MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8453736e80df77744f2e82871bbfd9dcc62f166f5ed37e3f9e1e01a98bcef6e4. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments

SHA256 hash: 8453736e80df77744f2e82871bbfd9dcc62f166f5ed37e3f9e1e01a98bcef6e4
SHA3-384 hash: 19c5da7cf8b4332d8a2094283df47af1cec23bd1bd6fa039a6d931a18893194d362fda1c8c8244afb3c8606101fcd59a
SHA1 hash: 226cc82375b5705fa1f70192110999a92e72c645
MD5 hash: e5f9fff610aaa0d3467e47a12dac32db
humanhash: music-sierra-helium-magazine
File name:UPDATED SOA.exe
Download: download sample
Signature RemcosRAT
File size:542'528 bytes
First seen:2023-02-09 14:54:29 UTC
Last seen:2023-02-13 07:08:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:vYZC/DVA/1U0S+S8Z1D8LAJibjj731SGa/rf1Q:vYZyDSNUV+SwDEAAbjP31q1Q
Threatray 2'619 similar samples on MalwareBazaar
TLSH T1AFB4237935B181E7DBE367764F3741254AA8DC26A075E20F27802E3EB033161A55EFA3
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 James_inthe_box
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
7
# of downloads :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
UPDATED SOA.exe
Verdict:
Malicious activity
Analysis date:
2023-02-09 14:56:36 UTC
Tags:
rat remcos

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

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed remcos 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:
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Delayed program exit found
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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: Remcos
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-02-09 14:53:49 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
45.87.61.104:3033
Unpacked files
SH256 hash:
b201d9c6a3a0c85acbf87df1bdc9d1377f389867e7807b7cece516b9ad6efa7b
MD5 hash:
81f312e7bff302bf19673c4c6fa3c629
SHA1 hash:
1a377e3106aedee5bbf12539592d8114586b010b
SH256 hash:
8453736e80df77744f2e82871bbfd9dcc62f166f5ed37e3f9e1e01a98bcef6e4
MD5 hash:
e5f9fff610aaa0d3467e47a12dac32db
SHA1 hash:
226cc82375b5705fa1f70192110999a92e72c645
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:iexplorer_remcos
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Remcos_b296e965
Author:Elastic Security
Rule name:win_remcos_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information


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

Malspam

RemcosRAT

Executable exe 8453736e80df77744f2e82871bbfd9dcc62f166f5ed37e3f9e1e01a98bcef6e4

(this sample)

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