MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d72b9ebc71193849d196a3962f735f5bc49b4be81d099317582f199008580704. 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: 19


Intelligence 19 IOCs YARA 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d72b9ebc71193849d196a3962f735f5bc49b4be81d099317582f199008580704
SHA3-384 hash: c51a65442e637dac26cebad661fa584e82e306d38378a4ef6b7af9c069d47bc28ef8be3a2f51ca02e28144ad2d2d0997
SHA1 hash: b3258d742c47e67c87a691b6b43750933c07938a
MD5 hash: 194ca2bf558f9cfb12c8a3c9462bfb34
humanhash: sink-colorado-juliet-pasta
File name:194ca2bf558f9cfb12c8a3c9462bfb34
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'000'960 bytes
First seen:2023-12-06 05:10:48 UTC
Last seen:2023-12-06 06:20:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:GYPtD/S+A6JTwvla6v7vl2eSx9Isr6EHsqtxyYzay+lsT:BBS+AaTwvvDYeMIsr5PzaysK
Threatray 300 similar samples on MalwareBazaar
TLSH T1FE25228432FC6BABE49A97F51661E2406374BC2BE07AC30D2DC574C90772F909662F97
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 zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
312
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
194ca2bf558f9cfb12c8a3c9462bfb34
Verdict:
Malicious activity
Analysis date:
2023-12-06 05:13:35 UTC
Tags:
rat remcos remote
Link:
https://app.any.run/tasks/90f4d3e8-7f41-43fd-bc5c-dee186bf3091

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/462755/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2562.18276.4003.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
DNS request
Sending an HTTP GET request
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Unauthorized injection to a system process
Adding an exclusion to Microsoft Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6570026618cffa73b1db98eb/reports/9d0ac629-1004-4934-a303-f275b15b2b38/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d72b9ebc71193849d196a3962f735f5bc49b4be81d099317582f199008580704
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/30ab9c17-2903-493d-bf20-1b4cb8068a8a
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1354405
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
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 schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
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: 1354405 Sample: s8aRB4FJwZ.exe Startdate: 06/12/2023 Architecture: WINDOWS Score: 100 40 grantadistciaret.com 2->40 42 geoplugin.net 2->42 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 11 other signatures 2->54 8 s8aRB4FJwZ.exe 7 2->8         started        12 mmPEHuiictvxj.exe 5 2->12         started        signatures3 process4 file5 36 C:\Users\user\AppData\...\mmPEHuiictvxj.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmpE121.tmp, XML 8->38 dropped 56 Uses schtasks.exe or at.exe to add and modify task schedules 8->56 58 Writes to foreign memory regions 8->58 60 Allocates memory in foreign processes 8->60 62 Adds a directory exclusion to Windows Defender 8->62 14 vbc.exe 3 13 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        64 Multi AV Scanner detection for dropped file 12->64 66 Machine Learning detection for dropped file 12->66 68 Injects a PE file into a foreign processes 12->68 24 schtasks.exe 1 12->24         started        26 vbc.exe 12->26         started        signatures6 process7 dnsIp8 44 grantadistciaret.com 107.173.143.18, 3212, 49706 AS-COLOCROSSINGUS United States 14->44 46 geoplugin.net 178.237.33.50, 49708, 80 ATOM86-ASATOM86NL Netherlands 14->46 70 Contains functionality to bypass UAC (CMSTPLUA) 14->70 72 Contains functionalty to change the wallpaper 14->72 74 Contains functionality to steal Chrome passwords or cookies 14->74 76 4 other signatures 14->76 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 22->32         started        34 conhost.exe 24->34         started        signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d72b9ebc71193849d196a3962f735f5bc49b4be81d099317582f199008580704
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d72b9ebc71193849d196a3962f735f5bc49b4be81d099317582f199008580704/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-12-05 15:01:23 UTC
File Type:
PE (.Net Exe)
Extracted files:
28
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=24vz5pdrde4etumwuolc6427lpcjws7iduezgf2yf4mzaccya4ca._file
Verdict:
malicious
Similar samples:
3198d00651176dccb2f68869fd1fb7882daa1073006b963b2dc254f4e28fddf2
RemcosRAT
394633bc848d312c2e79e48b1b10eadbce297624c6b844d4f643d93b1fb33c35
RemcosRAT
5931ddeea405cd4878d2fd6e340d55021a71dfd2619e56e7e5c5bbad0488db34
RemcosRAT
9800e49faf5017b5424f318e495975f0d8f48934fc0ee112353bac87547277dc
RemcosRAT
cd8abb2ea9df744b0a0ba5aef827e7fbe76b4d3e36f2aaef02cf86e45fbf4002
RemcosRAT
d134c531dc1702e7fb2efb1b65146a367b76cd97c78e23492f2a45719bc80a2a
RemcosRAT
+ 290 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:grace rat
Link:
https://tria.ge/reports/231206-ft9r5sbe44/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
grantadistciaret.com:3212
Unpacked files
SH256 hash:
4a35390eaa5a0b63a425e13d7f9cc53c434974518588b90db938c68fd4bd4cd4
MD5 hash:
a7f90e9b2e52a930225bf7348deb9646
SHA1 hash:
fe62a037af9e65a088b98591255e075d7fdf48ce
Link:
https://www.unpac.me/results/fe0981f8-3747-412a-8fa3-485a627aded3/
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
Link:
https://www.unpac.me/results/fe0981f8-3747-412a-8fa3-485a627aded3/
SH256 hash:
cf0bc44ce17f3691873b5d4b1048d2ee37966fed0d6f9aefe82a63d5e3a44381
MD5 hash:
4c9dcdd5946caffba47fd4218404d384
SHA1 hash:
4f733af9d4a0eef8aa55968c2971f5d6ae1f0f57
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/fe0981f8-3747-412a-8fa3-485a627aded3/
Parent samples :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 hash:
815350434c2301e217a3f4c53fc74be0d3fcee0308f52c332e212dcf9663f9ec
MD5 hash:
f52a956c3ffe2d62323a87321b84a779
SHA1 hash:
30d60762518edef136ba6df8244afc81309e4200
Link:
https://www.unpac.me/results/fe0981f8-3747-412a-8fa3-485a627aded3/
SH256 hash:
d72b9ebc71193849d196a3962f735f5bc49b4be81d099317582f199008580704
MD5 hash:
194ca2bf558f9cfb12c8a3c9462bfb34
SHA1 hash:
b3258d742c47e67c87a691b6b43750933c07938a
Link:
https://www.unpac.me/results/fe0981f8-3747-412a-8fa3-485a627aded3/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d72b9ebc7119/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/d72b9ebc71193849d196a3962f735f5bc49b4be81d099317582f199008580704

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:NET
Create hunting rule
Author:malware-lu
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.

Web download

RemcosRAT

Executable exe d72b9ebc71193849d196a3962f735f5bc49b4be81d099317582f199008580704

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2737929/
Cape
Cape
https://www.capesandbox.com/analysis/462755/

Comments


Avatar
zbet commented on 2023-12-06 05:10:49 UTC

url : hxxp://172.245.142.51/250/wlanext.exe