MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b4b5110b2babce8946d262e6f75215f1c7a6f036eeb3eda5223b9430d5235d46. 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: | b4b5110b2babce8946d262e6f75215f1c7a6f036eeb3eda5223b9430d5235d46 |
|---|---|
| SHA3-384 hash: | 0d78b5a4c2fac8de59176778bd175d27ae6c7091622f2697aee8bda4874fbe90beb87a17c09f1712739902b4b46203f4 |
| SHA1 hash: | 79e5bfb77d3a62233f0d2d9259e2bcc1b3788394 |
| MD5 hash: | ac2b0f199f53c5bb8f7e0a188c27b11e |
| humanhash: | tennis-fruit-potato-friend |
| File name: | ac2b0f199f53c5bb8f7e0a188c27b11e.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 611'840 bytes |
| First seen: | 2020-10-16 14:36:09 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:gMsQHEUP5PEa1RMLBAt0pqlrzP/+V3PYeZtAqT8DUe9SRaLg1Nc3zf/P23CrkPIz:gMsQHEUP5PEa1RMLBAt0pqlrzP/+V3Pe |
| Threatray | 857 similar samples on MalwareBazaar |
| TLSH | 20D4BE2A7D1C4066EE1D677A82CF0B2957F0C1420725DF47248D16AD8B672EAFD8337A |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file
Launching a process
DNS request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Sending a TCP request to an infection source
Unauthorized injection to a system process
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
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
Drops PE files to the user root directory
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
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:
ByteCode-MSIL.Backdoor.Rescoms
Status:
Malicious
First seen:
2020-10-16 14:38:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 847 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
rat family:remcos
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Modifies registry class
Drops file in Windows directory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
ndma.chickenkiller.com:24311
Unpacked files
SH256 hash:
b4b5110b2babce8946d262e6f75215f1c7a6f036eeb3eda5223b9430d5235d46
MD5 hash:
ac2b0f199f53c5bb8f7e0a188c27b11e
SHA1 hash:
79e5bfb77d3a62233f0d2d9259e2bcc1b3788394
SH256 hash:
36ee3a0d0f7aaef48985f068f7d613b54aeb2f71d1d911e6dac66f9d3a1223b2
MD5 hash:
7726116d57613929f86b7c499b8b55e0
SHA1 hash:
daf70daee6b601efccf93dafe5cd58356c8bdff6
SH256 hash:
adb959ba6e69066908642a760468c1605a4430aa7cbb79f46c5518fce2d1a11f
MD5 hash:
eb56781d2d26c72891603092a3cd970a
SHA1 hash:
dd98ab4b90c113fd3a97a43cb6960881578d0e00
Detections:
win_remcos_g0
win_remcos_auto
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: | 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: | 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.
Web download
Delivery method
Distributed via web download
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