MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8846304960a451a7b25b41886c816e5b5f4decfece3de1e76f40765df9432b7. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c8846304960a451a7b25b41886c816e5b5f4decfece3de1e76f40765df9432b7
SHA3-384 hash: d012b255b869d3d6ec146bf8e03d34ab58f90a4cd0a60abde6590135e680690f025b4e017eb19c1791ecd4b3e1256052
SHA1 hash: 13a7dd2780256079b123af6030125034de5c5f9a
MD5 hash: 37296854d9dd421798a83364051568d7
humanhash: uranus-freddie-november-cup
File name:Citibank Singapore Payment _Swift_copy.bat
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:18'944 bytes
First seen:2023-09-04 06:03:51 UTC
Last seen:2023-09-04 06:38:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 384:WxHgkRUnEyrHPJubnkT3us4xufS0uz3a6+Uk/FaXs/vTrTuIg2:aCECHPWnkT3rCLvz3EF/7W32
Threatray 2'686 similar samples on MalwareBazaar
TLSH T16A823A18EA9CD523C6BD8A7DB4D3168512B5A73BB0A3E35F8D9CA25119533C089C1FF2
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 adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
274
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Citibank Singapore Payment _Swift_copy.bat
Verdict:
Malicious activity
Analysis date:
2023-09-04 06:08:04 UTC
Tags:
rat remcos remote stealer
Link:
https://app.any.run/tasks/588ede5c-3057-4401-9e55-a291799cd432

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/445935/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.745.14184.11060.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control lolbin masquerade packed
Link:
https://www.filescan.io/uploads/64f573592a262962b792672b/reports/59cfbd46-4792-46e0-b763-ed004c1a2e6e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/c8846304960a451a7b25b41886c816e5b5f4decfece3de1e76f40765df9432b7
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/41877fa2-d06f-493f-ba9e-d2e7bd6869d8
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1302620
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
Contains functionality to modify clipboard data
Found malware configuration
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample has a suspicious name (potential lure to open the executable)
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1302620 Sample: Citibank_Singapore_Payment_... Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 12 other signatures 2->51 7 Citibank_Singapore_Payment__Swift_copy.bat.exe 16 5 2->7         started        12 Vppbuqqwcfp.exe 14 5 2->12         started        14 Vppbuqqwcfp.exe 2->14         started        process3 dnsIp4 39 qu.ax 45.95.232.89, 443, 49733, 49737 RHC-HOSTINGGB Russian Federation 7->39 33 C:\Users\user\AppData\...\Vppbuqqwcfp.exe, PE32 7->33 dropped 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->59 61 Writes to foreign memory regions 7->61 63 Injects a PE file into a foreign processes 7->63 16 MSBuild.exe 3 13 7->16         started        65 Antivirus detection for dropped file 12->65 67 Multi AV Scanner detection for dropped file 12->67 69 Machine Learning detection for dropped file 12->69 20 MSBuild.exe 12->20         started        22 MSBuild.exe 14->22         started        file5 signatures6 process7 dnsIp8 35 172.96.14.58, 49734, 49735, 9181 UNREAL-SERVERSUS Canada 16->35 37 geoplugin.net 178.237.33.50, 49736, 80 ATOM86-ASATOM86NL Netherlands 16->37 41 Contains functionality to modify clipboard data 16->41 43 Maps a DLL or memory area into another process 16->43 24 MSBuild.exe 1 16->24         started        27 MSBuild.exe 2 16->27         started        29 MSBuild.exe 1 16->29         started        31 MSBuild.exe 16->31         started        signatures9 process10 signatures11 53 Tries to steal Instant Messenger accounts or passwords 24->53 55 Tries to steal Mail credentials (via file / registry access) 24->55 57 Tries to harvest and steal browser information (history, passwords, etc) 27->57
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c8846304960a451a7b25b41886c816e5b5f4decfece3de1e76f40765df9432b7/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-08-31 03:55:34 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
21 of 36 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zccggbewbjcru6zfwqminsaw4w27jxwp5tr54htw6qdwlx4ugk3q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
06f04dab2e4bc0b0b1b876206bc111e71002eae688e45f3ee772a8f71ae39a96
RemcosRAT
180f09c1346f69b5273a595bac15a705cf4a5d15b3699742baf292a5e81050ed
RemcosRAT
2470f5cd9fcdd5fee479668698bb2b5d09e8319caf8ead338a8c776dba14064b
RemcosRAT
2d12bedd8d6cee6c6fbee5ccb9d7dd25fc6693d9d6a7a0207104f94b681b55aa
RemcosRAT
2f6f8d08fcf273fa79b7a13d3b24d4f71bbc9f2fdf6965afd737ccc0d5316429
RemcosRAT
3f0f7847996e9d8ef9f875c1c20dafd17ecb2a3eee860b2d08ac5eabab631b4d
RemcosRAT
4b66b1c337c83ccb79e4862a7a32421fd75a565a59fee1f830d4aae55b64af9a
RemcosRAT
7fd1e285f1e5ce2a63513d7122f54b4c02bec1645aab6ae3b74139a60805bd4c
RemcosRAT
f1373d2222e6c4e03e857f401e582261f0530520e8fe2d6a325743ef73ee9a26
RemcosRAT
+ 2'676 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat
Link:
https://tria.ge/reports/230904-gsljlaee92/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
172.96.14.58:9181
Unpacked files
SH256 hash:
c8846304960a451a7b25b41886c816e5b5f4decfece3de1e76f40765df9432b7
MD5 hash:
37296854d9dd421798a83364051568d7
SHA1 hash:
13a7dd2780256079b123af6030125034de5c5f9a
Link:
https://www.unpac.me/results/52a59485-38dd-425e-b192-09836d5964d1/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c8846304960a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c8846304960a451a7b25b41886c816e5b5f4decfece3de1e76f40765df9432b7

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
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 c8846304960a451a7b25b41886c816e5b5f4decfece3de1e76f40765df9432b7

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/445935/

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