MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ad1f07921d826970a6a6e3073a870abd32a439d3ae2fc552b7dff46eb0d5f69c. 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: | ad1f07921d826970a6a6e3073a870abd32a439d3ae2fc552b7dff46eb0d5f69c |
|---|---|
| SHA3-384 hash: | 86f602f62b240be8aadfb46350b4560b5bab2365134117f450ee669b6a1ce2d06c2e98a1556ea08b02227b9ee6659dc8 |
| SHA1 hash: | 39f75c20a9372a4b04231ca64f094a87621fa833 |
| MD5 hash: | 279249ce026add40ae320e48e7419dd0 |
| humanhash: | october-video-jig-yellow |
| File name: | Invoice_pdf.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 890'880 bytes |
| First seen: | 2021-01-15 13:51:14 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 12288:bYfFwRxm8lKj/daElE9Yt9gusNqdpSt/+Ra:bYfFwRjlG/dllzt9g5cO |
| Threatray | 1'399 similar samples on MalwareBazaar |
| TLSH | 56159D7C277BBE8CD0791AB60EE1592707623D1624F8C61E0CD97EC90576B401EA9EB3 |
| Reporter |  abuse_ch |
| Tags: | exe nVpn RAT RemcosRAT |
abuse_ch
Malspam distributing RemcosRAT:HELO: atg-glovesolutions.com
Sending IP: 103.145.252.28
From: MAK Trading<import@atg-glovesolutions.com>
Subject: Proforma Invoice
Attachment: Invoice_pdf.gz (contains "Invoice_pdf.exe")
RemcosRAT C2:
welloff.myq-see.com:5267 (91.193.75.197)
Pointing to nVpn:
% Information related to '91.193.75.0 - 91.193.75.255'
% Abuse contact for '91.193.75.0 - 91.193.75.255' is 'abuse@privacyfirst.sh'
inetnum: 91.193.75.0 - 91.193.75.255
descr: Moscow, Russia
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-RU2
country: RU
admin-c: TPP15-RIPE
tech-c: TPP15-RIPE
abuse-c: ACRO34258-RIPE
mnt-by: PRIVACYFIRST-MNT
mnt-by: RIPE-NCC-END-MNT
org: ORG-KHd1-RIPE
status: ASSIGNED PI
created: 2012-06-04T11:05:55Z
last-modified: 2021-01-03T20:17:23Z
source: RIPE
sponsoring-org: ORG-MW1-RIPE
Intelligence
File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Invoice_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 13:55:38 UTC
Tags:
rat remcos
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
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Verdict:
UNKNOWN
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
.NET source code contains potential unpacker
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
Initial sample is a PE file and has a suspicious name
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Trojan.Wacatac
Status:
Malicious
First seen:
2021-01-15 08:44:55 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 1'389 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos persistence rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
welloff.myq-see.com:5267
Unpacked files
SH256 hash:
124839115fb7fa07123d8df87e9401453848902cc5b9da1cffd70499c5f5c009
MD5 hash:
9b634a7956b3361fbd079a2c06fb05ff
SHA1 hash:
cbff719d0835e301ea3a03264044c1421d01fea1
Detections:
win_remcos_g0
win_remcos_auto
SH256 hash:
2bf8f7fef1c4d6509365ca32c72befa4d01975cbf5f061d0fd6446d37cfb3532
MD5 hash:
908a902a1e822c21f08049e0303f82d3
SHA1 hash:
609d338208ad6c38711de91447e07c4a84db6484
SH256 hash:
64a419709ad219ffc006bda776b650da486d55048d2fa34525f40227da0e5c86
MD5 hash:
88c0ec8398978fa2e4240f02765086ad
SHA1 hash:
5a5c4935b2d70e890c89ad9332365f4f4aa86f3c
SH256 hash:
ad1f07921d826970a6a6e3073a870abd32a439d3ae2fc552b7dff46eb0d5f69c
MD5 hash:
279249ce026add40ae320e48e7419dd0
SHA1 hash:
39f75c20a9372a4b04231ca64f094a87621fa833
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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