MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b63a672f485defdec1774da3ab65fa6e8ec2525d3740dd1ba79c28d0945aa04d. 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: 11
| SHA256 hash: | b63a672f485defdec1774da3ab65fa6e8ec2525d3740dd1ba79c28d0945aa04d |
|---|---|
| SHA3-384 hash: | c26b93809e68e61ff9d654bbeac993f121e841bef1777eadabde25573d4698aa1e3c06f16102ce2a5c3582cf614c30ef |
| SHA1 hash: | c4fd0a4f9ea92cf1dd3083b549c2f6405759d5f1 |
| MD5 hash: | 448ca1ff37a446037046671705d166bc |
| humanhash: | timing-alanine-west-timing |
| File name: | docs-00425.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 787'600 bytes |
| First seen: | 2021-04-12 11:12:48 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 23399c21b0aa604a8aa13da9702198d1 (3 x RemcosRAT, 1 x Formbook) |
| ssdeep | 12288:wjsnTVNRUWpHKTXa8+XBM9gN4W9t7ocLyg0c0WKRmpP:wjMmMH8XEgfqFDd0WK8R |
| Threatray | 157 similar samples on MalwareBazaar |
| TLSH | 25F4AD33F2E18437C16E5A3D9D1BA7D8982AFF21FE64994A67F40C484F357503A26293 |
| Reporter |  GovCERT_CH |
| Tags: | 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:
Bestellung.msg
Verdict:
Malicious activity
Analysis date:
2021-04-12 09:20:30 UTC
Tags:
trojan rat remcos
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
Deleting a recently created file
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Creating a process from a recently created file
Launching a process
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
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
Delayed program exit found
Detected Remcos RAT
DLL side loading technique detected
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the user root directory
Found malware configuration
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suspicious powershell command line found
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Infostealer.Fareit
Status:
Malicious
First seen:
2021-04-12 08:36:45 UTC
AV detection:
12 of 48 (25.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 147 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
style.ptbagasps.co.id:42024
Unpacked files
SH256 hash:
31ffb1d8050b158b4c432cbb831f9da9b918443b7ed3ecca7e3d7a18a531e3f9
MD5 hash:
406f0b9cc6dacbdd1b715c557b941343
SHA1 hash:
77387463c87215e20a8592430665820cbb146660
SH256 hash:
b63a672f485defdec1774da3ab65fa6e8ec2525d3740dd1ba79c28d0945aa04d
MD5 hash:
448ca1ff37a446037046671705d166bc
SHA1 hash:
c4fd0a4f9ea92cf1dd3083b549c2f6405759d5f1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
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: | adonunix2 |
|---|---|
| Author: | Tim Brown @timb_machine |
| Description: | AD on UNIX |
| Rule name: | INDICATOR_KB_CERT_56f008e69a7c4c3feb389c66eaf58259 |
|---|---|
| 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.
Malspam
Delivery method
Distributed via e-mail attachment
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) [B0012.001] Anti-Static Analysis::Argument Obfuscation
4) [F0002.002] Collection::Polling
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