MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1d0a51787f8726c44aa40f88422d01f084c4e533c2f190f4aef1696f9fd600d9. 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: 16


Intelligence 16 IOCs YARA 8 File information Comments

SHA256 hash: 1d0a51787f8726c44aa40f88422d01f084c4e533c2f190f4aef1696f9fd600d9
SHA3-384 hash: 84e5c720ff071a26c3dbe9689528ecd707a516bf79126eca71c395300cd40f6d25f8d9a6c3f600df390eba8bfabb4835
SHA1 hash: c0f253fae57c006f3be56b098f2785f5d9495d4d
MD5 hash: fe591810a3e0165d06827d9d492688d5
humanhash: ceiling-winter-september-sixteen
File name:SOA_0209202_pdf.exe
Download: download sample
Signature RemcosRAT
File size:1'495'040 bytes
First seen:2023-03-29 09:29:45 UTC
Last seen:2023-03-29 09:35:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:K12zVZ97yv6NYzSXbmzDZqlPuQsGzUlNuTOI7UlN4Y4J8BngTf+TSi:KAR37aFSLmzFqlPuczyPI78mTf+Wi
TLSH T172659DC9D0C071BBD61F037685A1F632E11FAED5DAE1998DB4E83CA7B6BB254001AD07
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon a2c4c2c2c284e0d6 (1 x RemcosRAT, 1 x SnakeKeylogger)
Reporter cocaman
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
262
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
SOA_0209202_pdf.exe
Verdict:
Malicious activity
Analysis date:
2023-03-29 09:32:40 UTC
Tags:
remcos

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Result
Verdict:
UNKNOWN
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.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 837075 Sample: SOA_0209202_pdf.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 48 Malicious sample detected (through community Yara rule) 2->48 50 Sigma detected: Scheduled temp file as task from temp location 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 8 other signatures 2->54 7 SOA_0209202_pdf.exe 7 2->7         started        11 QuBiob.exe 5 2->11         started        process3 file4 34 C:\Users\user\AppData\Roaming\QuBiob.exe, PE32 7->34 dropped 36 C:\Users\user\...\QuBiob.exe:Zone.Identifier, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmp3FD7.tmp, XML 7->38 dropped 40 C:\Users\user\...\SOA_0209202_pdf.exe.log, ASCII 7->40 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 7->56 58 Adds a directory exclusion to Windows Defender 7->58 60 Injects a PE file into a foreign processes 7->60 13 SOA_0209202_pdf.exe 2 13 7->13         started        16 powershell.exe 21 7->16         started        18 powershell.exe 21 7->18         started        24 2 other processes 7->24 62 Contains functionality to bypass UAC (CMSTPLUA) 11->62 64 Machine Learning detection for dropped file 11->64 66 Contains functionality to steal Chrome passwords or cookies 11->66 68 2 other signatures 11->68 20 schtasks.exe 1 11->20         started        22 QuBiob.exe 11->22         started        signatures5 process6 dnsIp7 42 45.128.234.54, 49700, 56932 RACKTECHRU United Kingdom 13->42 44 127.0.0.1 unknown unknown 13->44 46 geoplugin.net 178.237.33.50, 49701, 80 ATOM86-ASATOM86NL Netherlands 13->46 26 conhost.exe 16->26         started        28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 24->32         started        process8
Threat name:
Win32.Trojan.Casdet
Status:
Malicious
First seen:
2023-03-29 09:05:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
127.0.0.1:56932
45.128.234.54:56932
Unpacked files
SH256 hash:
49bb3731d7ec299a33f611c9a8b13f6aea6c0be9e09d0f6ac2d1d91b489d6d98
MD5 hash:
e5cb4130fbdaaf5e0ef1d0e65cd00f2c
SHA1 hash:
d6e4c935f7cc91a0c5cc48bde5c09fbe67c20aed
SH256 hash:
b4b190818a658f0b64f5aa6d39e901e9d731bf1f58fa072b4c73120a96489bdb
MD5 hash:
3c6f8b2e78f5ebf58c4f170b30c04607
SHA1 hash:
c0ee09a1a9d1c673ad7eadabab7de44ebe0ff765
SH256 hash:
d06df7395d561e198f9b7c5481567116ff2e4c2e84437c018d2a2c8ea6c4ca37
MD5 hash:
0fb6061f7d37424fb9e6d0e76b019c19
SHA1 hash:
98a64bf7b459f032d6ec5793003bf61b5ae1dd74
SH256 hash:
a9324b87639fbe6844f6add9fd49e9e6dcfd6d472beddaadf2056e1623a9e773
MD5 hash:
d156609c1dfab86c24f9f0934488d285
SHA1 hash:
54180cc33f0817d5292b1735c9aea9abc1e54145
Detections:
Remcos win_remcos_auto
SH256 hash:
9497d3748d90d9b3a79496e944343997b422f23b754f3375d5ef122b33f76ea9
MD5 hash:
ba0ac3a220a9cbe703c36d855a327125
SHA1 hash:
0724172701ac8d785f9fd04003b63becfff7bffe
SH256 hash:
1d0a51787f8726c44aa40f88422d01f084c4e533c2f190f4aef1696f9fd600d9
MD5 hash:
fe591810a3e0165d06827d9d492688d5
SHA1 hash:
c0f253fae57c006f3be56b098f2785f5d9495d4d
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:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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 1d0a51787f8726c44aa40f88422d01f084c4e533c2f190f4aef1696f9fd600d9

(this sample)

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