MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5454ec6037767c7c675551dafd7c023e8bd974f7fce965aa94505b19151895f2. 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: 8


Intelligence 8 IOCs 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5454ec6037767c7c675551dafd7c023e8bd974f7fce965aa94505b19151895f2
SHA3-384 hash: cb2a0a54d67646bc2ad6766dc00071e7ac38921d419ce84ff744541f57b6d36b0406f280e20c967ef120ba11e890914e
SHA1 hash: a86310fe3489c342393deef49828d8d633570916
MD5 hash: 455e8ece9f31a1becb15adcab5be0b37
humanhash: sodium-alpha-asparagus-vermont
File name:INQUIRY.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:457'728 bytes
First seen:2021-04-23 14:45:55 UTC
Last seen:2021-04-23 15:51:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:SswRBpkn7UKathJ9wU3KiZGIe2bA06+gf4X+AIUJOewyfUA2FTey/TLsg8q:SLoWthJ9w9XHMRrIoz
Threatray 1'736 similar samples on MalwareBazaar
TLSH 3DA42285A3BC8631E93ED7BD54B9105007F4D930A723D35FBECC98761B63B48498AB62
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
45.144.225.221:5090

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
45.144.225.221:5090 https://threatfox.abuse.ch/ioc/9753/

Intelligence

File Origin
# of uploads :
2
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/143888/
Detection(s):
SecuriteInfo.com.Artemis455E8ECE9F31.5857.15079.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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/695483
Signature
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
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
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 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 signatures2 2 Behavior Graph ID: 396669 Sample: INQUIRY.exe Startdate: 23/04/2021 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 9 other signatures 2->45 7 INQUIRY.exe 7 2->7         started        process3 file4 29 C:\Users\user\AppData\Roaming\brrAhy.exe, PE32 7->29 dropped 31 C:\Users\user\...\brrAhy.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\Local\...\tmp82EA.tmp, XML 7->33 dropped 35 C:\Users\user\AppData\...\INQUIRY.exe.log, ASCII 7->35 dropped 47 Contains functionality to detect virtual machines (IN, VMware) 7->47 49 Contains functionality to steal Chrome passwords or cookies 7->49 51 Contains functionality to capture and log keystrokes 7->51 53 5 other signatures 7->53 11 INQUIRY.exe 7->11         started        15 powershell.exe 24 7->15         started        17 powershell.exe 26 7->17         started        19 2 other processes 7->19 signatures5 process6 dnsIp7 37 45.144.225.221, 49716, 5090 DEDIPATH-LLCUS Netherlands 11->37 55 Installs a global keyboard hook 11->55 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        27 conhost.exe 19->27         started        signatures8 process9
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5454ec6037767c7c675551dafd7c023e8bd974f7fce965aa94505b19151895f2/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-04-23 14:46:11 UTC
AV detection:
13 of 47 (27.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=krkoyybxoz6hyz2vkhnp27ach2f5s5hx7tuwlkuukbnrsfiysxza._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
023946cb10325407c30c9ec45ecd241d5e0e3f9ebaeffe2ab12f8cd5f0646013
RemcosRAT
3ce969a94f4bc8dec526e3551626d7e3639bae986304deba85e8f29f039fe345
RemcosRAT
5b474ca6fc8158bd6f14d53bca8962f25db3392dfe324f49ddf376610bd785e4
RemcosRAT
5f4e4a43a01b235d781c6888198b18750529dda9fc4727727940115090e06a6d
RemcosRAT
753883fa972dda966abb3adad3cfc94f0a82ca128d1908df58bac3ba93e60bd3
RemcosRAT
753cc07b3d3e9d5cc44061f9f5b2933d2e1f7f18155f9c17346592e254eab0c2
RemcosRAT
762d689595557fa3064907433659411b95132e554f7d17fcf62d1a77db51e3e5
RemcosRAT
aad53b1b6e50e7ee426f0790b5497cb7d63704a6775248f258db1263762761bb
RemcosRAT
ac7d008a3ac44bc8dfe3edbbc8542ed5b51bcf911b67eb8e9a715ebb5250ad27
RemcosRAT
ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94
RemcosRAT
+ 1'726 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos rat
Link:
https://tria.ge/reports/210423-ybhbvv88w6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
45.144.225.221:5090
Unpacked files
SH256 hash:
e90a19eba5f2de3ba82f652221105bb0682b07c20abddec487c6f4354ea79c39
MD5 hash:
efb0de4397ea61e17d262e278b53ff86
SHA1 hash:
727fdf2ceb13262d56bdda24a02564fb3e80c8b0
Link:
https://www.unpac.me/results/5b882a02-7c1f-45ce-a772-eab863ddfcae/
SH256 hash:
5454ec6037767c7c675551dafd7c023e8bd974f7fce965aa94505b19151895f2
MD5 hash:
455e8ece9f31a1becb15adcab5be0b37
SHA1 hash:
a86310fe3489c342393deef49828d8d633570916
Link:
https://www.unpac.me/results/5b882a02-7c1f-45ce-a772-eab863ddfcae/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/5454ec6037767c7c675551dafd7c023e8bd974f7fce965aa94505b19151895f2

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: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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

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/143888/

Comments