MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a289fb24de3542ae7f900243e70a57459631cf5d4fba19e7df4282f51b9f6434. 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: 12
| SHA256 hash: | a289fb24de3542ae7f900243e70a57459631cf5d4fba19e7df4282f51b9f6434 |
|---|---|
| SHA3-384 hash: | 70e5b36fa8b3bde9cb539a3739050f1c46bb68e5867eacfff733fdb4da0510e1c7a5e5b177e7c6b2358634c897cc6812 |
| SHA1 hash: | cb01668cab7194911fe88f9411d5481848a183c0 |
| MD5 hash: | f006c65434d7d425b182d35ad4c0dff0 |
| humanhash: | whiskey-fruit-emma-emma |
| File name: | MRC20201030XMY, pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 355'840 bytes |
| First seen: | 2021-01-31 07:41:41 UTC |
| Last seen: | 2021-01-31 09:59:15 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger) |
| ssdeep | 6144:aBKU0rb4EdQ7roeAChBK3mhbWwJJUR1ls7Q58Q/3TzLNr:aB40qUSCjsmRsRr51Dz5 |
| Threatray | 1'484 similar samples on MalwareBazaar |
| TLSH | 9B74BD85FA598A60DC6D97712632D8700B333C7E6974E60D2DCE3CBB3A7B7624411A63 |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: beta.etsii.upm.es
Sending IP: 138.100.71.89
From: Valentina Zandoli <Admin-AR1@gratenau.com>
Subject: Re: Orden revisada MRC20201030XMY
Attachment: MRC20201030XMY, pdf.cab (contains "MRC20201030XMY, pdf.exe")
RemcosRAT C2:
graceland777.ddns.net
Intelligence
File Origin
# of uploads :
2
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MRC20201030XMY, pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-01-31 07:44:30 UTC
Tags:
rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Forced shutdown of a system process
Enabling autorun by creating a file
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Detected Remcos RAT
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-01-29 13:07:18 UTC
AV detection:
14 of 28 (50.00%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'474 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos ransomware rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
graceland777.ddns.net:7773
Unpacked files
SH256 hash:
a289fb24de3542ae7f900243e70a57459631cf5d4fba19e7df4282f51b9f6434
MD5 hash:
f006c65434d7d425b182d35ad4c0dff0
SHA1 hash:
cb01668cab7194911fe88f9411d5481848a183c0
SH256 hash:
574677fb4bae73fcce514163daee829208f4234c5190a45001df8c73c2079b63
MD5 hash:
93dea6f127e403ce88f69177012453cd
SHA1 hash:
6eab9e34cf5cc5b29ee08ed993926757f1e981f9
SH256 hash:
a2a0bbbe8c9ee88441356010f63455c50dfcafe663db757bbc453c815c51d720
MD5 hash:
11e80c54bfeff7f0c120dae46df0a8be
SHA1 hash:
d597b9b0dcac06f0aa00a931bb90de8eba564651
SH256 hash:
9f27ac79426a00906264371e92134f464cf84f0b43ed4a894a96b5fc0119056c
MD5 hash:
520ffdf455cf1d31769be34ab740fd4a
SHA1 hash:
9c1b871b3371205cae276ca0fbd6da673af8580d
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:
Farheyt
Score:
0.80
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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