MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bdaeb27128a9d6dbcd93b0844d57e6de8a03ec3b53b1380f41523ec35ad6af18. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bdaeb27128a9d6dbcd93b0844d57e6de8a03ec3b53b1380f41523ec35ad6af18
SHA3-384 hash: e3a4ef4692bda313b16d217d276012633c350d0d549e29a4488e571b2fc2e10236555c1f50f9e2c8f053f3496c70e8c6
SHA1 hash: f03248bf1ca4866bb9a6f417a31a52e79ce325c7
MD5 hash: f830e941c9f88095301a0a9b904c7187
humanhash: helium-fix-minnesota-stream
File name:BUHDEUGH23.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'011'712 bytes
First seen:2023-10-16 10:10:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:JT64oYNcw/OKOXr3cJWRbXmXYPl8etNie:JhBWUsXraiXmafi
Threatray 2'996 similar samples on MalwareBazaar
TLSH T1A6250196D680C684EC6A1FB86033AD25C3B77D36B8B5E28D5D4C74E42BB33D61062D87
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 0307612c88000000 (65 x AgentTesla, 47 x RemcosRAT, 9 x MassLogger)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
194.147.140.148:1998

Intelligence

File Origin
# of uploads :
1
# of downloads :
378
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
BUHDEUGH23.exe
Verdict:
Malicious activity
Analysis date:
2023-10-16 10:11:42 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/2e46f8de-b57f-44ed-adf9-08c55b73eaa6

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/454817/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Creating a process with a hidden window
Launching a process
Restart of the analyzed sample
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/652d0c364a70eb0012f91d20/reports/0c1e988b-532c-467f-9917-219ee956a2a2/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/bdaeb27128a9d6dbcd93b0844d57e6de8a03ec3b53b1380f41523ec35ad6af18
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:
Unknown
Link:
https://analyze.intezer.com/analyses/15b3f3b3-b554-4692-b355-029087ff8cf1
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1326374
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic
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: 1326374 Sample: BUHDEUGH23.exe Startdate: 16/10/2023 Architecture: WINDOWS Score: 100 39 geoplugin.net 2->39 45 Snort IDS alert for network traffic 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 10 other signatures 2->51 8 EOHEZuNwtakcSq.exe 5 2->8         started        11 BUHDEUGH23.exe 7 2->11         started        signatures3 process4 file5 55 Multi AV Scanner detection for dropped file 8->55 57 Contains functionality to bypass UAC (CMSTPLUA) 8->57 59 Contains functionalty to change the wallpaper 8->59 67 6 other signatures 8->67 14 schtasks.exe 1 8->14         started        16 EOHEZuNwtakcSq.exe 8->16         started        35 C:\Users\user\AppData\...OHEZuNwtakcSq.exe, PE32 11->35 dropped 37 C:\Users\user\AppData\Local\...\tmp621B.tmp, XML 11->37 dropped 61 Uses schtasks.exe or at.exe to add and modify task schedules 11->61 63 Adds a directory exclusion to Windows Defender 11->63 65 Injects a PE file into a foreign processes 11->65 18 BUHDEUGH23.exe 2 15 11->18         started        23 powershell.exe 19 11->23         started        25 schtasks.exe 1 11->25         started        signatures6 process7 dnsIp8 27 conhost.exe 14->27         started        41 194.147.140.148, 1998, 49745 PTPEU unknown 18->41 43 geoplugin.net 178.237.33.50, 49746, 80 ATOM86-ASATOM86NL Netherlands 18->43 33 C:\ProgramData\remcos\logs.dat, data 18->33 dropped 53 Installs a global keyboard hook 18->53 29 conhost.exe 23->29         started        31 conhost.exe 25->31         started        file9 signatures10 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bdaeb27128a9d6dbcd93b0844d57e6de8a03ec3b53b1380f41523ec35ad6af18
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bdaeb27128a9d6dbcd93b0844d57e6de8a03ec3b53b1380f41523ec35ad6af18/
Threat name:
Win32.Trojan.Znyonm
Create hunting rule
Status:
Malicious
First seen:
2023-10-16 10:11:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xwxle4jivhlnxtmtwcce2v7g32fah3b3koytqd2bki7mgwwwv4ma._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
agenttesla
Create hunting rule
Similar samples:
1c6b0eb5c224c46a65fb5022852905a1293a148bd97bb81593b813e8ed814ba8
RemcosRAT
483d7f7379d43c9fb3effb226cb58a443f48105bda3a9a6310a76729d7c1b3bd
RemcosRAT
4eecb3d02825158bc36d86c8d75f37137a11576eb8fb9fec7e592648fd369f96
RemcosRAT
50c55b209d899514903835fbded92e680b34cd34e24aac9d3919522c42b543d4
RemcosRAT
7a9e4659261f4a3c4744f60dfdb170ebc705756a6b921621c24d85c4a2876318
RemcosRAT
8278a87cb192844a46818c28aba0106879e1c368366fc52064d2c7943f3f197b
RemcosRAT
9a00523dfd6d321adb4fffbb54a1550055dde6301dddba3a5157a4169b11d462
RemcosRAT
+ 2'986 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:fire rat
Link:
https://tria.ge/reports/231016-l7xydsdd2s/
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:
194.147.140.148:1998
Unpacked files
SH256 hash:
b1270dc9ec3f22c6fd2296239426ac7c48589589580d4a1b3da8188920b22a63
MD5 hash:
5c904da8528cfb1b87b15a6aa7c059cd
SHA1 hash:
f0a192969485d1bc34bf52adf37d9c20176d6b85
Link:
https://www.unpac.me/results/a4af8ddf-308d-4f26-a92d-485f96966124/
SH256 hash:
337728571aa4e98f0ecdd2c4fa1ce223ce7f7111b876a53d2f1c7ce2a04833e9
MD5 hash:
c90ce78213930d74aaf96564a21ee833
SHA1 hash:
94b3de6234e3aedd146f8695b13c44e6152b9120
Link:
https://www.unpac.me/results/a4af8ddf-308d-4f26-a92d-485f96966124/
SH256 hash:
be4b62dde8ea819da76e898b0e64a7858be2e5f598233ed0d5474e0996db52b1
MD5 hash:
9aa83a0233f21419a96f5a1201adb4aa
SHA1 hash:
7fa0fe91070505550da96f11698259749ba824db
Link:
https://www.unpac.me/results/a4af8ddf-308d-4f26-a92d-485f96966124/
SH256 hash:
c899dc37b2a909e7c23e9a9c273a4557f40676864c4138af3c6b51532fb3a309
MD5 hash:
b78e50873e9dc685dad770fc43956906
SHA1 hash:
381909173bb1dda0647982772dc7620cbd59c9e9
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/a4af8ddf-308d-4f26-a92d-485f96966124/
Parent samples :
50c55b209d899514903835fbded92e680b34cd34e24aac9d3919522c42b543d4
bdaeb27128a9d6dbcd93b0844d57e6de8a03ec3b53b1380f41523ec35ad6af18
SH256 hash:
bdaeb27128a9d6dbcd93b0844d57e6de8a03ec3b53b1380f41523ec35ad6af18
MD5 hash:
f830e941c9f88095301a0a9b904c7187
SHA1 hash:
f03248bf1ca4866bb9a6f417a31a52e79ce325c7
Link:
https://www.unpac.me/results/a4af8ddf-308d-4f26-a92d-485f96966124/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bdaeb27128a9/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/bdaeb27128a9d6dbcd93b0844d57e6de8a03ec3b53b1380f41523ec35ad6af18

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: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_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.

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/454817/

Comments