MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 fccbf385c83dc8e754969e064852fab5fcaab99c564f6679a22a944ef76e20b0. 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: 12
| SHA256 hash: | fccbf385c83dc8e754969e064852fab5fcaab99c564f6679a22a944ef76e20b0 |
|---|---|
| SHA3-384 hash: | 98dd64f826753b7ea927afda05f2cd1bbe257719d8d5c26bb907f0c590053393f586cf810cd13fe2268156bedd67e75d |
| SHA1 hash: | 3ef2055618f1658b8be18f8008848a4b947a4d65 |
| MD5 hash: | 6c7da71731552e3180748e4396791a97 |
| humanhash: | nine-avocado-lake-hawaii |
| File name: | QuotationCVXpo00029392.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'765'888 bytes |
| First seen: | 2021-02-01 08:09:43 UTC |
| Last seen: | 2021-02-01 09:45:10 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'819 x AgentTesla, 19'743 x Formbook, 12'286 x SnakeKeylogger) |
| ssdeep | 1536:S+Pq4i6fIVmUrqLLDp6dktw983co6msvw0QXFRKXo3DiiJw8Zh0rE4cSfCJaHkLw:S+xgV9rIF60O20S20/JXNW |
| Threatray | 230 similar samples on MalwareBazaar |
| TLSH | CC851B026F935941BB60A172DECFE0CEEB4C17797A4E78697CBD1205A1A3025C363EB5 |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
117
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QuotationCVXpo00029392.exe
Verdict:
Malicious activity
Analysis date:
2021-02-01 08:14:35 UTC
Tags:
rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Launching a process
Creating a process with a hidden window
DNS request
Sending a custom TCP request
Running batch commands
Sending a UDP request
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Adding exclusions to Windows Defender
Enabling autorun
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.
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Connects to a pastebin service (likely for C&C)
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Country aware sample found (crashes after keyboard check)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Detected Remcos RAT
Drops PE files to the startup folder
Hides threads from debuggers
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell adding suspicious path to exclusion list
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-02-01 02:38:54 UTC
AV detection:
8 of 46 (17.39%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 220 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos evasion persistence ransomware rat trojan
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Windows security modification
Modifies WinLogon for persistence
Modifies Windows Defender Real-time Protection settings
Remcos
Turns off Windows Defender SpyNet reporting
Windows security bypass
Malware Config
C2 Extraction:
greatglass.servebeer.com:1961
Unpacked files
SH256 hash:
54ed29ab9fa8c1ec7ba89b80b0155531d2a01e0564538f1a5659be22198f8d4e
MD5 hash:
0d91df0e503aff927dd7046de21473da
SHA1 hash:
de9a79ea202677856d7c579065d1f1ba851c1713
SH256 hash:
78777d4da7d1d5acf333bbb301823a35206b4cc40a2cc0a4041113ce09ff0939
MD5 hash:
3797ba7d0fe05eadf8c3f9453d948a64
SHA1 hash:
ce0a59667cd027ce2bd3a5e4c3e1088413df8669
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
fccbf385c83dc8e754969e064852fab5fcaab99c564f6679a22a944ef76e20b0
MD5 hash:
6c7da71731552e3180748e4396791a97
SHA1 hash:
3ef2055618f1658b8be18f8008848a4b947a4d65
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: | ach_RemcosRAT |
|---|---|
| Author: | abuse.ch |
| Rule name: | Chrome_stealer_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Chrome in files like avemaria |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | Keylog_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Contains Keylog |
| Rule name: | Parallax |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies Parallax RAT. |
| Rule name: | Remcos |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect Remcos in memory |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
Delivery method
Distributed via e-mail attachment
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