MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52e86b12783755a700ee53510574a5a3d99ecf2bfa5468438a5addef9bfe75c4. 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: 18


Intelligence 18 IOCs YARA 16 File information Comments 1
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SHA256 hash: 52e86b12783755a700ee53510574a5a3d99ecf2bfa5468438a5addef9bfe75c4
SHA3-384 hash: 9a9ab10feed054efd84e749c6b390abe01041ec71c5af62ac23c0b8723ce0ea95bff0d1e885e2c8380d38899609446cb
SHA1 hash: c08296a770478d90efc5c23312a9956a29c59bca
MD5 hash: f26a2f5b20109013af6303c9adc2546d
humanhash: low-nine-chicken-early
File name:f26a2f5b20109013af6303c9adc2546d
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'119'232 bytes
First seen:2023-11-01 09:19:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 24576:lz4w06LqN1BKv9EQVTXq3oFzYg6qFfqPDx8FV:lcw06LqN1BKv9TVT64FUg0D
Threatray 2'754 similar samples on MalwareBazaar
TLSH T11135DF6621F9DBB6C56143F560ACA15FF374560F7060EA548E81E8ED78B0BC089A1BF3
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon d4d4a2aeaea6c0cc (1 x AgentTesla, 1 x RemcosRAT, 1 x RedLineStealer)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
408
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
f26a2f5b20109013af6303c9adc2546d
Verdict:
Malicious activity
Analysis date:
2023-11-01 09:43:09 UTC
Tags:
rat remcos remote keylogger
Link:
https://app.any.run/tasks/0cb0caec-625d-42ce-8fb7-01fceddf425a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/457596/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2504.10035.17898.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Setting a keyboard event handler
DNS request
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6542184cbc703e36b0967939/reports/b5424d73-8e5c-4863-873d-44602e481dab/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/52e86b12783755a700ee53510574a5a3d99ecf2bfa5468438a5addef9bfe75c4
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/4a80ff15-87c0-44e3-bb41-e2b5cbfc5969
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1335362
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
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 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
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1335362 Sample: NW2rFUOlOQ.exe Startdate: 01/11/2023 Architecture: WINDOWS Score: 100 44 sembe.duckdns.org 2->44 46 geoplugin.net 2->46 54 Multi AV Scanner detection for domain / URL 2->54 56 Found malware configuration 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 12 other signatures 2->60 8 wHialOJobqlY.exe 5 2->8         started        11 NW2rFUOlOQ.exe 7 2->11         started        14 svchost.exe 1 1 2->14         started        signatures3 process4 dnsIp5 64 Multi AV Scanner detection for dropped file 8->64 66 Contains functionality to bypass UAC (CMSTPLUA) 8->66 68 Contains functionalty to change the wallpaper 8->68 76 6 other signatures 8->76 17 schtasks.exe 1 8->17         started        19 wHialOJobqlY.exe 8->19         started        40 C:\Users\user\AppData\...\wHialOJobqlY.exe, PE32 11->40 dropped 42 C:\Users\user\AppData\Local\...\tmp9A8B.tmp, XML 11->42 dropped 70 Uses schtasks.exe or at.exe to add and modify task schedules 11->70 72 Adds a directory exclusion to Windows Defender 11->72 74 Injects a PE file into a foreign processes 11->74 21 NW2rFUOlOQ.exe 3 15 11->21         started        26 powershell.exe 23 11->26         started        28 schtasks.exe 1 11->28         started        30 NW2rFUOlOQ.exe 11->30         started        52 127.0.0.1 unknown unknown 14->52 file6 signatures7 process8 dnsIp9 32 conhost.exe 17->32         started        48 sembe.duckdns.org 194.187.251.115, 14645, 49738 M247GB United Kingdom 21->48 50 geoplugin.net 178.237.33.50, 49740, 80 ATOM86-ASATOM86NL Netherlands 21->50 38 C:\Users\user\AppData\Roaming\...