MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c. 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: 11


Intelligence 11 IOCs 2 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c
SHA3-384 hash: 7c3a7215009d0759e89f601692ed1b33a0a226fb4d65e60d4814cea1e4d3e55655b03316e6c4b149183e96fdda5f0b69
SHA1 hash: 66c0dd7372365df8546b63d98f8c2c4eb0759429
MD5 hash: ddaffd1e47777bd6ee6f1d89f80dbddb
humanhash: jig-muppet-massachusetts-aspen
File name:OFFER-INQUIRY.jar
Download: download sample
Signature STRRAT
Create hunting rule
File size:86'291 bytes
First seen:2024-08-29 19:34:47 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 1536:dVu6KIkej8xhZfQk7A0eSaNa650oIDZaQx2fCRMiMUTBEbY4dTe46gX+LFSnUhru:j2r1fH7A0dT6HFfCi
TLSH T139832A407B84D47AD3A770730A589616A970F8EFA65D61870EF0ECDDDCABB440F12A85
TrID 77.1% (.JAR) Java Archive (13500/1/2)
22.8% (.ZIP) ZIP compressed archive (4000/1)
Magika jar
Reporter TeamDreier
Tags:jar STRRAT

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
37.120.199.54:4787 https://threatfox.abuse.ch/ioc/1289243/
37.120.199.54:4878 https://threatfox.abuse.ch/ioc/1317342/

Intelligence

File Origin
# of uploads :
1
# of downloads :
374
Origin country :
DK DK
Vendor Threat Intelligence
Malware family:
strrat
Create hunting rule
ID:
1
File name:
28082024_1541_28082024_OFFER-INQUIRY.jar
Verdict:
Malicious activity
Analysis date:
2024-08-29 06:24:29 UTC
Tags:
evasion strrat rat remote
Link:
https://app.any.run/tasks/6319c527-41ff-42fe-8789-164db8693390

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:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d0cd85f1a57bfb70915954
Tags:
Stealth Java
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/66d0cd76eb26ed7f73c5b581/reports/7007a966-6d8b-437c-a9fc-2401a8e97466/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c
Result
Threat name:
STRRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1501405
Signature
AI detected suspicious sample
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 submitted file
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Suspicious Startup Folder Persistence
Suricata IDS alerts 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: 1501405 Sample: OFFER-INQUIRY.jar Startdate: 29/08/2024 Architecture: WINDOWS Score: 100 72 elastsolek1.duckdns.org 2->72 74 ip-api.com 2->74 80 Suricata IDS alerts for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 88 7 other signatures 2->88 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 86 Uses dynamic DNS services 72->86 process4 file5 70 C:\cmdlinestart.log, ASCII 10->70 dropped 94 Uses schtasks.exe or at.exe to add and modify task schedules 10->94 20 java.exe 2 13 10->20         started        24 conhost.exe 10->24         started        signatures6 process7 file8 64 C:\Users\user\AppData\...\OFFER-INQUIRY.jar, Zip 20->64 dropped 66 C:\Users\user\AppData\...\OFFER-INQUIRY.jar, Zip 20->66 dropped 68 C:\ProgramData\...\OFFER-INQUIRY.jar, Zip 20->68 dropped 90 Creates autostart registry keys to launch java 20->90 92 Creates autostart registry keys with suspicious names 20->92 26 java.exe 4 20->26         started        29 cmd.exe 1 20->29         started        31 icacls.exe 1 20->31         started        signatures9 process10 dnsIp11 76 elastsolek1.duckdns.org 37.120.199.54, 4787, 49707, 49715 M247GB Romania 26->76 78 ip-api.com 208.95.112.1, 49708, 80 TUT-ASUS United States 26->78 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 96 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 47->96
Score:
0%
Verdict:
Benign
File Type:
ARCHIVE
Link:
https://malprob.io/report/4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c/
Threat name:
ByteCode-JAVA.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2024-08-28 12:26:55 UTC
File Type:
Binary (Archive)
Extracted files:
149
AV detection:
12 of 38 (31.58%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iacsc3o7tyesxxo2rj4pbov6sr2gmmxpnjshspq7uduu6fjyusoa._file
Result
Malware family:
strrat
Create hunting rule
Score:
  10/10
Tags:
family:strrat persistence stealer trojan
Link:
https://tria.ge/reports/240829-yan1faxerd/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Adds Run key to start application
Drops startup file
STRRAT
Malware Config
C2 Extraction:
elastsolek1.duckdns.org:4787
zekeriyasolek45.duckdns.org:4787
Malware family:
STRRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4005216ddf9e/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/4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c

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 config filename
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.

Malspam

STRRAT

Java file jar 4005216ddf9e092bddda8a78f0babe94746632ef6a64793e1fa0e94f1538a49c

(this sample)

  
Delivery method
Distributed via e-mail attachment

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