MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 04d9ffc7ec20fe6a740721b913247ad7fdd7e5e4b33a11f9ef9bc64bab90a335. 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


Intelligence 12 IOCs YARA 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 04d9ffc7ec20fe6a740721b913247ad7fdd7e5e4b33a11f9ef9bc64bab90a335
SHA3-384 hash: 6be430d2a83fdc2ed8dc0e540be914ffea1b03ba990fe75c04a463fdce982a15e7eef1e41f1f8154756e32fe4721059c
SHA1 hash: c40815ee36d618d3bc9b8e55671c5535f936fbc4
MD5 hash: 6a8aef8d2e9440ba8e698e8fd331860b
humanhash: rugby-kilo-florida-glucose
File name:6a8aef8d2e9440ba8e698e8fd331860b
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'254'336 bytes
First seen:2022-08-12 13:18:37 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:9sCUFU5cT7uwaX90ehUvG8yK6CaxGjddUHY6rQQzf0soOwU5/Ve9x8t7e4rNkRI2:9x8uf0658yp8dcV7e9xcTrORIuZ3dF
TLSH T1D6A56A51251F63B4F0AAFBF29A3FAE40F863ED3B2A15B5549680BA5CC1317F1276140B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d4d4d4d4c4d4d4d4 (1 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
377
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6a8aef8d2e9440ba8e698e8fd331860b
Verdict:
Suspicious activity
Analysis date:
2022-08-12 13:20:40 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/8b6febbd-d4f9-45c6-b340-185e340cce79

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/298229/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.452.22581.15387.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
DNS request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/62f65347080024921b6dca48/reports/a917dbc0-dc37-4d2f-8451-56fa34b6e7de/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/23de6ec2-093e-44a8-836d-edb8021e58f5
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1050585
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 683095 Sample: r4Hyxusj4l Startdate: 12/08/2022 Architecture: WINDOWS Score: 100 48 sfcarbotexpl.ddns.net 2->48 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus / Scanner detection for submitted sample 2->56 58 7 other signatures 2->58 8 r4Hyxusj4l.exe 1 5 2->8         started        12 Ujzglkekc.exe 1 2->12         started        14 Ujzglkekc.exe 2 2->14         started        signatures3 process4 file5 40 C:\Users\user\AppData\...\Ujzglkekc.exe, PE32 8->40 dropped 42 C:\Users\...\Ujzglkekc.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\...\r4Hyxusj4l.exe.log, ASCII 8->44 dropped 60 Encrypted powershell cmdline option found 8->60 62 Writes to foreign memory regions 8->62 64 Injects a PE file into a foreign processes 8->64 16 InstallUtil.exe 2 2 8->16         started        20 powershell.exe 18 8->20         started        22 InstallUtil.exe 8->22         started        66 Antivirus detection for dropped file 12->66 68 Multi AV Scanner detection for dropped file 12->68 70 Machine Learning detection for dropped file 12->70 24 powershell.exe 12->24         started        26 InstallUtil.exe 12->26         started        28 powershell.exe 14 14->28         started        30 InstallUtil.exe 14->30         started        32 InstallUtil.exe 14->32         started        signatures6 process7 dnsIp8 46 sfcarbotexpl.ddns.net 184.75.221.163, 44850, 49771, 49772 AMANAHA-NEWCA Canada 16->46 50 Installs a global keyboard hook 16->50 34 conhost.exe 20->34         started        36 conhost.exe 24->36         started        38 conhost.exe 28->38         started        signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/04d9ffc7ec20fe6a740721b913247ad7fdd7e5e4b33a11f9ef9bc64bab90a335/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-10 10:19:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=atm77r7med7gu5aheg4rgjd22765pzpewm5bd6pptpdexk4qum2q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:tuesday persistence rat
Link:
https://tria.ge/reports/220812-qkhbmsdfcp/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
sfcarbotexpl.ddns.net:44850
Unpacked files
SH256 hash:
04d9ffc7ec20fe6a740721b913247ad7fdd7e5e4b33a11f9ef9bc64bab90a335
MD5 hash:
6a8aef8d2e9440ba8e698e8fd331860b
SHA1 hash:
c40815ee36d618d3bc9b8e55671c5535f936fbc4
Link:
https://www.unpac.me/results/92da577f-51fd-473f-ad77-1d7c5e9a2cb7/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/04d9ffc7ec20/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/04d9ffc7ec20fe6a740721b913247ad7fdd7e5e4b33a11f9ef9bc64bab90a335

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe 04d9ffc7ec20fe6a740721b913247ad7fdd7e5e4b33a11f9ef9bc64bab90a335

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2272032/
Cape
Cape
https://www.capesandbox.com/analysis/298229/

Comments


Avatar
zbet commented on 2022-08-12 13:18:40 UTC

url : hxxp://23.95.106.126/230/vbc.exe