MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b795277d105f23e54cff675b26437ccfa26dd597aa6475978e472843cf994e5c. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
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SHA256 hash: b795277d105f23e54cff675b26437ccfa26dd597aa6475978e472843cf994e5c
SHA3-384 hash: c32cb8e88d0aa70dbb3053eda2bb93213c4263e6a4d27b9747f6721b64b198d6eb1d6cb38d9690fdbf0d88106efe581d
SHA1 hash: f1e13b6d8d3860bd347a18a32ff6060a4cd170ef
MD5 hash: d5e3e9ec4faade0ce02a6357c0579bc6
humanhash: washington-happy-october-undress
File name:d5e3e9ec4faade0ce02a6357c0579bc6.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:946'688 bytes
First seen:2023-05-19 06:44:58 UTC
Last seen:2023-05-20 14:55:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:8Zb/WxoevEbDzMtr6grhSh9v3wwna39Ubd:Cb/WxbvE/8+vgwna3O
Threatray 1'923 similar samples on MalwareBazaar
TLSH T11F15022027E69707D22A437891D2C3F06736ED82A466C30B4FC9BCDFB56E7B56351216
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 RAT RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
284
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
d5e3e9ec4faade0ce02a6357c0579bc6.exe
Verdict:
Malicious activity
Analysis date:
2023-05-19 06:49:04 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/2a34dc97-1b32-40e0-92b0-16f635f52214