\logs.dat, data 21->38 dropped 62 Installs a global keyboard hook 21->62 34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        file10 signatures11 process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/52e86b12783755a700ee53510574a5a3d99ecf2bfa5468438a5addef9bfe75c4
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/52e86b12783755a700ee53510574a5a3d99ecf2bfa5468438a5addef9bfe75c4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-01 09:20:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=klugwetyg5k2oahokniqk5ffupmz5tzl7jkgqq4kllo67g76oxca._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1c6b0eb5c224c46a65fb5022852905a1293a148bd97bb81593b813e8ed814ba8
RemcosRAT
4eecb3d02825158bc36d86c8d75f37137a11576eb8fb9fec7e592648fd369f96
RemcosRAT
78102b887c7ecb520ae761e502e0a2e20184d3b081f2d99e6ecdbc31d163322f
RemcosRAT
8278a87cb192844a46818c28aba0106879e1c368366fc52064d2c7943f3f197b
RemcosRAT
8a7703a7a13f95e6e58aac075b70bc322355e7f683e04824c17407a1881838cf
RemcosRAT
bd9df3adf1e6c84fcab2206d63d2f02e3f1ce1b715c09459d21ff47c09cac2f8
RemcosRAT
d3ff2d6413233eceb1cd5f1953d37a62e4fd3228dc88333d0e12f88ce465fa50
RemcosRAT
+ 2'744 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/231101-larecaed6w/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
sembe.duckdns.org:14645
Unpacked files
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/b82b76c7-21c5-4972-b618-974f75df4bf8/
SH256 hash:
a175371e9373a87e16ced87d403fb50247705163ea786a5eba3209cb66ed4390
MD5 hash:
b1db2292ba6cdddc3237f97f0ee0324f
SHA1 hash:
bfb619c64db6473bf8dbbf91c75a430945707ab3
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/b82b76c7-21c5-4972-b618-974f75df4bf8/
Parent samples :
52e86b12783755a700ee53510574a5a3d99ecf2bfa5468438a5addef9bfe75c4
a175371e9373a87e16ced87d403fb50247705163ea786a5eba3209cb66ed4390
f4eaa74eb268a58cff6f5d37607758bd49cc00af060da799857ae10cfd59efb2
SH256 hash:
321b9837024c717dd5b2ad4217a7e2734e368bdb58918437baf42f46a34149b1
MD5 hash:
91412a60691a2512ab0becb2f7002a32
SHA1 hash:
70fe342dd601a4b6a3fb67202c9ea3b3fea31b5c
Link:
https://www.unpac.me/results/b82b76c7-21c5-4972-b618-974f75df4bf8/
SH256 hash:
b8bba507a4f3ae296473caa80f7a1810dd847987ba3f63fa8819566adfb70805
MD5 hash:
5255dd53864218a58f993a8911e04b3d
SHA1 hash:
6a4bf28fbc25c5a1a72ea40bcdd3e336bb66679b
Link:
https://www.unpac.me/results/b82b76c7-21c5-4972-b618-974f75df4bf8/
SH256 hash:
52e86b12783755a700ee53510574a5a3d99ecf2bfa5468438a5addef9bfe75c4
MD5 hash:
f26a2f5b20109013af6303c9adc2546d
SHA1 hash:
c08296a770478d90efc5c23312a9956a29c59bca
Link:
https://www.unpac.me/results/b82b76c7-21c5-4972-b618-974f75df4bf8/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/52e86b127837/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/52e86b12783755a700ee53510574a5a3d99ecf2bfa5468438a5addef9bfe75c4

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

Web download

RemcosRAT

Executable exe 52e86b12783755a700ee53510574a5a3d99ecf2bfa5468438a5addef9bfe75c4

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/457596/
  
URLhaus
https://urlhaus.abuse.ch/url/2726931/

Comments


Avatar
zbet commented on 2023-11-01 09:19:48 UTC

url : hxxp://146.70.78.28/3500/IGCC.exe