MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51303a3cb940ee46abb13f86445224f6fc986d93956c15bf11d6c126d79a5d23. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51303a3cb940ee46abb13f86445224f6fc986d93956c15bf11d6c126d79a5d23
SHA3-384 hash: 2d1143d922f5f6b64586ceab5951ac941e1e6b98dc2bb8fdbe935449f09576d813a2f282d3895719291a0f2f3e840271
SHA1 hash: a2fcb22f476b1b10bf9ae9c9aa464a40ecbefcb7
MD5 hash: 5db67f4cf4d3c7d5070c5052dc96b044
humanhash: early-island-sixteen-beer
File name:SecuriteInfo.com.IL.Trojan.MSILZilla.24344.9265.25013
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'420'736 bytes
First seen:2022-11-24 09:30:23 UTC
Last seen:2022-11-25 13:17:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'477 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:rw4VeQ4VMG8V71Tuo8y49qr955RlJ8Fg0EiL/U3CLbQTbCl+az+Be5Y:rJeVMGc71Tuo8y49qrb5RlJKEUfwvu+e
Threatray 2'256 similar samples on MalwareBazaar
TLSH T1DCB59C33DF9837B48CB7EA45BF17EDEDC805C4EC61AACA8D2059611B8726169219F7C0
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 851a98b4909864c4 (58 x AgentTesla, 43 x Formbook, 34 x RedLineStealer)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
276
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.IL.Trojan.MSILZilla.24344.9265.25013
Verdict:
Malicious activity
Analysis date:
2022-11-24 09:34:50 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/02a09e47-90f5-437c-8bae-d2d86600a521

