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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dfa3b6436e072e5cf5e5f336a7973be2a54a0b73cfc3aa8901da5b49bf8f5d26. 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


Threat unknown


Vendor detections: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dfa3b6436e072e5cf5e5f336a7973be2a54a0b73cfc3aa8901da5b49bf8f5d26
SHA3-384 hash: 99c84d7c77036e19cb5f88c540f04a6506e08e4188b0c9d2a724a20a0ffed29d87738ae72a32ee7268889f53c3790554
SHA1 hash: 68b9949397dcf50be20798ad9cbc80efda4df4cb
MD5 hash: 593daa294a9023a6dbd6585d0cdbfd99
humanhash: montana-eighteen-red-mango
File name:b
Download: download sample
File size:428'280 bytes
First seen:2026-05-03 17:17:25 UTC
Last seen:Never
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 12288:2Y6X36uMBY19aJKDBYnlDrACDPDA92lTkz7YHfTB:2tnzMSuKDgrBDA4OSf1
TLSH T1EE9413EC5B330ADA1E98DCC770BA7D240EE0044A9C5EAAADD115F8D067819C54BEF4BD
Magika powershell
Reporter BlinkzSec
Tags:ps1

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
US US
Vendor Threat Intelligence
No detections
Detection(s):
YARA.SIGNATURE_BASE_SUSP_PS1_Frombase64String_Content_Indicator.UNOFFICIAL
Create hunting rule

Win.Trojan.Meterpreter-7385375-0
Create hunting rule

Verdict:
Malicious
File Type:
ps1
First seen:
2026-05-02T14:14:00Z UTC
Last seen:
2026-05-05T02:00:00Z UTC
Hits:
~10
Detections:
Trojan.PowerShell.Cobalt.sb Trojan.PowerShell.Cobalt.a HEUR:Trojan.Script.Generic HEUR:Trojan.PowerShell.Kryptik.gen HEUR:Trojan.PowerShell.Agent.gen
Link:
https://opentip.kaspersky.com/dfa3b6436e072e5cf5e5f336a7973be2a54a0b73cfc3aa8901da5b49bf8f5d26/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/60e668e1-47dc-452b-99f4-2c5c3298cf4b
Behavior Graph:
Download SVG
%3 guuid=400bce06-3300-0000-7fab-67c1b2030000 pid=946 /usr/bin/sudo guuid=22df8f0a-3300-0000-7fab-67c1b3030000 pid=947 /tmp/sample.bin guuid=400bce06-3300-0000-7fab-67c1b2030000 pid=946->guuid=22df8f0a-3300-0000-7fab-67c1b3030000 pid=947 execve
Score:
86%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/dfa3b6436e072e5cf5e5f336a7973be2a54a0b73cfc3aa8901da5b49bf8f5d26
Verdict:
Malware
YARA:
1 match(es)
Tags:
Base64 Block Contains Base64 Block DeObfuscated PowerShell
Link:
https://app.malva.re/file/593daa294a9023a6dbd6585d0cdbfd99
Gathering data
Verdict:
Malicious
Threat:
Family.COBALTSTRIKE
Link:
https://tip.neiki.dev/file/dfa3b6436e072e5cf5e5f336a7973be2a54a0b73cfc3aa8901da5b49bf8f5d26
Threat name:
Script-PowerShell.Trojan.Rozena
Create hunting rule
Status:
Malicious
First seen:
2026-05-02 18:24:40 UTC
File Type:
Text (PowerShell)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=36r3mq3oa4xfz5pf6m3kpfz34ksuuc3tz7b2vcib3jnutp4pluta._file
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CobaltStrike_Resources_Command_Ps1_v2_5_to_v3_7_and_Resources_Compress_Ps1_v3_8_to_v4_x
Create hunting rule
Author:gssincla@google.com
Description:Cobalt Strike's resources/command.ps1 for versions 2.5 to v3.7 and resources/compress.ps1 from v3.8 to v4.x
Reference:https://cloud.google.com/blog/products/identity-security/making-cobalt-strike-harder-for-threat-actors-to-abuse
Rule name:CobaltStrike__Resources_Command_Ps1_v2_5_to_v3_7_and_Resources_Compress_Ps1_v3_8_to_v4_x
Create hunting rule
Author:gssincla@google.com
Rule name:SUSP_PS1_FromBase64String_Content_Indicator_RID3714
Create hunting rule
Author:Florian Roth
Description:Detects suspicious base64 encoded PowerShell expressions
Reference:https://gist.github.com/Neo23x0/6af876ee72b51676c82a2db8d2cd3639
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)

File information

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

Comments