MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 519cdc27424d8eb3cac48f7e148ce68123980a03a8692c1139f229fec66a5615. 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 2 File information Comments

SHA256 hash: 519cdc27424d8eb3cac48f7e148ce68123980a03a8692c1139f229fec66a5615
SHA3-384 hash: 974d0620110b9fd25dea6e93a8824267b146d4ff0e3b3d791955cdad9c360ac9669b6edf7c6508af97d52d278b0bddd1
SHA1 hash: aa5600baf254ba0fe94546fd446f4fed16bef3da
MD5 hash: f1d6a450541b83776748582ae0240b5a
humanhash: alpha-ack-foxtrot-whiskey
File name:519cdc27424d8eb3cac48f7e148ce68123980a03a8692c1139f229fec66a5615
Download: download sample
Signature RemcosRAT
File size:1'086'976 bytes
First seen:2023-01-06 11:21:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:fm1w2iQp20B48hgUDrd2+wnuQLX1nKGF4DZ2CSeTbz:uG2npf48hgQdhw1QGF4kje/
Threatray 2'415 similar samples on MalwareBazaar
TLSH T1FD3512396B27AE43C26E5776D0C2522403F0C747A333E74A7FD806954B077A75DEA28A
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
182
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
519cdc27424d8eb3cac48f7e148ce68123980a03a8692c1139f229fec66a5615
Verdict:
Malicious activity
Analysis date:
2023-01-06 11:22:46 UTC
Tags:
rat remcos keylogger

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Unauthorized injection to a recently created process
Creating a file
Creating a process from a recently created file
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
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 method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 domain / URL
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 778971 Sample: Gpw801nuL2.exe Startdate: 06/01/2023 Architecture: WINDOWS Score: 100 78 drremcoz1.ddns.net 2->78 82 Multi AV Scanner detection for domain / URL 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Antivirus detection for URL or domain 2->86 88 12 other signatures 2->88 12 Gpw801nuL2.exe 6 2->12         started        16 maObHkG.exe 4 2->16         started        18 remcos.exe 2->18         started        20 2 other processes 2->20 signatures3 process4 file5 72 C:\Users\user\AppData\Roaming\maObHkG.exe, PE32 12->72 dropped 74 C:\Users\user\AppData\Local\...\tmp5AF9.tmp, XML 12->74 dropped 76 C:\Users\user\AppData\...behaviorgraphpw801nuL2.exe.log, ASCII 12->76 dropped 98 Uses schtasks.exe or at.exe to add and modify task schedules 12->98 100 Injects a PE file into a foreign processes 12->100 22 Gpw801nuL2.exe 5 5 12->22         started        25 schtasks.exe 1 12->25         started        102 Multi AV Scanner detection for dropped file 16->102 104 Machine Learning detection for dropped file 16->104 27 schtasks.exe 18->27         started        29 remcos.exe 18->29         started        31 schtasks.exe 20->31         started        33 schtasks.exe 20->33         started        35 remcos.exe 20->35         started        37 remcos.exe 20->37         started        signatures6 process7 file8 66 C:\ProgramData\Remcos\remcos.exe, PE32 22->66 dropped 68 C:\Users\user\AppData\Local\...\install.vbs, data 22->68 dropped 70 C:\ProgramData\...\remcos.exe:Zone.Identifier, ASCII 22->70 dropped 39 wscript.exe 1 22->39         started        41 conhost.exe 25->41         started        43 conhost.exe 27->43         started        45 conhost.exe 31->45         started        47 conhost.exe 33->47         started        process9 process10 49 cmd.exe 1 39->49         started        process11 51 remcos.exe 5 49->51         started        54 conhost.exe 49->54         started        signatures12 90 Multi AV Scanner detection for dropped file 51->90 92 Machine Learning detection for dropped file 51->92 94 Injects a PE file into a foreign processes 51->94 56 remcos.exe 51->56         started        60 schtasks.exe 51->60         started        62 remcos.exe 51->62         started        process13 dnsIp14 80 drremcoz1.ddns.net 194.180.48.183, 1307 LVLT-10753US Germany 56->80 96 Installs a global keyboard hook 56->96 64 conhost.exe 60->64         started        signatures15 process16
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2022-12-15 02:42:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
26 of 41 (63.41%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
drremcoz1.ddns.net:1307
Gathering data
Unpacked files
SH256 hash:
c2e6730a87e706dbedbdb63ec0a2bfd1d512b11f1406974d974ff7ea7693378b
MD5 hash:
c5872736e7c21cbbd9c70b5104014e43
SHA1 hash:
1230d51774be892977e7b4037e72d60f5ef34154
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
SH256 hash:
519cdc27424d8eb3cac48f7e148ce68123980a03a8692c1139f229fec66a5615
MD5 hash:
f1d6a450541b83776748582ae0240b5a
SHA1 hash:
aa5600baf254ba0fe94546fd446f4fed16bef3da
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