MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4fe8c8398a6cf30cfd7cbed590de821abdb40aa177781c43c19bdfec75308355. 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: | 4fe8c8398a6cf30cfd7cbed590de821abdb40aa177781c43c19bdfec75308355 |
|---|---|
| SHA3-384 hash: | 8f3edd8f6054d36462ef2d739f1a438566ae4ad544934bd2dfe14913ba5e03f39187fa27e2b40501329107527e08aa27 |
| SHA1 hash: | 56a770ba16062100d0cb2574fe24a042718c9fbc |
| MD5 hash: | 5ad9944b195708e20ed9008a6aca905d |
| humanhash: | freddie-eighteen-west-wyoming |
| File name: | New PO.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 680'960 bytes |
| First seen: | 2021-01-06 16:34:54 UTC |
| Last seen: | 2021-01-09 09:01:31 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 12288:4DLTzWJTThYBCm6NCgLtJ79MEyvG2dncT6:4nWJ/KapuG2dn26 |
| Threatray | 1'434 similar samples on MalwareBazaar |
| TLSH | FAE4F241FAB7B7C2C4FA037557E9C14779A0DD48568AC9BB78AA75BC10B63242CF8078 |
| Reporter |  abuse_ch |
| Tags: | exe nVpn RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: greaterdimensions.com
Sending IP: 69.12.73.228
From: Chad<chad@greaterdimensions.com>
Reply-To: windowlinux551@gmail.com
Subject: New Order Request
Attachment: New PO.zip (contains "New PO.exe")
RemcosRAT C2:
194.5.98.32:959
Hosted on 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 :
14
# of downloads :
267
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New PO.exe
Verdict:
Malicious activity
Analysis date:
2021-01-06 16:42:21 UTC
Tags:
trojan 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:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Setting a global event handler for the keyboard
Sending a TCP request to an infection source
Unauthorized injection to a system process
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
Machine Learning detection for sample
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:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2021-01-06 12:02:59 UTC
AV detection:
19 of 46 (41.30%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'424 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
194.5.98.32:959
Unpacked files
SH256 hash:
78cc69e2bac1d1082fdcd12ab9f73c8fbe177d4c77c3741a1f675afc19fde7df
MD5 hash:
0d89407b450dd157f3eac8a3a3850a07
SHA1 hash:
ae3cd291f2a022360896d4fae4f005f2b50a8364
SH256 hash:
cf122b971374cde274658927fbb8dd69566a0622255bfb1dd5657aa04faad977
MD5 hash:
d4526c830d545e06ba5997daa8b5c766
SHA1 hash:
8b995c14e7494feba99d98e1249cacb1bd2a0845
SH256 hash:
f0d2a5e5be1d9b670a71e80de411d6f007d6581da060193c1f38c47aaaaba3b3
MD5 hash:
bef585b0abfee9d68e8451c9b8e7b501
SHA1 hash:
e2fd2f6003a9f0d98a34427bad415e7727ef0c0c
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
4fe8c8398a6cf30cfd7cbed590de821abdb40aa177781c43c19bdfec75308355
MD5 hash:
5ad9944b195708e20ed9008a6aca905d
SHA1 hash:
56a770ba16062100d0cb2574fe24a042718c9fbc
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
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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