MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 512f42f440c86ec0b776da00cb7be1aac494914af73a8d47ada5b6a4b5f208eb. 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: | 512f42f440c86ec0b776da00cb7be1aac494914af73a8d47ada5b6a4b5f208eb |
|---|---|
| SHA3-384 hash: | 9747525a6422b6c39a1b7b03184e64ea84aa48c3fd36897a36d5f4306280c9dc4bfc29c1a7b1f60d89a2679b62bbff8a |
| SHA1 hash: | 0834ecd9b985eaf23e810cfeeeb8f71e8d0ef7a1 |
| MD5 hash: | 46e4c4c88a4d3bfb06c40d56d3b30d94 |
| humanhash: | video-timing-mirror-sad |
| File name: | New order.pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 1'000'408 bytes |
| First seen: | 2021-02-18 15:13:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | df0d362df6a4fc505777ae182bd2795b (5 x RemcosRAT) |
| ssdeep | 12288:Rt1rtR29DwSwNy6ZgFwg0jPacng2WnAH+QIMYSCoDaMycZ+rfF8hWf:RnxhSwNy6eFGC+jv+QIPStDocoJf |
| Threatray | 1'584 similar samples on MalwareBazaar |
| TLSH | E72591F2950A4B21F01B273CE48AE63816E6B8BE3D19475ACED47B065B5F3183C9507B |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: cloudhost-2290780.us-midwest-1.nxcli.net
Sending IP: 8.36.41.54
From: Frank <rodrigo.espinosa@ridgid.com.mx>
Subject: New order
Attachment: New order.pdf.zip (contains "New order.pdf.exe")
RemcosRAT C2:
god111favour.ddns.net
Intelligence
File Origin
# of uploads :
1
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Detection:
DLAgent07
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
DNS request
Sending a custom TCP request
Sending a UDP request
Creating a file
Deleting a recently created file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
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:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
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
Contains functionalty to change the wallpaper
Creates a thread in another existing process (thread injection)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Sigma detected: Remcos
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2021-02-18 15:14:06 UTC
AV detection:
10 of 47 (21.28%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'574 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Unpacked files
SH256 hash:
8853230b759841efaf0a565bbf2712b4d591f80a3eb8f5fa4beb1e5c44f6e520
MD5 hash:
03ec862a79b6f42204268233cfa3f5b8
SHA1 hash:
161e239b187b9b7abbf833ce1164f08519bc545d
SH256 hash:
742d9dde82f369f53ebd096e97446b429793401ab681f63e6b24b87ebc1bbc06
MD5 hash:
6a9a262f0ad021baff8e22a6dd4a53ae
SHA1 hash:
160189d345c18854b631a20011103edd2fdd136f
SH256 hash:
512f42f440c86ec0b776da00cb7be1aac494914af73a8d47ada5b6a4b5f208eb
MD5 hash:
46e4c4c88a4d3bfb06c40d56d3b30d94
SHA1 hash:
0834ecd9b985eaf23e810cfeeeb8f71e8d0ef7a1
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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