MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f23af58c2cf4e24dc720b940dfcbb7a12793de187354f892b8ee9cbec7c3332e. 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: f23af58c2cf4e24dc720b940dfcbb7a12793de187354f892b8ee9cbec7c3332e
SHA3-384 hash: 5a37dda7a25a6c6a098d8eb742f956b794e9d155ff5bda7791a638559d5821b373cc50cc593235882fd7cf5157152ab0
SHA1 hash: c969571c23feb68a77625111cf86130a2806a85d
MD5 hash: e0516fbf7582151fe90b672925f75734
humanhash: single-burger-enemy-july
File name:List_of_items.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:905'728 bytes
First seen:2022-11-29 02:37:38 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:MlU376ClbUSAVcP8Efwp2/PD94f2lskFgqIyXYQ:XnfM12HPDE26kVX
Threatray 2'279 similar samples on MalwareBazaar
TLSH T1C615011422B57FBAC67DDF7A951032003FF0AF589231FA1AFCBB71988D269101E53A61
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 malware_traffic
Tags:exe RAT remcos RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
252
Origin country :
US US
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
List_of_items.exe
Verdict:
Malicious activity
Analysis date:
2022-11-29 02:39:44 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/40e677e8-88c0-4f72-b7a9-d81206db76f1

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/339567/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.9771.UNOFFICIAL
Create hunting rule

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
Setting a keyboard event handler
DNS request
Sending an HTTP GET request
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
mokes packed remcos
Link:
https://www.filescan.io/uploads/6385708a00c584752ee25986/reports/bd4d9de7-73af-4da2-808b-c3babc9bfff5/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a06daa47-1936-4cd5-87fd-9c0563bc2cfb
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1122980
Signature
.NET source code contains method to dynamically call methods (often used by packers)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 755703 Sample: List_of_items.exe Startdate: 29/11/2022 Architecture: WINDOWS Score: 100 46 Multi AV Scanner detection for domain / URL 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Sigma detected: Scheduled temp file as task from temp location 2->50 52 9 other signatures 2->52 7 List_of_items.exe 6 2->7         started        11 hXFVhOKfmWvZk.exe 5 2->11         started        process3 file4 32 C:\Users\user\AppData\...\hXFVhOKfmWvZk.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmp5CD7.tmp, XML 7->34 dropped 36 C:\Users\user\...\List_of_items.exe.log, ASCII 7->36 dropped 54 Uses schtasks.exe or at.exe to add and modify task schedules 7->54 56 Injects a PE file into a foreign processes 7->56 13 List_of_items.exe 2 16 7->13         started        18 schtasks.exe 1 7->18         started        58 Multi AV Scanner detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 20 schtasks.exe 1 11->20         started        22 hXFVhOKfmWvZk.exe 11->22         started        24 hXFVhOKfmWvZk.exe 11->24         started        26 hXFVhOKfmWvZk.exe 11->26         started        signatures5 process6 dnsIp7 40 drremcoz1.ddns.net 185.246.220.39, 1307, 49700 LVLT-10753US Germany 13->40 42 geoplugin.net 178.237.33.50, 49701, 80 ATOM86-ASATOM86NL Netherlands 13->42 44 192.168.2.1 unknown unknown 13->44 38 C:\ProgramData\remcos\logs.dat, data 13->38 dropped 62 Installs a global keyboard hook 13->62 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f23af58c2cf4e24dc720b940dfcbb7a12793de187354f892b8ee9cbec7c3332e/
Threat name:
ByteCode-MSIL.Backdoor.Mokes
Create hunting rule
Status:
Malicious
First seen:
2022-11-24 18:10:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6i5pldbm6tre3rzaxfan7s5xuetzhxqyonkprevy52ol5r6dgmxa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
RemcosRAT
7fe73c463ac777aa61709aa357a27b09d8faae7833219399c3a92c6f692c11f4
RemcosRAT
9432004daa7e7748848e802b7a769efe47f147d54fcad12471d03d261c3bc5c0
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
ad87f3ad6fb14d2b79d7b7aac1b38bc04fd20757460da0f02cac139408df9969
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
e68ebc948356b0560fee06f52939504005fd848a93ccc41b4840c1db318a5409
RemcosRAT
+ 2'269 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/221129-c4pyyaha78/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
drremcoz1.ddns.net:1307
Unpacked files
SH256 hash:
683efe74532bed30e1f0a73e9e7485e2d11e444b7766cd7d2611d84ecc79fa22
MD5 hash:
c5124d216e7b0f383ba7e05b69d84379
SHA1 hash:
9e07ed49d15d00e15d5b603e2b74902284cb560a
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/464633b8-9c8d-4479-9be3-fe003cbe3d84/
Parent samples :
d2153ad12373ea7fab1232d8e957da465e2a7a6b5439f34d9ba6e3e177ab6c76
45cd8dd797af4fd769eef00243134c46c38bd9e65e15d7bd2e9b834d5e8b3095
f23af58c2cf4e24dc720b940dfcbb7a12793de187354f892b8ee9cbec7c3332e
38e450e0f888c722ba57ed39900759397ede821614371832456b7fa29143aaba
f55af4e1b592a12334c4434887b9bfd7429b4218e9c4b3b7cef3e345f4489f06
a5d0f96c465bc9f36b29fb88333dc996f63c39ec6ed8cc2acb5a5b36ad31500f
SH256 hash:
91d907398494c43c52b518818da7183a64faa4d81092c69c55f6f7a6bd5fccb3
MD5 hash:
fd2efb1d90508735dee5a05153b65bae
SHA1 hash:
98e70c75c8896c0dee1db10f82f393a608bcd854
Link:
https://www.unpac.me/results/464633b8-9c8d-4479-9be3-fe003cbe3d84/
SH256 hash:
a327516357b9fa1a75753b3fbd0030e13f374be7cefcdf983d0b731f278b0c59
MD5 hash:
404efdeb9931733904da07f96fabeb72
SHA1 hash:
7ce363cd612f1d9a90b33ec196c4d0a49cdaee02
Link:
https://www.unpac.me/results/464633b8-9c8d-4479-9be3-fe003cbe3d84/
SH256 hash:
f23af58c2cf4e24dc720b940dfcbb7a12793de187354f892b8ee9cbec7c3332e
MD5 hash:
e0516fbf7582151fe90b672925f75734
SHA1 hash:
c969571c23feb68a77625111cf86130a2806a85d
Link:
https://www.unpac.me/results/464633b8-9c8d-4479-9be3-fe003cbe3d84/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f23af58c2cf4/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/f23af58c2cf4e24dc720b940dfcbb7a12793de187354f892b8ee9cbec7c3332e

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.

  
URLhaus
https://urlhaus.abuse.ch/url/2437593/
  
Delivery method
Distributed via e-mail link
Cape
Cape
https://www.capesandbox.com/analysis/339567/

Comments