MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e32447ea3b5f07c7f6a180269f5443378acb32c5d0e0bf01a5e39264f691587. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3e32447ea3b5f07c7f6a180269f5443378acb32c5d0e0bf01a5e39264f691587
SHA3-384 hash: c202b7566dc53f50a4ab1859139791eca25bdf6c263fc2f82b873c635a8a90739dcb78c4db9063c407c3387d5c6b25e3
SHA1 hash: 906b4b04b638f9bea41a39649f3a69cac64a9c98
MD5 hash: 8f70e913513b30a144165829ba3261bb
humanhash: paris-two-twenty-violet
File name:8f70e913513b30a144165829ba3261bb.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:494'592 bytes
First seen:2024-01-22 09:43:56 UTC
Last seen:2024-12-13 05:38:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 8d5087ff5de35c3fbb9f212b47d63cad (170 x RemcosRAT)
ssdeep 6144:8XIktXfM8Lv86r9uVWAa2je4Z5zl4hgDHQQs4NTQjoHFsAOZZsAX4cNE5Gv:8X7tPMK8ctGe4Dzl4h2QnuPs/Zs9cv
Threatray 3'326 similar samples on MalwareBazaar
TLSH T1ABB49E01BAD1C072D57524300D36F776EAB8BD2018364A7BB3D61D5BFE31190B62AAB7
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
4
# of downloads :
335
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
http://122.176.133.66:8080/rem1.zip
Verdict:
Malicious activity
Analysis date:
2024-01-21 15:22:56 UTC
Tags:
keylogger rat remcos remote
Link:
https://app.any.run/tasks/9a479757-dcae-4f8a-8dd3-ebf359fd8807

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/472228/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Win.Trojan.Remcos-10002580-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Creating a process from a recently created file
Setting a keyboard event handler
Creating a window
Launching a process
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
crypto evasive exploit explorer fingerprint fingerprint hook keylogger lolbin remcos shell32
Link:
https://www.filescan.io/uploads/65ae38e487258803c23ba0b5/reports/144a8e16-63a4-428a-a38a-5688b86bbbeb/overview
Verdict:
Malicious
Labled as:
Remcos.Generic
Link:
https://www.hybrid-analysis.com/sample/3e32447ea3b5f07c7f6a180269f5443378acb32c5d0e0bf01a5e39264f691587
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/6f3f1fe8-f1c2-4221-8565-12e4602b5efb
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1378603
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Found evasive API chain (may stop execution after checking mutex)
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
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 dropped file
Multi AV Scanner detection for submitted file
Tries to harvest and steal browser information (history, passwords, etc)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1378603 Sample: vYGg53IM8T.exe Startdate: 22/01/2024 Architecture: WINDOWS Score: 100 27 geoplugin.net 2->27 33 Found malware configuration 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus detection for URL or domain 2->37 39 6 other signatures 2->39 8 vYGg53IM8T.exe 2 4 2->8         started        12 Windriver.exe 2->12         started        14 Windriver.exe 2->14         started        16 Windriver.exe 2->16         started        signatures3 process4 file5 25 C:\ProgramData\WinDriver\Windriver.exe, PE32 8->25 dropped 57 Contains functionality to bypass UAC (CMSTPLUA) 8->57 59 Contains functionalty to change the wallpaper 8->59 61 Creates autostart registry keys with suspicious names 8->61 63 4 other signatures 8->63 18 Windriver.exe 5 515 8->18         started        signatures6 process7 dnsIp8 29 122.176.133.66, 2404, 49705, 49706 AIRTELBROADBAND-AS-APBhartiAirtelLtdTelemediaServices India 18->29 31 geoplugin.net 178.237.33.50, 49707, 80 ATOM86-ASATOM86NL Netherlands 18->31 41 Antivirus detection for dropped file 18->41 43 Multi AV Scanner detection for dropped file 18->43 45 Contains functionality to bypass UAC (CMSTPLUA) 18->45 47 9 other signatures 18->47 22 svchost.exe 18->22         started        signatures9 process10 signatures11 49 Contains functionality to bypass UAC (CMSTPLUA) 22->49 51 Found evasive API chain (may stop execution after checking mutex) 22->51 53 Contains functionalty to change the wallpaper 22->53 55 3 other signatures 22->55
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3e32447ea3b5f07c7f6a180269f5443378acb32c5d0e0bf01a5e39264f691587
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/3e32447ea3b5f07c7f6a180269f5443378acb32c5d0e0bf01a5e39264f691587/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-01-20 16:35:35 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hyzei7vdwxyhy73kdabgt5kegn4kzmzmluhax4a2ly4smt3jcwdq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
17d18a7a41119c12455a644fefca70b4504db83e0122d6dc2652f46f98de8992
RemcosRAT
1d594311e4d7dae3812674927df0fdf132fb5ab2d9613b445777282f7a3ee170
RemcosRAT
3cb93d166196c1400e069fd437153d956df26d587c969c2c1a525874633a1e99
RemcosRAT
412c4f354965eb514a79001b512c70e8d36e1d443fe599aca0916893eab369ef
RemcosRAT
579436ed344fb30bf3a831868b541e55c61c4289275821d2f14c4bc71afc930b
RemcosRAT
c5898ac379acfcd23bedfceff198bf5e738921bf61b299ca47bdd8c223199515
RemcosRAT
ca49853927005b03dcbfc86f17f34e28120cb37f0a9cd9ead30b38f9c9a7b816
RemcosRAT
+ 3'316 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:latestrem persistence rat spyware stealer
Link:
https://tria.ge/reports/240122-lqgj3sdha8/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Remcos
Malware Config
C2 Extraction:
122.176.133.66:2404
122.176.133.66:2667
Unpacked files
SH256 hash:
3e32447ea3b5f07c7f6a180269f5443378acb32c5d0e0bf01a5e39264f691587
MD5 hash:
8f70e913513b30a144165829ba3261bb
SHA1 hash:
906b4b04b638f9bea41a39649f3a69cac64a9c98
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
Link:
https://www.unpac.me/results/c616ec10-7759-4556-8550-ba241ba7c4f7/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3e32447ea3b5/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/3e32447ea3b5f07c7f6a180269f5443378acb32c5d0e0bf01a5e39264f691587

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: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:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
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_rat_unpacked
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
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.

Cape
Cape
https://www.capesandbox.com/analysis/472228/

Comments