MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f631405eb61bdf6f6e34657e5b99273743e1e24854942166a16f38728e19f200. 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: 10
| SHA256 hash: | f631405eb61bdf6f6e34657e5b99273743e1e24854942166a16f38728e19f200 |
|---|---|
| SHA3-384 hash: | 38f6b9a3c903015e8999be7552619b7ddb3c90908a2a891122463cdbbce259cdb19fdd2780942b378d14674b8142f205 |
| SHA1 hash: | 28aa1734cac8c9fdbbc22d77a99c1e6c42201b34 |
| MD5 hash: | 5fe6c2f9283eefcc8872c89b038db947 |
| humanhash: | shade-moon-mobile-triple |
| File name: | RFQ-1101998337664545555.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 917'232 bytes |
| First seen: | 2021-02-07 07:45:00 UTC |
| Last seen: | 2021-02-07 09:53:52 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 46446266224beb31c3cb0df684643ee4 (2 x RemcosRAT) |
| ssdeep | 12288:f6DIJ6NPh4Vzrl1udXSnlYq+28R8E5Ptt/TdEtslre4hFQh:fZah4Vzrl1udXSnlK28R8E5F5TmQkh |
| Threatray | 58 similar samples on MalwareBazaar |
| TLSH | FD153AA83349BCB0F0657DBC98864BB044A77D8168C9551E93DCF80AE53DA9839F970F |
| Reporter |  abuse_ch |
| Tags: | exe Rackspace RemcosRAT |
abuse_ch
Malspam distributing unidentified malware:HELO: smtp79.iad3a.emailsrvr.com
Sending IP: 173.203.187.79
From: Al Taiseer Alliminium Inc <intlproject@altaiseer.com>
Subject: RFQ- 1101998337664545555- (Al Taiseer Rig Servicing Contract)
Attachment: RFQ- 1101998337664545555_xls.img (contains "RFQ-1101998337664545555.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
234
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ-1101998337664545555.exe
Verdict:
Malicious activity
Analysis date:
2021-02-07 07:47:34 UTC
Tags:
rat remcos keylogger
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
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.
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Contains functionality to capture and log keystrokes
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
Contains functionalty to change the wallpaper
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Delf
Status:
Malicious
First seen:
2021-02-07 07:45:15 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 48 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Adds Run key to start application
Enumerates connected drives
Remcos
Unpacked files
SH256 hash:
38919c96274afe44c440fa298fc363e1217dfa355da38dd4de2ef213808870c2
MD5 hash:
c3d226b590a22cb9f1aa308748ff47dd
SHA1 hash:
64504ed945df46476fc3ac19dd42972966206e52
SH256 hash:
f631405eb61bdf6f6e34657e5b99273743e1e24854942166a16f38728e19f200
MD5 hash:
5fe6c2f9283eefcc8872c89b038db947
SHA1 hash:
28aa1734cac8c9fdbbc22d77a99c1e6c42201b34
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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