MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da838a676a0f1bf7fb3f51e65758307c162f2e89cc1bdce4bc90749104d61ce4. 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: da838a676a0f1bf7fb3f51e65758307c162f2e89cc1bdce4bc90749104d61ce4
SHA3-384 hash: 091ac3a1df44f97bb57c552f2d980c69d1d5f9c3c44605d5706d445198ce8d44a78fc15c071367d75e73b3f9e6c28bcd
SHA1 hash: 455cacbf27c7f215016ca5c7766084a02a18b111
MD5 hash: a3694503fbc41f0c73080901189b466f
humanhash: eleven-december-kilo-twenty
File name:a3694503fbc41f0c73080901189b466f.exe
Download: download sample
Signature PureLogsStealer
Create hunting rule
File size:3'929'600 bytes
First seen:2024-08-21 07:01:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 98304:LoHRi0Gi6//Pt8S7OsWnmhuFW8BLsOJxuMtxMGr00BG:Laop1b73huFWqJwMPxr3E
Threatray 1'331 similar samples on MalwareBazaar
TLSH T1F606331C27C8DA33E01F9F381AEDD0104EB68397E632EB9D6EC88AE51553B1467581E6
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 abuse_ch
Tags:exe PureLogStealer

Intelligence

File Origin
# of uploads :
1
# of downloads :
360
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
c10cc05f3b3d59c92b1ae9cd99246cb8.exe
Verdict:
Malicious activity
Analysis date:
2024-08-19 08:41:10 UTC
Tags:
loader smokeloader uac stealer purecrypter purelogs netreactor exfiltration
Link:
https://app.any.run/tasks/3b4e642d-57cf-4537-8723-48896a6799cd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.15641.1806.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66c590ede7ff3f5a063bad89
Tags:
Execution Network Stealth Malware
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66c590ec150fbf4bd60663e8/reports/66d70f2f-05a0-4110-92b5-001e95f31a84/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/da838a676a0f1bf7fb3f51e65758307c162f2e89cc1bdce4bc90749104d61ce4
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/910d7411-b74e-485b-9daf-8c346d415ba0
Result
Threat name:
PureLog Stealer, TrojanRansom, zgRAT
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1496388
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Disable Windows Defender real time protection (registry)
Disables Windows Defender (deletes autostart)
Drops PE files to the startup folder
Loading BitLocker PowerShell Module
Machine Learning detection for sample
May drop file containing decryption instructions (likely related to ransomware)
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Disable Important Scheduled Task
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected PureLog Stealer
Yara detected TrojanRansom
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1496388 Sample: QNoyaWCOEK.exe Startdate: 21/08/2024 Architecture: WINDOWS Score: 100 56 Multi AV Scanner detection for dropped file 2->56 58 Multi AV Scanner detection for submitted file 2->58 60 Yara detected PureLog Stealer 2->60 62 10 other signatures 2->62 8 QNoyaWCOEK.exe 2 2->8         started        11 svchost.exe 2->11         started        process3 dnsIp4 68 Drops PE files to the startup folder 8->68 70 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 8->70 72 Modifies Windows Defender protection settings 8->72 74 Writes many files with high entropy 8->74 14 QNoyaWCOEK.exe 4 1001 8->14         started        54 127.0.0.1 unknown unknown 11->54 signatures5 process6 file7 46 C:\Users\user\...\Vfi4obTc2BUHxoEB.exe, PE32 14->46 dropped 48 C:\Users\...\settingsconversions.txt.vector, COM 14->48 dropped 50 C:\Users\user\...\appsconversions.txt.vector, COM 14->50 dropped 52 162 other files (160 malicious) 14->52 dropped 82 May drop file containing decryption instructions (likely related to ransomware) 14->82 84 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->84 86 Modifies Windows Defender protection settings 14->86 18 cmd.exe 14->18         started        21 cmd.exe 14->21         started        23 cmd.exe 1 14->23         started        25 33 other processes 14->25 signatures8 process9 signatures10 64 Uses cmd line tools excessively to alter registry or file data 18->64 27 reg.exe 18->27         started        30 conhost.exe 18->30         started        32 reg.exe 21->32         started        40 2 other processes 21->40 66 Uses schtasks.exe or at.exe to add and modify task schedules 23->66 42 2 other processes 23->42 34 reg.exe 25->34         started        36 reg.exe 25->36         started        38 reg.exe 25->38         started        44 63 other processes 25->44 process11 signatures12 76 Disables Windows Defender (deletes autostart) 27->76 78 Disable Windows Defender real time protection (registry) 27->78 80 Loading BitLocker PowerShell Module 44->80
