MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c85b76b0a102f76dd2e9b5fa71d6f9e599fccc63879a666b3d019d61d8e68101. 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: 15


Intelligence 15 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c85b76b0a102f76dd2e9b5fa71d6f9e599fccc63879a666b3d019d61d8e68101
SHA3-384 hash: 3c3c2af13490cae8232d57286eadf7aab66409293a90543f7b2cf8d156fd0a521557dc6336e119b9754dc23c76f4e928
SHA1 hash: ef2e2679b366663feb396ad8a79ced06eb6de327
MD5 hash: 92a90f59da846861f6f4cd5a1c800035
humanhash: juliet-south-ten-low
File name:Payment.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:892'416 bytes
First seen:2023-04-12 12:44:50 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:MU1F+Oc7Bi/V0KD2dLtivjFJRUOTRnHAjLaGL:vSOcEWi2AKaKj
Threatray 1'810 similar samples on MalwareBazaar
TLSH T1C81512BA52C5AB4ECC006BFE5D01589C27FB4DA5C4E4CD49DA7BB8CB0E7C3214441EAA
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)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
263
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Payment.exe
Verdict:
Malicious activity
Analysis date:
2023-04-12 12:53:21 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/fe18e6d3-2d5d-48f8-88b3-26c089711b21

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/381777/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/6436a7d1e90389fc714b3bba/reports/1d5a2319-9759-45ce-9784-32cd6d4c210f/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/c85b76b0a102f76dd2e9b5fa71d6f9e599fccc63879a666b3d019d61d8e68101
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/870a6be7-e881-4187-a17e-877d1a2f173b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1212537
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Initial sample is a PE file and has a suspicious name
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 845453 Sample: Payment.exe Startdate: 12/04/2023 Architecture: WINDOWS Score: 100 65 Multi AV Scanner detection for domain / URL 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Antivirus detection for URL or domain 2->69 71 9 other signatures 2->71 10 Payment.exe 3 2->10         started        14 BIN.exe 2 2->14         started        16 BIN.exe 2 2->16         started        18 BIN.exe 2 2->18         started        process3 file4 53 C:\Users\user\AppData\...\Payment.exe.log, ASCII 10->53 dropped 75 Contains functionality to steal Chrome passwords or cookies 10->75 77 Contains functionality to modify clipboard data 10->77 79 Contains functionality to steal Firefox passwords or cookies 10->79 81 Delayed program exit found 10->81 20 Payment.exe 5 5 10->20         started        23 BIN.exe 14->23         started        25 BIN.exe 16->25         started        27 BIN.exe 18->27         started        signatures5 process6 file7 45 C:\Users\user\AppData\Roaming\BIN\BIN.exe, PE32 20->45 dropped 47 C:\Users\user\...\BIN.exe:Zone.Identifier, ASCII 20->47 dropped 49 C:\Users\user\AppData\Local\...\install.vbs, data 20->49 dropped 29 wscript.exe 1 20->29         started        process8 process9 31 cmd.exe 1 29->31         started        process10 33 BIN.exe 3 31->33         started        36 conhost.exe 31->36         started        signatures11 61 Multi AV Scanner detection for dropped file 33->61 63 Machine Learning detection for dropped file 33->63 38 BIN.exe 2 18 33->38         started        43 BIN.exe 33->43         started        process12 dnsIp13 55 ucremcz1.ddns.net 45.88.67.110, 1823, 49694 LVLT-10753US Bulgaria 38->55 57 geoplugin.net 178.237.33.50, 49695, 80 ATOM86-ASATOM86NL Netherlands 38->57 59 192.168.2.1 unknown unknown 38->59 51 C:\Users\user\AppData\Roaming\...\logs.dat, data 38->51 dropped 73 Installs a global keyboard hook 38->73 file14 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c85b76b0a102f76dd2e9b5fa71d6f9e599fccc63879a666b3d019d61d8e68101/
