MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3. 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: 8


Intelligence 8 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3
SHA3-384 hash: 0c50d3dff1ba6af928f1b3d2f895f65ce66860f000e07c63819209221f8baacd13bf0c6de74ada3fb7e34b7ff7e14921
SHA1 hash: 7eb847e16c12dc9159e9f8a0b219926ddf9ec401
MD5 hash: 1421b13fcff1ed8b4e8ed6d0ec1ef4ec
humanhash: violet-mars-seven-saturn
File name:PO-06028.jar
Download: download sample
Signature STRRAT
Create hunting rule
File size:72'294 bytes
First seen:2023-06-28 02:00:08 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 1536:Mf9ewjOD9EgIKgngWmvpkPuH08DdgUFFVk1YSeY9UKihA4X9:CewlKdYPW0AvmYPYTihAo
TLSH T16063F15B23706C7DD8E70C34654D8137741E7C4A83A6E8CA92BB8A89AD50B8C1BC99DD
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:
79.110.49.161:1243

Intelligence

File Origin
# of uploads :
1
# of downloads :
134
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PO-06028.jar
Verdict:
Malicious activity
Analysis date:
2023-06-28 02:01:17 UTC
Tags:
evasion
Link:
https://app.any.run/tasks/42ee4157-ead6-4311-914d-35ea55666f8a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/403377/
Detection(s):
SecuriteInfo.com.Trojan-Spy.Java.Agent.25579.17756.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan-Spy.Java.Agent.28211.4123.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan-Spy.Java.Agent.28418.17614.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan-Spy.Java.Agent.4348.29776.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan-Spy.Java.Agent.11562.31023.UNOFFICIAL
Create hunting rule

Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/649b945f2aeaabaa7b773398/reports/d6e1e47a-04f7-452c-9c9e-764e498c629e/overview
Verdict:
Malicious
Labled as:
Exploit.Zip.Heuristic
Link:
https://www.hybrid-analysis.com/sample/98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3
Result
Threat name:
STRRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1262394
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)
May check the online IP address of the machine
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
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 signatures2 2 Behavior Graph ID: 895425 Sample: PO-06028.jar Startdate: 28/06/2023 Architecture: WINDOWS Score: 100 73 Snort IDS alert for network traffic 2->73 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 6 other signatures 2->79 9 cmd.exe 2 2->9         started        13 javaw.exe 2 2->13         started        15 javaw.exe 2 2->15         started        17 3 other processes 2->17 process3 file4 65 C:\cmdlinestart.log, ASCII 9->65 dropped 85 Uses schtasks.exe or at.exe to add and modify task schedules 9->85 19 java.exe 2 9 9->19         started        23 conhost.exe 9->23         started        signatures5 process6 file7 63 C:\Users\user\AppData\Roaming\PO-06028.jar, Zip 19->63 dropped 81 Creates autostart registry keys to launch java 19->81 83 Creates autostart registry keys with suspicious names 19->83 25 java.exe 4 19->25         started        28 cmd.exe 1 19->28         started        30 icacls.exe 1 19->30         started        signatures8 process9 dnsIp10 67 efcc.duckdns.org 79.110.49.161, 1243, 49710, 49712 OTAVANET-ASCZ Germany 25->67 69 127.0.0.1 unknown unknown 25->69 71 2 other IPs or domains 25->71 32 cmd.exe 25->32         started        34 cmd.exe 25->34         started        36 cmd.exe 25->36         started        44 2 other processes 25->44 38 conhost.exe 28->38         started        40 schtasks.exe 1 28->40         started        42 conhost.exe 30->42         started        process11 process12 46 WMIC.exe 32->46         started        49 conhost.exe 32->49         started        51 conhost.exe 34->51         started        53 WMIC.exe 34->53         started        55 conhost.exe 36->55         started        57 WMIC.exe 36->57         started        59 conhost.exe 44->59         started        61 WMIC.exe 44->61         started        signatures13 87 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 46->87
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3/
Threat name:
ByteCode-JAVA.Trojan.Strrat
Create hunting rule
Status:
Malicious
First seen:
2023-06-28 01:45:13 UTC
AV detection:
7 of 37 (18.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tbizueczrnubnno7qkicrkvsztiz3wxenr27ewzfy65pxz7lrtrq._file
Result
Malware family:
strrat
Create hunting rule
Score:
  10/10
Tags:
family:strrat persistence stealer trojan
Link:
https://tria.ge/reports/230628-cfjr1sha6z/
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
STRRAT
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/98519a10598b6816b5df829028aab2ccd19ddae46c75f25b25c7bafbe7eb8ce3

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/403377/

Comments