MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af0249150bee4fec74c124f89019cd260c9aacd7b7a7715192b5097f1948eb82. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: af0249150bee4fec74c124f89019cd260c9aacd7b7a7715192b5097f1948eb82
SHA3-384 hash: 006eaf8222ce6a4bcad9c79e7dba2935b78e03a13a35fec00c38ae3932ad32eb931cf3b612dd0bb8966d48e74569a31e
SHA1 hash: 43f4315a82d7cd359aec38eac9fa37602d8baac6
MD5 hash: 53d1fe3209497d194e38201deb835924
humanhash: quiet-asparagus-texas-jersey
File name:53d1fe3209497d194e38201deb835924.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'165'248 bytes
First seen:2021-04-24 07:38:25 UTC
Last seen:2021-04-24 08:58:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'470 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 49152:/rTOrTcEXhkTfqX+VTTQD//UqEfBTf68IoRTXo:EhpwR0
Threatray 170 similar samples on MalwareBazaar
TLSH B4A5C0D9B980A9E4C26F2F619FCB8C9082201776251BF51E473157F7AF23E331672A85
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
fieldsdegreenf.duckdns.org

Intelligence

File Origin
# of uploads :
2
# of downloads :
311
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
53d1fe3209497d194e38201deb835924.exe
Verdict:
Malicious activity
Analysis date:
2021-04-24 08:04:09 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/3626eece-44a1-418e-b4ee-2ab5028d5a7a

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/143981/
Detection(s):
SecuriteInfo.com.Artemis53D1FE320949.17609.30105.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting a recently created file
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Verdict:
UNKNOWN
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/696715
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
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 397280 Sample: deFIb00TJg.exe Startdate: 24/04/2021 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 9 other signatures 2->57 11 deFIb00TJg.exe 3 2->11         started        15 remcos.exe 2 2->15         started        17 remcos.exe 2->17         started        process3 file4 47 C:\Users\user\AppData\...\deFIb00TJg.exe.log, ASCII 11->47 dropped 61 Contains functionality to steal Chrome passwords or cookies 11->61 63 Contains functionality to inject code into remote processes 11->63 65 Contains functionality to steal Firefox passwords or cookies 11->65 67 Delayed program exit found 11->67 19 deFIb00TJg.exe 4 5 11->19         started        69 Injects a PE file into a foreign processes 15->69 22 remcos.exe 15->22         started        24 remcos.exe 17->24         started        signatures5 process6 file7 43 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 19->43 dropped 45 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 19->45 dropped 26 wscript.exe 1 19->26         started        process8 process9 28 cmd.exe 1 26->28         started        process10 30 remcos.exe 3 28->30         started        33 conhost.exe 28->33         started        signatures11 71 Multi AV Scanner detection for dropped file 30->71 73 Machine Learning detection for dropped file 30->73 75 Injects a PE file into a foreign processes 30->75 35 remcos.exe 3 3 30->35         started        39 remcos.exe 30->39         started        process12 dnsIp13 49 fieldsdegreenf.duckdns.org 45.144.225.94, 49726, 6553 DEDIPATH-LLCUS Netherlands 35->49 59 Installs a global keyboard hook 35->59 41 svchost.exe 35->41         started        signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/af0249150bee4fec74c124f89019cd260c9aacd7b7a7715192b5097f1948eb82/
Threat name:
ByteCode-MSIL.Backdoor.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2021-04-24 07:39:06 UTC
AV detection:
6 of 47 (12.77%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=v4besfil5zh6y5gbet4jagoneygjvlgxw6txcumswuex6gki5oba._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0b71fa3fa8549d6a826faaeb1be86b5f866242f35afdb0c0bc7a8ba6c35981e7
RemcosRAT
27a607812f2e113484b27f50f1337cad704713a356fb24a74103d8ef027da16d
RemcosRAT
375b5d8e986b228149dbe2f4cd9df92e697491052531a094fb7172ad0d25bd82
RemcosRAT
481d9a1417683843ff3bf8936227f69dbb80cad91b0c408bf30a99f889c09659
RemcosRAT
54b91d6b1324d8b3dec856922b4566b362535d84538297b612c5323e9230daf0
RemcosRAT
741ffe5460a43194d3a8cf76729abd8f6a5fb7d991e219037215920195a38c5e
RemcosRAT
8017cf230cb7f4e72b6128a7e696821749c4990dbd446f8206d948c3ed6530ec
RemcosRAT
b61f6b794f38f736e90ae8aa04e5f71acc8d5470c08ef8841c16087b6710a388
RemcosRAT
c85d33153d768a2f98066c8ba07e58890cbac4c185e4ef45739fb03750e1088b
RemcosRAT
dae93e987a854255ff55ce9f62729f17f57d3f8a56933a57cb8de89b698e81f0
RemcosRAT
+ 160 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210424-mlqdcjek9n/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
fieldsdegreenf.duckdns.org:6553
aaeeerbbbeee.duckdns.org:6553
Unpacked files
SH256 hash:
74b2935b9dfe4ba397fd0507ae3c36abb77193041f2e7c43c55dc4e7b33de61c
MD5 hash:
b5c218f30fecc9cb8513ff6a46737b01
SHA1 hash:
f0416867c2b114789620b318051f1fa390b07eae
Link:
https://www.unpac.me/results/42968c42-ad41-441b-a861-943de6f04456/
SH256 hash:
02650bdf290724edd38abc7e303ff74ca1fc7fba26f3f0dcead22cdce5b9b3fa
MD5 hash:
9f7ef650ee32895e313edc085fbc29f9
SHA1 hash:
bcde3f8d90c9b0d3ad79785f77a089003260fedc
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/42968c42-ad41-441b-a861-943de6f04456/
Parent samples :
974b3b9247ead5b640b495a96efba657ebee885fd25374e294ce55d7472ee402
93e3956f268d38726acd19958a181d02feaea3e166b7e7d24d7a0c908141a4b2
af0249150bee4fec74c124f89019cd260c9aacd7b7a7715192b5097f1948eb82
02650bdf290724edd38abc7e303ff74ca1fc7fba26f3f0dcead22cdce5b9b3fa
SH256 hash:
cefa10893e487f1871ab5947237b8fcff8fcd16de74a6c11a49d8d29920bbf29
MD5 hash:
16c2932331cb15870dd21e42c62c0510
SHA1 hash:
20615b67c2a173313588cafba8131f729eda9956
Link:
https://www.unpac.me/results/42968c42-ad41-441b-a861-943de6f04456/
SH256 hash:
af0249150bee4fec74c124f89019cd260c9aacd7b7a7715192b5097f1948eb82
MD5 hash:
53d1fe3209497d194e38201deb835924
SHA1 hash:
43f4315a82d7cd359aec38eac9fa37602d8baac6
Link:
https://www.unpac.me/results/42968c42-ad41-441b-a861-943de6f04456/
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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

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

Web download

RemcosRAT

Executable exe af0249150bee4fec74c124f89019cd260c9aacd7b7a7715192b5097f1948eb82

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/143981/
  
URLhaus
https://urlhaus.abuse.ch/url/1145250/
  
Delivery method
Distributed via web download

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