MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5107b9fda1ce6e7c51fb52d7928c49a82731ff4fc3c75d700737ce3c2f274044. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5107b9fda1ce6e7c51fb52d7928c49a82731ff4fc3c75d700737ce3c2f274044
SHA3-384 hash: 99daa92c5a635d266927015e2da42708f04167cc3ae47a45bdbb375d7e8463e14d20b05e09046abb65dcc4b33fbd85c9
SHA1 hash: c101298055a396fee1d26220c2655125065e9fe6
MD5 hash: d55db3e1a122d2193f804f76a3ed2cb3
humanhash: kansas-spaghetti-mobile-solar
File name:d55db3e1a122d2193f804f76a3ed2cb3.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:458'752 bytes
First seen:2022-12-01 15:56:23 UTC
Last seen:2022-12-01 17:31:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:xoR0EvklriDeO8pZIgVBcY/LfSSk0MeYFuRWYsraTkxAJAJ9U8sgutf2iddj5XDw:uW68NVBcY+SCY+3xAJAJ+f2E5eJQ9jq
TLSH T13BA4018D23D50310DC9A83B5E86054CC2F317CA89E42D79F8ED371AB6A36FBDA511A47
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 4cdcb2aaaaaa8ad4 (6 x AgentTesla, 5 x Formbook, 2 x AveMariaRAT)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d55db3e1a122d2193f804f76a3ed2cb3.exe
Verdict:
Malicious activity
Analysis date:
2022-12-01 16:02:41 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e43644d0-62c7-4026-975a-a69eef33dec1

