MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb
SHA3-384 hash: d0ef00160addaab7cd8bde39cbebc9222d3266648376a2bc708eb74d3141a8910b8707784834538db186f96a0c8f7a21
SHA1 hash: 02623723f9a9af013df424336d45ada46abe9472
MD5 hash: 8f32b6ad5a4b0bf593c5e8cfe8afd04b
humanhash: charlie-dakota-mississippi-london
File name:Teklif-Formu.jar
Download: download sample
Signature STRRAT
Create hunting rule
File size:65'615 bytes
First seen:2024-05-09 12:10:15 UTC
Last seen:2024-05-10 09:34:29 UTC
File type:Java file jar
MIME type:application/zip
ssdeep 1536:sFVl2U0Gg0HxEjXu28Gut9+gnzqYgMYw0Sr8awyvI0cNFl:sFv2U0GXUu28P7HZY84awyv3cNFl
TLSH T16F53E134BF85C478C91B4071B14852A3E5DC70BCA21E2D6A0ED8C5FDC43EDD8AB096E9
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 STRRAT


Avatar
abuse_ch
STRRAT C2:
45.95.169.162:4781

Intelligence

File Origin
# of uploads :
2
# of downloads :
316
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
strrat
Create hunting rule
ID:
1
File name:
0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb.jar
Verdict:
Malicious activity
Analysis date:
2024-05-09 12:11:08 UTC
Tags:
strrat evasion rat remote
Link:
https://app.any.run/tasks/455714c2-b019-44da-b391-d698ad1609c4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
PUA.Java.Packer.Allatori-1
Create hunting rule

Sanesecurity.Malware.27013.JsHeur.Obfs.UNOFFICIAL
Create hunting rule

TwinWave.EvilJAR.e_STRRAT_Shuffle.20240412.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
banload spyagent
Link:
https://www.filescan.io/uploads/663cbd591c9796b80ab7a2a1/reports/013812ab-b708-41b7-b8ab-7347670ee8e3/overview
Verdict:
Suspicious
Labled as:
Exploit.Zip.Heuristic
Link:
https://www.hybrid-analysis.com/sample/0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb
Result
Threat name:
STRRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1438924
Signature
Antivirus detection for URL or domain
Creates autostart registry keys to launch java
Creates autostart registry keys with suspicious names
Exploit detected, runtime environment starts unknown processes
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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: 1438924 Sample: Teklif-Formu.jar Startdate: 09/05/2024 Architecture: WINDOWS Score: 100 70 zekeriyasolek45.duckdns.org 2->70 72 elastsolek21.duckdns.org 2->72 74 2 other IPs or domains 2->74 82 Snort IDS alert for network traffic 2->82 84 Multi AV Scanner detection for domain / URL 2->84 86 Found malware configuration 2->86 90 6 other signatures 2->90 10 cmd.exe 2 2->10         started        14 javaw.exe 2 2->14         started        16 javaw.exe 2 2->16         started        18 3 other processes 2->18 signatures3 88 Uses dynamic DNS services 72->88 process4 file5 68 C:\cmdlinestart.log, ASCII 10->68 dropped 96 Uses schtasks.exe or at.exe to add and modify task schedules 10->96 20 java.exe 2 13 10->20         started        24 conhost.exe 10->24         started        signatures6 process7 file8 64 C:\Users\user\AppData\...\Teklif-Formu.jar, Zip 20->64 dropped 66 C:\Users\user\AppData\...\Teklif-Formu.jar, Zip 20->66 dropped 92 Creates autostart registry keys to launch java 20->92 94 Creates autostart registry keys with suspicious names 20->94 26 java.exe 17 20->26         started        29 cmd.exe 1 20->29         started        31 icacls.exe 1 20->31         started        signatures9 process10 dnsIp11 76 zekeriyasolek45.duckdns.org 45.95.169.162, 4781, 49737 GIGANET-HUGigaNetInternetServiceProviderCoHU Croatia (LOCAL Name: Hrvatska) 26->76 78 elastsolek21.duckdns.org 107.172.148.197, 4781 AS-COLOCROSSINGUS United States 26->78 80 2 other IPs or domains 26->80 33 cmd.exe 1 26->33         started        35 cmd.exe 26->35         started        37 cmd.exe 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 conhost.exe 35->52         started        54 WMIC.exe 35->54         started        56 conhost.exe 37->56         started        58 WMIC.exe 37->58         started        60 conhost.exe 45->60         started        62 WMIC.exe 45->62         started        signatures14 98 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 47->98
Score:
1%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=b6y5cfzsvtkrnxr5uv4kzdl2jihvc2cplcejrpageh7fijgo6dvq._file
Result
Malware family:
strrat
Create hunting rule
Score:
  10/10
Tags:
family:remcos family:strrat botnet:may day discovery evasion persistence rat stealer trojan
Link:
https://tria.ge/reports/240509-pclhnagh3w/
Behaviour
Creates scheduled task(s)
Modifies Internet Explorer settings
Modifies registry key
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Adds policy Run key to start application
Remcos
STRRAT
UAC bypass
Malware Config
C2 Extraction:
elastsolek21.duckdns.org:4781
zekeriyasolek45.duckdns.org:4781
zekeriyasolek45.duckdns.org:3321
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/0fb1d11732ac/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
STRRAT
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0fb1d11732acd516de3da578ac8d7a4a0f51684f588898bc0621fe5424cef0eb

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:JAR_STRRAT_April_2024
Create hunting rule
Author:NDA0E
Description:Detects STRRAT Java Archive
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