MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b1f4aa9a46b55d5ade9fd65f2afb175c39be592dc5907611b9db5f86a65d91a1. 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: | b1f4aa9a46b55d5ade9fd65f2afb175c39be592dc5907611b9db5f86a65d91a1 |
|---|---|
| SHA3-384 hash: | 38f56435c79aaa719b959c7ad7ce645fd6915e9c99a07b071eea75846115d7ec362ba8dda3c38a7a59dd9e5db228147e |
| SHA1 hash: | 039aa4ed72df3946d683599817b79442e3273361 |
| MD5 hash: | 076d06440c00ad465fe9885fe9d9a70c |
| humanhash: | maine-gee-september-kentucky |
| File name: | BL,IN&PL.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 657'240 bytes |
| First seen: | 2021-01-07 17:58:48 UTC |
| Last seen: | 2021-01-07 18:47:29 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:FtHXsROIJQojoJEFQY3ry7WA80/qB/YZXNxVgf:DHXsRPyo8JEFh3ry7WL0/q+o |
| Threatray | 1'446 similar samples on MalwareBazaar |
| TLSH | D6E4D642E7858E94F890757757DCD27C13A2EDE791008A9213C97E73BB732E2B84E285 |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Code Signing Certificate
| Organisation: | Zoom Video Communications |
|---|---|
| Issuer: | DigiCert EV Code Signing CA |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | Nov 14 00:00:00 2018 GMT |
| Valid to: | Apr 6 12:00:00 2021 GMT |
| Serial number: | 0510C6B2FF7AB71C786EF572239B1243 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | C4102A7AA7F7878CB14C8747C433FDD520A6F54EC5C2AE6755476043B877325F |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
abuse_ch
Malspam distributing RemcosRAT:HELO: usalogisticsmoving.com
Sending IP: 209.127.186.212
From: Kevin - USA Logistics <kevin@usalogisticsmoving.com>
Subject: Shipment and Shiping Docs
Attachment: BL,INPL.rar (contains "BL,IN&PL.exe")
Intelligence
File Origin
# of uploads :
2
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
BL,IN&PL.exe
Verdict:
Malicious activity
Analysis date:
2021-01-07 18:02:25 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:
Clean
Maliciousness:
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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
Contains functionalty to change the wallpaper
Detected Remcos RAT
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Backdoor.Rescoms
Status:
Malicious
First seen:
2021-01-07 17:59:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
14 of 28 (50.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'436 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
194.5.97.206:2556
Unpacked files
SH256 hash:
49dc26861fffee2f6440e56a10b7086ea305d2f16bb9e27ba3e08b9893557f86
MD5 hash:
e732cd6decfed3503b4020899d5a56f9
SHA1 hash:
024c1bf147c698e92aae340bbee323601d02a787
SH256 hash:
c06d4e3d0205d9bdd4a4b40b8da710d698b3a5d73a1626c9ca058c10b2c6d00c
MD5 hash:
7f67414b3fd29299f2d29ad7c2afb995
SHA1 hash:
2ec40d57c08c47433a6d044d271d74005dddae8d
SH256 hash:
4f81e273da20c5b9835ce6ca57cc061d77764f9e3927bdb1505cb791bf50b046
MD5 hash:
29e19b5dce96140a8b90152b16bd44af
SHA1 hash:
4f3dc6eb876bb58f53966980a9c451a04ec17d8a
SH256 hash:
1ffac68def5ce68f650ac8229d3a40e9ac1fc89adeddc9a6041c3dcebb6d1933
MD5 hash:
8503258c9fb8f1519204a2f9a4ccd873
SHA1 hash:
63a62f152f2fe8d79aa29eb3133ba180b03ed416
SH256 hash:
c6582a5d848d30914701af1b04538c19751f5df849e717c1146e247a53f1aefe
MD5 hash:
842ea45b5adbfb35c46eba3c0e08feca
SHA1 hash:
bf4ff8f9028bf14351d1c2f54266576e721da7dc
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
b1f4aa9a46b55d5ade9fd65f2afb175c39be592dc5907611b9db5f86a65d91a1
MD5 hash:
076d06440c00ad465fe9885fe9d9a70c
SHA1 hash:
039aa4ed72df3946d683599817b79442e3273361
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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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