MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 83b94c2312c673c3edf7eb5743019777252ec8dc71d16f885f41f83abb1ef2d5. 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: | 83b94c2312c673c3edf7eb5743019777252ec8dc71d16f885f41f83abb1ef2d5 |
|---|---|
| SHA3-384 hash: | 7b4c5dbde895d362abfd19405a3c88010694e00fded4f18f9f78fad4d44b9bfda9f3eb803e971f2a5315f5135bbe58c5 |
| SHA1 hash: | 0cacd0fddb6b344302b9aee810189a529c18f782 |
| MD5 hash: | cb636ea154aafb4ae55a4aa0f176898e |
| humanhash: | delaware-alpha-hamper-hot |
| File name: | RFQ_AP65425652_032421 urgentes,pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 680'448 bytes |
| First seen: | 2021-08-31 18:31:43 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b80f4f0a086ef8167169248061f9b4a4 (4 x RemcosRAT, 1 x AveMariaRAT) |
| ssdeep | 12288:732D6sAniEeWwhvT0Xq7FZlUci5DZ/iFXCj:7mYhwhvTf7k5Z// |
| Threatray | 525 similar samples on MalwareBazaar |
| TLSH | T111E46CB276C1B675C2734A7D5D2F222168386F473AA968053FE86F480F34243796F25E |
| dhash icon | 4cca4c67d3261aca (6 x RemcosRAT, 4 x Formbook, 2 x AveMariaRAT) |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ_AP65425652_032421 urgentes,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-08-31 18:34:51 UTC
Tags:
rat remcos
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
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Deleting a recently created file
Launching a process
Connection attempt to an infection source
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Malware family:
REMCOS
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
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.Backdoor.Remcos
Status:
Malicious
First seen:
2021-08-31 18:32:07 UTC
AV detection:
9 of 45 (20.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 515 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:gr8est persistence rat
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
manneedmoney.ddns.net:6642
Unpacked files
SH256 hash:
4e1202f3e7e04b0b3ca1df164bf5381f24063c142317e774d4e5d88b2b3ac744
MD5 hash:
aa23dee2c34813d67fe9c67ec784782a
SHA1 hash:
10b2e7af7cb9d6f852e6d607875a8c9613538930
SH256 hash:
83b94c2312c673c3edf7eb5743019777252ec8dc71d16f885f41f83abb1ef2d5
MD5 hash:
cb636ea154aafb4ae55a4aa0f176898e
SHA1 hash:
0cacd0fddb6b344302b9aee810189a529c18f782
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
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: | ach_RemcosRAT |
|---|---|
| Author: | abuse.ch |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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