MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5bc991d8b0e51e45a1b9b9baa71dda7f7dfd8e769e3a641d0cda1077bd01b04. 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: 17


Intelligence 17 IOCs YARA 4 File information Comments
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SHA256 hash: d5bc991d8b0e51e45a1b9b9baa71dda7f7dfd8e769e3a641d0cda1077bd01b04
SHA3-384 hash: fa0ab2a3afcd7ed35359a6e98238384ee4745d046e4ad2169fa7c1c4933fe2595795760da3d7ae56ae9d6f8d287c4474
SHA1 hash: f9d174070758ad9bafb3598f24495d47ecee936d
MD5 hash: 7e2567feb06347258efd3722683a8cee
humanhash: texas-timing-lion-avocado
File name:PO-2413120.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'012'736 bytes
First seen:2024-01-31 14:11:46 UTC
Last seen:2024-01-31 15:33:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:KMr8bshYpK2r0L05CQAeqKML9eT9qrTInWKraA:zwbYtL05lAeHMLstNr
Threatray 3'571 similar samples on MalwareBazaar
TLSH T1C6251203B1ACC32CDA6842B63938423152A8EF6B5451DB86FCD4FDBF1A7724C5B166E4
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 ecec889ce6d8e8f0 (40 x Formbook, 21 x AgentTesla, 12 x SnakeKeylogger)
Reporter James_inthe_box
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
310
Origin country :
US US
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
d5bc991d8b0e51e45a1b9b9baa71dda7f7dfd8e769e3a641d0cda1077bd01b04.exe
Verdict:
Malicious activity
Analysis date:
2024-01-31 14:12:12 UTC
Tags:
rat remcos remote stealer
Link:
https://app.any.run/tasks/255cffc6-c629-4faa-96fc-77a4786be80e

