MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4a843bea699f8a40ae3b92c04e01139d61880ce1c519e369a966e814593d1d81. 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: | 4a843bea699f8a40ae3b92c04e01139d61880ce1c519e369a966e814593d1d81 |
|---|---|
| SHA3-384 hash: | 26af42136b8c6cb544db3ad85b7e9e5ffe9aa0f8e3c0dfec0005cc724bd92f7e09f42573f1fc721c6368055c80489b5d |
| SHA1 hash: | 59f7a2f88a8a3fc13f685672b72506b28ba1614e |
| MD5 hash: | a603a8a69bbcd08f4899a605ab1c68e4 |
| humanhash: | cat-apart-gee-snake |
| File name: | a603a8a69bbcd08f4899a605ab1c68e4.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 474'112 bytes |
| First seen: | 2021-12-03 10:12:50 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1f15bed3346039b42bc33c9080047f8c (26 x RemcosRAT) |
| ssdeep | 12288:CegN0jfYLclGb0bVT6e+MT2MffZS/g7SYo:kNywLclGIeMT2MXZR7SV |
| Threatray | 865 similar samples on MalwareBazaar |
| TLSH | T1C1A4AD11B9C1C032D17252700D29FB75DABCBC302935597BB3DA5D9ABE700C1BB2A6A7 |
| 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 :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a603a8a69bbcd08f4899a605ab1c68e4.exe
Verdict:
Suspicious activity
Analysis date:
2021-12-03 10:21:15 UTC
Tags:
rat remcos keylogger
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
Launching cmd.exe command interpreter
Setting a keyboard event handler
Sending a custom TCP request
Launching a process
Changing a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file
DNS request
Forced shutdown of a system process
Blocking the User Account Control
Result
Malware family:
n/a
Score:
2/10
Tags:
n/a
Behaviour
MeasuringTime
CheckCmdLine
EvasionQueryPerformanceCounter
CheckMutex
Verdict:
Suspicious
Threat level:
5/10
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.
Malware family:
REMCOS
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
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 Remcos RAT
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-12-03 08:41:57 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
31 of 44 (70.45%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 855 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remrem102 evasion rat trojan
Behaviour
Modifies registry key
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
UAC bypass
Malware Config
C2 Extraction:
18.218.132.40:2404
Unpacked files
SH256 hash:
4a843bea699f8a40ae3b92c04e01139d61880ce1c519e369a966e814593d1d81
MD5 hash:
a603a8a69bbcd08f4899a605ab1c68e4
SHA1 hash:
59f7a2f88a8a3fc13f685672b72506b28ba1614e
Detections:
win_remcos_g0
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: | ach_RemcosRAT |
|---|---|
| Author: | abuse.ch |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | remcos_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | REMCOS_RAT_variants |
|---|
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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