Detections:
PureCrypter_Stage1
Create hunting rule
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/1f434d3a-6bfa-4aa1-8799-1cf8924e44cb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
StrelaStealer
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/43261f85db3ab88ed6e6b00b4227c5e8e90ddbcabb491109196a0643aeb3d313

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:NET
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 43261f85db3ab88ed6e6b00b4227c5e8e90ddbcabb491109196a0643aeb3d313

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download

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