MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a2d8137283ea060941c3dcbaf2f82ab42ec93af7866b1de1b42f59df23d6f6e. 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: 8


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

SHA256 hash: 3a2d8137283ea060941c3dcbaf2f82ab42ec93af7866b1de1b42f59df23d6f6e
SHA3-384 hash: 2508143c206e9650358f19243e5856f2b5eadefdfa456c8e82eaa51b0d46e6498ccb6a1a973ab669a72910137fc8b4eb
SHA1 hash: 70d4b2490e8535f029c290f407371ca40de55e7a
MD5 hash: fd8c76bc5bdbb72993a40de544b6ff34
humanhash: lemon-sweet-twenty-zulu
File name:FD8C76BC5BDBB72993A40DE544B6FF34.exe
Download: download sample
Signature CrimsonRAT
Create hunting rule
File size:10'099'200 bytes
First seen:2021-05-17 16:36:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'192 x AgentTesla, 20'341 x Formbook, 12'364 x SnakeKeylogger)
ssdeep 384:KAFd8fAl2CozYYuh5NZdai+RQXfvddlbGxRHOZLLQxrNbSyskQMFQC7wW9WvSZvi:PFd8/CbhhOQA78IQ6Akvo
Threatray 7 similar samples on MalwareBazaar
TLSH 7EA67304679DC7AFF77FCBFF99255143D37AF162AD42D60E188B50A5262231086E0A3E
Reporter abuse_ch
Tags:CrimsonRAT exe


Avatar
abuse_ch
CrimsonRAT C2:
173.212.192.229:3364

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
173.212.192.229:3364 https://threatfox.abuse.ch/ioc/44153/

Intelligence

File Origin
# of uploads :
1
# of downloads :
1'209
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FD8C76BC5BDBB72993A40DE544B6FF34.exe
Verdict:
Malicious activity
Analysis date:
2021-05-17 16:40:20 UTC
Tags:
trojan rat crimson
Link:
https://app.any.run/tasks/35e51321-9c93-4206-b33a-ddcb64fcce57

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/157928/
Detection(s):
Win.Trojan.CrimsonRAT-7591455-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Sending a custom TCP request
Result
Threat name:
Crimson
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/783654
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to capture screen (.Net source)
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Potential time zone aware malware
Yara detected Crimson RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a2d8137283ea060941c3dcbaf2f82ab42ec93af7866b1de1b42f59df23d6f6e/
Threat name:
ByteCode-MSIL.Ransomware.Foreign
Create hunting rule
Status:
Malicious
First seen:
2021-05-03 17:41:20 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hiwycnzih2qgbfa4hxf26l4cvnboze5ppbtldxq3il2z34r5n5xa._file
Verdict:
malicious
Similar samples:
47b99e50430e9abad7326d1837ecdda5f995112b0b12406d23df5ef603d52a4e
CrimsonRAT
4c8e0459524380a9f00ffc58913f461c3e1d8737dd18252881f09e2d416e4f73
CrimsonRAT
5dcb736bf556729b30654fe97da034c1ccd7471f7587cb82dc33f4aef2248b9c
CrimsonRAT
bbea096ceb3c94454a5b92e5f614f107bd98df0b9d2f7022574256d0614f35c8
CrimsonRAT
be7c3bf33d9e06fdf23da68ab87a8c4cdddba7d2fbcaf4b1a68c443ab0a45288
CrimsonRAT
d0dbca82a9b5aec7e2a2b4bf10ee6f3369bf639551c5eef4143498fee67de67a
CrimsonRAT
fe33ba5d5f49662ce90089b1f64a76887b9e1eadc46b8c0eada007295f387682
CrimsonRAT
Result
Malware family:
crimsonrat
Create hunting rule
Score:
  10/10
Tags:
family:crimsonrat
Link:
https://tria.ge/reports/210517-kqhlm88g5n/
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: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/157928/

Comments