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/341209/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.389.18135.19576.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Changing a file
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/6388cecd579915b6b303d8df/reports/ea74672a-6baf-4bc0-9dd1-c6aafbb59b6c/overview
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/58fd7567-9647-4e6a-9f83-7685886cdf87
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1125536
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
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 submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 758261 Sample: awGdiA7reJ.exe Startdate: 01/12/2022 Architecture: WINDOWS Score: 100 72 terzona2022.duckdns.org 2->72 78 Malicious sample detected (through community Yara rule) 2->78 80 Multi AV Scanner detection for submitted file 2->80 82 Detected Remcos RAT 2->82 84 8 other signatures 2->84 12 awGdiA7reJ.exe 3 2->12         started        16 Windows input text.exe 2 2->16         started        18 Windows input text.exe 2 2->18         started        signatures3 process4 file5 70 C:\Users\user\AppData\...\awGdiA7reJ.exe.log, ASCII 12->70 dropped 104 Injects a PE file into a foreign processes 12->104 20 awGdiA7reJ.exe 1 5 12->20         started        24 awGdiA7reJ.exe 12->24         started        26 Windows input text.exe 2 16->26         started        106 Drops executables to the windows directory (C:\Windows) and starts them 18->106 29 Windows input text.exe 18->29         started        signatures6 process7 dnsIp8 66 C:\Windows\...\Windows input text.exe, PE32 20->66 dropped 68 C:\...\Windows input text.exe:Zone.Identifier, ASCII 20->68 dropped 86 Creates an autostart registry key pointing to binary in C:\Windows 20->86 31 cmd.exe 1 20->31         started        34 cmd.exe 1 20->34         started        76 terzona2022.duckdns.org 91.192.100.30, 3030, 49699, 49701 AS-SOFTPLUSCH Switzerland 26->76 88 Installs a global keyboard hook 26->88 36 cmd.exe 26->36         started        file9 signatures10 process11 signatures12 108 Uses ping.exe to sleep 31->108 38 Windows input text.exe 3 31->38         started        41 PING.EXE 1 31->41         started        44 conhost.exe 31->44         started        110 Uses cmd line tools excessively to alter registry or file data 34->110 112 Uses ping.exe to check the status of other devices and networks 34->112 46 reg.exe 1 34->46         started        48 conhost.exe 34->48         started        50 conhost.exe 36->50         started        52 reg.exe 36->52         started        process13 dnsIp14 90 Injects a PE file into a foreign processes 38->90 54 Windows input text.exe 2 1 38->54         started        74 127.0.0.1 unknown unknown 41->74 92 Disables UAC (registry) 46->92 signatures15 process16 signatures17 94 Detected Remcos RAT 54->94 96 Writes to foreign memory regions 54->96 98 Allocates memory in foreign processes 54->98 100 Injects a PE file into a foreign processes 54->100 57 cmd.exe 1 54->57         started        60 iexplore.exe 54->60         started        process18 signatures19 102 Uses cmd line tools excessively to alter registry or file data 57->102 62 conhost.exe 57->62         started        64 reg.exe 1 57->64         started        process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5107b9fda1ce6e7c51fb52d7928c49a82731ff4fc3c75d700737ce3c2f274044/
Threat name:
ByteCode-MSIL.Trojan.SnakeKeylogger
Create hunting rule
Status:
Malicious
First seen:
2022-12-01 02:33:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
17
AV detection:
19 of 40 (47.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ked3t7nbzzxhyup3kllzfdcjvattd72pypdv24ahg7hdylzhibca._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:dec 1st evasion persistence rat trojan
Link:
https://tria.ge/reports/221201-tdya3ahc7t/
Behaviour
Modifies Internet Explorer settings
Modifies registry key
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
UAC bypass
Malware Config
C2 Extraction:
terzona2022.duckdns.org:3030
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/10a34051-00a8-444a-87c5-b99e11e74fef
Unpacked files
SH256 hash:
108764b1bf87910d71fecf0564f9c81692258cc58e3154844ca4e36029b90b73
MD5 hash:
03dde908d6fd78746ac7195e1118f659
SHA1 hash:
e60a4f839a8d96dbc7719aab96a9de2644bf538d
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/33f9735e-320b-4f5f-adba-b3688732a877/
SH256 hash:
4ee60523f3c5539d03eddfc2e17cbd4dbf19a18e8909d0d588ad103d6edf035b
MD5 hash:
bff6f69f0462353c9d308ccb4177a957
SHA1 hash:
7cd553cb3f39bd241ac315627c486759299fc218
Link:
https://www.unpac.me/results/33f9735e-320b-4f5f-adba-b3688732a877/
SH256 hash:
8a443871e399b151e354c80f0f3be8b0c9c7caaa8cd1bd41fe19838627de2df3
MD5 hash:
70e0c8b6990188bf87cd13ed4f71a137
SHA1 hash:
769c8621b4f68529cac728c72bfe2e08d2b2f2cd
Link:
https://www.unpac.me/results/33f9735e-320b-4f5f-adba-b3688732a877/
SH256 hash:
b30aecaaad2df9b768659ed0d0e92e18b3f135e7cba891543ce5c0940fb5cadb
MD5 hash:
69f52bd98b27ce968f993633eb61e976
SHA1 hash:
057be6563922d5eaa4f02f44e049ccaea2860d6d
Link:
https://www.unpac.me/results/33f9735e-320b-4f5f-adba-b3688732a877/
SH256 hash:
3624268b1bf67fd3f560f345e5171f3a2f8968a776c23816ea76fc0ef41b0f03
MD5 hash:
1619753b625e58c25b73fbf1f0bff482
SHA1 hash:
c0d7922bdbc10ef0ee1606a40c2dedd22cb180d4
Link:
https://www.unpac.me/results/33f9735e-320b-4f5f-adba-b3688732a877/
SH256 hash:
5107b9fda1ce6e7c51fb52d7928c49a82731ff4fc3c75d700737ce3c2f274044
MD5 hash:
d55db3e1a122d2193f804f76a3ed2cb3
SHA1 hash:
c101298055a396fee1d26220c2655125065e9fe6
Link:
https://www.unpac.me/results/33f9735e-320b-4f5f-adba-b3688732a877/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5107b9fda1ce/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5107b9fda1ce6e7c51fb52d7928c49a82731ff4fc3c75d700737ce3c2f274044

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

RemcosRAT

Executable exe 5107b9fda1ce6e7c51fb52d7928c49a82731ff4fc3c75d700737ce3c2f274044

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2272201/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/341209/

Comments