MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f1efd86756d2b913e17e6de502d9de494ffa89b503a209f4d82d204ad1d4be6b. 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: 17
| SHA256 hash: | f1efd86756d2b913e17e6de502d9de494ffa89b503a209f4d82d204ad1d4be6b |
|---|---|
| SHA3-384 hash: | 6ecd5a68d69e695092db87fb888e829fd63c02659c9c3e5dafaa3affa54993b23be20e67576c273818c2a6ea425e8fea |
| SHA1 hash: | a239dc29c3d0f77b646ed0fd90b684417a68fb16 |
| MD5 hash: | 7b44ded7282157013ab154538a36e760 |
| humanhash: | mobile-hawaii-stream-freddie |
| File name: | 7b44ded7282157013ab154538a36e760.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 494'592 bytes |
| First seen: | 2023-10-30 05:51:32 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 8d5087ff5de35c3fbb9f212b47d63cad (170 x RemcosRAT) |
| ssdeep | 6144:G/7iPrcL3ArwhBq7Kjsn9iHGXg0lwGS9MNNhdFvPxps9gsAOZZuAXec7c7ov:G/uPq3AfK496Gw0lwGXN3pvs/Zut8v |
| Threatray | 417 similar samples on MalwareBazaar |
| TLSH | T11AB49E01BAD2C072D57514300D36F776EABCBD202826497BB3DA1D5BFE31190B62A6B7 |
| TrID | 32.2% (.EXE) Win64 Executable (generic) (10523/12/4) 20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.4% (.EXE) Win16 NE executable (generic) (5038/12/1) 13.7% (.EXE) Win32 Executable (generic) (4505/5/1) 6.2% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm) |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
323
Origin country :
NLVendor Threat Intelligence
Detection:
Remcos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Connecting to a non-recommended domain
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Stealing user critical data
Gathering data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control evasive exploit explorer fingerprint greyware keylogger lolbin shell32
Verdict:
Malicious
Labled as:
Backdoor.Remcos
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:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
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
Delayed program exit found
Detected unpacking (changes PE section rights)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Detection:
remcos
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-10-30 03:02:42 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
24 of 24 (100.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 407 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:29122021 collection spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Malware Config
C2 Extraction:
29122021.sytes.net:6110
Unpacked files
SH256 hash:
f1efd86756d2b913e17e6de502d9de494ffa89b503a209f4d82d204ad1d4be6b
MD5 hash:
7b44ded7282157013ab154538a36e760
SHA1 hash:
a239dc29c3d0f77b646ed0fd90b684417a68fb16
Detections:
Remcos
win_remcos_w0
win_remcos_auto
Malware family:
Remcos
Verdict:
Malicious
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | iexplorer_remcos |
|---|---|
| Author: | iam-py-test |
| Description: | Detect iexplorer being taken over by Remcos |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
| Rule name: | win_remcos_rat_unpacked |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | win_remcos_w0 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | yarahub_win_remcos_rat_unpacked_aug_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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