MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8851e86e484da01c9cc4aafb401df05999ea4d61c128a236ef9d002a13aeda78. 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: 14


Intelligence 14 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8851e86e484da01c9cc4aafb401df05999ea4d61c128a236ef9d002a13aeda78
SHA3-384 hash: 1fe6ee26af2cd653cab7dea6b8ac781d781b671d3fc1c9ca45d352b146648dba27f16076cba2b9b512f86c4ff0a837dd
SHA1 hash: 0fa2bc173e57b8f28fb4780ef6c7abc17052d811
MD5 hash: 56bd266756b2db2299634328a3d3d403
humanhash: undress-yellow-carpet-five
File name:KWITANSI PEMBAYARAN.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'138'688 bytes
First seen:2023-08-09 05:33:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:KDLypEO6YTDVPE+XvDw+mRoLmHc/c/y3t6p7lNKBA:KSpEeE+7B9Lcq3t6RKy
Threatray 2'422 similar samples on MalwareBazaar
TLSH T12B357A7C15296E4CF3A486FCB6748CFF17A5682F80BBF9F3885CA4D706A97D05502226
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 lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
300
Origin country :
DE DE
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/441490/
Detection(s):
Win.Dropper.Malaz-9939293-0
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
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/8851e86e484da01c9cc4aafb401df05999ea4d61c128a236ef9d002a13aeda78
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/a8dfa8b9-cb5e-44fb-9439-fd99f531ee1c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1288266
Signature
.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 steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
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
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1288266 Sample: KWITANSI_PEMBAYARAN.exe Startdate: 09/08/2023 Architecture: WINDOWS Score: 100 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Sigma detected: Scheduled temp file as task from temp location 2->50 52 7 other signatures 2->52 7 HeoJqukBewNTnB.exe 5 2->7         started        10 KWITANSI_PEMBAYARAN.exe 7 2->10         started        process3 file4 56 Multi AV Scanner detection for dropped file 7->56 58 Contains functionality to bypass UAC (CMSTPLUA) 7->58 60 Machine Learning detection for dropped file 7->60 68 4 other signatures 7->68 13 schtasks.exe 1 7->13         started        15 HeoJqukBewNTnB.exe 7->15         started        38 C:\Users\user\AppData\...\HeoJqukBewNTnB.exe, PE32 10->38 dropped 40 C:\Users\user\AppData\Local\...\tmpC3C1.tmp, XML 10->40 dropped 62 Uses schtasks.exe or at.exe to add and modify task schedules 10->62 64 Adds a directory exclusion to Windows Defender 10->64 66 Injects a PE file into a foreign processes 10->66 17 KWITANSI_PEMBAYARAN.exe 3 15 10->17         started        22 powershell.exe 21 10->22         started        24 powershell.exe 17 10->24         started        26 schtasks.exe 1 10->26         started        signatures5 process6 dnsIp7 28 conhost.exe 13->28         started        42 167.114.189.33, 2404, 49697 OVHFR Canada 17->42 44 geoplugin.net 178.237.33.50, 49698, 80 ATOM86-ASATOM86NL Netherlands 17->44 36 C:\ProgramData\remcos\logs.dat, data 17->36 dropped 54 Installs a global keyboard hook 17->54 30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8851e86e484da01c9cc4aafb401df05999ea4d61c128a236ef9d002a13aeda78/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rbi6q3sijwqbzhgevl5uahpqlgm6utlbyeukenxptuacue5o3j4a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2d12bedd8d6cee6c6fbee5ccb9d7dd25fc6693d9d6a7a0207104f94b681b55aa
RemcosRAT
41e5e1da54fb730fb90a677edcc8a725d62cbddfdfb7e8d25aa4267de18f7118
RemcosRAT
6333f3de90012f2acd3436fbd0bc2672a989238ccd7ea97a948c2f07f6397a9e
RemcosRAT
7bb0c7435eac35a50637bb58058fb0b71629b39cc0e7222b991cefeaffdc79a5
RemcosRAT
920fae943bbfb6cb7dd1a1a13e6abfb6f951ed79eaa01b9b693ff6a8224ae1e1
RemcosRAT
946697229fabf9901bfa8ed8800acbbf514c952baa747741bf6d2529497295b7
RemcosRAT
a940a2266d54aab5f787e6b9a3889fb3c615d9754de46ad25a7ba3a1b5fe9109
RemcosRAT
f7021617f41a370a760b4e9760922f5f7672e162ee56ae862f9da5121e86bd0e
RemcosRAT
ff450b9ba2302dbefa84542c8818a0c233b303c126c2c01aee019c7fbf6340b8
RemcosRAT
+ 2'412 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/230809-f9e8gaah8z/
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
Remcos
Malware Config
C2 Extraction:
167.114.189.33:2404
Unpacked files
SH256 hash:
8a9c262f59f09cc094379e139c37e48a333338eb98d3397b585262728cf713a1
MD5 hash:
466549d641932a359108b8ed039a1b0c
SHA1 hash:
cf4a25339e648fd74755a6efce150fbaa1e8fb8e
Link:
https://www.unpac.me/results/e1d18069-ee5e-4755-a9e4-8b502fd578f3/
SH256 hash:
504410fd6158a7346f5a2e7b7714203b329d46dab5d129719410d5c325122804
MD5 hash:
74ed681a2d7aed1dae5627d4367474f8
SHA1 hash:
cad2df636d3f0710f69fdb18cbae03a332341dd3
Link:
https://www.unpac.me/results/e1d18069-ee5e-4755-a9e4-8b502fd578f3/
SH256 hash:
0c65cc63943ef047c4604d51017264cb699337750d110c3b9558c3b6d9b218d0
MD5 hash:
d3dbba0102a129dfd4009d5886d9f11b
SHA1 hash:
8e9a6b10047ba4e99e82a9b09bd79335830e74a6
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/e1d18069-ee5e-4755-a9e4-8b502fd578f3/
Parent samples :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 hash:
4bc0541974fe00584a554a0ea43ec7b17ec1896158afba11af489aae14702a74
MD5 hash:
15123ce9106d171fc538d3ae045922ee
SHA1 hash:
7642e8cbef5108b91e178c6b30ef6ae45d8d4924
Link:
https://www.unpac.me/results/e1d18069-ee5e-4755-a9e4-8b502fd578f3/
SH256 hash:
8851e86e484da01c9cc4aafb401df05999ea4d61c128a236ef9d002a13aeda78
MD5 hash:
56bd266756b2db2299634328a3d3d403
SHA1 hash:
0fa2bc173e57b8f28fb4780ef6c7abc17052d811
Link:
https://www.unpac.me/results/e1d18069-ee5e-4755-a9e4-8b502fd578f3/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8851e86e484d/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/8851e86e484da01c9cc4aafb401df05999ea4d61c128a236ef9d002a13aeda78

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.

Malspam

RemcosRAT

Executable exe 8851e86e484da01c9cc4aafb401df05999ea4d61c128a236ef9d002a13aeda78

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/441490/

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