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/473815/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.2657.20482.2693.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/65ba55414e14bc8294053620/reports/d16571b8-ec2a-4d15-93d9-ce29a6a18204/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d5bc991d8b0e51e45a1b9b9baa71dda7f7dfd8e769e3a641d0cda1077bd01b04
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:
MSIL Injector
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/95a1816a-76be-4c95-8ec4-23d8772a20a8
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1384116
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
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
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)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1384116 Sample: PO-2413120.exe Startdate: 31/01/2024 Architecture: WINDOWS Score: 100 58 geoplugin.net 2->58 74 Multi AV Scanner detection for domain / URL 2->74 76 Found malware configuration 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 14 other signatures 2->80 9 PO-2413120.exe 7 2->9         started        13 YOelrcqG.exe 5 2->13         started        signatures3 process4 file5 54 C:\Users\user\AppData\Roaming\YOelrcqG.exe, PE32 9->54 dropped 56 C:\Users\user\AppData\Local\...\tmpAF59.tmp, XML 9->56 dropped 82 Tries to steal Mail credentials (via file registry) 9->82 84 Uses schtasks.exe or at.exe to add and modify task schedules 9->84 86 Adds a directory exclusion to Windows Defender 9->86 15 PO-2413120.exe 3 14 9->15         started        19 powershell.exe 23 9->19         started        21 schtasks.exe 1 9->21         started        23 PO-2413120.exe 9->23         started        88 Multi AV Scanner detection for dropped file 13->88 90 Contains functionality to bypass UAC (CMSTPLUA) 13->90 92 Contains functionalty to change the wallpaper 13->92 94 6 other signatures 13->94 25 schtasks.exe 1 13->25         started        27 svchost.exe 13->27         started        29 YOelrcqG.exe 13->29         started        31 2 other processes 13->31 signatures6 process7 dnsIp8 60 198.27.121.194, 2024, 49706, 49708 OVHFR Canada 15->60 62 geoplugin.net 178.237.33.50, 49711, 80 ATOM86-ASATOM86NL Netherlands 15->62 64 Tries to harvest and steal browser information (history, passwords, etc) 15->64 66 Maps a DLL or memory area into another process 15->66 33 PO-2413120.exe 15->33         started        36 PO-2413120.exe 14 15->36         started        38 PO-2413120.exe 15->38         started        50 5 other processes 15->50 40 WmiPrvSE.exe 19->40         started        42 conhost.exe 19->42         started        44 conhost.exe 21->44         started        46 conhost.exe 25->46         started        48 WerFault.exe 27->48         started        signatures9 process10 signatures11 68 Tries to steal Instant Messenger accounts or passwords 33->68 70 Tries to steal Mail credentials (via file / registry access) 33->70 72 Tries to harvest and steal browser information (history, passwords, etc) 36->72 52 WerFault.exe 38->52         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d5bc991d8b0e51e45a1b9b9baa71dda7f7dfd8e769e3a641d0cda1077bd01b04
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d5bc991d8b0e51e45a1b9b9baa71dda7f7dfd8e769e3a641d0cda1077bd01b04/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-01-31 03:31:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=2w6jshmlbzi6iwq3ton2u4o5u7357whhnhr2mqoqzwqqo66qdmca._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
728e6e2b92f46c84865ec974f440661f40b8df3f328a7c2bd842c1c697f6c992
RemcosRAT
82703bb5de0f44978e23f29a593094ae3951c3a623bb40bfd54238978e3c8819
RemcosRAT
86b4d9c62ca9eccd9341136d5d4831548ccb79ed000f29e8a8cc0afcbe639c90
RemcosRAT
8957582ccd1876780ff5a43336984ee23ff03be1c8184a6ff9797828f52536e1
RemcosRAT
a686d022d2c5765b4179a7d8b8af4f4aa5fa009c255d352479ff4f7f2c578b39
RemcosRAT
a6eb5df0aa74bbf113e867adf46fc4e227fb72137d4bc5f9359cef4e34cf25ef
RemcosRAT
ef91fad857fc6fde238f090e51f8d9aed1dc09efc089aa539041ec6cf0d81a0f
RemcosRAT
fc4fb593fdecc5e6c82c0c98decab2ccd213153078489787712a082c299d20cd
RemcosRAT
+ 3'561 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:desk collection rat spyware stealer
Link:
https://tria.ge/reports/240131-rhtsbsffhr/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
198.27.121.194:2024
Unpacked files
SH256 hash:
549c0978868a5951b6d124a720f17830f9e26f5c92748cd57a23aa95db116895
MD5 hash:
f4fd6b54c37440df5200d28a97b2edb8
SHA1 hash:
ecab378d0d89a6089edb26da4749d014b6095dbb
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/b3e47edd-8594-4e09-8179-9c2a5f8d2f06/
Parent samples :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 hash:
d2cf3273461ffa1b29715828f358368312ae4f08a731f4e449a44f6dc50e26c5
MD5 hash:
df7936d5ea0c80f3003b445c7f8deb44
SHA1 hash:
b995b22e77a11cda256e84a01ccadb85451460ed
Link:
https://www.unpac.me/results/b3e47edd-8594-4e09-8179-9c2a5f8d2f06/
SH256 hash:
a7097659d0b8886c761709d7309bf378a7fbc7a325e2d1f4e7a1113698344f4f
MD5 hash:
d5c69b521525fc9e0ad51e65154c63aa
SHA1 hash:
9f9b885250ce857678b0941217f213d9f103f7e0
Link:
https://www.unpac.me/results/b3e47edd-8594-4e09-8179-9c2a5f8d2f06/
SH256 hash:
3014b859be7cafca84f61ab3398e0832d80175d76dc6ff4a45df7b2fef39dcaf
MD5 hash:
17cbde8bc5d57e164c1daa95d1b37d0b
SHA1 hash:
4856da540fd30d018fa511c9ce705871e1e2affa
Link:
https://www.unpac.me/results/b3e47edd-8594-4e09-8179-9c2a5f8d2f06/
SH256 hash:
dcdb9a9ba9362c7e32ca65c686547f3a60ea1ef6be6c4a88f6c91c7a8de36a4e
MD5 hash:
9fc5eac200e1ad648169115f30c08e71
SHA1 hash:
38df028364094cdcb01429703416ad8ab3f9914a
Link:
https://www.unpac.me/results/b3e47edd-8594-4e09-8179-9c2a5f8d2f06/
SH256 hash:
d5bc991d8b0e51e45a1b9b9baa71dda7f7dfd8e769e3a641d0cda1077bd01b04
MD5 hash:
7e2567feb06347258efd3722683a8cee
SHA1 hash:
f9d174070758ad9bafb3598f24495d47ecee936d
Link:
https://www.unpac.me/results/b3e47edd-8594-4e09-8179-9c2a5f8d2f06/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d5bc991d8b0e/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/d5bc991d8b0e51e45a1b9b9baa71dda7f7dfd8e769e3a641d0cda1077bd01b04

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/473815/

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