MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27d99e06337e063a46cfb61b27c583311fea46bb77b22294407825c9ee1887a0. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 27d99e06337e063a46cfb61b27c583311fea46bb77b22294407825c9ee1887a0
SHA3-384 hash: d8e60f22a7afe307fc55a91252cc8698becb2df6c95bd12d68530a20d97f831a0f2951aeeab6b60de0e021a27a43c891
SHA1 hash: 8f6fc724fa52f311e0b4ab12dcc54c7c6f7538c5
MD5 hash: 82cd04029bbe5b5b71952f9c791fb0e3
humanhash: blossom-lactose-lithium-angel
File name:27-06-2023_ PDF_00233466115969388.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:874'246 bytes
First seen:2023-06-27 11:30:24 UTC
Last seen:2023-06-27 11:31:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 431 x GuLoader)
ssdeep 24576:ZYD0cvp6FB/jIS8DIH+8IXjWFKibzlWCVq8ihRBgJ:mozXW8IXjsFWOq1Q
Threatray 2'130 similar samples on MalwareBazaar
TLSH T1A90523492359EEF7E5D212F8DE321B202CF6560914F5220B27036B6C3F632495A97BF2
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter cocaman
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
296
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
27-06-2023_ PDF_00233466115969388.exe
Verdict:
Malicious activity
Analysis date:
2023-06-27 11:33:36 UTC
Tags:
autoit remcos
Link:
https://app.any.run/tasks/949c4276-5b42-4aca-b50f-922087077530

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/403204/
Detection(s):
SecuriteInfo.com.Trojan.Garf.Gen.7.28194.5458.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/92853/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/649ac8784a3ab977be88fd8e/reports/a5025675-aff0-4641-af62-c509fc1cbbb3/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/27d99e06337e063a46cfb61b27c583311fea46bb77b22294407825c9ee1887a0
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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/46132143-b3e3-4dca-b484-fd19df5ca521
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1262022
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
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 domain / URL
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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/27d99e06337e063a46cfb61b27c583311fea46bb77b22294407825c9ee1887a0/
Threat name:
Win32.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2023-06-27 10:00:12 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=e7mz4brtpyddurwpwynsprmdgep6urv3o6zcffcapas4t3qyq6qa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
18cd3063dcc655b5b9bffc3692d2e2fbc7199ee08e9c6ab01a1d7a6d6b9cc10e
RemcosRAT
4b66b1c337c83ccb79e4862a7a32421fd75a565a59fee1f830d4aae55b64af9a
RemcosRAT
755c5cfdaf13b6a255c3b2015da23ce5e634b0e896e13a95b7fe0a97389c8f0d
RemcosRAT
882a895b320ba323dccd33d6d82e02b4506b7386a91c63c0c505345796352d67
RemcosRAT
a0dc108bb4d6bc2c36acf6f8ad2333cffdff1e2276ddd55eb8225edb6e8c0cd7
RemcosRAT
b41e4528449d3fa1730eca98df0dc9fd9e3683ccfaedf1d72ee2af2899f18db8
RemcosRAT
c37fee102ae48bf968d4b5dc39c907328634deec504300e622b30ed2fc1bf6bb
RemcosRAT
f2b2a8bc43696328f9650d218fe0e57e7c55c0e4799a1f28721b85e37e85eaf4
RemcosRAT
+ 2'120 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/230627-nmpsdseg7z/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
64.112.85.218:4888
Unpacked files
SH256 hash:
e439f02b72a882498d512689f380e1323c4d8342578fe8608e81061cf4a8aee1
MD5 hash:
3d90ab79b9719aded136b7cd437ebb21
SHA1 hash:
dbec6e868a293cb0bd58d35191b1423ab8942384
Link:
https://www.unpac.me/results/8d6e2262-daea-4641-b18d-c38fd59faa77/
Parent samples :
90e38d684c63fee4e5d7bdd16c4409022bf9edfc7cf266b9e49936962ce37b03
24fca3cd8aad055b2284fdf5c0cd73642b88bb19de7c3137361e46529da5b67f
8a2edeef9978d454882bfb233d9cd77505618b854f7899b27aeb095ff8ebb3f4
cc7cb2ebb12103aea621ec7962819aced4680b4322bc213a9257b36c8f2dab3e
cfa0a176bad0046bd498a5a7f5140ca92734b096c541a54acd1b002f228ec47c
22f34cc0b56ea1709b3af15b41b43fc40fca2b77debb8400108d3f517ee2ed4a
607e8a91c76f444784c2cbc1090cf8724d882d9861641a1f6e0de6b2b9401859
2de4a8c16d3643a3c58c63f4e7df2836919316635c05718dac1e474b6eb7fe29
ec61895ef8af01ff00970e46f7ba98c24bf9079d71e09d3c18576f1a9efc93c2
c1955052a26634f3571423dc64d3fd10c55fdb27f29eb3afd292787693ffcf91
4d4f7a1cb34d5309e1c82e7110209c974a08b3e82eaaf7799d7d9a3a176132ca
48860a4eb801109046a591d18809b1ff3e2b658f2a09c6fb36c4948cb88eb939
08ec22dd1d931a9d4194d5e46bc42914e62227c11e9fedce2175fe6a53eb4f92
6bef7c9809b35c7a2111872544e68aa29b8323f5936b6b1122c5f4138cf6e1e8
7e18e5fe9e980c48ad67cc2ce7423e818e15c1256e2ffe4ce85c5cfbd5b30877
5dbc3e721cd340dd80bfa7d0127d920f5f2630aa4b3b3ecfb8d2af9f28f0e208
4fe8bbc88d7a8cc0eec24bd74951f1f00b5127e3899ae53de8dabd6ff417e6db
6b6676267c70fbeb3257f0bb9bce1587f0bdec621238eb32dd9f84b2bcd7e3ea
1ffa8b06cb779360f8c42ccd4527ae3076d25d11b3a90976f04ea430173e9b85
e92f111b8aa01289f72c66585219861e0117c9939de56741cbb234fee55536fe
b69687c4b9aa0c1599840ea90562d3833367e8095addfc725fc2b52fad6ee565
SH256 hash:
27d99e06337e063a46cfb61b27c583311fea46bb77b22294407825c9ee1887a0
MD5 hash:
82cd04029bbe5b5b71952f9c791fb0e3
SHA1 hash:
8f6fc724fa52f311e0b4ab12dcc54c7c6f7538c5
Link:
https://www.unpac.me/results/8d6e2262-daea-4641-b18d-c38fd59faa77/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/27d99e06337e/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/27d99e06337e063a46cfb61b27c583311fea46bb77b22294407825c9ee1887a0

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

File information

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

Malspam

RemcosRAT

zip 20d6b4781904d93104efcdc760eb6809714c3eae777fd098840d54008d301f7f

RemcosRAT

Executable exe 27d99e06337e063a46cfb61b27c583311fea46bb77b22294407825c9ee1887a0

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 20d6b4781904d93104efcdc760eb6809714c3eae777fd098840d54008d301f7f
Cape
Cape
https://www.capesandbox.com/analysis/403204/
  
Dropped by
MD5 02e54d58ef60f52a40e1dff3c5aa756d

Comments