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/337996/
Detection(s):
SecuriteInfo.com.IL.Trojan.MSILZilla.24344.9265.25013.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/637f39e6c2c8d19cd07c42d6/reports/3f6fc32c-c959-4c09-88e8-d7c6b12f8d24/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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/55a58075-ef0b-411e-8a6d-2b5487fa2199
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1120392
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Sample uses process hollowing technique
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 753109 Sample: SecuriteInfo.com.IL.Trojan.... Startdate: 24/11/2022 Architecture: WINDOWS Score: 100 48 Multi AV Scanner detection for domain / URL 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus detection for URL or domain 2->52 54 8 other signatures 2->54 7 SecuriteInfo.com.IL.Trojan.MSILZilla.24344.9265.25013.exe 1 5 2->7         started        11 Nzzxxmxrrpy.exe 2 2->11         started        13 Nzzxxmxrrpy.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\...36zzxxmxrrpy.exe, PE32 7->36 dropped 38 C:\Users\...38zzxxmxrrpy.exe:Zone.Identifier, ASCII 7->38 dropped 40 SecuriteInfo.com.I....9265.25013.exe.log, ASCII 7->40 dropped 56 Encrypted powershell cmdline option found 7->56 15 SecuriteInfo.com.IL.Trojan.MSILZilla.24344.9265.25013.exe 2 7->15         started        18 powershell.exe 13 7->18         started        58 Antivirus detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 20 powershell.exe 11->20         started        22 Nzzxxmxrrpy.exe 11->22         started        62 Sample uses process hollowing technique 13->62 24 powershell.exe 15 13->24         started        26 Nzzxxmxrrpy.exe 13->26         started        28 Nzzxxmxrrpy.exe 13->28         started        signatures5 process6 dnsIp7 42 185.206.225.51, 18853 M247GB United Kingdom 15->42 44 10.16.225.165, 18853 unknown unknown 15->44 46 127.0.0.1 unknown unknown 15->46 30 conhost.exe 18->30         started        32 conhost.exe 20->32         started        34 conhost.exe 24->34         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/51303a3cb940ee46abb13f86445224f6fc986d93956c15bf11d6c126d79a5d23/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-11-24 09:31:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=keydupfzidxenk5rh6deiure636jq3mtsvwblpyr23asnv42lurq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1b6985a0568fb69f8598bba6ab1b7468768d089fc3b84ca82ff5710530486264
RemcosRAT
346a4ca2e508923bcf0e4c0d73a2ee06d91bd436b8db4981ab9ecb16e6f5110d
RemcosRAT
415f115399ed11ed0e11ebd468d3082bb1d0771c3c663fed23bd481a18a2898f
RemcosRAT
43ee9abd28c74e30fb9f976a611937d082ac0c1772f620e90087f038a406c89c
RemcosRAT
95501eb56a58b849319edc1bbfd21a670f70c6a734aafc4062e66e5fb4f4e6a3
RemcosRAT
c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928
RemcosRAT
fd01d960ca2725e756f9e852045ab8a1d971c8b5881c0883d87f73a8278f79d4
RemcosRAT
+ 2'246 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Link:
https://tria.ge/reports/221124-lg32qaeb38/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Checks computer location settings
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0492b444-7be4-4ef0-9003-f755367b8987
Unpacked files
SH256 hash:
787ef0f77acfda9981cd1c7bbc0343fcae6c72e640df007f60f13b1340afff0d
MD5 hash:
e09d8e9781d05d3e6b6080df8bc9a1c4
SHA1 hash:
effbd05328ce2cefb4d1cb9da63028f63833da36
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/40d91148-a65b-45a0-916b-41ca968cdecf/
Parent samples :
a840e006d53f3fd3916a829a5f830686b64f35c21378cd00be35347d4586a059
e06c3351c0ae004540812cbbf40f04684b011e4bde0524e46085addfd6f712c8
eea4a2987c0850f1c258defc2177cb60ec07a4b13adf82aef9ba3ceecb1553d2
d7264c654056f0fdb63f216aeec7f9fb8d912ff87b89922741f810637a2c51a8
6703b7143d3bf511ee7a8d8f3202c87c6c76689653525e04954f132c34aff3f9
5903351df18ec7eb5de3f2572cb84d18fdbc6e4af800386f4a714285f2ed52aa
74eed520d759e623eda681f601b8a7ceb741088b36f0ad3442f8127a374790c2
f3f99338943e59e1301976550d8f5951e171564ff7b27a726ffedbaf6a96bde9
3fd9f0e8c656dd07a47d042a5e218fcace3a836bdf2f9cdaa4801c88f0ff2f47
0cb0ccd87b7c1c50fdfe7a270cb40ff92376ae47b0394ccf1829dd9130b3a30f
e44bacf6fb23f27328cdb3f6fea5febdfdfab5729c69a024c63040faf1e08baf
e0d3e7932df9715d7e739474f2d4e06dc3c3bfb7bda509c3845bd0cd06302168
05839c4974350e259502d664b4bf0fe2b228db4a95c39f4dc6d19b31414453aa
51303a3cb940ee46abb13f86445224f6fc986d93956c15bf11d6c126d79a5d23
afd3e4f2219c7e1e0d279ed5eb653eac11a37aa59727af4522776d3289d1cb1c
6b10be1005e53ea3c1f150b83f52be54d5141a2fcdbe9a010be26de674451064
SH256 hash:
075ba3475e99377d5fe6dc662349272fd1fd1ca3ba0752c42ebef6a024c44fcd
MD5 hash:
57a04caf7e96ff49b900dde594b09d74
SHA1 hash:
df04c87f142a265d876293284b6f287c60abf69a
Link:
https://www.unpac.me/results/40d91148-a65b-45a0-916b-41ca968cdecf/
SH256 hash:
51303a3cb940ee46abb13f86445224f6fc986d93956c15bf11d6c126d79a5d23
MD5 hash:
5db67f4cf4d3c7d5070c5052dc96b044
SHA1 hash:
a2fcb22f476b1b10bf9ae9c9aa464a40ecbefcb7
Link:
https://www.unpac.me/results/40d91148-a65b-45a0-916b-41ca968cdecf/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/51303a3cb940/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/51303a3cb940ee46abb13f86445224f6fc986d93956c15bf11d6c126d79a5d23

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_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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: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/337996/

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