MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3b189de40e32305a83993fcda0d13f3a84200cd06e7d9549323940c603bff22. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3b189de40e32305a83993fcda0d13f3a84200cd06e7d9549323940c603bff22
SHA3-384 hash: 71ff1cfca67f32192d5a73f8993de33766854b19350239518c5c2c08e0e477899de0d8d406cf8ae9f808235aaddac1e8
SHA1 hash: 7e12eece3eeaa26d150699f1757fcdf040340bfd
MD5 hash: 5ba3d0a070e449f83a6121d01e258eac
humanhash: spaghetti-sixteen-football-pennsylvania
File name:DATA SHEET.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:256'544 bytes
First seen:2023-07-31 06:42:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7c2c71dfce9a27650634dc8b1ca03bf0 (160 x Loki, 58 x Formbook, 55 x Adware.Generic)
ssdeep 6144:hQLFhcJhJG6SP+He5Stt9kGFI3Ygutic8cHn111Y9FOpdjyqmg0:KFaJu6Sqe5bLSic8O11Y9wHjyX
Threatray 837 similar samples on MalwareBazaar
TLSH T1DC44126A1AD0D4F2DF26CAB07EBD4F1BAFB441150AB0570723812A993C5A6C36F1F917
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 db39282d4bd4d494 (5 x RemcosRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-08-24T02:15:19Z
Valid to:2025-08-23T02:15:19Z
Serial number: 3d2425d746265467c08a38c828413382c3d11f28
Thumbprint Algorithm:SHA256
Thumbprint: b8b122295dc0a831a6f2eb9db55d15e0b4e86ded19d7471cb343e56427a92e04
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
278
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DATA SHEET.exe
Verdict:
Malicious activity
Analysis date:
2023-07-31 06:45:13 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/1d74a46d-0386-4b79-a8ba-9914368cc581

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Create hunting rule
Link:
https://www.capesandbox.com/analysis/439286/
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the Windows subdirectories
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control guloader lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64c757f7907b8030b17d128a/reports/da9584ee-38b7-4e05-b2b7-a30c0679551e/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b3b189de40e32305a83993fcda0d13f3a84200cd06e7d9549323940c603bff22
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:
Unknown
Link:
https://analyze.intezer.com/analyses/2204d35e-8dfa-4300-8650-281bf85932d8
Result
Threat name:
GuLoader, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1282916
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found malware configuration
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3b189de40e32305a83993fcda0d13f3a84200cd06e7d9549323940c603bff22/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-07-31 06:43:05 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=woyytxsa4mrqlkbzsp6nudit6oueeagna3t5sveteokayyb374ra._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
cloudeye
Create hunting rule
Similar samples:
04e37487ffb37eae4b2c7afc8d932dd002549c4d6e276a51327de2606dbad9f5
RemcosRAT
36cf6ced1c9832ffb8bea522b7683ef40a540eb70a4202c0df752b758d31025b
RemcosRAT
4d6ae0a40fcc30fab170c3e70dd5076253ddf9fa6ec0886d39cffbd9df99ae52
RemcosRAT
60cb144c7f4433013b373b1ca8704cee48c8f1e8417a4ca520e2386e4d3ea8cd
RemcosRAT
7ff9229b5afe787068eeaf3fd2b5e9899560366f11cff76ee2800a042379b884
RemcosRAT
a0dc108bb4d6bc2c36acf6f8ad2333cffdff1e2276ddd55eb8225edb6e8c0cd7
RemcosRAT
acf25f959cbb9c5ce26c16792b997f3bdd28927bd23614e466a4bbf2a0322029
RemcosRAT
c4a1a8af4c1336e8e69e1914959cbf3bc4bfe5221639a163244d19fd60e8af19
RemcosRAT
+ 827 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost discovery downloader rat
Link:
https://tria.ge/reports/230731-hhg9vsda37/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks installed software on the system
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
96.44.132.182:2404
Unpacked files
SH256 hash:
ac9dfe3b35ea4b8932536ed7406c29a432976b685cc5322f94ef93df920fede7
MD5 hash:
0063d48afe5a0cdc02833145667b6641
SHA1 hash:
e7eb614805d183ecb1127c62decb1a6be1b4f7a8
Link:
https://www.unpac.me/results/b6b23046-3164-4a1a-85e0-c57ad0f9379a/
Parent samples :
5312214b15330113f6eab71565e1e3c7d1ee3b59daa6703c271aaf3b192e6809
02fca6ef5d9d8b1eb29f7ac8ea0573b504ea7f06c215e091791653b40fe1329a
cc53accc69b32c2507210ea70d1d56aa84dbe354a7f79577df180179ea797427
045a7318a9e2e550208c0c7e9fc805068df19fa73823ac3acaa049a46c4045ee
f2a883a0e4b01c72b0f063df3be5a0102e5c8fbaedc39c8d35c632b200599283
dffefbde27442b9095388b1871ffdc101c430b9a814138be4f962328a5b73fde
e0fb60da371912c158861c9660632d58e45cfcff12351cc9e03f497f319eb5de
904f69a4bed3844273cce1676e8920794815af4c1527e560bbc1bc44b5b8457a
SH256 hash:
b3b189de40e32305a83993fcda0d13f3a84200cd06e7d9549323940c603bff22
MD5 hash:
5ba3d0a070e449f83a6121d01e258eac
SHA1 hash:
7e12eece3eeaa26d150699f1757fcdf040340bfd
Link:
https://www.unpac.me/results/b6b23046-3164-4a1a-85e0-c57ad0f9379a/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3b189de40e3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Ins_NSIS_Buer_Nov_2020_1
Create hunting rule
Author:Arkbird_SOLG
Description:Detect NSIS installer used for Buer loader
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

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

Malspam

RemcosRAT

Executable exe b3b189de40e32305a83993fcda0d13f3a84200cd06e7d9549323940c603bff22

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/439286/

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