MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 979b67124f30f347688897010f34abf0467a67516ba011c9601cf06a14be0432. 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: 18


Intelligence 18 IOCs YARA 15 File information Comments 1

SHA256 hash: 979b67124f30f347688897010f34abf0467a67516ba011c9601cf06a14be0432
SHA3-384 hash: 03c3d2470458aa733738b0c878bde7b0b41beec1e5d9aa0ee0d02b92a9d8ca4c2f580bf233b2e27cd2212e4bd8635278
SHA1 hash: f6953b3ae9173fd8a4ed4c68b61b1ec184da4a81
MD5 hash: 246ba2f9ceb20a58fe5c16540ba7ad2b
humanhash: potato-black-bluebird-lion
File name:246ba2f9ceb20a58fe5c16540ba7ad2b
Download: download sample
Signature RemcosRAT
File size:491'700 bytes
First seen:2023-07-05 04:30:57 UTC
Last seen:2023-07-05 05:29:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:/YJLmY4+OriSeVWUK13KJXM0lyNm7H5fOaI+9XvLpIjo:/YJLmY49l+XvlEm7H2+VNIE
Threatray 371 similar samples on MalwareBazaar
TLSH T1EDA423E1F298C052FA534F742C7C2EE46EF549322D8D971377606BA928631E2DC2E758
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 zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
286
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
246ba2f9ceb20a58fe5c16540ba7ad2b
Verdict:
Malicious activity
Analysis date:
2023-07-05 04:31:48 UTC
Tags:
rat remcos stealer keylogger

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 file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending an HTTP GET request
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Stealing user critical data
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control lolbin overlay packed remcos 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:
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
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
Snort IDS alert for network traffic
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 Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1266929 Sample: H1H88pqyK7.exe Startdate: 05/07/2023 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 9 other signatures 2->50 7 H1H88pqyK7.exe 1 21 2->7         started        11 mirbbwggp.exe 19 2->11         started        process3 file4 30 C:\Users\user\AppData\...\mirbbwggp.exe, PE32 7->30 dropped 32 C:\Users\user\AppData\Local\...\wrxfxxz.dll, PE32 7->32 dropped 58 Contains functionality to bypass UAC (CMSTPLUA) 7->58 60 Detected unpacking (changes PE section rights) 7->60 62 Detected unpacking (overwrites its own PE header) 7->62 70 6 other signatures 7->70 13 H1H88pqyK7.exe 3 17 7->13         started        34 C:\Users\user\AppData\Local\...\wrxfxxz.dll, PE32 11->34 dropped 64 Multi AV Scanner detection for dropped file 11->64 66 Machine Learning detection for dropped file 11->66 68 Maps a DLL or memory area into another process 11->68 18 mirbbwggp.exe 11->18         started        signatures5 process6 dnsIp7 40 208.67.107.123, 49717, 49718, 8780 GRAYSON-COLLIN-COMMUNICATIONSUS United States 13->40 42 geoplugin.net 178.237.33.50, 49719, 80 ATOM86-ASATOM86NL Netherlands 13->42 36 C:\ProgramData\remcos\logs.dat, data 13->36 dropped 72 Maps a DLL or memory area into another process 13->72 74 Installs a global keyboard hook 13->74 20 H1H88pqyK7.exe 1 13->20         started        23 H1H88pqyK7.exe 1 13->23         started        25 H1H88pqyK7.exe 1 13->25         started        27 27 other processes 13->27 file8 signatures9 process10 dnsIp11 52 Tries to steal Instant Messenger accounts or passwords 20->52 54 Tries to steal Mail credentials (via file / registry access) 20->54 38 192.168.2.1 unknown unknown 27->38 56 Tries to harvest and steal browser information (history, passwords, etc) 27->56 signatures12
Threat name:
Win32.Trojan.Remcos
Status:
Malicious
First seen:
2023-07-04 04:47:53 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence 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
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
208.67.107.123:8780
Unpacked files
SH256 hash:
979b67124f30f347688897010f34abf0467a67516ba011c9601cf06a14be0432
MD5 hash:
246ba2f9ceb20a58fe5c16540ba7ad2b
SHA1 hash:
f6953b3ae9173fd8a4ed4c68b61b1ec184da4a81
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_EXE_Packed_MPress
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:QbotStuff
Author:anonymous
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:TeslaCryptPackedMalware
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.
Rule name:yara_template

File information


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

Web download

RemcosRAT

Executable exe 979b67124f30f347688897010f34abf0467a67516ba011c9601cf06a14be0432

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-07-05 04:30:58 UTC

url : hxxp://185.246.220.60/RFQ098654578.exe