MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7a0025d77b576bcdaf8b05df362e53a748b64b51dd5ec5d20cf289a38e38d56. 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


CobaltStrike


Vendor detections: 8


Intelligence 8 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7a0025d77b576bcdaf8b05df362e53a748b64b51dd5ec5d20cf289a38e38d56
SHA3-384 hash: c38aa35037cccfb3b1b2adebe270eaa90577e08fec75c52a501726ce2685500585facff1f2f1a3fa7f98852c9f049f61
SHA1 hash: be03dc4ab88487c562745d0dcf66db1623f830d1
MD5 hash: 9954c8d9106f4dc7b3ac181215072344
humanhash: friend-maine-grey-high
File name:9954c8d9106f4dc7b3ac181215072344
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:1'018'368 bytes
First seen:2022-07-27 09:41:16 UTC
Last seen:2022-07-27 12:34:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c65521cbb7b3ba07f8ea6e4363527cdd (2 x CobaltStrike)
ssdeep 24576:CqBkru8tS4G7S85JEJG3iL1OtHIsqqT9mFPoUHoMw2RbiJx24M/Uw4H/A6pdx27B:SrV2zqWiL1OtosqqT9mFAUHoF2RbiJxA
Threatray 1'261 similar samples on MalwareBazaar
TLSH T11825F747EABA50F4D8B6D2399A232337FCB174598734A7C39685690B1F61BF0923D384
TrID 48.7% (.EXE) Win64 Executable (generic) (10523/12/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Reporter zbetcheckin
Tags:CobaltStrike exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
768
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Yuicku32.dll
Verdict:
Malicious activity
Analysis date:
2022-07-27 01:30:11 UTC
Tags:
cobalt
Link:
https://app.any.run/tasks/24c9714f-2c73-48fe-b30a-2ad6787846d8

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/294589/
Detection(s):
SecuriteInfo.com.Trojan.Win64.Shlem.4c.14429.17314.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware
Link:
https://www.filescan.io/uploads/62e108bf7dd0cb902f04f20a/reports/7a429ae6-8c41-4565-990c-f63d1c5108d2/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/cb90f41d-0ec5-4be6-8286-c5969b9699c6
Result
Threat name:
Unknown
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1041733
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 674231 Sample: dgjikFNdG1 Startdate: 27/07/2022 Architecture: WINDOWS Score: 48 17 Multi AV Scanner detection for submitted file 2->17 7 loaddll64.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 regsvr32.exe 7->11         started        13 rundll32.exe 7->13         started        process5 15 rundll32.exe 9->15         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a7a0025d77b576bcdaf8b05df362e53a748b64b51dd5ec5d20cf289a38e38d56/
Threat name:
Win64.Backdoor.CobaltStrikeBeacon
Create hunting rule
Status:
Malicious
First seen:
2022-07-27 08:49:15 UTC
File Type:
PE+ (Dll)
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=u6qaexlxwv3lzwxywbo7gyxfhj2iwzfvdxk6yxjaz4ujuohdrvla._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
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00906f1cf709f6591880f952da59f41a3019944d23824e000592fe7de035c446
CobaltStrike
179bb74f8d75626a8ad8ea331f0a0d81e9d1d7eaf801615bbdc9c4671b97791c
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22c034ac5a7ac3b628cbb37b575ac528030c961490e41bbe9435319fde8db07b
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8438bfbb9c978de4f342a3ed19551f735343a9c1ed0c8610a332a83918cb5985
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971c693bc67cf7b4b9655282b815bc1ba10ee937f1736ba1ef5fdb7aea392f6c
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9ca6449c0586a77c55586bcc7adfaef2c3cc53da4713c5ed57fced15a3054545
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a72a126f3a637b0102c656a3308121fbcf6d8fb97841ca1a87f04a6e994fa776
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a9c4eafcff0567c68919c93ddf8baa769392e92706e6b35f7b989310d70f732f
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bb4efe96748fcc28b827fc297d060c3ab32053cfb8ea506f8c97000debd22121
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d1d0c9d1ee7b800d491c9fb3fc94b93e5c59d903a4debb092846c46481077ae0
CobaltStrike
+ 1'251 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/220727-lpbx7sgbb5/
Behaviour
Program crash
Unpacked files
SH256 hash:
a7a0025d77b576bcdaf8b05df362e53a748b64b51dd5ec5d20cf289a38e38d56
MD5 hash:
9954c8d9106f4dc7b3ac181215072344
SHA1 hash:
be03dc4ab88487c562745d0dcf66db1623f830d1
Link:
https://www.unpac.me/results/5ebec5bc-ac74-4595-a4f9-e65b8162721a/
Malware family:
CobaltStrike
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a7a0025d77b5/report/overview.html
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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com

File information

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

Web download

CobaltStrike

Executable exe a7a0025d77b576bcdaf8b05df362e53a748b64b51dd5ec5d20cf289a38e38d56

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2261795/
Cape
Cape
https://www.capesandbox.com/analysis/294589/

Comments


Avatar
zbet commented on 2022-07-27 09:41:21 UTC

url : hxxp://lufuyadehi.com/svchost.dll