MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5385dc6d3d9c0f9c36015eb2bc2274ee2aa3dd285dfa1c8abdb362a84723d8f4. 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 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5385dc6d3d9c0f9c36015eb2bc2274ee2aa3dd285dfa1c8abdb362a84723d8f4
SHA3-384 hash: c96fbc754fba037781daddf3bbf4ce4077b8be4099b34af8ddc78bcd440bd3865bf8afb4d829161bc00c8a572f5d0595
SHA1 hash: fdb795658c88ff83cd7da08800577472840d55b1
MD5 hash: a11eaab0a2de9d79390793ea19206742
humanhash: golf-three-fourteen-mirror
File name:PurchaseOrder230424.pdf.jar
Download: download sample
Signature STRRAT
Create hunting rule
File size:72'285 bytes
First seen:2023-04-24 12:35:13 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 1536:NI92d0hT5CHNNDclR3hc3cZJU17nHNKxmws2JUSJlBhFWuOyKcG:u92d2AN6R3w7yhs2JUMlB61
TLSH T17963F1BA3CD9E7AEF707753B50024417689781DCC2C5966308F895AB08A5D9E4F027DF
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:
103.47.144.14:4894

Intelligence

File Origin
# of uploads :
1
# of downloads :
132
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
strrat
Create hunting rule
ID:
1
File name:
PurchaseOrder230424.pdf.jar
Verdict:
Malicious activity
Analysis date:
2023-04-24 12:35:25 UTC
Tags:
strrat rat
Link:
https://app.any.run/tasks/dbf0160e-416f-49e8-8555-ba3cf7190251

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/384545/
Detection(s):
SecuriteInfo.com.Trojan-Spy.Java.Agent.307.29890.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan-Spy.Java.Agent.17356.23585.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan-Spy.Java.Agent.12481.26406.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan-Spy.Java.Agent.19464.18433.UNOFFICIAL
Create hunting rule

Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/644677b3869e6c03a97e5477/reports/a2ad11d8-1e74-499b-b41f-9bf0bcf95b13/overview
Verdict:
Suspicious
Labled as:
Exploit.Zip.Heuristic
Link:
https://www.hybrid-analysis.com/sample/5385dc6d3d9c0f9c36015eb2bc2274ee2aa3dd285dfa1c8abdb362a84723d8f4
Result
Threat name:
STRRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1219988
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)
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 an obfuscated file name to hide its real file extension (double extension)
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: 852931 Sample: PurchaseOrder230424.pdf.jar Startdate: 24/04/2023 Architecture: WINDOWS Score: 100 74 Snort IDS alert for network traffic 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 6 other signatures 2->80 9 cmd.exe 2 2->9         started        13 javaw.exe 2 2->13         started        15 javaw.exe 2->15         started        17 3 other processes 2->17 process3 file4 65 C:\cmdlinestart.log, ASCII 9->65 dropped 86 Uses schtasks.exe or at.exe to add and modify task schedules 9->86 19 java.exe 2 9 9->19         started        23 conhost.exe 9->23         started        signatures5 process6 file7 63 C:\Users\user\...\PurchaseOrder230424.pdf.jar, Zip 19->63 dropped 84 Creates autostart registry keys to launch java 19->84 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 ip-api.com 25->67 70 ip-api.com 208.95.112.1, 49699, 80 TUT-ASUS United States 25->70 72 2 other IPs or domains 25->72 32 cmd.exe 1 25->32         started        34 cmd.exe 1 25->34         started        36 cmd.exe 1 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        signatures11 82 May check the online IP address of the machine 67->82 process12 process13 46 WMIC.exe 1 32->46         started        49 conhost.exe 32->49         started        51 WMIC.exe 1 34->51         started        53 conhost.exe 34->53         started        55 WMIC.exe 1 36->55         started        57 conhost.exe 36->57         started        59 WMIC.exe 1 44->59         started        61 conhost.exe 44->61         started        signatures14 88 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 46->88
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5385dc6d3d9c0f9c36015eb2bc2274ee2aa3dd285dfa1c8abdb362a84723d8f4/
Threat name:
ByteCode-JAVA.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-04-24 04:05:32 UTC
File Type:
Binary (Archive)
Extracted files:
25
AV detection:
7 of 36 (19.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=koc5y3j5tqhzynqbl2zlyitu5yvkhxjilx5bzcv5wnrkqrzd3d2a._file
Result
Malware family:
strrat
Create hunting rule
Score:
  10/10
Tags:
family:strrat persistence stealer trojan
Link:
https://tria.ge/reports/230424-pswzbsdd9s/
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/5385dc6d3d9c0f9c36015eb2bc2274ee2aa3dd285dfa1c8abdb362a84723d8f4

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/384545/

Comments