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/da838a676a0f1bf7fb3f51e65758307c162f2e89cc1bdce4bc90749104d61ce4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/da838a676a0f1bf7fb3f51e65758307c162f2e89cc1bdce4bc90749104d61ce4/
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Create hunting rule
Status:
Malicious
First seen:
2024-08-19 05:51:19 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3kbyuz3kb4n7p6z7khtfowbqpqlc6lujzqn5zzf4sb2jcbgwdtsa._file
Verdict:
malicious
Similar samples:
007f77e684f4a7e6e64a0a42dc4001b58295a376822f6da576af60c600503935
PureLogsStealer
29a6ac337e0b4476eca64b4566d38dfb2a6cdcb4e98667aefbccef6bf103334e
PureLogsStealer
4b27fd5c70588d922a25f658f35d5c5d3e0085ba88d9bb9b25746c52b2b58e59
PureLogsStealer
4fe2c3ce085537c3e50dfab194e50e21eefd26bf8859175035191f4448924f0e
PureLogsStealer
6a7ed8cfc785a7769552ee84bcb86a1d133a9e4ff005ae9635f3c2a93d06c74e
PureLogsStealer
+ 1'321 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
credential_access defense_evasion discovery evasion execution ransomware spyware stealer trojan
Link:
https://tria.ge/reports/240821-htsvqsyfmm/
Behaviour
Enumerates system info in registry
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Volume Shadow Copy service COM API
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in Windows directory
Sets desktop wallpaper using registry
Suspicious use of SetThreadContext
Looks up external IP address via web service
Modifies Security services
.NET Reactor proctector
Checks computer location settings
Credentials from Password Stores: Windows Credential Manager
Drops startup file
Reads user/profile data of web browsers
Command and Scripting Interpreter: PowerShell
Modifies Windows Defender Real-time Protection settings
Modifies security service
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/dbc4b64b-02ab-407a-94a3-c1117c93971d
Unpacked files
SH256 hash:
d141fb15fdbb7771026b28f9d87a439eefcfb0540f3372e6f1d07a7adeae7a21
MD5 hash:
d936bba4ab02779bb78ffbd7c2ecf42a
SHA1 hash:
e05b9292dba177227013e6898967c5a26b921358
Link:
https://www.unpac.me/results/5e8a25b3-a7f6-4c79-904f-4c2de09b17ba/
SH256 hash:
19efdf03cb94895935225795f68bb9abfded1869687367013b8b4eee3cc99372
MD5 hash:
4e29f75c0c51b9dec76955f0382d9541
SHA1 hash:
4899aa8e3f57339cbaec8faab777897a76fe1c3a
Link:
https://www.unpac.me/results/5e8a25b3-a7f6-4c79-904f-4c2de09b17ba/
SH256 hash:
78f73e1734daa918b253517c75971fbb8df773a3d77d02a752e9a0ad1711a677
MD5 hash:
f9d2985aa1c41cca281321fffb5ed424
SHA1 hash:
3a7a58d2dcae2762882357ae34d372744b1dbb9d
Link:
https://www.unpac.me/results/5e8a25b3-a7f6-4c79-904f-4c2de09b17ba/
SH256 hash:
3c195426e6bf4b8ab6ce5052fe40f202a3d2ff6403e3c4363b476bccdc1edd22
MD5 hash:
cc4b337bf392e44951fe6e6c45b44b6a
SHA1 hash:
1b3be56af479051b49d039ff03af728705082fcf
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/5e8a25b3-a7f6-4c79-904f-4c2de09b17ba/
Parent samples :
6a7ed8cfc785a7769552ee84bcb86a1d133a9e4ff005ae9635f3c2a93d06c74e
da838a676a0f1bf7fb3f51e65758307c162f2e89cc1bdce4bc90749104d61ce4
SH256 hash:
68460a9397f474b69e0400fc90c0f0cfec1ff82389d5394a2d80083dff591cf5
MD5 hash:
cd1c8622960671a4e5ccd7e2f9980a1e
SHA1 hash:
6ad9f914661e08a8fd19e8b005ec16242e52f0c4
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/5e8a25b3-a7f6-4c79-904f-4c2de09b17ba/
SH256 hash:
da838a676a0f1bf7fb3f51e65758307c162f2e89cc1bdce4bc90749104d61ce4
MD5 hash:
a3694503fbc41f0c73080901189b466f
SHA1 hash:
455cacbf27c7f215016ca5c7766084a02a18b111
Link:
https://www.unpac.me/results/5e8a25b3-a7f6-4c79-904f-4c2de09b17ba/
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/da838a676a0f1bf7fb3f51e65758307c162f2e89cc1bdce4bc90749104d61ce4

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.

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
commented on 2024-09-11 08:27:36 UTC

Deployed Ransomware : Kadavro v3.0