MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 280d070644a6fef2f149ff79f5125c149d8b287f7debd7c30750a67231866d1d. 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 1 File information Comments 1

SHA256 hash: 280d070644a6fef2f149ff79f5125c149d8b287f7debd7c30750a67231866d1d
SHA3-384 hash: 1a5291b8676b9876f326c8fadb8f6ba76b9d1f6dc3373f3ddee4b71678a6208c989909c073122d554d91e9fabcbeeb58
SHA1 hash: a0715c95a777991e8fddea691f0a7b107aa30afd
MD5 hash: e9eff6be5307ef851e42c748cea938bc
humanhash: skylark-monkey-seventeen-fillet
File name:RFQ 8842972123.exe
Download: download sample
Signature RemcosRAT
File size:412'480 bytes
First seen:2023-08-01 06:16:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d4b94e8ee3f620a89d114b9da4b31873 (90 x GuLoader, 18 x njrat, 9 x RemcosRAT)
ssdeep 6144:WqaFH+9PxXuwEhCfU83t0fLBBsFTqoi0upDKmw0u3TIR+f9yTpbkIS+KuPilQ:W5WxXomqTBB+Tkz1WTIR+9ymITKuPilQ
Threatray 1'471 similar samples on MalwareBazaar
TLSH T1FB941243B682F15FC76582B819B5D99BC7EEAC4CBC2326021394379D7C72A54CB8E352
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 c8c8c0d86466b848 (1 x RemcosRAT, 1 x GuLoader)
Reporter lowmal3
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-05-11T03:32:20Z
Valid to:2026-05-10T03:32:20Z
Serial number: 6d5ac0b8de72c98e8a32230763bf72093b7bcf39
Thumbprint Algorithm:SHA256
Thumbprint: 463509d3c9251420bd72a4fddb5c15dfd62b97362fcbc92e8449402be5c79aa9
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
1
# of downloads :
301
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RFQ 8842972123.exe
Verdict:
Suspicious activity
Analysis date:
2023-08-01 06:18:05 UTC
Tags:
n/a

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

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a file
Delayed reading of the file
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed shell32
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:
GuLoader, Remcos
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to modify clipboard data
Detected unpacking (changes PE section rights)
Found malware configuration
Installs a global keyboard hook
Maps a DLL or memory area into another process
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)
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)
Yara detected GuLoader
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1283538 Sample: RFQ_8842972123.exe Startdate: 01/08/2023 Architecture: WINDOWS Score: 100 30 geoplugin.net 2->30 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 7 other signatures 2->50 8 RFQ_8842972123.exe 3 38 2->8         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\System.dll, PE32 8->26 dropped 52 Detected unpacking (changes PE section rights) 8->52 54 Contains functionality to modify clipboard data 8->54 56 Tries to detect Any.run 8->56 12 RFQ_8842972123.exe 3 15 8->12         started        signatures6 process7 dnsIp8 32 139.99.92.47, 49959, 80 OVHFR Canada 12->32 34 69.61.31.254, 2404, 49960, 49961 GLOBALCOMPASSUS United States 12->34 36 geoplugin.net 178.237.33.50, 49962, 80 ATOM86-ASATOM86NL Netherlands 12->36 28 C:\ProgramData\remcos\logs.dat, data 12->28 dropped 58 Tries to detect Any.run 12->58 60 Maps a DLL or memory area into another process 12->60 62 Installs a global keyboard hook 12->62 17 RFQ_8842972123.exe 1 12->17         started        20 RFQ_8842972123.exe 1 12->20         started        22 RFQ_8842972123.exe 1 12->22         started        24 27 other processes 12->24 file9 signatures10 process11 signatures12 38 Tries to steal Instant Messenger accounts or passwords 17->38 40 Tries to steal Mail credentials (via file / registry access) 17->40 42 Tries to harvest and steal browser information (history, passwords, etc) 24->42
Threat name:
Win32.Trojan.NsisInject
Status:
Malicious
First seen:
2023-08-01 06:05:35 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat spyware stealer
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 QEMU agent file
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
69.61.31.254:2404
Unpacked files
SH256 hash:
e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
MD5 hash:
ee260c45e97b62a5e42f17460d406068
SHA1 hash:
df35f6300a03c4d3d3bd69752574426296b78695
SH256 hash:
280d070644a6fef2f149ff79f5125c149d8b287f7debd7c30750a67231866d1d
MD5 hash:
e9eff6be5307ef851e42c748cea938bc
SHA1 hash:
a0715c95a777991e8fddea691f0a7b107aa30afd
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 280d070644a6fef2f149ff79f5125c149d8b287f7debd7c30750a67231866d1d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments



Avatar
Kasibe commented on 2023-08-01 06:27:15 UTC

GuLoader