MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 305e9aa2df19b77ad92b897543e803b5dea0c851b37cf8c9b4e2206282343946. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 305e9aa2df19b77ad92b897543e803b5dea0c851b37cf8c9b4e2206282343946
SHA3-384 hash: e3171c48887c7226eaebff299c97223ebf641f2828d5fd148c8c08224ee400d97a6e772c1f878e80e7a626e15afaa1f2
SHA1 hash: 7c23b14214db0e1ae2bc3dc924c2455aa0e9a403
MD5 hash: 04cdaa297e911cb28e4be4a4f5c2acae
humanhash: high-beer-bluebird-texas
File name:Sasol Nová požiadavka na objednávku.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:7'168 bytes
First seen:2023-02-07 18:55:41 UTC
Last seen:2023-02-07 20:48:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 96:3WIed0mO9VKelqcjDtLr0zY3SI6kRn1YdaKNdw6Ny8HqHzNt:PeNUvFOzYrHRjaB9Hy
Threatray 2'629 similar samples on MalwareBazaar
TLSH T127E1A611B3D84737D9BB4B7A9CB263004338FB50EDA7CF5E2984A62B5C117518A32B71
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
188
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Sasol Nová požiadavka na objednávku.exe
Verdict:
Malicious activity
Analysis date:
2023-02-07 19:10:01 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/5043fb1b-cbb4-4224-a2a3-7d23857372c7

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/361555/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.65396136.1737.7620.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
60%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/63e29ec4696b2d97257585e6/reports/144d76f5-79d7-4b1b-8663-2bf3e5ee4ae3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/305e9aa2df19b77ad92b897543e803b5dea0c851b37cf8c9b4e2206282343946
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/6df321d4-ba8d-43d9-a8c5-887ec59caf74
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1168106
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Snort IDS alert for network traffic
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 800888 Sample: Sasol Nov#U00e1 po#U017eiad... Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 Antivirus detection for URL or domain 2->51 53 10 other signatures 2->53 7 Sasol Nov#U00e1 po#U017eiadavka na objedn#U00e1vku.exe 16 7 2->7         started        12 Jlwjqfef.exe 3 2->12         started        14 Jlwjqfef.exe 14 4 2->14         started        process3 dnsIp4 45 transfer.sh 144.76.136.153, 443, 49689, 49692 HETZNER-ASDE Germany 7->45 35 C:\Users\user\AppData\...\Jlwjqfef.exe, PE32 7->35 dropped 37 C:\Users\...\Jlwjqfef.exe:Zone.Identifier, ASCII 7->37 dropped 39 Sasol Nov#U00e1 po...dn#U00e1vku.exe.log, ASCII 7->39 dropped 55 Encrypted powershell cmdline option found 7->55 57 Writes to foreign memory regions 7->57 59 Allocates memory in foreign processes 7->59 16 aspnet_compiler.exe 2 14 7->16         started        19 powershell.exe 16 7->19         started        61 Injects a PE file into a foreign processes 12->61 21 powershell.exe 12->21         started        23 aspnet_compiler.exe 12->23         started        63 Multi AV Scanner detection for dropped file 14->63 65 Machine Learning detection for dropped file 14->65 25 powershell.exe 14->25         started        27 aspnet_compiler.exe 14->27         started        file5 signatures6 process7 dnsIp8 41 obologs.work.gd 185.156.175.35, 34346, 49690 M247GB Romania 16->41 43 geoplugin.net 178.237.33.50, 49691, 80 ATOM86-ASATOM86NL Netherlands 16->43 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 25->33         started        process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/305e9aa2df19b77ad92b897543e803b5dea0c851b37cf8c9b4e2206282343946/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2023-02-07 09:07:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
19 of 26 (73.08%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gbpjviw7dg3xvwjlrf2uh2adwxpkbscrwn6prsnu4iqgfaruhfda._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
032f8672b774c3a0edd3b84b0f809e1901319a2b0a4a60704e75f92bdac4f7bb
RemcosRAT
03541b2cf3bf022eda584b9ead6b6edeb7a47e8ccaa99b2415ee56694c9868cb
RemcosRAT
08bc96eb8f857b9e84b4536d96ddb85e8be8329f8572b8b91d4d645e79a84ccc
RemcosRAT
23dd65161a7f297125c40f5c9e12d9c0bc9c314021a74de9d47ec8bc13146b18
RemcosRAT
3a20e81b1f0bf0699007470e5a8e2a9a0d6507ea99696f0df9bd99b80910d656
RemcosRAT
69b7150f7be7cfd685c50328e9554d28d99e9f7babdf19eb10ea350a3658f2ac
RemcosRAT
7e82cf496170e81178aa01bb117531aaf096b2ee9797e5d82e6e141ad550c0ef
RemcosRAT
9846c8ffd0aec6ff3c8b8db350032e4d9586ac6aa22b06944672c837d3bbcf28
RemcosRAT
e876ad440761c60b772b110b7e6f08c4e156ebdb17d78c55aa4594edc65ff78a
RemcosRAT
+ 2'619 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/230207-xlck4sdc59/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:34346
Unpacked files
SH256 hash:
305e9aa2df19b77ad92b897543e803b5dea0c851b37cf8c9b4e2206282343946
MD5 hash:
04cdaa297e911cb28e4be4a4f5c2acae
SHA1 hash:
7c23b14214db0e1ae2bc3dc924c2455aa0e9a403
Link:
https://www.unpac.me/results/f5fd1e86-edd5-4094-9b4b-fda0f30397fb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.55
Link:
https://yomi.yoroi.company/submissions/305e9aa2df19b77ad92b897543e803b5dea0c851b37cf8c9b4e2206282343946

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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.

Malspam

RemcosRAT

Executable exe 305e9aa2df19b77ad92b897543e803b5dea0c851b37cf8c9b4e2206282343946

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/361555/

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