MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 269ad9c64667ee8349c77e0917b256ec7b16cd256f02ba3fc7258b844a9742db. 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: 4


Intelligence 4 IOCs 1 YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 269ad9c64667ee8349c77e0917b256ec7b16cd256f02ba3fc7258b844a9742db
SHA3-384 hash: ac9445d524be4c4a30cba189f9d2f803622eb37bd1ab5ac65c0856ede5deb520d141cc7db45055249ea07cbc1a827aca
SHA1 hash: 83cb65673aa680082875b7795d71a3923142adeb
MD5 hash: 00c6403b831a9a510743b7cb1f3edc62
humanhash: violet-undress-july-oven
File name:401k-statement.PDF.jar
Download: download sample
Signature STRRAT
Create hunting rule
File size:98'316 bytes
First seen:2021-08-24 13:21:40 UTC
Last seen:Never
File type:Java file jar
MIME type:application/zip
ssdeep 3072:g6XYBrmewh+tsLXyGZiv/JAlPu7HYnelp5BVHJ:g6QrmXXFIv/+YYeXLH
TLSH T10FA3C01F7DEA80EAD54F7477970D8236AA4F1189C91AD52F71F806015CB2CA81B82ECF
Reporter JAMESWT_WT
Tags:jar STRRAT

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
193.142.146.203:1981 https://threatfox.abuse.ch/ioc/193708/

Intelligence

File Origin
# of uploads :
1
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
401k-statement.PDF.jar
Verdict:
No threats detected
Analysis date:
2021-08-24 09:34:09 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/13d9c725-456d-4751-8987-b75b3017a19b

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/181915/
Detection(s):
SecuriteInfo.com.Java.Trojan.GenericGBA.30511.25167.19683.UNOFFICIAL
Create hunting rule

Result
Threat name:
STRRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/838274
Signature
Creates autostart registry keys to launch java
Creates autostart registry keys with suspicious names
Exploit detected, runtime environment dropped PE file
Exploit detected, runtime environment starts unknown processes
May check the online IP address of the machine
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 STRRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 470706 Sample: 401k-statement.PDF.jar Startdate: 24/08/2021 Architecture: WINDOWS Score: 92 72 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 Yara detected STRRAT 2->76 78 4 other signatures 2->78 10 cmd.exe 2 2->10         started        13 javaw.exe 2->13         started        process3 signatures4 80 Uses schtasks.exe or at.exe to add and modify task schedules 10->80 15 java.exe 29 10->15         started        19 conhost.exe 10->19         started        process5 dnsIp6 66 github.com 140.82.121.3, 443, 49738 GITHUBUS United States 15->66 68 github-releases.githubusercontent.com 185.199.109.154, 443, 49740 FASTLYUS Netherlands 15->68 70 3 other IPs or domains 15->70 48 C:\...\401k-statement.PDF.jar, Zip 15->48 dropped 21 java.exe 4 15->21         started        24 icacls.exe 1 15->24         started        file7 process8 file9 52 C:\Users\user\401k-statement.PDF.jar, Zip 21->52 dropped 26 java.exe 2 22 21->26         started        30 conhost.exe 21->30         started        32 conhost.exe 24->32         started        process10 file11 54 C:\Users\user\...\401k-statement.PDF.jar, Zip 26->54 dropped 56 C:\Users\user\...\401k-statement.PDF.jar, Zip 26->56 dropped 58 C:\ProgramData\...\401k-statement.PDF.jar, Zip 26->58 dropped 60 C:\Users\user\...\jna2426284891720328824.dll, PE32 26->60 dropped 82 Creates autostart registry keys to launch java 26->82 84 Creates autostart registry keys with suspicious names 26->84 34 java.exe 14 26->34         started        38 cmd.exe 1 26->38         started        40 conhost.exe 26->40         started        signatures12 process13 dnsIp14 62 193.142.146.203, 1981, 49746 HOSTSLICK-GERMANYNL Netherlands 34->62 64 ip-api.com 208.95.112.1, 49749, 80 TUT-ASUS United States 34->64 50 C:\Users\user\...\jna1197887282708031050.dll, PE32 34->50 dropped 42 conhost.exe 34->42         started        44 conhost.exe 38->44         started        46 schtasks.exe 38->46         started        file15 process16
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/269ad9c64667ee8349c77e0917b256ec7b16cd256f02ba3fc7258b844a9742db/
Threat name:
ByteCode-JAVA.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-08-24 11:42:51 UTC
File Type:
Binary (Archive)
Extracted files:
68
AV detection:
4 of 45 (8.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e2nntrsgm7xigsohpyerpmsw5r5rntjfn4blup6hewfyisuxilnq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/210824-v6655zczc2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
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/269ad9c64667ee8349c77e0917b256ec7b16cd256f02ba3fc7258b844a9742db

File information

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

Web download

STRRAT

Java file jar 269ad9c64667ee8349c77e0917b256ec7b16cd256f02ba3fc7258b844a9742db

(this sample)

  
X
https://twitter.com/malwrhunterteam/status/1430068102646095872?s=20
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/181915/

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