MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91591f30fa6c90a96fbb95b72424ce5bfdf1f6342630991bfc69f980086eda14. 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: 15


Intelligence 15 IOCs YARA 1 File information Comments

SHA256 hash: 91591f30fa6c90a96fbb95b72424ce5bfdf1f6342630991bfc69f980086eda14
SHA3-384 hash: 7f21da3df0713f81b3dd5bf9d2bb0be8857f2aac5551bbdcb050e06f086bc4bfaf58507073bd9081f19bbd601a707959
SHA1 hash: a7302138aff2bdd8e1b3635dc38b3726543c263b
MD5 hash: a151f0a53c44165228226f73f42789df
humanhash: fix-india-harry-fillet
File name:price offer Ref SCML-S-704.exe
Download: download sample
Signature RemcosRAT
File size:384'808 bytes
First seen:2023-04-11 06:59:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6e7f9a29f2c85394521a08b9f31f6275 (278 x GuLoader, 44 x RemcosRAT, 40 x VIPKeylogger)
ssdeep 6144:VT4DtsQ8+SSlrveTVNPnjX+P+xLfDeUZk8WnKNMh73/k5cAduFWUfYic+JjmEY:VTB7SxeVNPjX+P+LfNm8WKNMJ/0d0Wyx
Threatray 692 similar samples on MalwareBazaar
TLSH T1598401E03119E466D8A48D34D43F61FA5AA4ED2EF9607D47E3C57F1EBD332E09226242
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 b48ebae2e2dac4c0 (2 x RemcosRAT)
Reporter lowmal3
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-05-13T06:12:22Z
Valid to:2025-05-12T06:12:22Z
Serial number: 0e90ad40c9da14f2d1df0c4f66061cd8cb204aba
Thumbprint Algorithm:SHA256
Thumbprint: d2ceadebf9e40e7f0cb5ec6907e92fa0aa30bc38d3d82e90b36c8f0f85e880ce
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
308
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
price offer Ref SCML-S-704.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 07:01:20 UTC
Tags:
remcos rat keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Creating a window
Searching for the window
Creating a file
Creating a process from a recently created file
Launching a process
Sending an HTTP GET request
Modifying a system file
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
guloader icedid overlay packed shell32.dll
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.
Result
Threat name:
Remcos, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Installs a global keyboard hook
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Obfuscated command line found
Sigma detected: Remcos
Suspicious powershell command line found
Tries to detect Any.run
Very long command line found
Writes to foreign memory regions
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 844423 Sample: price_offer_Ref_SCML-S-704.exe Startdate: 11/04/2023 Architecture: WINDOWS Score: 100 32 googlehosted.l.googleusercontent.com 2->32 34 drive.google.com 2->34 36 doc-08-bc-docs.googleusercontent.com 2->36 48 Multi AV Scanner detection for domain / URL 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 Yara detected GuLoader 2->52 54 3 other signatures 2->54 9 price_offer_Ref_SCML-S-704.exe 7 23 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...behaviorgraphuanay224.Beg, ASCII 9->30 dropped 60 Suspicious powershell command line found 9->60 62 Obfuscated command line found 9->62 13 powershell.exe 12 9->13         started        signatures6 process7 signatures8 64 Very long command line found 13->64 16 powershell.exe 13 13->16         started        19 conhost.exe 13->19         started        process9 signatures10 44 Writes to foreign memory regions 16->44 46 Tries to detect Any.run 16->46 21 ieinstal.exe 3 8 16->21         started        26 ieinstal.exe 16->26         started        process11 dnsIp12 38 185.222.58.245, 2404 ROOTLAYERNETNL Netherlands 21->38 40 drive.google.com 142.250.185.78, 443, 49831 GOOGLEUS United States 21->40 42 googlehosted.l.googleusercontent.com 142.250.186.129, 443, 49832 GOOGLEUS United States 21->42 28 C:\ProgramData\remcos\logs.dat, data 21->28 dropped 56 Tries to detect Any.run 21->56 58 Installs a global keyboard hook 21->58 file13 signatures14
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-04-06 14:02:23 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
12 of 37 (32.43%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost discovery downloader rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
Checks installed software on the system
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
185.222.58.245:2404
Unpacked files
SH256 hash:
91591f30fa6c90a96fbb95b72424ce5bfdf1f6342630991bfc69f980086eda14
MD5 hash:
a151f0a53c44165228226f73f42789df
SHA1 hash:
a7302138aff2bdd8e1b3635dc38b3726543c263b
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

File information


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

Malspam

RemcosRAT

Executable exe 91591f30fa6c90a96fbb95b72424ce5bfdf1f6342630991bfc69f980086eda14

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments