MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c401c57365e57f1bc8d84f3e42685792b6fa6f55e91bbfdca1b170b64299efbe. 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: 14


Intelligence 14 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c401c57365e57f1bc8d84f3e42685792b6fa6f55e91bbfdca1b170b64299efbe
SHA3-384 hash: 9283d89a060970dfa948448090d839a659575dbe89c9d33824d5541df3754d88c3e432cc85fd358db673093cf5448888
SHA1 hash: 9f51285e55d6de75e75923a200ab7d7559c319f1
MD5 hash: 21b2598b657b902c58d23d41348b452a
humanhash: nebraska-missouri-uniform-helium
File name:SecuriteInfo.com.Win32.DropperX-gen.990.17898
Download: download sample
Signature CobaltStrike
Create hunting rule
File size:1'368'164 bytes
First seen:2024-04-29 14:31:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5881386aa4e6015a52a4434bf9732232 (1 x CobaltStrike)
ssdeep 24576:US4q/X/x4qMYlDdIicw+/3YxMRfW6dlU3h3VuQ5hMtb1:t+qMYbITEMtb1
TLSH T1F9551B93AACB0EB2CDD327F055C753766338DE608626CF6BE608C5369E936C56C4A701
TrID 32.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
20.5% (.EXE) Win64 Executable (generic) (10523/12/4)
12.8% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
9.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
8.7% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter SecuriteInfoCom
Tags:Cobalt Strike exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
cobaltstrike
Create hunting rule
ID:
1
File name:
c401c57365e57f1bc8d84f3e42685792b6fa6f55e91bbfdca1b170b64299efbe.exe
Verdict:
Malicious activity
Analysis date:
2024-04-29 14:35:10 UTC
Tags:
cobaltstrike backdoor
Link:
https://app.any.run/tasks/b3974b6d-c9e5-4c55-91bb-1f6d2125e956

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug anti-vm overlay redcap
Link:
https://www.filescan.io/uploads/662faf6947bfd8641eba6611/reports/a8ef22d5-f1cf-4dc7-8766-c75e0bb04e89/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c401c57365e57f1bc8d84f3e42685792b6fa6f55e91bbfdca1b170b64299efbe
Malware family:
Cobalt Strike
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/965687b8-4407-48c3-abad-0ece974be4b3
Result
Threat name:
CobaltStrike
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/1433452
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected CobaltStrike
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c401c57365e57f1bc8d84f3e42685792b6fa6f55e91bbfdca1b170b64299efbe
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c401c57365e57f1bc8d84f3e42685792b6fa6f55e91bbfdca1b170b64299efbe/
Threat name:
Win32.Backdoor.CobaltStrikeBeacon
Create hunting rule
Status:
Malicious
First seen:
2024-04-27 12:49:04 UTC
File Type:
PE (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=yqa4k43f4v7rxsgyj47ee2cxsk3pu32v5en37xfbwfylmquz567a._file
Verdict:
malicious
Label(s):
cobaltstrike
Create hunting rule
Result
Malware family:
cobaltstrike
Create hunting rule
Score:
  10/10
Tags:
family:cobaltstrike botnet:100000000 backdoor trojan
Link:
https://tria.ge/reports/240429-rwaavach37/
Behaviour
Cobaltstrike
Malware Config
C2 Extraction:
http://156.245.13.36:443/jquery-3.3.1.min.js
Unpacked files
SH256 hash:
c401c57365e57f1bc8d84f3e42685792b6fa6f55e91bbfdca1b170b64299efbe
MD5 hash:
21b2598b657b902c58d23d41348b452a
SHA1 hash:
9f51285e55d6de75e75923a200ab7d7559c319f1
Link:
https://www.unpac.me/results/d2ca2583-1456-4d48-8a1d-c9c703b6f473/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c401c57365e57f1bc8d84f3e42685792b6fa6f55e91bbfdca1b170b64299efbe

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:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

CobaltStrike

Executable exe c401c57365e57f1bc8d84f3e42685792b6fa6f55e91bbfdca1b170b64299efbe

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2831266/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2831268/
  
URLhaus
https://urlhaus.abuse.ch/url/2831267/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WININET.DLL::InternetCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::GetStartupInfoA

Comments