MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 f313ed23323b609ed09075856805772adf3487d3b565429adde2b71793cb73bf. 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: | f313ed23323b609ed09075856805772adf3487d3b565429adde2b71793cb73bf |
|---|---|
| SHA3-384 hash: | b1d6fefb579a0c58926041dc047859425803bf3730c807d7ac8eee170268117861b48edc21d807859f3beec267d9d73d |
| SHA1 hash: | bcefc250e3bb5f83dbbf294a2a5609d61ce3581a |
| MD5 hash: | a9489436209423d6472faa8b2151059d |
| humanhash: | tango-magnesium-quiet-asparagus |
| File name: | a9489436209423d6472faa8b2151059d |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 781'312 bytes |
| First seen: | 2024-01-25 19:09:48 UTC |
| Last seen: | 2024-01-25 20:27:18 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger) |
| ssdeep | 12288:Qbizz52aC1sP906N9C3Iu4OF3nWmkuMWou0szcAN/OxTAwsMVipUPgRQ185C4qqZ:Dl2af906kjBnauMHAN/OxJs+YRQp |
| Threatray | 3'615 similar samples on MalwareBazaar |
| TLSH | T154F4014A97AD03F9E89253362E79832E67FB970BB44E930F12E01F1877017A2067D65D |
| TrID | 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| File icon (PE): |  |
| dhash icon | 8606460e0f397536 (3 x AgentTesla, 2 x Loki, 2 x Formbook) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
404
Origin country :
FRVendor Threat Intelligence
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
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
Reading critical registry keys
Creating a file in the %temp% directory
Stealing user critical data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
packed remcos
Verdict:
Malicious
Labled as:
Zusy.Generic
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
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
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 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
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)
Maps a DLL or memory area into another process
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
Threat name:
ByteCode-MSIL.Trojan.Zusy
Status:
Malicious
First seen:
2024-01-25 19:10:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
14 of 38 (36.84%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 3'605 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:b70inc collection rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
7070bc8.sytes.net:6696
Unpacked files
SH256 hash:
e6b2fc60b8035555a46358910cbba099d2ceaba24a2fa932a1c570d131d394fa
MD5 hash:
b8e660286c367b3049915f63b770bd97
SHA1 hash:
c5dd41c6c589d63af18416405de43d48ff654a3b
SH256 hash:
45c7b64a55dca23ee1239649e03a7c361813dbcfc2a0817b0d8e94c907d6ed4b
MD5 hash:
fb1bc19121c4e190d83672bc71b493f0
SHA1 hash:
c3488b969ba578e28ee360be24b6416425a224a0
SH256 hash:
ef65d5fc33b67069bb98465761a5100b81c8759b331ec0341c9fd0e2209e1076
MD5 hash:
199796bdcb4792f963e8b7454e11374f
SHA1 hash:
6a066d110be7d6402726f84392fe71d74b9be97e
Detections:
Remcos
win_remcos_w0
win_remcos_auto
malware_windows_remcos_rat
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
f313ed23323b609ed09075856805772adf3487d3b565429adde2b71793cb73bf
MD5 hash:
a9489436209423d6472faa8b2151059d
SHA1 hash:
bcefc250e3bb5f83dbbf294a2a5609d61ce3581a
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
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: | BLOWFISH_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for Blowfish constants |
| 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_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: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | maldoc_getEIP_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | meth_get_eip |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | meth_stackstrings |
|---|---|
| Author: | Willi Ballenthin |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | QbotStuff |
|---|---|
| Author: | anonymous |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | TeslaCryptPackedMalware |
|---|
| 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_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 |
| 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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