MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca241f16b1ac84b101cdfcd8aa9afea521636dba24a5ffe08316c5da4bd68390. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca241f16b1ac84b101cdfcd8aa9afea521636dba24a5ffe08316c5da4bd68390
SHA3-384 hash: ec2f8c98848aba10739bc9defd13402d82904edb630aaaa02aa9b5f05d5bcf6f2cf6bc94adaf23d9aff4a26a6e8cbe08
SHA1 hash: a203884c92670928ed80e0bdf4c08fcc1f93b1e5
MD5 hash: b7e69d837badce7f4a8f515b9956131c
humanhash: south-march-asparagus-alpha
File name:INQUIRY DATA SPECIFICATION.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:994'816 bytes
First seen:2022-11-26 17:31:54 UTC
Last seen:2022-11-26 19:29:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'634 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:aSgh/PM1kv/TQFR0TjqM4V4Kv1zPDhm4VnkC:a1h/01ks/Ojq/lz78499
Threatray 7'693 similar samples on MalwareBazaar
TLSH T1F4256ACB2F300E84CB5E34715D8D1B8466523DA149F59CF22B35AB786D468BFA69233C
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
304
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
INQUIRY DATA SPECIFICATION.exe
Verdict:
Malicious activity
Analysis date:
2022-11-26 17:34:58 UTC
Tags:
trojan rat remcos stealer keylogger
Link:
https://app.any.run/tasks/974688ed-7b89-4809-a627-b4befa80c4c9

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/338830/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1617.6056.26693.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63824d97090ea3f049349ed5/reports/fe3e6053-3124-4d9f-92d0-5f519e269e38/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/81aef13c-dbda-4d54-9290-e80787aeba78
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1121657
Signature
.NET source code contains potential unpacker
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 sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 754374 Sample: INQUIRY DATA SPECIFICATION.exe Startdate: 26/11/2022 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic 2->47 49 Multi AV Scanner detection for domain / URL 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 11 other signatures 2->53 8 INQUIRY DATA SPECIFICATION.exe 3 2->8         started        process3 file4 31 C:\...\INQUIRY DATA SPECIFICATION.exe.log, ASCII 8->31 dropped 55 Injects a PE file into a foreign processes 8->55 12 INQUIRY DATA SPECIFICATION.exe 2 16 8->12         started        signatures5 process6 dnsIp7 37 valvesco.duckdns.org 85.31.46.94, 49696, 49697, 5050 CLOUDCOMPUTINGDE Germany 12->37 39 geoplugin.net 178.237.33.50, 49698, 80 ATOM86-ASATOM86NL Netherlands 12->39 33 C:\ProgramData\remcos\logs.dat, data 12->33 dropped 57 Maps a DLL or memory area into another process 12->57 59 Installs a global keyboard hook 12->59 17 INQUIRY DATA SPECIFICATION.exe 1 12->17         started        20 INQUIRY DATA SPECIFICATION.exe 1 12->20         started        22 INQUIRY DATA SPECIFICATION.exe 12->22         started        24 29 other processes 12->24 file8 signatures9 process10 signatures11 41 Tries to steal Instant Messenger accounts or passwords 17->41 43 Tries to steal Mail credentials (via file / registry access) 17->43 45 Tries to harvest and steal browser information (history, passwords, etc) 24->45 26 WerFault.exe 24 11 24->26         started        29 WerFault.exe 24->29         started        process12 dnsIp13 35 192.168.2.1 unknown unknown 26->35
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ca241f16b1ac84b101cdfcd8aa9afea521636dba24a5ffe08316c5da4bd68390/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-11-24 02:26:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
29 of 41 (70.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zisb6fvrvsclcaon7tmkvgx6uuqwg3n2ess77yedc3c5us6wqoia._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
4c26268e01117b5cf41d2f14689452912d708e64af0040ed75a40c94b0a943ea
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
ad87f3ad6fb14d2b79d7b7aac1b38bc04fd20757460da0f02cac139408df9969
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
e68ebc948356b0560fee06f52939504005fd848a93ccc41b4840c1db318a5409
RemcosRAT
+ 7'683 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:auto collection rat spyware stealer
Link:
https://tria.ge/reports/221126-v4as5aef5x/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
valvesco.duckdns.org:5050
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c4fcfa69-0d6c-4a29-9a42-950752e5ee37
Unpacked files
SH256 hash:
72b6156be0cbb56d5fc55b0993bac5d4450fe70fd949720e7d4a617d5c81a925
MD5 hash:
cf305053d5ef1e767524b49c02db99fd
SHA1 hash:
ca653bc64869c05e4cd059fe856d23ae260b7790
Link:
https://www.unpac.me/results/989fd6bd-2e81-488c-bcfc-2b04c1db4ca1/
SH256 hash:
714466cd06683ee6c11ed36a27efce3d8adff7093938ad28eae58a2d9541cbbf
MD5 hash:
d65c0c00f5484a12f830b644cc30c43c
SHA1 hash:
bee1502b957dcd6f92053a4dd0e603d61ed2a5d1
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/989fd6bd-2e81-488c-bcfc-2b04c1db4ca1/
Parent samples :
dad8d517b4d8c9c237085ebd5c4e36a964eb8a10f723c92799241572a146f409
32c43439c840febd8ee477a50e80745068c13a938654ca9bd786cb6f74a49558
68d44e1e8d9f36a90db840802afc7b45b08a982431c1b9355771c39e8904f9c7
eaeecfd412b020ab4748982eb74492d9d0e176911d76ea0298773d1e8f2fd4ac
ca241f16b1ac84b101cdfcd8aa9afea521636dba24a5ffe08316c5da4bd68390
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/989fd6bd-2e81-488c-bcfc-2b04c1db4ca1/
SH256 hash:
d0501c43676801815dd3644c0a1b16b8adb7f6f6346e9ffb21269f23938af19d
MD5 hash:
c381b8518541dd909420f1c2487c2ee3
SHA1 hash:
341825e9b7aaa611ca4a7bef509a69df7e22c617
Link:
https://www.unpac.me/results/989fd6bd-2e81-488c-bcfc-2b04c1db4ca1/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/989fd6bd-2e81-488c-bcfc-2b04c1db4ca1/
SH256 hash:
ca241f16b1ac84b101cdfcd8aa9afea521636dba24a5ffe08316c5da4bd68390
MD5 hash:
b7e69d837badce7f4a8f515b9956131c
SHA1 hash:
a203884c92670928ed80e0bdf4c08fcc1f93b1e5
Link:
https://www.unpac.me/results/989fd6bd-2e81-488c-bcfc-2b04c1db4ca1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ca241f16b1ac/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/ca241f16b1ac84b101cdfcd8aa9afea521636dba24a5ffe08316c5da4bd68390

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.

Malspam

RemcosRAT

Executable exe ca241f16b1ac84b101cdfcd8aa9afea521636dba24a5ffe08316c5da4bd68390

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/338830/

Comments