Threat name:
ByteCode-MSIL.Trojan.RemcosRAT
Create hunting rule
Status:
Malicious
First seen:
2023-04-12 10:06:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=zbnxnmfbal3w3uxjwx5hdvxz4wm7ztddq6ngm2z5agowdwhgqeaq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1ec91c0ab95a84afe71e67bd355b04abf1cc65b68abded89ce1247dc5682a8e6
RemcosRAT
2f53875cb56cc1a1f69655fcfca71ac0f952b8d582bda33e101d8b262e38d0f9
RemcosRAT
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
9432004daa7e7748848e802b7a769efe47f147d54fcad12471d03d261c3bc5c0
RemcosRAT
a0a124777df35d015c84f61af9a8e4d0dba82120a30fa031b73b885a13d88214
RemcosRAT
b0140b22d324bed8fea64268dae1d3368edc947f42651e2f2fbd772c210a5154
RemcosRAT
bf9b6173d2867c122cabed33c022cc71fa6a5bdf9be0fd09af88a9dde5ccac36
RemcosRAT
+ 1'800 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:uc persistence rat
Link:
https://tria.ge/reports/230412-py3dascc84/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Remcos
Malware Config
C2 Extraction:
ucremcz1.ddns.net:1823
Unpacked files
SH256 hash:
bb016540432270c8976e9a11a2afccfd421a210c26451bb1a61e3bd6db1e4241
MD5 hash:
30dd9671cb8a9ee7217b3021f115bfb7
SHA1 hash:
c0fa007ef2afe9921f9df0cced7056e2e6258dc1
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/c6527ba2-6e48-4355-90e8-80f79c5e43f9/
Parent samples :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 hash:
3794a7d44e8cf9f467b72a96501e8f6a62d46a854a90f4e124199918c08e4a52
MD5 hash:
d4aef9832811f205dbad39077f12b5df
SHA1 hash:
bb1a4eb89bb0f0cd30ecdc4026a95282a1b260de
Link:
https://www.unpac.me/results/c6527ba2-6e48-4355-90e8-80f79c5e43f9/
SH256 hash:
40c050c20d957d26b932faf690f9c2933a194aa6607220103ec798f46ac03403
MD5 hash:
c768bac25fc6f0551a11310e7caba8d5
SHA1 hash:
95f9195e959fb48277c95d1dd1c97a4edff7cb3a
Link:
https://www.unpac.me/results/c6527ba2-6e48-4355-90e8-80f79c5e43f9/
SH256 hash:
c4adccef83aff74c73ca772b9240d73931d00eb3dccf684ed85e40df7f678945
MD5 hash:
054eb402fe14b90adc5a49c26dc85327
SHA1 hash:
45f804af17de8f37acc137b2361a59537028d865
Link:
https://www.unpac.me/results/c6527ba2-6e48-4355-90e8-80f79c5e43f9/
SH256 hash:
f074b2c09142fa55caae482b5ec6ba350fda0ac62329bb825d61f21e2e7059a1
MD5 hash:
567bbf43aac601560b1def4a872d4089
SHA1 hash:
21dfc6e6ecf39c9c23927c114ca911559ca4593e
Link:
https://www.unpac.me/results/c6527ba2-6e48-4355-90e8-80f79c5e43f9/
SH256 hash:
c85b76b0a102f76dd2e9b5fa71d6f9e599fccc63879a666b3d019d61d8e68101
MD5 hash:
92a90f59da846861f6f4cd5a1c800035
SHA1 hash:
ef2e2679b366663feb396ad8a79ced06eb6de327
Link:
https://www.unpac.me/results/c6527ba2-6e48-4355-90e8-80f79c5e43f9/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/c85b76b0a102/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/c85b76b0a102f76dd2e9b5fa71d6f9e599fccc63879a666b3d019d61d8e68101

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: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 c85b76b0a102f76dd2e9b5fa71d6f9e599fccc63879a666b3d019d61d8e68101

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/381777/

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