MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b. 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


Threat unknown


Vendor detections: 15


Intelligence 15 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b
SHA3-384 hash: e51c77430b7215572d7aa8af8c2e4930f7738c797f132eb2c67f520c9f2b6db1936e772ce21e33218ae71ddedc17c668
SHA1 hash: ea008405ea9fe482676789bc584a5bc03dac5b92
MD5 hash: a83b2a5ff3529936192398c88edd27a3
humanhash: wolfram-harry-foxtrot-triple
File name:a83b2a5ff3529936192398c88edd27a3.exe
Download: download sample
File size:121'344 bytes
First seen:2024-10-01 05:18:14 UTC
Last seen:2024-10-01 12:22:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 3072:QJ4zfapVGYIC2MIEGuLuNP4FJed7eHnXm6qIXLE:8EypVnIC2oGuqNP1d7eHnXm6qIX
TLSH T1D2C3B48C766072DFC86BC876DAA82C64EA61747B431BD203A45312AD9E4D9DBCF141F3
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)
Magika pebin
Reporter abuse_ch
Tags:exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
341
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a83b2a5ff3529936192398c88edd27a3.exe
Verdict:
Malicious activity
Analysis date:
2024-10-01 05:24:58 UTC
Tags:
evasion loader confuser
Link:
https://app.any.run/tasks/d2999969-faa7-4ff8-b4c0-f8fa824a73e9

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Win.Packed.ConfuserEx-6582917-0
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66fb864758399e4484e7a5e8
Tags:
Autorun Stealer Packed Msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Enabling the 'hidden' option for files in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a file
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
confuser confuserex net packed packed
Link:
https://www.filescan.io/uploads/66fb8646718049dcaee501a3/reports/48b5f581-aa7d-43de-ae6d-73769a58be0d/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b
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:
Bsymem
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dac0f2c1-527d-4eca-a6be-6e7467a84d88
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1523134
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1523134 Sample: 2zYP8qOYmJ.exe Startdate: 01/10/2024 Architecture: WINDOWS Score: 88 37 yalubluseks.eu 2->37 39 api.ipify.org 2->39 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Sigma detected: New RUN Key Pointing to Suspicious Folder 2->55 57 2 other signatures 2->57 8 2zYP8qOYmJ.exe 1 6 2->8         started        11 LKMService.exe 2->11         started        13 LKMService.exe 2->13         started        signatures3 process4 file5 31 C:\Users\user\AppData\...\LKMService.exe, PE32 8->31 dropped 33 C:\Users\...\LKMService.exe:Zone.Identifier, ASCII 8->33 dropped 35 C:\Users\user\AppData\...\2zYP8qOYmJ.exe.log, CSV 8->35 dropped 15 LKMService.exe 15 219 8->15         started        20 WerFault.exe 11->20         started        22 WerFault.exe 13->22         started        process6 dnsIp7 41 api.ipify.org 104.26.12.205, 49731, 49753, 49755 CLOUDFLARENETUS United States 15->41 43 yalubluseks.eu 172.67.140.92, 443, 49730, 49732 CLOUDFLARENETUS United States 15->43 27 C:\Users\user\AppData\...behaviorgraphoogleUpdater.exe, PE32 15->27 dropped 29 C:\...behaviorgraphoogleUpdater.exe:Zone.Identifier, ASCII 15->29 dropped 45 Antivirus detection for dropped file 15->45 47 Multi AV Scanner detection for dropped file 15->47 49 Machine Learning detection for dropped file 15->49 24 GoogleUpdater.exe 15->24         started        file8 signatures9 process10 signatures11 59 Antivirus detection for dropped file 24->59 61 Multi AV Scanner detection for dropped file 24->61 63 Machine Learning detection for dropped file 24->63
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b/
Threat name:
ByteCode-MSIL.Trojan.PrivateLoader
Create hunting rule
Status:
Malicious
First seen:
2024-10-01 02:04:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u2mdtwsfdkf7aqsznbzqttvyewysmamg2nj7wjkvmexnabsyfznq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/241001-fzt9mswgjf/
Behaviour
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
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
Verdict:
Malicious
Tags:
red_team_tool
YARA:
SUSP_NET_NAME_ConfuserEx
Link:
https://app.threat.zone/submission/2feb73f2-44d1-43dc-af17-7a91fad6f596
Unpacked files
SH256 hash:
eb6eb47ddca657b9c30e24f45dcef8ada8a387a66e4630da83fde22d837f493d
MD5 hash:
8bb763ae034a304765b22a52b1a7032d
SHA1 hash:
79f071a5695480f787044d42a7289557648183ab
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_NET_NAME_ConfuserEx
Create hunting rule
Link:
https://www.unpac.me/results/4a17fd3f-fb2c-4983-85e9-a3f1b834c22b/
SH256 hash:
a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b
MD5 hash:
a83b2a5ff3529936192398c88edd27a3
SHA1 hash:
ea008405ea9fe482676789bc584a5bc03dac5b92
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_NET_NAME_ConfuserEx
Create hunting rule
Link:
https://www.unpac.me/results/4a17fd3f-fb2c-4983-85e9-a3f1b834c22b/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a69839da451a/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/a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b

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_ConfuserEx
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with ConfuserEx Mod
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

Executable exe a69839da451a8bf04259687309ceb825b1260186d353fb2555612ed006582e5b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3203143/
  
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