MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 8c3a6d5b05325958afeb7885e7d4bbe59f7f5a849b5acdf0a8f7cbb8febc4a81. 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: 10
| SHA256 hash: | 8c3a6d5b05325958afeb7885e7d4bbe59f7f5a849b5acdf0a8f7cbb8febc4a81 |
|---|---|
| SHA3-384 hash: | 6a37712a8b51208de9265c5caf37fed33e495905a744367676fd91b8697e9d03dd7cefa97c674b1914eed3000ca527c5 |
| SHA1 hash: | 3eedf608f7c414dbac8378b7a873f0b831eed16c |
| MD5 hash: | 0f0fa02e2918e6f7b284df63d7714e7c |
| humanhash: | queen-steak-seven-orange |
| File name: | Payment-Confirmation_Copy.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 871'064 bytes |
| First seen: | 2021-04-27 08:28:30 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | ebadec131a7d06138ca29b130faf8093 (1 x NetWire, 1 x BitRAT, 1 x RemcosRAT) |
| ssdeep | 12288:jVd4W9f+QBiHK8sAo6oZFz85deRqWyAwFKLzU7kmLUQU/OyVTvDa:hCWF8HK8skoZW5dZXA00WhUDVT |
| Threatray | 197 similar samples on MalwareBazaar |
| TLSH | 8C058C22A68104F7D9AF19354C3A76A518A5FD303EF4AC8627B46E487FBF2503D1DD82 |
| Reporter |  abuse_ch |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Payment-Confirmation_Copy.exe
Verdict:
Malicious activity
Analysis date:
2021-04-27 08:32:01 UTC
Tags:
rat remcos keylogger
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Unauthorized injection to a recently created process
Setting a keyboard event handler
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
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.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Exploit.BypassUac
Status:
Malicious
First seen:
2021-04-26 23:11:44 UTC
AV detection:
16 of 28 (57.14%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 187 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
79.134.225.108:5851
Unpacked files
SH256 hash:
31ffb1d8050b158b4c432cbb831f9da9b918443b7ed3ecca7e3d7a18a531e3f9
MD5 hash:
406f0b9cc6dacbdd1b715c557b941343
SHA1 hash:
77387463c87215e20a8592430665820cbb146660
SH256 hash:
8c3a6d5b05325958afeb7885e7d4bbe59f7f5a849b5acdf0a8f7cbb8febc4a81
MD5 hash:
0f0fa02e2918e6f7b284df63d7714e7c
SHA1 hash:
3eedf608f7c414dbac8378b7a873f0b831eed16c
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: | INDICATOR_KB_CERT_0be3f393d1ef0272aed0e2319c1b5dd0 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables signed with stolen, revoked or invalid certificates |
| Rule name: | MALWARE_Win_DLAgent07 |
|---|---|
| Author: | ditekSHen |
| Description: | Detects delf downloader agent |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0001.025] Anti-Behavioral Analysis::Software Breakpoints
1) [B0001.032] Anti-Behavioral Analysis::Timing/Delay Check GetTickCount
2) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
3) [F0002.002] Collection::Polling
5) [C0021] Cryptography Micro-objective::Generate Pseudo-random Sequence
6) [C0026.002] Data Micro-objective::XOR::Encode Data
8) [C0051] File System Micro-objective::Read File
9) [C0052] File System Micro-objective::Writes File
10) [E1510] Impact::Clipboard Modification
11) [C0007] Memory Micro-objective::Allocate Memory
12) [C0036.004] Operating System Micro-objective::Create Registry Key::Registry
13) [C0036.003] Operating System Micro-objective::Open Registry Key::Registry
14) [C0036.006] Operating System Micro-objective::Query Registry Value::Registry
15) [C0038] Process Micro-objective::Create Thread
16) [C0041] Process Micro-objective::Set Thread Local Storage Value
17) [C0018] Process Micro-objective::Terminate Process