MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 741ffe5460a43194d3a8cf76729abd8f6a5fb7d991e219037215920195a38c5e. 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: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 741ffe5460a43194d3a8cf76729abd8f6a5fb7d991e219037215920195a38c5e
SHA3-384 hash: 58119279295dea60a2bd8ee96283a5a120c6e7a036f422c1a97533661e8b83d83c759f9e64ea7fa5c367f18faa78a6cf
SHA1 hash: bf513758205dda0b62084d9b9718042aad5c836c
MD5 hash: 0b7883cd326d76228c722b69541cb9a3
humanhash: nuts-blue-delta-bacon
File name:Query_Ref_5787533_pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:979'968 bytes
First seen:2021-04-21 08:38:55 UTC
Last seen:2021-04-21 09:56:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'659 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:r4Iacetth+mowsrr2cUwODivFmmpW/8RRRRRZ:r4IOImot2xwrvu8RRRRR
Threatray 172 similar samples on MalwareBazaar
TLSH 0225F10D6B48C776D1EE0BB8615024606372D44FBA56E31D4AF1ECFC3E737218A4E68A
Reporter TeamDreier
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Query_Ref_5787533_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-04-21 08:53:56 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/0bc2f8a7-ad6b-4f8e-99b4-24970b433ef6

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/141934/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.666.28023.8217.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/690581
Signature
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
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 394233 Sample: Query_Ref_5787533_pdf.exe Startdate: 21/04/2021 Architecture: WINDOWS Score: 100 59 kjdes.ddns.net 2->59 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 Multi AV Scanner detection for dropped file 2->67 69 12 other signatures 2->69 8 Query_Ref_5787533_pdf.exe 7 2->8         started        12 remcos.exe 5 2->12         started        14 remcos.exe 4 2->14         started        signatures3 process4 file5 49 C:\Users\user\AppData\...\YwDUrECuAdTV.exe, PE32 8->49 dropped 51 C:\Users\...\YwDUrECuAdTV.exe:Zone.Identifier, ASCII 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmp1BB5.tmp, XML 8->53 dropped 55 C:\Users\...\Query_Ref_5787533_pdf.exe.log, ASCII 8->55 dropped 73 Contains functionality to steal Chrome passwords or cookies 8->73 75 Contains functionality to inject code into remote processes 8->75 77 Uses schtasks.exe or at.exe to add and modify task schedules 8->77 79 Delayed program exit found 8->79 16 Query_Ref_5787533_pdf.exe 4 5 8->16         started        19 schtasks.exe 1 8->19         started        21 BackgroundTransferHost.exe 8->21         started        57 C:\Users\user\AppData\...\remcos.exe.log, ASCII 12->57 dropped 81 Multi AV Scanner detection for dropped file 12->81 83 Machine Learning detection for dropped file 12->83 85 Contains functionality to steal Firefox passwords or cookies 12->85 23 remcos.exe 2 3 12->23         started        27 schtasks.exe 1 12->27         started        29 remcos.exe 12->29         started        87 Injects a PE file into a foreign processes 14->87 31 schtasks.exe 14->31         started        33 remcos.exe 14->33         started        35 remcos.exe 14->35         started        signatures6 process7 dnsIp8 45 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 16->45 dropped 47 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 16->47 dropped 37 wscript.exe 16->37         started        39 conhost.exe 19->39         started        61 kjdes.ddns.net 185.244.30.130, 49725, 49729, 49730 DAVID_CRAIGGG Netherlands 23->61 71 Installs a global keyboard hook 23->71 41 conhost.exe 27->41         started        43 conhost.exe 31->43         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/741ffe5460a43194d3a8cf76729abd8f6a5fb7d991e219037215920195a38c5e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-19 09:16:27 UTC
File Type:
PE (.Net Exe)
Extracted files:
53
AV detection:
34 of 47 (72.34%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=oqp74vdauqyzju5iz53hfgv5r5vf7n6zshrbsa3scwjadfndrrpa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0a049a6f200348e229ebaa13728cd0d19de4839c741d4faec3dd64207860153d
RemcosRAT
0b71fa3fa8549d6a826faaeb1be86b5f866242f35afdb0c0bc7a8ba6c35981e7
RemcosRAT
27a607812f2e113484b27f50f1337cad704713a356fb24a74103d8ef027da16d
RemcosRAT
375b5d8e986b228149dbe2f4cd9df92e697491052531a094fb7172ad0d25bd82
RemcosRAT
481d9a1417683843ff3bf8936227f69dbb80cad91b0c408bf30a99f889c09659
RemcosRAT
54b91d6b1324d8b3dec856922b4566b362535d84538297b612c5323e9230daf0
RemcosRAT
8017cf230cb7f4e72b6128a7e696821749c4990dbd446f8206d948c3ed6530ec
RemcosRAT
8acdca153a4e16a5ff668a0a5ad8c274d2307a88cda385575ee4fbb8374d2254
RemcosRAT
b61f6b794f38f736e90ae8aa04e5f71acc8d5470c08ef8841c16087b6710a388
RemcosRAT
c85d33153d768a2f98066c8ba07e58890cbac4c185e4ef45739fb03750e1088b
RemcosRAT
+ 162 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210421-gp7ccngkye/
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Deletes itself
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
kjdes.ddns.net:6062
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/741ffe5460a43194d3a8cf76729abd8f6a5fb7d991e219037215920195a38c5e

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/141934/

Comments