MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3375e8060a51acf467e9659bc9d73ead727bb7cdf0258c0d8d5fa19887658aa. 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 12 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3375e8060a51acf467e9659bc9d73ead727bb7cdf0258c0d8d5fa19887658aa
SHA3-384 hash: 01fac9f39ac42b4fbd2d30a4a9c31819481681ddfef8e2dc8d3531738920227e8eec3b8adc796b3c71c214e6207422aa
SHA1 hash: 2a4a2c3dab2f183bfcf0bf5ca9a9f7163270c1a2
MD5 hash: b641f0a00c12f6f7410f8655734e5641
humanhash: harry-freddie-king-twelve
File name:RUGERCHAI.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'457'152 bytes
First seen:2023-01-23 17:05:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:FZOMOmfi7MJx8iHI9ky8Wq0qY5xpQzj/GgqSX2rgM0NuAYXedSmmZPpNq7I1Y7P+:LOacA8io9kH2xpQ3/pEgVNu46xDq7IEP
Threatray 2'916 similar samples on MalwareBazaar
TLSH T19E65336873E84894E51ACAF85CB26F602308EE27CCF525ED5E6D35B10B371E5505BCAC
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)
File icon (PE):PE icon
dhash icon 00870d1848c4cc20 (27 x RemcosRAT, 6 x Formbook, 1 x NanoCore)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
91.231.84.41:52651

Intelligence

File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
RUGERCHAI.exe
Verdict:
Malicious activity
Analysis date:
2023-01-23 17:09:05 UTC
Tags:
rat remcos trojan
Link:
https://app.any.run/tasks/6b069210-5cc9-4e5c-bd04-6613f5acfed0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/355975/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.30541.20854.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63cebe7b89bd67c10fd980e1/reports/53c749bf-5f50-43a7-b882-a876e94b1e25/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/129a66e6-ac05-4d40-a37b-6128b13d8529
Result
Threat name:
Remcos, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1157219
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected Remcos RAT
Encrypted powershell cmdline option found
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 789956 Sample: RUGERCHAI.exe Startdate: 23/01/2023 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic 2->46 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 11 other signatures 2->52 7 RUGERCHAI.exe 1 5 2->7         started        11 Zlosy.exe 2 2->11         started        13 Zlosy.exe 1 2->13         started        process3 file4 38 C:\Users\user\AppData\Roaming\...\Zlosy.exe, PE32 7->38 dropped 40 C:\Users\user\...\Zlosy.exe:Zone.Identifier, ASCII 7->40 dropped 42 C:\Users\user\AppData\...\RUGERCHAI.exe.log, ASCII 7->42 dropped 54 Encrypted powershell cmdline option found 7->54 56 Injects a PE file into a foreign processes 7->56 15 RUGERCHAI.exe 2 7->15         started        18 powershell.exe 16 7->18         started        20 RUGERCHAI.exe 7->20         started        58 Multi AV Scanner detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 22 powershell.exe 12 11->22         started        24 Zlosy.exe 11->24         started        26 powershell.exe 13 13->26         started        28 Zlosy.exe 13->28         started        30 Zlosy.exe 13->30         started        signatures5 process6 dnsIp7 44 91.231.84.41, 49699, 52651 UKRNAMES-ASUA Ukraine 15->44 32 conhost.exe 18->32         started        34 conhost.exe 22->34         started        36 conhost.exe 26->36         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3375e8060a51acf467e9659bc9d73ead727bb7cdf0258c0d8d5fa19887658aa/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-01-23 17:06:40 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=um3v5adauunm6rt6szm3zhlt5llspo3434bfrqgy2x5btcdwlcva._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
02d7ab6afcf9f15fba169e0d8491499cf27a87fba17a3afd80bd6e5873a9338f
RemcosRAT
34ff7d92c1c335d251ad12780ccc8fb3a10430fc20cfbb0ff55c40128ffe9a81
RemcosRAT
43833d212601474a32c2ea1f5920850c4011bec08a3c2df565231f87043a8318
RemcosRAT
6f40d67d72b406df5af87f9fde49179e16304d31f818502c91258577b9f7548f
RemcosRAT
d828a844f0248f23b180fe4810ac43f49168e2c232f6874b0c33e411586dd4f4
RemcosRAT
f6da498dfc065eb4123c6001d35e387d9591e5ca80908e92285c5dc73a27fa1c
RemcosRAT
+ 2'906 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:kelzy persistence rat
Link:
https://tria.ge/reports/230123-vmd48aec78/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
91.231.84.41:52651
127.0.0.1:52651
10.5.175.21:52651
Unpacked files
SH256 hash:
a3375e8060a51acf467e9659bc9d73ead727bb7cdf0258c0d8d5fa19887658aa
MD5 hash:
b641f0a00c12f6f7410f8655734e5641
SHA1 hash:
2a4a2c3dab2f183bfcf0bf5ca9a9f7163270c1a2
Link:
https://www.unpac.me/results/42681d0b-8bc2-4cb6-9a4d-6a9540c308e2/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a3375e8060a5/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/a3375e8060a51acf467e9659bc9d73ead727bb7cdf0258c0d8d5fa19887658aa

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
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:malware_Remcos_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_VBS_Wscript_Shell
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/355975/

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