MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 21f9efa2dc23445571bc45df18b359a12282e44af4f33fcdb5b2ced6df8b9db5. 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: 14
| SHA256 hash: | 21f9efa2dc23445571bc45df18b359a12282e44af4f33fcdb5b2ced6df8b9db5 |
|---|---|
| SHA3-384 hash: | 61839747813b65fe8be62c36e51daa46f812aab6a0b752879bcb0d3d03e0e75472bca8606f66a0681c8a4e7a251ef396 |
| SHA1 hash: | ff32ef5aca0a1005ad1871205bf33a1b4a9a6fbd |
| MD5 hash: | f28a8b7fc8c60cb1327b4983a5bf7816 |
| humanhash: | lithium-alpha-xray-india |
| File name: | RFQ.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'505'280 bytes |
| First seen: | 2021-08-09 19:18:26 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'473 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 24576:g/Vq04F2xa0yetrA9XFfCRtCtqTbVzPNC+ydQDhgCDCwYXX0YNIc/IFP898uEwN5:6w2LrqVC2tebVzVC+ydQdgCDKUE393N5 |
| Threatray | 662 similar samples on MalwareBazaar |
| TLSH | T11F65F126F2639919C7D82372919744280391F687B7B7E77B2F2C53A93852376BC093C9 |
| Reporter |  GovCERT_CH |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
COMPANY PROFILE AND PURCHASE ORDER.rar
Verdict:
Malicious activity
Analysis date:
2021-07-28 12:52:26 UTC
Tags:
rat remcos trojan
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
DNS request
Connection attempt
Enabling autorun by creating a file
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
.NET source code contains method to dynamically call methods (often used by packers)
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2021-07-28 10:45:22 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 652 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
CustAttr .NET packer
Remcos
Malware Config
C2 Extraction:
duck50501.hopto.org:50501
Unpacked files
SH256 hash:
911de9cda7c1776280bb10f18ec1d04bd2d50b80d0cf2a982bfa89029e3563a8
MD5 hash:
6137f9edc53b7cf69b4e18de01fd039b
SHA1 hash:
f701cad088dea78ebb06500ff66eb317b0661723
SH256 hash:
6151fa4f65c06fb0854ecafc78c60ea7bd6550e94a6f3437aa786722489da834
MD5 hash:
fd76abea81a91ed14ceee32829f3865c
SHA1 hash:
e24f2baa11ddfa25de3cfcd731b593ee150be4e5
Detections:
win_remcos_g0
SH256 hash:
83a961344d1573ffa958b65c7609da1c9fcd9103e2ce38c0a2fd7dc3124d9f7a
MD5 hash:
11995e0521eee722903fb64319508eba
SHA1 hash:
bd97c90585a62a68d0de895ad8eef2f72047f95a
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
SH256 hash:
43ccd425fdbe0a2df944d4620a1cce5489bccc07cf3b7f9280765c4220ae9383
MD5 hash:
6bed346d201c095dc2ee7b6f6f5bb66e
SHA1 hash:
091d9bf02aa75ef7092b68d1763c58ff552b5c04
SH256 hash:
21f9efa2dc23445571bc45df18b359a12282e44af4f33fcdb5b2ced6df8b9db5
MD5 hash:
f28a8b7fc8c60cb1327b4983a5bf7816
SHA1 hash:
ff32ef5aca0a1005ad1871205bf33a1b4a9a6fbd
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: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Dropped by
RemcosRAT
Delivery method
Distributed via e-mail attachment
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