MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 72b1b30e4b34a0267f7386974ee024c02a3b3aa62c409de18a497ca23ade20e1. 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
| SHA256 hash: | 72b1b30e4b34a0267f7386974ee024c02a3b3aa62c409de18a497ca23ade20e1 |
|---|---|
| SHA3-384 hash: | c1576a830cf83851d449ac5b526f3ef59585e5160415249a1db6dc20fc841e96ce136c851f3fc66bb41cd6f7949f9050 |
| SHA1 hash: | a96dd33450f8db8551d6b0bce24207ddee2fc384 |
| MD5 hash: | 2f71caebb2842f4afd6c262f742d3b2b |
| humanhash: | may-grey-nitrogen-east |
| File name: | 2F71CAEBB2842F4AFD6C262F742D3B2B.exe |
| Download: | download sample |
| Signature | CrimsonRAT |
| File size: | 404'480 bytes |
| First seen: | 2021-03-25 00:53:15 UTC |
| Last seen: | 2021-03-25 02:43:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'120 x AgentTesla, 20'127 x Formbook, 12'359 x SnakeKeylogger) |
| ssdeep | 6144:gL1UR+BdO2Lyw8KDHFpB3P3lPpaUaWd6+emavDtYm:dR+G2OwtTFTr+mqtYm |
| Threatray | 394 similar samples on MalwareBazaar |
| TLSH | 5F844BE0D1D90036DC66ED389371C8E466827ED0FDE2438902297596A7B54CE2A9FC7F |
| Reporter |  abuse_ch |
| Tags: | CrimsonRAT exe |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 151.106.14.125:6818 | https://threatfox.abuse.ch/ioc/5215/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
1'262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Sunita Singh.exe
Verdict:
Malicious activity
Analysis date:
2021-03-22 10:01:11 UTC
Tags:
trojan rat crimson
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Launching a process
Sending a UDP request
Creating a file
Creating a process from a recently created file
Sending a custom TCP request
Unauthorized injection to a recently created process
Malware family:
CrimsonRAT
Verdict:
Malicious
Result
Threat name:
Unknown
Detection:
malicious
Classification:
spyw.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture screen (.Net source)
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects files into Windows application
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.CrimsonRAT
Status:
Malicious
First seen:
2021-03-22 20:29:18 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 384 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
n/a
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Executes dropped EXE
Unpacked files
SH256 hash:
72b1b30e4b34a0267f7386974ee024c02a3b3aa62c409de18a497ca23ade20e1
MD5 hash:
2f71caebb2842f4afd6c262f742d3b2b
SHA1 hash:
a96dd33450f8db8551d6b0bce24207ddee2fc384
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
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: | crime_win32_ransom_avaddon_1 |
|---|---|
| Author: | @VK_Intel |
| Description: | Detects Avaddon ransomware |
| Reference: | https://twitter.com/VK_Intel/status/1300944441390370819 |
| Rule name: | Email_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Email in files like avemaria |
| Rule name: | IPPort_combo_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | Ping_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| Rule name: | SharedStrings |
|---|---|
| Author: | Katie Kleemola |
| Description: | Internal names found in LURK0/CCTV0 samples |
| Rule name: | UAC_bypass_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | UAC bypass in files like avemaria |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
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