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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84f349cada9aa2514c626e20d6717e9dba1f404037e9e085ec8fdfc6f6b4afa8. 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: 6


Intelligence 6 IOCs 1 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 84f349cada9aa2514c626e20d6717e9dba1f404037e9e085ec8fdfc6f6b4afa8
SHA3-384 hash: 1fe1d47323783b54ff22c2d5d3f7c8a31ddd16ecc57583c5d1e7f823e0132a5e37b96a477ad0f073bc217ea849cf7f1e
SHA1 hash: 27c1df064b91c727ffc6e4d1125a706e0d97a60f
MD5 hash: 441fb718befabe558d4816a561a92bc9
humanhash: five-ceiling-california-enemy
File name:DHLMar 2021 at 9.108BZ290PDF.jar
Download: download sample
Signature STRRAT
Create hunting rule
File size:99'152 bytes
First seen:2021-03-31 02:52:35 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 1536:kx/H9zFgn/nCggB63ZFTQbGktWkNgcjbf9+RRcBLX:kbU/CzuFsbGkt5br9+RaB7
TLSH 65A3D05BBAEAC0ECE15F5D32451885B7A70C13A8E019613F6AFE58081D72C7D4B06EDE
Reporter abuse_ch
Tags:jar STRRAT


Avatar
abuse_ch
STRRAT C2:
103.133.109.176:9123

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
103.133.109.176:9123 https://threatfox.abuse.ch/ioc/6188/

Intelligence

File Origin
# of uploads :
1
# of downloads :
102
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DHLMar 2021 at 9.108BZ290PDF.jar
Verdict:
Malicious activity
Analysis date:
2021-03-31 05:57:09 UTC
Tags:
evasion trojan strrat rat
Link:
https://app.any.run/tasks/256eb336-5b35-4087-9aeb-6b5d7f447a08

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/128944/
Detection(s):
SecuriteInfo.com.UDS.Backdoor.Java.Agent.gen.30103.14228.UNOFFICIAL
Create hunting rule

Result
Threat name:
STRRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/659541
Signature
Creates autostart registry keys to launch java
Exploit detected, runtime environment dropped PE file
Exploit detected, runtime environment starts unknown processes
May check the online IP address of the machine
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Get antivirus details via WMIC query
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected AllatoriJARObfuscator
Yara detected STRRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 378695 Sample: DHLMar 2021 at 9.108BZ290PDF.jar Startdate: 31/03/2021 Architecture: WINDOWS Score: 88 81 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->81 83 Yara detected STRRAT 2->83 85 Sigma detected: Get antivirus details via WMIC query 2->85 87 4 other signatures 2->87 10 cmd.exe 2 2->10         started        12 javaw.exe 2->12         started        14 javaw.exe 2->14         started        16 2 other processes 2->16 process3 process4 18 java.exe 29 10->18         started        22 conhost.exe 10->22         started        dnsIp5 71 github.com 140.82.121.4, 443, 49718 GITHUBUS United States 18->71 73 github-releases.githubusercontent.com 185.199.108.154, 443, 49721 FASTLYUS Netherlands 18->73 75 3 other IPs or domains 18->75 63 C:\cmdlinestart.log, ASCII 18->63 dropped 24 java.exe 2 22 18->24         started        28 icacls.exe 1 18->28         started        file6 process7 file8 65 C:\Users\...\DHLMar 2021 at 9.108BZ290PDF.jar, Zip 24->65 dropped 67 C:\Users\user\...\jna8996445379116995644.dll, PE32 24->67 dropped 89 Creates autostart registry keys to launch java 24->89 30 java.exe 14 24->30         started        34 conhost.exe 24->34         started        36 conhost.exe 28->36         started        signatures9 process10 dnsIp11 77 103.133.109.176, 49730, 9123 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN Viet Nam 30->77 79 ip-api.com 208.95.112.1, 49737, 80 TUT-ASUS United States 30->79 69 C:\Users\user\...\jna8436923978552361838.dll, PE32 30->69 dropped 38 cmd.exe 1 30->38         started        40 cmd.exe 30->40         started        42 cmd.exe 30->42         started        44 2 other processes 30->44 file12 process13 process14 46 WMIC.exe 38->46         started        49 conhost.exe 38->49         started        51 conhost.exe 40->51         started        53 WMIC.exe 40->53         started        55 conhost.exe 42->55         started        57 WMIC.exe 42->57         started        59 conhost.exe 44->59         started        61 WMIC.exe 44->61         started        signatures15 91 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 46->91
Gathering data
Threat name:
ByteCode-JAVA.Backdoor.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-03-31 02:53:18 UTC
AV detection:
1 of 48 (2.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qtzutsw2tkrfctdcnyqnm4l6tw5b6qcag7u6bbpmr7p4n5vuv6ua._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/210331-ktm7hjcagn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops file in Program Files directory
Adds Run key to start application
Looks up external IP address via web service
Drops startup file
Loads dropped DLL
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/84f349cada9aa2514c626e20d6717e9dba1f404037e9e085ec8fdfc6f6b4afa8

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/128944/

Comments