🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 261db68ba8a04022ee11a91014745c952e443fa07818fe8b9319345fc4556a39. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 261db68ba8a04022ee11a91014745c952e443fa07818fe8b9319345fc4556a39
SHA3-384 hash: 112f0294a10f13cf8a769b3f311d3bfbcd07c7e546af712f34c42a25ea21ac58d2d84f1d944eb3d033b96c5328333941
SHA1 hash: 8e5134ac5f51b07d95ead5a673cbc347ac4665ed
MD5 hash: 09c0458a52c78df06359a84791181802
humanhash: juliet-violet-timing-cat
File name:IMG-WAA-00234857845959375893759375935Fluorspar.exe
Download: download sample
Signature RemcosRAT
File size:847'136 bytes
First seen:2024-02-12 16:52:35 UTC
Last seen:2024-02-12 18:36:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 4ea4df5d94204fc550be1874e1b77ea7 (254 x GuLoader, 32 x RemcosRAT, 26 x VIPKeylogger)
ssdeep 24576:2oB5UqdCA5d8kZhZdyd+qqHvibHrBjrMGDy:2w15dRNrh8vMGDy
Threatray 170 similar samples on MalwareBazaar
TLSH T136051212BBA0D467E3455934C4F9EFB88BB3F8782D6E870369A17B8D376A3246C55310
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) (4504/4/1)
File icon (PE):PE icon
dhash icon 463e7ed6b6b2b262 (1 x RemcosRAT)
Reporter malwarelabnet
Tags:exe GuLoader remcos RemcosRAT signed

Code Signing Certificate

Organisation:Knifer
Issuer:Knifer
Algorithm:sha256WithRSAEncryption
Valid from:2023-06-01T23:57:44Z
Valid to:2026-05-31T23:57:44Z
Serial number: 42042aefaece9d124d11a0db6dabfc2c3efd92e9
Thumbprint Algorithm:SHA256
Thumbprint: bfa6fa6088555ebe314afe25a31c46bd99c4ed3d2f9890a480e3b1d409ac5503
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
2
# of downloads :
399
Origin country :
CA CA
Vendor Threat Intelligence
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the Windows directory
Searching for the window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Result
Threat name:
GuLoader, Remcos
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Installs a global keyboard hook
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Remcos
Sigma detected: Wab/Wabmig Unusual Parent Or Child Processes
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1390976 Sample: IMG-WAA-0023485784595937589... Startdate: 12/02/2024 Architecture: WINDOWS Score: 100 32 geoplugin.net 2->32 34 drive.usercontent.google.com 2->34 36 drive.google.com 2->36 50 Found malware configuration 2->50 52 Antivirus detection for dropped file 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 9 other signatures 2->56 8 IMG-WAA-00234857845959375893759375935Fluorspar.exe 7 52 2->8         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\System.dll, PE32 8->26 dropped 58 Writes to foreign memory regions 8->58 12 wab.exe 4 18 8->12         started        signatures6 process7 dnsIp8 38 67.215.225.208, 2404, 49813, 49814 ASN-QUADRANET-GLOBALUS United States 12->38 40 drive.google.com 142.250.189.206, 443, 49811 GOOGLEUS United States 12->40 42 2 other IPs or domains 12->42 28 C:\Users\user\AppData\Local\Temp\...\Hill.exe, PE32 12->28 dropped 30 C:\Users\user\AppData\Roaming\...\logs.dat, data 12->30 dropped 60 Maps a DLL or memory area into another process 12->60 62 Installs a global keyboard hook 12->62 17 wab.exe 1 12->17         started        20 wab.exe 1 12->20         started        22 wab.exe 2 12->22         started        24 wab.exe 12->24         started        file9 signatures10 process11 signatures12 44 Tries to steal Instant Messenger accounts or passwords 17->44 46 Tries to harvest and steal browser information (history, passwords, etc) 17->46 48 Tries to steal Mail credentials (via file / registry access) 20->48
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2024-02-11 13:08:50 UTC
File Type:
PE (Exe)
Extracted files:
6
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:guloader family:remcos downloader persistence rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
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
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Guloader,Cloudeye
Remcos
Unpacked files
SH256 hash:
bd046e6497b304e4ea4ab102cab2b1f94ce09bde0eebba4c59942a732679e4eb
MD5 hash:
17ed1c86bd67e78ade4712be48a7d2bd
SHA1 hash:
1cc9fe86d6d6030b4dae45ecddce5907991c01a0
SH256 hash:
261db68ba8a04022ee11a91014745c952e443fa07818fe8b9319345fc4556a39
MD5 hash:
09c0458a52c78df06359a84791181802
SHA1 hash:
8e5134ac5f51b07d95ead5a673cbc347ac4665ed
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:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

Comments