MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8c2653e4d9998668579383d87f291afe6ba5740ec3bc6d8f44618c0f9af77189. 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 10 File information Comments

SHA256 hash: 8c2653e4d9998668579383d87f291afe6ba5740ec3bc6d8f44618c0f9af77189
SHA3-384 hash: a68f97d90782d4e2d016461ecd571274d6ea70c0738940e5099647427df50490021c8fb485974f7dd534cea6646b8fb7
SHA1 hash: 694f29ce817edce396bc0fcb48f0168fd8321f12
MD5 hash: b45f67ab79b0599f4bcf550c7ca525e5
humanhash: princess-crazy-cold-diet
File name:RFQ ENGENTECH 11-10-2022113015.exe
Download: download sample
Signature RemcosRAT
File size:520'281 bytes
First seen:2022-10-11 05:58:32 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56a78d55f3f7af51443e58e0ce2fb5f6 (719 x GuLoader, 451 x Formbook, 295 x Loki)
ssdeep 12288:lNZz5C5hrGs69BVRbePbRH3OKy39L1NOtUlK+bY5QlMWjpyI2:lNZzojSTHzItUPbwkrjpj2
Threatray 1'998 similar samples on MalwareBazaar
TLSH T171B423A4C0A5C127E9E703732E7F15B64EE74B1212AC4B4B1370BD0979B64E64B06F6B
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 9b1979616969612b (42 x RemcosRAT, 6 x AgentTesla, 5 x Formbook)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Launching the default Windows debugger (dwwin.exe)
DNS request
Sending an HTTP GET request
Creating a window
Sending a custom TCP request
Reading critical registry keys
Changing a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
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:
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:
Lokibot, Remcos
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found hidden mapped module (file has been removed from disk)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected aPLib compressed binary
Yara detected Lokibot
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 720241 Sample: RFQ ENGENTECH 11-10-2022113... Startdate: 11/10/2022 Architecture: WINDOWS Score: 100 99 Multi AV Scanner detection for domain / URL 2->99 101 Malicious sample detected (through community Yara rule) 2->101 103 Antivirus detection for URL or domain 2->103 105 10 other signatures 2->105 10 RFQ ENGENTECH 11-10-2022113015.exe 18 2->10         started        13 tdyaxrkvfvta.exe 1 2->13         started        16 tdyaxrkvfvta.exe 1 2->16         started        process3 file4 69 C:\Users\user\AppData\Local\...\fjmuxee.exe, PE32 10->69 dropped 18 fjmuxee.exe 1 3 10->18         started        71 C:\Users\user\AppData\Local\Temp\5DEF.tmp, PE32 13->71 dropped 131 Multi AV Scanner detection for dropped file 13->131 133 Machine Learning detection for dropped file 13->133 135 Found hidden mapped module (file has been removed from disk) 13->135 22 tdyaxrkvfvta.exe 13->22         started        24 WerFault.exe 13->24         started        73 C:\Users\user\AppData\Local\Temp\806B.tmp, PE32 16->73 dropped 137 Maps a DLL or memory area into another process 16->137 26 tdyaxrkvfvta.exe 16->26         started        28 WerFault.exe 16->28         started        signatures5 process6 file7 61 C:\Users\user\AppData\...\tdyaxrkvfvta.exe, PE32 18->61 dropped 63 C:\Users\user\AppData\Local\Temp\C6C0.tmp, PE32 18->63 dropped 107 Multi AV Scanner detection for dropped file 18->107 109 Machine Learning detection for dropped file 18->109 111 Contains functionality to steal Chrome passwords or cookies 18->111 113 5 other signatures 18->113 30 fjmuxee.exe 2 18 18->30         started        35 WerFault.exe 23 9 18->35         started        signatures8 process9 dnsIp10 83 obologs.work.gd 194.5.98.244, 4044, 49697, 49699 DANILENKODE Netherlands 30->83 85 transfer.sh 144.76.136.153, 443, 49701 HETZNER-ASDE Germany 30->85 87 geoplugin.net 178.237.33.50, 49698, 80 ATOM86-ASATOM86NL Netherlands 30->87 75 C:\Users\user\AppData\Local\Temp\dwn.exe, PE32 30->75 dropped 77 C:\Users\user\AppData\Local\...\1254[1].exe, PE32 30->77 dropped 89 Maps a DLL or memory area into another process 30->89 37 dwn.exe 18 30->37         started        41 fjmuxee.exe 1 30->41         started        43 fjmuxee.exe 30->43         started        45 12 other processes 30->45 file11 signatures12 process13 dnsIp14 65 C:\Users\user\AppData\Local\...\mcftrmy.exe, PE32 37->65 dropped 115 Multi AV Scanner detection for dropped file 37->115 117 Machine Learning detection for dropped file 37->117 48 mcftrmy.exe 1 37->48         started        119 Tries to steal Instant Messenger accounts or passwords 41->119 121 Tries to steal Mail credentials (via file / registry access) 41->121 81 192.168.2.1 unknown unknown 45->81 123 Tries to harvest and steal browser information (history, passwords, etc) 45->123 file15 signatures16 process17 file18 59 C:\Users\user\AppData\Local\Temp\1F4.tmp, PE32 48->59 dropped 91 Multi AV Scanner detection for dropped file 48->91 93 Machine Learning detection for dropped file 48->93 95 Found hidden mapped module (file has been removed from disk) 48->95 97 Maps a DLL or memory area into another process 48->97 52 mcftrmy.exe 57 48->52         started        57 WerFault.exe 48->57         started        signatures19 process20 dnsIp21 79 162.0.223.13, 80 ACPCA Canada 52->79 67 C:\Users\user\AppData\...\B52B3F.exe (copy), PE32 52->67 dropped 125 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 52->125 127 Tries to steal Mail credentials (via file / registry access) 52->127 129 Tries to harvest and steal ftp login credentials 52->129 file22 signatures23
Threat name:
Win32.Trojan.GenericML
Status:
Malicious
First seen:
2022-10-10 23:02:27 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
31 of 41 (75.61%)
Threat level:
  5/5
Result
Malware family:
lokibot
Score:
  10/10
Tags:
family:lokibot collection persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Lokibot
Unpacked files
SH256 hash:
f9589aee2fcc0cd436b070999eb819946d8d4200c85f9f7eff52c64dbcd97bc8
MD5 hash:
5f55270b39c9ddfc862b3a49cb9e1744
SHA1 hash:
1236a40995fbd43978540df14f59d5ea6d4e9f48
Detections:
win_remcos_auto
SH256 hash:
c500722046ba6716c06d855741226086509564625769e83bce9fd55da67baefd
MD5 hash:
7e8d812e7a6ff01f6da0808dcf50d89d
SHA1 hash:
717efda723b08cd73ac870c1bc903233d36ca924
SH256 hash:
8c2653e4d9998668579383d87f291afe6ba5740ec3bc6d8f44618c0f9af77189
MD5 hash:
b45f67ab79b0599f4bcf550c7ca525e5
SHA1 hash:
694f29ce817edce396bc0fcb48f0168fd8321f12
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: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_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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: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 8c2653e4d9998668579383d87f291afe6ba5740ec3bc6d8f44618c0f9af77189

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments