MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7cfdbb46f90befe58e3f7487c9a807328f69c223fa0fc240ce292bb7d85ef099. 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: 14


Intelligence 14 IOCs YARA 23 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7cfdbb46f90befe58e3f7487c9a807328f69c223fa0fc240ce292bb7d85ef099
SHA3-384 hash: a58835123ad342ff8c25b532225728560f0c73396daa0c0d1e61985a8f6519c43e1aeaf1435a46a68d76c2a8440c8423
SHA1 hash: 214c267248a43905b039aeac5b5ff38ad572bbff
MD5 hash: 4954636fe876459d1a8654235bec6f3c
humanhash: mars-black-kentucky-mountain
File name:MEMOVACATIONLIST7548100283DH4746EYHH.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:722'944 bytes
First seen:2023-06-21 13:31:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 02d762f1aaf16e6c8e03fe60f0c9d48e (2 x ModiLoader, 1 x RemcosRAT, 1 x AveMariaRAT)
ssdeep 12288:mTlUbdpW5/5o8FF2FENOeqBWJz4RC7AptkCizoHm8gn7hQEL:mTqC/5otAqYOo8ptkCizoH9gnGE
Threatray 2'107 similar samples on MalwareBazaar
TLSH T1BFF4AF63B1B04077C2B32D798B46A7E9781D7D242D2439559AF43E88BF39242B8253DF
TrID 84.9% (.EXE) Win32 Executable Borland Delphi 6 (262638/61)
4.5% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.2% (.SCR) Windows screen saver (13097/50/3)
2.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.4% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 808fb3f4d6d6d3af (3 x RemcosRAT, 2 x Formbook, 2 x DBatLoader)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
290
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MEMOVACATIONLIST7548100283DH4746EYHH.exe
Verdict:
Malicious activity
Analysis date:
2023-06-21 13:33:55 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/3ad12a02-de25-452d-989d-ccd6db9756da

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/401423/
Detection(s):
SecuriteInfo.com.Variant.Zusy.470739.26972.8721.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
keylogger lolbin
Link:
https://www.filescan.io/uploads/6492fbd25b95f85194044592/reports/d8b6f2f7-3864-4b21-bea6-cddea680457b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/7cfdbb46f90befe58e3f7487c9a807328f69c223fa0fc240ce292bb7d85ef099
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.
Malware family:
Dbatloader
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ee5648c9-53d6-46f1-91cd-f3f6caa98d0c
Result
Threat name:
Remcos, DBatLoader, PrivateLoader
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1259038
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates a thread in another existing process (thread injection)
Found malware configuration
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)
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
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)
Writes to foreign memory regions
Yara detected DBatLoader
Yara detected PrivateLoader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 892058 Sample: MEMOVACATIONLIST7548100283D... Startdate: 21/06/2023 Architecture: WINDOWS Score: 100 58 Snort IDS alert for network traffic 2->58 60 Multi AV Scanner detection for domain / URL 2->60 62 Found malware configuration 2->62 64 10 other signatures 2->64 7 MEMOVACATIONLIST7548100283DH4746EYHH.exe 1 2 2->7         started        12 Afjiznqi.bat 2->12         started        14 Afjiznqi.bat 2->14         started        process3 dnsIp4 44 web.fe.1drv.com 7->44 46 onedrive.live.com 7->46 52 2 other IPs or domains 7->52 36 C:\Users\Public\Libraries\Afjiznqi.bat, PE32 7->36 dropped 74 Writes to foreign memory regions 7->74 76 Allocates memory in foreign processes 7->76 78 Creates a thread in another existing process (thread injection) 7->78 16 SndVol.exe 3 16 7->16         started        48 web.fe.1drv.com 12->48 54 3 other IPs or domains 12->54 80 Multi AV Scanner detection for dropped file 12->80 82 Machine Learning detection for dropped file 12->82 84 Injects a PE file into a foreign processes 12->84 21 logagent.exe 12->21         started        50 web.fe.1drv.com 14->50 56 3 other IPs or domains 14->56 23 colorcpl.exe 14->23         started        file5 signatures6 process7 dnsIp8 38 www.supremeswitchgear.com 193.23.3.15, 32676, 49695, 49696 HOSTSLIM-GLOBAL-NETWORKNL unknown 16->38 40 geoplugin.net 178.237.33.50, 49697, 80 ATOM86-ASATOM86NL Netherlands 16->40 42 192.168.2.1 unknown unknown 16->42 34 C:\ProgramData\remcos\logs.dat, data 16->34 dropped 66 Contains functionality to bypass UAC (CMSTPLUA) 16->66 68 Contains functionality to steal Chrome passwords or cookies 16->68 70 Contains functionality to inject code into remote processes 16->70 72 2 other signatures 16->72 25 SndVol.exe 1 16->25         started        28 SndVol.exe 2 16->28         started        30 SndVol.exe 1 16->30         started        32 SndVol.exe 16->32         started        file9 signatures10 process11 signatures12 86 Tries to steal Instant Messenger accounts or passwords 25->86 88 Tries to steal Mail credentials (via file / registry access) 25->88 90 Tries to harvest and steal browser information (history, passwords, etc) 28->90
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7cfdbb46f90befe58e3f7487c9a807328f69c223fa0fc240ce292bb7d85ef099/
Threat name:
Win32.Trojan.Zusy
Create hunting rule
Status:
Malicious
First seen:
2023-06-21 13:30:52 UTC
File Type:
PE (Exe)
Extracted files:
43
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=pt63wrxzbpx6ldr7osd4tkahgkhwtqrd7ih4eqgofev3pwc66cmq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f528143fdfebee5cce0397910269972a5ed33b314f5a91db93bc23c967be73f
RemcosRAT
55b379ec8cd752f104605bdbd88048c1c3b49c328b393ba496494a118ef5ae16
RemcosRAT
8c80ec1c91dcd77ea0be5d0e53e289a6bc0ed764a12f9262ba979f579bb25591
RemcosRAT
a4a9151dee1026abcaec06ec7596983a05cc7df43c37d5646e17ae02e2902445
RemcosRAT
af4302878827cd62e91d7f42d963b213f4dbb220b28148f86f63a799666b1931
RemcosRAT
c1bcaa3723fd87f8a0a537c14ecf7e5852a69d33995333b40a7a475eb2e1696c
RemcosRAT
de33fd9d4c89f8d5ffad69cb7743922d8d22f54890f9ca69161edce001cba9ad
RemcosRAT
+ 2'097 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:modiloader family:remcos botnet:remotehost collection persistence rat trojan
Link:
https://tria.ge/reports/230621-qsx23aba4v/
Behaviour
Script User-Agent
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
ModiLoader Second Stage
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
ModiLoader, DBatLoader
Remcos
Malware Config
C2 Extraction:
www.supremeswitchgear.com:32676
Unpacked files
SH256 hash:
d9d75897f3e27e941c6e90a6142c1c44c3a6251ddb73a6e1059a77af6eb7d02b
MD5 hash:
7df1198d0578f28bd0f6001adae0f70f
SHA1 hash:
d42d5732c12563a634127b6460506718a7d8e67f
Detections:
win_dbatloader_g1
Create hunting rule
Link:
https://www.unpac.me/results/6083ad0b-80ca-47f7-a343-1ba0b065f1bc/
Parent samples :
1cb71707945bdd125f22f53b0965eb2538c91aad7bffb2ff3d0c4209d6a3f11f
7cfdbb46f90befe58e3f7487c9a807328f69c223fa0fc240ce292bb7d85ef099
17be5ebb05d5ecda4b88767177423b1198ec32869d58f244a9a63f7d2133f0f1
1f83219e709b7a876c79306a5e0a7f1773a44e537b4223d74f2e4d2d2d805f11
SH256 hash:
7cfdbb46f90befe58e3f7487c9a807328f69c223fa0fc240ce292bb7d85ef099
MD5 hash:
4954636fe876459d1a8654235bec6f3c
SHA1 hash:
214c267248a43905b039aeac5b5ff38ad572bbff
Detections:
DbatLoaderStage1
Create hunting rule
Link:
https://www.unpac.me/results/6083ad0b-80ca-47f7-a343-1ba0b065f1bc/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/7cfdbb46f90b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.39
Link:
https://yomi.yoroi.company/submissions/7cfdbb46f90befe58e3f7487c9a807328f69c223fa0fc240ce292bb7d85ef099

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:CMD_Ping_Localhost
Create hunting rule
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
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
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:TeslaCryptPackedMalware
Create hunting rule
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:yara_template
Create hunting rule

File information

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

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/401423/

Comments