MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4cd823b02efc3aaf62baa4f4e9c252ae487d969c887fe2a72291ad2e69359cac. 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: | 4cd823b02efc3aaf62baa4f4e9c252ae487d969c887fe2a72291ad2e69359cac |
|---|---|
| SHA3-384 hash: | 19552d379c519efe0720a66a507fd79f81d697b9bc41b0c7afe84258742c82901c1c9a4f7cca2b05750726f53f00f035 |
| SHA1 hash: | a4fa0d9d5a3ec8041d84eb4ca541e3e49833bc8c |
| MD5 hash: | 1b82291a598a2e1a2b6c6db774ddb5ea |
| humanhash: | equal-hotel-mississippi-helium |
| File name: | RFQ TK011521.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 791'552 bytes |
| First seen: | 2021-01-15 13:54:54 UTC |
| Last seen: | 2021-01-15 15:46:21 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:XSty0CqDRP0CMY4u/6NtalvsJFXAip9Smmk2+ISK:kTtPN92FwiT7fIj |
| Threatray | 1'388 similar samples on MalwareBazaar |
| TLSH | F6F42951BB819310DBAC22BDDC0640ED16E1EFA9BEA8E71FD58672725F7251400FF682 |
| Reporter |  abuse_ch |
| Tags: | exe nVpn RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: mail1.promptcheng.com
Sending IP: 164.90.157.21
From: Alexis Pantelides <alexis.p@taskav.com.cy>
Reply-To: Alexis Pantelides <alexis.taskaw.com@dr.com>
Subject: New RFQ TK011521 For TASK
Attachment: RFQ TK011521.iso (contains "RFQ TK011521.exe")
RemcosRAT C2:
jackpiaau.duckdns.org:4902 (194.5.98.165)
Pointing to nVpn:
% Information related to '194.5.98.0 - 194.5.98.255'
% Abuse contact for '194.5.98.0 - 194.5.98.255' is 'abuse@privacyfirst.sh'
inetnum: 194.5.98.0 - 194.5.98.255
remarks: This prefix is assigned to The PRIVACYFIRST Project, which
remarks: operates infrastructure jointly used by various VPN service
remarks: providers. We have a very strong focus on privacy and freedom.
remarks: In case of abuse, we encourage all international law enforcement
remarks: agencies to get in touch with our abuse contact. Due to the fact
remarks: that we keep no logs of user activities and only share data when
remarks: it is legally required under our jurisdiction, it is very unlikely
remarks: for a demand of user information to be successful. Still, that
remarks: should not deter you from reaching out.
netname: PRIVACYFIRST-NO
country: NO
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2019-04-26T16:42:54Z
last-modified: 2020-10-07T21:35:29Z
source: RIPE
Intelligence
File Origin
# of uploads :
2
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ TK011521.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 13:58:03 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
Launching a process
Creating a process with a hidden window
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Detected Remcos RAT
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-01-15 13:55:06 UTC
AV detection:
13 of 29 (44.83%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'378 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat
Behaviour
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
jackpiaau.duckdns.org:4902
ihechi.ddns.net:4902
ihechi.ddns.net:4902
Unpacked files
SH256 hash:
296620e9308a1069ca98d27c426f25f5c1f87d9240bb371c657571034b0261b5
MD5 hash:
4cf24d41a7882216740280e3294cb853
SHA1 hash:
6bcb31d3dc0a7d71da1067a628168664202769a4
SH256 hash:
62681609218509e16276463cc3ac1bd61313ab0e04464125a31f88c313e87ac1
MD5 hash:
be6cd2912d32521566b18d450ed2efdc
SHA1 hash:
56daf2cd994ee88474a29676fd55dfb4d90a72d2
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
1b164764bd461ebd338050f4e9cf090e9b24fc3048567e95c389e502ed965123
MD5 hash:
f26e1e10f0519a7e1c08737227c07136
SHA1 hash:
3586f4634b360f6896e9618793c5702dee386006
SH256 hash:
4cd823b02efc3aaf62baa4f4e9c252ae487d969c887fe2a72291ad2e69359cac
MD5 hash:
1b82291a598a2e1a2b6c6db774ddb5ea
SHA1 hash:
a4fa0d9d5a3ec8041d84eb4ca541e3e49833bc8c
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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