MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d046e766c9c755c88427a91d0dfcfca5659ade83bfd346315aeebc52c485208e. 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


CrimsonRAT


Vendor detections: 9


Intelligence 9 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d046e766c9c755c88427a91d0dfcfca5659ade83bfd346315aeebc52c485208e
SHA3-384 hash: b5b9728c7203185664ccd60c46ecfaca63f6f8c84799f52332a83887d69666dcd9a8380b5382fc441a2007c8394d9546
SHA1 hash: 963ce0420dc7ef8a5fa7cf8e538da70549c3963d
MD5 hash: 9f8769cd10b22c6eb62f3f835e0bdb38
humanhash: mars-salami-river-quebec
File name:D046E766C9C755C88427A91D0DFCFCA5659ADE83BFD34.exe
Download: download sample
Signature CrimsonRAT
Create hunting rule
File size:115'712 bytes
First seen:2021-07-18 07:25:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'070 x AgentTesla, 20'026 x Formbook, 12'352 x SnakeKeylogger)
ssdeep 1536:n4viVPXQAN42KuPLNMYpKNioXviGFYIXx9RlDvPg6qC2:nFQ/iCXx9RlDvPgK
TLSH T11DB30E8033ACC51AD9FD4FBB8060B3400264FD927B52DDAE1AEAF98E16357C8D591D1B
Reporter abuse_ch
Tags:CrimsonRAT exe


Avatar
abuse_ch
CrimsonRAT C2:
79.143.181.178:8861

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
79.143.181.178:8861 https://threatfox.abuse.ch/ioc/160936/

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'023
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
D046E766C9C755C88427A91D0DFCFCA5659ADE83BFD34.exe
Verdict:
Malicious activity
Analysis date:
2021-07-18 07:25:54 UTC
Tags:
trojan rat crimson
Link:
https://app.any.run/tasks/e5b2af2b-90c7-4af9-9ea3-61ed30d6f852

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/172389/
Detection(s):
Win.Malware.Scar-5329362-0
Create hunting rule

Win.Trojan.CrimsonRAT-7591455-0
Create hunting rule

Win.Spyware.CrimsonRat-9859243-0
Create hunting rule

Malware family:
CrimsonRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/414fefed-fa38-4a24-9f4e-124650d8cf66
Result
Threat name:
Crimson
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/817902
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture screen (.Net source)
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Crimson RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d046e766c9c755c88427a91d0dfcfca5659ade83bfd346315aeebc52c485208e/
Threat name:
Win32.Trojan.CrimsonRAT
Create hunting rule
Status:
Malicious
First seen:
2016-11-19 03:00:02 UTC
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2bdoozwjy5k4rbbhveoq37h4uvszvxudx7jummk2526ffrefecha._file
Verdict:
malicious
Result
Malware family:
crimsonrat
Create hunting rule
Score:
  10/10
Tags:
family:crimsonrat persistence
Link:
https://tria.ge/reports/210718-jcjlx94fc6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Adds Run key to start application
Unpacked files
SH256 hash:
d046e766c9c755c88427a91d0dfcfca5659ade83bfd346315aeebc52c485208e
MD5 hash:
9f8769cd10b22c6eb62f3f835e0bdb38
SHA1 hash:
963ce0420dc7ef8a5fa7cf8e538da70549c3963d
Link:
https://www.unpac.me/results/8bd3b867-d540-4f71-87f0-5d607c1cee9c/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/d046e766c9c755c88427a91d0dfcfca5659ade83bfd346315aeebc52c485208e

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:CrimsonRAT_Mar18_1
Create hunting rule
Author:Florian Roth
Description:Detects CrimsonRAT malware
Reference:Internal Research
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

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/172389/

Comments