MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 643ea3d68bdce21956bd3cd8126fa04c8c199c8c01a86dfa1b57f71eb321cf76. 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
RemcosRAT
Vendor detections: 11
| SHA256 hash: | 643ea3d68bdce21956bd3cd8126fa04c8c199c8c01a86dfa1b57f71eb321cf76 |
|---|---|
| SHA3-384 hash: | 02d3c708050e89e5b1780aed61b6b03179282f0b66f7fe47269614162a32ba39ee4b8da7dc79eb0a6c0f04d8927a7639 |
| SHA1 hash: | 902eb48e7fac457eca052b264ca1c22c0a5257cb |
| MD5 hash: | 266a902d0b76e5fedc13b3aa0ff5b62a |
| humanhash: | march-north-robin-missouri |
| File name: | Fatura 893454.pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 85'195 bytes |
| First seen: | 2021-03-26 10:30:23 UTC |
| Last seen: | 2021-03-26 12:36:47 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla) |
| ssdeep | 1536:XTXB+5p3Bi+HpM4tmJjril7bfZYuR2F1wxFMFnkUEG0CvKA:XTs3BxJNmJjriFbfZYSy2HGSA |
| Threatray | 1'867 similar samples on MalwareBazaar |
| TLSH | 4183F16B7BD444B7E9DB06711AFB6F3ED3BBAB1A1A21074757240F6D3A11283C825381 |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 104.223.106.236:8780 | https://threatfox.abuse.ch/ioc/5447/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
172
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Fatura 893454.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-26 10:34:44 UTC
Tags:
installer rat remcos trojan
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% subdirectories
Unauthorized injection to a recently created process
Sending a custom TCP request
Setting a keyboard event handler
Sending a UDP request
Creating a file in the %AppData% subdirectories
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
REMCOS
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Sigma detected: Remcos
Sigma detected: Suspicious Double Extension
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.SpyNoon
Status:
Malicious
First seen:
2021-03-26 10:31:05 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'857 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Remcos
Unpacked files
SH256 hash:
71403332bf1d761d22f7cc7c1cccb4cfaa65161abb0a47031b273f033092f5a3
MD5 hash:
e295de0ef0285167cba906439fd9753b
SHA1 hash:
b15dd080bf45cbb843ee370fb45aafc508f00ae3
SH256 hash:
9d2558bfffec97ef758512433c7811b9a8327e12d8d50e4fb1548398fddfb63a
MD5 hash:
c3bc07a8d14adad0985464392349770b
SHA1 hash:
b03fba1424ab299dab3a939fef81cb3fbca31c23
SH256 hash:
643ea3d68bdce21956bd3cd8126fa04c8c199c8c01a86dfa1b57f71eb321cf76
MD5 hash:
266a902d0b76e5fedc13b3aa0ff5b62a
SHA1 hash:
902eb48e7fac457eca052b264ca1c22c0a5257cb
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | INDICATOR_EXE_Packed_MPress |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables built or packed with MPress PE compressor |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | Remcos |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Remcos in memory |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | suspicious_packer_section |
|---|---|
| Author: | @j0sm1 |
| Description: | The packer/protector section names/keywords |
| Reference: | http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/ |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
Comments
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.