MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ecee4c88a8b20cc9c9f2a98ad6ba67f917a1bb9577d5cdf3f950b5eb47807c2. 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


STRRAT


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8ecee4c88a8b20cc9c9f2a98ad6ba67f917a1bb9577d5cdf3f950b5eb47807c2
SHA3-384 hash: d1502dd6cebc49a1af49c4141a09d2ee8ac9f7f776c0eda5b52f74b15fbd0f4254df1cc414836cd1a65180c9e2954857
SHA1 hash: 68c68ec9b4c15f27fd2b0ee0fa0199a126a410cd
MD5 hash: f446459e4d64f4d58987cb5cdb1c150e
humanhash: maine-pennsylvania-timing-winner
File name:f446459e4d64f4d58987cb5cdb1c150e.jar
Download: download sample
Signature STRRAT
Create hunting rule
File size:65'700 bytes
First seen:2024-04-23 09:38:48 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 1536:YobZK2CD2XJ1JvRVuHlKbfGLKA1+lqSw3yGxVnjmIQMXtne:7M2blvRIHl1TxD1nag9ne
TLSH T15253E16CFDECD036D21B40F28418623AF4B4E85E51CEB29A09986997C971DDAFB0774C
TrID 72.9% (.JAR) Java Archive (13500/1/2)
21.6% (.ZIP) ZIP compressed archive (4000/1)
5.4% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter abuse_ch
Tags:jar RAT STRRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
334
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Email_zip_file_2.zip
Verdict:
Suspicious activity
Analysis date:
2024-04-23 06:05:05 UTC
Tags:
spam
Link:
https://app.any.run/tasks/a31d1fd2-204e-46cc-b6e4-71731e753260

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
banload spyagent
Link:
https://www.filescan.io/uploads/662781b65a92da3281409dac/reports/7f5fc573-b6f5-4cff-8ad4-3913013e2e2e/overview
Verdict:
Suspicious
Labled as:
Exploit.Zip.Heuristic
Link:
https://www.hybrid-analysis.com/sample/8ecee4c88a8b20cc9c9f2a98ad6ba67f917a1bb9577d5cdf3f950b5eb47807c2
Result
Threat name:
STRRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1430247
Signature
Antivirus detection for URL or domain
Creates autostart registry keys to launch java
Exploit detected, runtime environment starts unknown processes
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Suspicious Startup Folder Persistence
Snort IDS alert for network traffic
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AllatoriJARObfuscator
Yara detected STRRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1430247 Sample: cb9YYjPyUR.jar Startdate: 23/04/2024 Architecture: WINDOWS Score: 100 70 elastsolek21.duckdns.org 2->70 72 ip-api.com 2->72 78 Snort IDS alert for network traffic 2->78 80 Multi AV Scanner detection for domain / URL 2->80 82 Found malware configuration 2->82 86 7 other signatures 2->86 10 cmd.exe 2 2->10         started        14 javaw.exe 2 2->14         started        16 javaw.exe 2->16         started        18 3 other processes 2->18 signatures3 84 Uses dynamic DNS services 70->84 process4 file5 68 C:\cmdlinestart.log, ASCII 10->68 dropped 90 Uses schtasks.exe or at.exe to add and modify task schedules 10->90 20 java.exe 1 13 10->20         started        24 conhost.exe 10->24         started        signatures6 process7 file8 64 C:\Users\user\AppData\...\cb9YYjPyUR.jar, Zip 20->64 dropped 66 C:\Users\user\AppData\...\cb9YYjPyUR.jar, Zip 20->66 dropped 88 Creates autostart registry keys to launch java 20->88 26 java.exe 4 20->26         started        29 cmd.exe 1 20->29         started        31 icacls.exe 1 20->31         started        signatures9 process10 dnsIp11 74 elastsolek21.duckdns.org 107.172.148.197, 4781, 49704 AS-COLOCROSSINGUS United States 26->74 76 ip-api.com 208.95.112.1, 49705, 80 TUT-ASUS United States 26->76 33 cmd.exe 1 26->33         started        35 cmd.exe 1 26->35         started        37 cmd.exe 1 26->37         started        45 2 other processes 26->45 39 conhost.exe 29->39         started        41 schtasks.exe 1 29->41         started        43 conhost.exe 31->43         started        process12 process13 47 WMIC.exe 1 33->47         started        50 conhost.exe 33->50         started        52 WMIC.exe 1 35->52         started        54 conhost.exe 35->54         started        56 WMIC.exe 1 37->56         started        58 conhost.exe 37->58         started        60 WMIC.exe 1 45->60         started        62 conhost.exe 45->62         started        signatures14 92 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 47->92
Score:
1%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/8ecee4c88a8b20cc9c9f2a98ad6ba67f917a1bb9577d5cdf3f950b5eb47807c2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8ecee4c88a8b20cc9c9f2a98ad6ba67f917a1bb9577d5cdf3f950b5eb47807c2/
Threat name:
ByteCode-JAVA.Trojan.StrRat
Create hunting rule
Status:
Malicious
First seen:
2024-04-23 02:01:47 UTC
File Type:
Binary (Archive)
Extracted files:
28
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r3hojsekrmqmzhe7fkmk225gp6ixug5zk56vzxz7sufv5ndya7ba._file
Result
Malware family:
strrat
Create hunting rule
Score:
  10/10
Tags:
family:strrat discovery persistence stealer trojan
Link:
https://tria.ge/reports/240423-lml1dsfb9v/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
Modifies file permissions
STRRAT
Malware Config
C2 Extraction:
elastsolek21.duckdns.org:4781
zekeriyasolek45.duckdns.org:4781
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8ecee4c88a8b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8ecee4c88a8b20cc9c9f2a98ad6ba67f917a1bb9577d5cdf3f950b5eb47807c2

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:strrat_jar_v1
Create hunting rule
Author:RandomMalware

File information

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

Comments