MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 678d3d4b1057a230e358c3b9b88eb2b5e7611e448427788cc6474ae9a0c19404. 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: | 678d3d4b1057a230e358c3b9b88eb2b5e7611e448427788cc6474ae9a0c19404 |
|---|---|
| SHA3-384 hash: | 9dbd078629bf5a700ea542a14920f93c95d5c2c0d82691af1792b57bdd8463c6ff913d49589263e5779913f2a514ab2a |
| SHA1 hash: | 43087d7da98b43c64ffddbd1a61f4534e786b74c |
| MD5 hash: | caea33e0d520c8a783732de2634c1017 |
| humanhash: | floor-virginia-minnesota-stairway |
| File name: | caea33e0d520c8a783732de2634c1017 |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 532'622 bytes |
| First seen: | 2023-04-14 15:38:18 UTC |
| Last seen: | 2023-04-14 17:36:45 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader) |
| ssdeep | 12288:gYhXuzMd8pASpKdoaUjaBMr2j+yQLO0NVVjBvOhWaV3JnJw:gYhXuz28pA2KfLj+yqWBlJw |
| Threatray | 1'189 similar samples on MalwareBazaar |
| TLSH | T198B4235075F4C0EAE0A14632AC39D3F96DE6BC15ACA4124773D0BF9F7232A52EA1D712 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | e0aaaa2b0303aad0 (34 x Formbook, 21 x AveMariaRAT, 18 x AgentTesla) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
290
Origin country :
FRVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
RFQ 518471 INTEX.doc
Verdict:
Malicious activity
Analysis date:
2023-04-14 14:50:38 UTC
Tags:
exploit cve-2017-11882 loader trojan rat remcos
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
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Creating a file
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
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:
rans.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
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)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
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
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-14 15:39:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'179 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:euros persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
jovaneo.duckdns.org:3641
Unpacked files
SH256 hash:
ccdeb3f06ddcfe6eb361235d64e35ea40b88abaf7bb30080347af9e2a31ff8cd
MD5 hash:
3e314bcf0144778421516900b40ed177
SHA1 hash:
dd6a6e8ece518faba40f776054e0737c1cf9a02c
Detections:
Remcos
win_remcos_auto
SH256 hash:
41634ca43a51a576c5c1a3047e94a74f759106642c4a69239eddbfb4b2961a77
MD5 hash:
4d1007c556545f9e1e51305ee33b1528
SHA1 hash:
583c91bfc0a24427ee8d37f0f3513c851af601d8
SH256 hash:
678d3d4b1057a230e358c3b9b88eb2b5e7611e448427788cc6474ae9a0c19404
MD5 hash:
caea33e0d520c8a783732de2634c1017
SHA1 hash:
43087d7da98b43c64ffddbd1a61f4534e786b74c
Malware family:
Remcos
Verdict:
Malicious
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: | 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: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| 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. |
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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