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.99510.26821.6290.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed remcos
Link:
https://www.filescan.io/uploads/64671af2e2cab1a0387e3722/reports/f0f898ba-f761-43a0-9800-065073ef2d01/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/b795277d105f23e54cff675b26437ccfa26dd597aa6475978e472843cf994e5c
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/5cc13db5-93c5-4eb9-b375-a4482f9aa3bd
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1236879
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Firefox passwords or cookies
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 869876 Sample: KPE66VL2NF.exe Startdate: 19/05/2023 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 6 other signatures 2->52 8 KPE66VL2NF.exe 3 2->8         started        12 remcos.exe 2 2->12         started        14 remcos.exe 2 2->14         started        16 remcos.exe 2 2->16         started        process3 file4 42 C:\Users\user\AppData\...\KPE66VL2NF.exe.log, ASCII 8->42 dropped 56 Contains functionality to bypass UAC (CMSTPLUA) 8->56 58 Contains functionality to modify clipboard data 8->58 60 Contains functionality to steal Firefox passwords or cookies 8->60 18 KPE66VL2NF.exe 2 4 8->18         started        62 Injects a PE file into a foreign processes 12->62 21 remcos.exe 12->21         started        23 remcos.exe 12->23         started        25 remcos.exe 12->25         started        27 remcos.exe 14->27         started        29 remcos.exe 16->29         started        signatures5 process6 file7 38 C:\ProgramData\Remcos\remcos.exe, PE32 18->38 dropped 40 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 18->40 dropped 31 remcos.exe 3 18->31         started        process8 signatures9 64 Multi AV Scanner detection for dropped file 31->64 66 Machine Learning detection for dropped file 31->66 68 Injects a PE file into a foreign processes 31->68 34 remcos.exe 3 3 31->34         started        process10 dnsIp11 44 45.81.243.246, 2022, 49700, 49701 LVLT-10753US Germany 34->44 54 Installs a global keyboard hook 34->54 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b795277d105f23e54cff675b26437ccfa26dd597aa6475978e472843cf994e5c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-05-18 10:21:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=w6kso7iql4r6kth7m5nsmq34z6rg3vmxvjshlf4oi4ueht4zjzoa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
14fb2daf697ee302647b7d63c26e94f443c9516a5a707b85952b1158e5ffe12a
RemcosRAT
2010a7e1a136a9881ba4db4beb99088ea77ea2997d36e6d1d16fc696b34fda8b
RemcosRAT
32fcd31207c5e310957801fca81578c9dcba9ed3515809f62a7d50d93ad033db
RemcosRAT
3c2ffc42864aba9e07bb8cd494141ea7125a2d24a8717f0cf0a33da8020dbdfb
RemcosRAT
6053c5c3a4202b8c2e6b2f176a99c980233f63024be06b67d3a30e2f0b4470f4
RemcosRAT
cadf95355bd6ea18fdd3555ea3f85d102f40b3df0dc36b332f9ad8b505105f6e
RemcosRAT
edd0bc79de9c5ecb3d4903d20259b356171aa41af2df2a43aad0bf36bda95c7b
RemcosRAT
f07ddc7c081b1106a27590e5497bec74f0d48f18b8c49d17ea57fa3d7d0704d8
RemcosRAT
+ 1'913 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/230519-hh3kssfe75/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
45.81.243.246:2022
Unpacked files
SH256 hash:
45003c16141af09972c59f08b64694f657186c4c07b525cc555dd197b6897954
MD5 hash:
3e2cf71af4315e3383df262aa050a834
SHA1 hash:
e8a3e12b3aee5d598e54abf8e5aaf9e96c37419f
Link:
https://www.unpac.me/results/62c0ba64-cc26-4894-a5a2-17e4cd5476e6/
SH256 hash:
7654311c3fde151b706195df3538f8f0969fdc7788e351d61652c82bc2b3a015
MD5 hash:
90fad0edbf10a4cca37db300eb1f66cc
SHA1 hash:
e965d5fad5477e87e0db6531ac94c3c07a2a1885
Link:
https://www.unpac.me/results/62c0ba64-cc26-4894-a5a2-17e4cd5476e6/
SH256 hash:
16c255190eaaf1b60ec7d07abcac5f614ea197cee2416ca9d01bb563c526c87d
MD5 hash:
fb4ed205b442f470bbf10913128efdcb
SHA1 hash:
9a0a4c5ae429769e3253a9a3daefa24270b87a5b
Link:
https://www.unpac.me/results/62c0ba64-cc26-4894-a5a2-17e4cd5476e6/
Parent samples :
ee57b6fa1e5a3c5ef776b79f32820327bcb3fe1974eeddf65c0eb56131193397
de8c7c543f438af1e7e78096f6873268e9b1a12745edf9c88db07e136163399e
SH256 hash:
48df2b04646d261d10644b725f4867d7913e3294ddf4e141904f5b2b527a0b8d
MD5 hash:
fa2931302c8cc7679a7357d8a78ea9e7
SHA1 hash:
6d33ae716c6991019ab16e61c8b650d2056192b0
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/62c0ba64-cc26-4894-a5a2-17e4cd5476e6/
Parent samples :
b795277d105f23e54cff675b26437ccfa26dd597aa6475978e472843cf994e5c
98e8a76487a5811e1dd8574c08a8b66dc39506044045fc8c994e5d0e533a663c
9f1ee6916ffb1de887fd7f8e9a6c6a23cf588d6498db31e35182bfd5f94fd62a
SH256 hash:
9cd283f7c82134df7d15ab540ac77dbe540eb6f2815a23fe377b8e68e3e252b0
MD5 hash:
07037a3a1773f29fc5f6b4b2933ba1e0
SHA1 hash:
0484beedb6e7b432076f3d99ae9b0dca830c6809
Link:
https://www.unpac.me/results/62c0ba64-cc26-4894-a5a2-17e4cd5476e6/
SH256 hash:
b795277d105f23e54cff675b26437ccfa26dd597aa6475978e472843cf994e5c
MD5 hash:
d5e3e9ec4faade0ce02a6357c0579bc6
SHA1 hash:
f1e13b6d8d3860bd347a18a32ff6060a4cd170ef
Link:
https://www.unpac.me/results/62c0ba64-cc26-4894-a5a2-17e4cd5476e6/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b795277d105f/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/b795277d105f23e54cff675b26437ccfa26dd597aa6475978e472843cf994e5c

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:pe_imphash
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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.

Web download

RemcosRAT

Executable exe b795277d105f23e54cff675b26437ccfa26dd597aa6475978e472843cf994e5c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2425873/
  
Delivery method
Distributed via web download

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