MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 40ef0ea8d499ef74760da82a71c8cf548149e01826b62767c75431cc4cdad67f. 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: 13
| SHA256 hash: | 40ef0ea8d499ef74760da82a71c8cf548149e01826b62767c75431cc4cdad67f |
|---|---|
| SHA3-384 hash: | 7101cf796989aabb6489b9d3e480ce30cb60927e85b0a50ceed4213d085412ad22c192aee9e2b5672c680da5e2379fd3 |
| SHA1 hash: | 3746a3696094d98a4f91103b045b894c38b04d37 |
| MD5 hash: | ea1c39e72ae5c05ccb6caf2d94db2235 |
| humanhash: | three-tennessee-timing-fruit |
| File name: | gunzipped.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'086'976 bytes |
| First seen: | 2021-08-05 09:51:30 UTC |
| Last seen: | 2021-08-05 11:19:49 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 24576:CoR6qg50vgAsnYNaKK5eyDA86LvoCPNjJmG0NmV/4Nz:BsFegDm0eyDXQPTzG |
| Threatray | 1'490 similar samples on MalwareBazaar |
| TLSH | T18C35AD2229EB158DF3B39B760FC4F8BE56EAE5776B1AB0F638910B454322940CD51336 |
| 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 |
|---|---|
| http://marbellacabs.com/hao//6.jpg | https://threatfox.abuse.ch/ioc/165767/ |
| http://marbellacabs.com/hao//1.jpg | https://threatfox.abuse.ch/ioc/165768/ |
| http://marbellacabs.com/hao//2.jpg | https://threatfox.abuse.ch/ioc/165769/ |
| http://marbellacabs.com/hao//3.jpg | https://threatfox.abuse.ch/ioc/165770/ |
| http://marbellacabs.com/hao//4.jpg | https://threatfox.abuse.ch/ioc/165771/ |
| http://marbellacabs.com/hao//5.jpg | https://threatfox.abuse.ch/ioc/165772/ |
| http://marbellacabs.com/hao//7.jpg | https://threatfox.abuse.ch/ioc/165773/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
145
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
gunzipped.exe
Verdict:
Malicious activity
Analysis date:
2021-08-05 09:52:32 UTC
Tags:
rat remcos keylogger stealer trojan vidar loader
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Setting a keyboard event handler
DNS request
Connection attempt
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
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.
Verdict:
Unknown
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
ByteCode-MSIL.Trojan.Sabsik
Status:
Malicious
First seen:
2021-08-05 09:52:05 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'480 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:oski family:remcos botnet:remotehost discovery infostealer rat spyware stealer suricata
Behaviour
Checks processor information in registry
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Checks installed software on the system
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Oski
Remcos
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Malware Config
C2 Extraction:
ostriuyer.myddns.me:7116
marbellacabs.com/hao/
marbellacabs.com/hao/
Unpacked files
SH256 hash:
aed00f82f1772e5a403cce9c1349202c8371e67ed9ef19a33cac0bf2a411f3c1
MD5 hash:
c273f926e2a29bd62cc8f27b569a0b2a
SHA1 hash:
e08d302cab3e11d776599a6b0537207fce6f9c51
SH256 hash:
e3c0a581b115d369573a9d5aad019556eb7543def10491af0fb2383587415e84
MD5 hash:
c226be014f1fd9eee1e89d3987c80976
SHA1 hash:
7eb19f5478a9760af0377eb20f703c10e44d0c0d
SH256 hash:
081943596248fe90e3c93f6168343608610bcee09c987667b9ee86c9a3708e9c
MD5 hash:
6d83dcb537fb7f74b707202ef87f2a23
SHA1 hash:
762f50448540cb22d009e2b1bb7a918ed7390d61
Detections:
win_remcos_g0
SH256 hash:
40ef0ea8d499ef74760da82a71c8cf548149e01826b62767c75431cc4cdad67f
MD5 hash:
ea1c39e72ae5c05ccb6caf2d94db2235
SHA1 hash:
3746a3696094d98a4f91103b045b894c38b04d37
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
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: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| 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.
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