MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 be7a5bef3222ae10270b899e278680c3a9d6c5151c18901e875bb9c1c7e8dbc2. 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: 16
| SHA256 hash: | be7a5bef3222ae10270b899e278680c3a9d6c5151c18901e875bb9c1c7e8dbc2 |
|---|---|
| SHA3-384 hash: | f1a8d8ff09f9998d256f36aa78815424b2be4a72e6c52c791eab6918bfb1f1eb37d00d084c6665ea7539787fc115278d |
| SHA1 hash: | 1f058b51e02d314950e69f6b0af5022a022d399d |
| MD5 hash: | 4fdc66a401be44f334dc87ee92a86dc7 |
| humanhash: | thirteen-tango-charlie-montana |
| File name: | bOkf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 238'080 bytes |
| First seen: | 2023-07-11 11:07:21 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | bc4f8e98d1041d53dd63bfb91ed10d0a (52 x RemcosRAT) |
| ssdeep | 6144:yvGSN9gWuLpcBKnVBYAsmrzpyDfOXXVxBGr:yvbGWulcBKV3uOXS |
| TLSH | T19B3412687B2ED869D194C6FC8424D5F222E95C7E0D2665CE1BDCFE2FFD27200AC910A1 |
| TrID | 54.9% (.EXE) UPX compressed Win32 Executable (27066/9/6) 13.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 10.2% (.EXE) Win16 NE executable (generic) (5038/12/1) 9.1% (.EXE) Win32 Executable (generic) (4505/5/1) 4.1% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | c4d48eaa8ad4d4f8 (1'213 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm) |
| Reporter |  pmelson |
| Tags: | exe remcos RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
339
Origin country :
USVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
bOkf.exe
Verdict:
Malicious activity
Analysis date:
2023-07-11 11:07:42 UTC
Tags:
rat remcos keylogger remote stealer
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
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending an HTTP GET request
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Reading critical registry keys
Creating a file in the %temp% directory
Query of malicious DNS domain
Sending a TCP request to an infection source
Stealing user critical data
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware lolbin packed shell32
Verdict:
Malicious
Labled as:
Dacic.A9349469.A.Generic
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
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)
Uses dynamic DNS services
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-07-11 11:08:06 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
22 of 24 (91.67%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:ofiaku-july collection rat spyware stealer upx
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
UPX packed file
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
salwanazeeze.duckdns.org:9595
salwanazeeze.ddns.net:9595
salwanazeeze.ddns.net:9595
Unpacked files
SH256 hash:
aa8c3d73690ea95bfcad293eacf820f049d10e0a015f04dcb5db6f7f3b853170
MD5 hash:
c669162bbf884c3b68aad457f8476669
SHA1 hash:
727eafda2117d8c8402509fc69ae666a1664fe1d
Detections:
Remcos
win_remcos_auto
SH256 hash:
be7a5bef3222ae10270b899e278680c3a9d6c5151c18901e875bb9c1c7e8dbc2
MD5 hash:
4fdc66a401be44f334dc87ee92a86dc7
SHA1 hash:
1f058b51e02d314950e69f6b0af5022a022d399d
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
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: | iexplorer_remcos |
|---|---|
| Author: | iam-py-test |
| Description: | Detect iexplorer being taken over by Remcos |
| Rule name: | INDICATOR_EXE_Packed_MPress |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables built or packed with MPress PE compressor |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables referencing many email and collaboration clients. Observed in information stealers |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | QbotStuff |
|---|---|
| Author: | anonymous |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | TeslaCryptPackedMalware |
|---|
| 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: | yara_template |
|---|
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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