MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1a0b3222046f0838c8a536e376b898b6c97cdb821aaebae4f9ed0dc9eeb23b7c. 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 3 File information Comments

SHA256 hash: 1a0b3222046f0838c8a536e376b898b6c97cdb821aaebae4f9ed0dc9eeb23b7c
SHA3-384 hash: 612c06453962b46eb35b4c09c8e271d884f8159c5d19b7671c1dd319f626b9d0ad92fc3a1a2af90b843f1530b9132211
SHA1 hash: 5998e3797d80bc190ea7dacea5ebff4bdfca774d
MD5 hash: 3fe590be88d8bc906189b042eb818c4c
humanhash: harry-hamper-apart-snake
File name:Guisarme1.exe
Download: download sample
Signature RemcosRAT
File size:234'568 bytes
First seen:2023-04-03 14:14:25 UTC
Last seen:2023-04-04 06:12:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 6144:i1kalCH9IWq8IC1CPWdM1DbpzZreOo0RyZ+XzWtf:i1oH9IWq8IC8Pk8pNKOo9+je
TLSH T1EA34129277D4C4A3EED346318FF3B7B6D4B663911922501F2E741F826B22383971A369
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 lowmal3
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-03-14T03:06:42Z
Valid to:2026-03-13T03:06:42Z
Serial number: 12f35e51fc22794743270859ef28f1fe7dfb5132
Thumbprint Algorithm:SHA256
Thumbprint: 47d537fead731204dd385fea112cc0a4a0755065c790ccb8e55a70edcfabf1f7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
3
# of downloads :
268
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Guisarme1.exe
Verdict:
Suspicious activity
Analysis date:
2023-04-03 14:16:04 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
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Delayed reading of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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:
84 / 100
Signature
C2 URLs / IPs found in malware configuration
Installs a global keyboard hook
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect Any.run
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Tedy
Status:
Malicious
First seen:
2023-04-03 13:54:54 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost downloader rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
172.93.166.85:2404
Unpacked files
SH256 hash:
5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
MD5 hash:
7399323923e3946fe9140132ac388132
SHA1 hash:
728257d06c452449b1241769b459f091aabcffc5
SH256 hash:
1a0b3222046f0838c8a536e376b898b6c97cdb821aaebae4f9ed0dc9eeb23b7c
MD5 hash:
3fe590be88d8bc906189b042eb818c4c
SHA1 hash:
5998e3797d80bc190ea7dacea5ebff4bdfca774d
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
Rule name:Suspicious_Macro_Presence
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

File information


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

Malspam

RemcosRAT

Executable exe 1a0b3222046f0838c8a536e376b898b6c97cdb821aaebae4f9ed0dc9eeb23b7c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments