MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1bbea84b63cf309885a3ba7566b738886006cb2153fd5bc17f6d382f03539587. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1bbea84b63cf309885a3ba7566b738886006cb2153fd5bc17f6d382f03539587
SHA3-384 hash: b91525ce28725761a451cefb812b65b5d841dcc2ad05d1e5d3a787e84495c10258836c17ca32724fe2e2a923fd5de705
SHA1 hash: a553cde91ffdfd4f1ff8d4be493acecf950844d1
MD5 hash: f7868816c93b82e6bb881dc01a28fc69
humanhash: fanta-mexico-red-five
File name:Lyalr ebus.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:5'150'720 bytes
First seen:2022-10-31 18:55:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:EE8V6c8yJquIvBqbwTqrE4KfpBrUrUgUJ/3Ua/UUMKRRY/JdudZ7cqGeuhSJl6ZQ:
Threatray 2'116 similar samples on MalwareBazaar
TLSH T19736CCE1ECAAC452F107C9F0D96CF99104B13593EFD90C78032A67449EAAD5DEAC49CE
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 929ada92e8cc3682 (11 x RemcosRAT, 6 x AgentTesla, 3 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
185.156.174.115:32763

Intelligence

File Origin
# of uploads :
1
# of downloads :
381
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Lyalr ebus.exe
Verdict:
Malicious activity
Analysis date:
2022-10-31 18:57:20 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/5f571f1d-1750-408b-9573-15b57ef41e80

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/326554/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
DNS 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:
obfuscated
Link:
https://www.filescan.io/uploads/63601a43a5db8d309cbc11f0/reports/abe9ab45-7504-4e1e-9012-8a8cb0a67f23/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/a6e83143-69c3-4b62-aa78-922c54648bcf
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1101986
Signature
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 734647 Sample: Lyalr ebus.exe Startdate: 31/10/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Yara detected Remcos RAT 2->42 44 4 other signatures 2->44 7 Lyalr ebus.exe 1 5 2->7         started        11 Oqeyttykb.exe 1 2->11         started        13 Oqeyttykb.exe 1 2->13         started        process3 file4 30 C:\Users\user\AppData\...\Oqeyttykb.exe, PE32 7->30 dropped 32 C:\Users\...\Oqeyttykb.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\AppData\...\Lyalr ebus.exe.log, ASCII 7->34 dropped 46 Encrypted powershell cmdline option found 7->46 48 Injects a PE file into a foreign processes 7->48 15 Lyalr ebus.exe 2 7->15         started        18 powershell.exe 16 7->18         started        50 Antivirus detection for dropped file 11->50 52 Machine Learning detection for dropped file 11->52 20 powershell.exe 10 11->20         started        22 powershell.exe 10 13->22         started        signatures5 process6 dnsIp7 36 185.156.174.115, 32763 M247GB Romania 15->36 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started        28 conhost.exe 22->28         started        process8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/1bbea84b63cf309885a3ba7566b738886006cb2153fd5bc17f6d382f03539587/
Threat name:
ByteCode-MSIL.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-10-31 18:56:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=do7kqs3dz4yjrbndxj2wnnzyrbqanszbkp6vxql7nu4c6a2tswdq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
masslogger
Create hunting rule
Similar samples:
1015aaf219bd6c756e9e5224d219ed551795585e383fb4a6d2a566e7c8dabad5
RemcosRAT
346a4ca2e508923bcf0e4c0d73a2ee06d91bd436b8db4981ab9ecb16e6f5110d
RemcosRAT
415f115399ed11ed0e11ebd468d3082bb1d0771c3c663fed23bd481a18a2898f
RemcosRAT
8ca7b7fb5faccbfbb3527570937ccb3b12ab32f95edac422a9f0642f8bbb7802
RemcosRAT
b07f08cbf908eb0d5c93679c8dca8438e4f185a70d675ad79184533dc6b4b262
RemcosRAT
c5fe9955259f76f4b03bd65fd5e146803690d8057d7ef474c3b1b8eec0b1b928
RemcosRAT
e04e4c474ded78364c1f802de5a653e2d495bc1a0ddb78325962778a221970e6
RemcosRAT
eb9f9d5d304acc0c162c922f5a12a80a28e511e536ed3f4b18f7d301a7502640
RemcosRAT
+ 2'106 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:graced persistence rat
Link:
https://tria.ge/reports/221031-xlcacacaf5/
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:
185.156.174.115:32763
127.0.0.1:32763
10.13.93.136:32763
Unpacked files
SH256 hash:
738bd234ba7ed6e5f904cbb3634b1a53d8eb19d57631e676e4883f2792a55cad
MD5 hash:
c5105ac93703b5e9a760759e649d149d
SHA1 hash:
ff119821f95024d9afaee5f1efc1a336aaf757e3
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/f0456958-d2b7-41f9-9ddf-71d60127d2fc/
Parent samples :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 hash:
9446e5b9c5797467ee89908bd64ce5c4255d9c167495c8c742968524b6625adf
MD5 hash:
a28e67a14a6939b197e3003673cf7693
SHA1 hash:
93d1c391bd7b82b3c84a0a178be83f091977ff47
Link:
https://www.unpac.me/results/f0456958-d2b7-41f9-9ddf-71d60127d2fc/
SH256 hash:
1bbea84b63cf309885a3ba7566b738886006cb2153fd5bc17f6d382f03539587
MD5 hash:
f7868816c93b82e6bb881dc01a28fc69
SHA1 hash:
a553cde91ffdfd4f1ff8d4be493acecf950844d1
Link:
https://www.unpac.me/results/f0456958-d2b7-41f9-9ddf-71d60127d2fc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.54
Link:
https://yomi.yoroi.company/submissions/1bbea84b63cf309885a3ba7566b738886006cb2153fd5bc17f6d382f03539587

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: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/326554/

Comments