MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ac0afc6e6de1b0682478fe38c23f21578acc6e6f1f43f8bf56d2bd400b69237a. 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 2 File information Comments

SHA256 hash: ac0afc6e6de1b0682478fe38c23f21578acc6e6f1f43f8bf56d2bd400b69237a
SHA3-384 hash: e5f7cbbbf15aff0bdcb1a7ec3eb597216cfbac2819a34ac0f4b03843d9391807137f1a90738d6665b67689a240612c21
SHA1 hash: 803e536aec761fda336d1d8bf8b964061663971c
MD5 hash: 90efc33e0108bcef2fe697cfa41fc805
humanhash: hydrogen-bakerloo-helium-fanta
File name:90efc33e0108bcef2fe697cfa41fc805.exe
Download: download sample
Signature RemcosRAT
File size:540'160 bytes
First seen:2021-07-16 19:05:57 UTC
Last seen:2021-07-16 19:53:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:2a/f+cRebz78MLehnad9s2jtwkrmoL0gvC9Gy582660DN:2a/fRegMyhgjxaoL0gvyGw8
Threatray 339 similar samples on MalwareBazaar
TLSH T18EB423606305D19EF1244FF13426DCC91A3E39DABCF407AED44B627AA4B4725079F62E
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
90efc33e0108bcef2fe697cfa41fc805.exe
Verdict:
Malicious activity
Analysis date:
2021-07-16 19:09:36 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
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
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses powershell Test-Connection to delay payload execution;
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 450089 Sample: eQqnH61qiB.exe Startdate: 16/07/2021 Architecture: WINDOWS Score: 100 71 freightmgmt.duckdns.org 2->71 73 192.168.2.1 unknown unknown 2->73 75 2 other IPs or domains 2->75 87 Multi AV Scanner detection for domain / URL 2->87 89 Found malware configuration 2->89 91 Malicious sample detected (through community Yara rule) 2->91 93 9 other signatures 2->93 9 eQqnH61qiB.exe 4 9 2->9         started        13 notapad.exe 2->13         started        15 notapad.exe 2->15         started        signatures3 process4 file5 49 C:\Users\user\AppData\Local\notapad.exe, PE32 9->49 dropped 51 C:\Users\user\AppData\...\eQqnH61qiB.exe, PE32 9->51 dropped 53 C:\Users\user\...\notapad.exe:Zone.Identifier, ASCII 9->53 dropped 55 3 other malicious files 9->55 dropped 95 Writes to foreign memory regions 9->95 97 Uses powershell Test-Connection to delay payload execution; 9->97 99 Injects a PE file into a foreign processes 9->99 17 eQqnH61qiB.exe 2 3 9->17         started        21 wscript.exe 1 9->21         started        23 powershell.exe 18 9->23         started        31 2 other processes 9->31 101 Multi AV Scanner detection for dropped file 13->101 25 powershell.exe 13->25         started        27 powershell.exe 13->27         started        29 powershell.exe 13->29         started        signatures6 process7 dnsIp8 57 freightmgmt.duckdns.org 194.5.98.207, 49736, 49737, 49743 DANILENKODE Netherlands 17->57 77 Multi AV Scanner detection for dropped file 17->77 79 Contains functionality to steal Chrome passwords or cookies 17->79 81 Contains functionality to inject code into remote processes 17->81 85 3 other signatures 17->85 83 Wscript starts Powershell (via cmd or directly) 21->83 33 powershell.exe 21->33         started        61 2 other IPs or domains 23->61 35 conhost.exe 23->35         started        63 2 other IPs or domains 25->63 37 conhost.exe 25->37         started        65 2 other IPs or domains 27->65 39 conhost.exe 27->39         started        67 2 other IPs or domains 29->67 41 conhost.exe 29->41         started        59 www.yahoo.com 31->59 69 3 other IPs or domains 31->69 43 conhost.exe 31->43         started        45 conhost.exe 31->45         started        signatures9 process10 process11 47 conhost.exe 33->47         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-16 00:43:29 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:ach persistence rat
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
freightmgmt.duckdns.org:691
Unpacked files
SH256 hash:
92d7d818e514a1e5d339e418a547f79e23cfaeef84c1b0aa7dc1507a864934c6
MD5 hash:
66db1715a0cdded4a7396ab315402589
SHA1 hash:
e80ab2a415919af9db2fdbc99a9fa82463ffb6e9
SH256 hash:
fa480ad2ac977657dfcd79c8a3c906c169ae96e52b8515a17611b244cf8f1fc9
MD5 hash:
8ea5102985d83913b4f21b986f12bed7
SHA1 hash:
c3d9f285e3eee95f831a5ed2ef3c5bd4355b7826
SH256 hash:
ac0afc6e6de1b0682478fe38c23f21578acc6e6f1f43f8bf56d2bd400b69237a
MD5 hash:
90efc33e0108bcef2fe697cfa41fc805
SHA1 hash:
803e536aec761fda336d1d8bf8b964061663971c
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_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Comments