MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 553caa644cbf9022987290140354f878981f281eb487847afa5017eca470c279. 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: | 553caa644cbf9022987290140354f878981f281eb487847afa5017eca470c279 |
|---|---|
| SHA3-384 hash: | f29f48310a543c07fbc971ae241a5bf686ef3fa632dae8db4232111a140d19710b1d4f7cd10e29873f1848edc972769b |
| SHA1 hash: | 4abf677194aeb3dacf76787dce9e527524a10266 |
| MD5 hash: | dc92de4128fd23451244cdee387cf0d1 |
| humanhash: | undress-river-london-emma |
| File name: | PROFORMA INVOICE # ID40,pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 730'368 bytes |
| First seen: | 2021-02-01 09:05:55 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 24a535ed8116cc9ffb1d6169e0ad68d3 (6 x RemcosRAT, 3 x Loki) |
| ssdeep | 12288:zisrdZXlPa+jC/V3oFVaUHF8K1Ly6Mx+QXX1x6tvz:zb59jC/VQaqFbnM4QVqz |
| Threatray | 29 similar samples on MalwareBazaar |
| TLSH | DBF47C6151501639F16273BCFC0A0AA866A5BE3E3D254F45D6E49BCB0B2F2C07C9A17F |
| Reporter |  abuse_ch |
| Tags: | exe nVpn RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: mail1.tri--sure.com
Sending IP: 161.35.230.137
From: Julie Shah <julie@ampco.com.sa>
Subject: PURCHASE ORDER-ID40
Attachment: PROFORMA INVOICE ID40,pdf.iso (contains "PROFORMA INVOICE # ID40,pdf.exe")
RemcosRAT C2:
insidelife1.ddns.net:2021 (185.140.53.130)
Pointing to nVpn:
% Information related to '185.140.53.0 - 185.140.53.255'
% Abuse contact for '185.140.53.0 - 185.140.53.255' is 'abuse@privacyfirst.sh'
inetnum: 185.140.53.0 - 185.140.53.255
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-EU
country: EU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
org: ORG-TPP6-RIPE
status: ASSIGNED PA
mnt-by: PRIVACYFIRST-MNT
created: 2016-10-17T23:24:00Z
last-modified: 2020-11-06T23:02:44Z
source: RIPE
Intelligence
File Origin
# of uploads :
1
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
PROFORMA INVOICE # ID40,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-02-01 09:07:05 UTC
Tags:
rat remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
DNS request
Sending a custom TCP 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
Connection attempt 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:
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
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
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
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2021-02-01 08:02:23 UTC
AV detection:
15 of 46 (32.61%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 19 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:
c7385cf608325b7521aec35e1cc1d096ee6d1523f06677ee9761d5b52e9e56b6
MD5 hash:
7f252ebbd7f09b34f16e03f806db27c0
SHA1 hash:
c44771e4a7123d45261b0a87851f69f8c9d6eef6
SH256 hash:
553caa644cbf9022987290140354f878981f281eb487847afa5017eca470c279
MD5 hash:
dc92de4128fd23451244cdee387cf0d1
SHA1 hash:
4abf677194aeb3dacf76787dce9e527524a10266
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_rat |
|---|---|
| Author: | jeFF0Falltrades |
| Rule name: | REMCOS_RAT_variants |
|---|
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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