MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 52876d1726bf1657b61f1a2e7bf932ee15ca41ff84874fc769755ea233ea10ba. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 52876d1726bf1657b61f1a2e7bf932ee15ca41ff84874fc769755ea233ea10ba
SHA3-384 hash: 966352c9e74b5c1116d62b04c71ba8b05520674382e33ae92f7a8fda398f1f37aee30682d0b2e95ceab50dcf30dea45a
SHA1 hash: 539776804588ca4f456a72241c5541502b98acca
MD5 hash: 19dc7ca88349aa7cbc8b0e6cdf1f3d47
humanhash: lemon-seventeen-vegan-moon
File name:vbc.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'167'872 bytes
First seen:2022-06-10 20:01:13 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:TwOYRQYAy8elLe4RJ+TvOLMJ+Vb5P2gf6p:9YrflxMJ+VbZ2F
Threatray 2'423 similar samples on MalwareBazaar
TLSH T1F445DF2C17F5C627F06D6BB390218016D5F8205BA2CEF7062DC768F819A73A39E495DE
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter Anonymous
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
369
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
vbc.exe
Verdict:
Malicious activity
Analysis date:
2022-06-10 20:02:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7cfe76ae-1078-448d-a585-f0449eb30d91

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/278766/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.22647.3451.18949.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
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
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62a3a33c8763ffd4adae9ad4/reports/6e74c5b6-1036-4b1f-9774-b6299488259c/overview
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/0752a61b-b1a8-40e5-a1aa-527dd02a85c5
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1011096
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected unpacking (creates a PE file in dynamic memory)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 643592 Sample: vbc.exe Startdate: 10/06/2022 Architecture: WINDOWS Score: 100 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for dropped file 2->66 68 Multi AV Scanner detection for submitted file 2->68 70 5 other signatures 2->70 11 vbc.exe 3 2->11         started        15 ios.exe 2 2->15         started        17 ios.exe 2 2->17         started        process3 file4 58 C:\Users\user\AppData\Local\...\vbc.exe.log, ASCII 11->58 dropped 84 Contains functionality to steal Chrome passwords or cookies 11->84 86 Contains functionality to inject code into remote processes 11->86 88 Contains functionality to steal Firefox passwords or cookies 11->88 90 Delayed program exit found 11->90 19 vbc.exe 4 4 11->19         started        22 ios.exe 15->22         started        24 ios.exe 15->24         started        26 ios.exe 15->26         started        28 ios.exe 17->28         started        30 ios.exe 17->30         started        signatures5 process6 file7 52 C:\Users\user\AppData\Roaming\ios.exe, PE32 19->52 dropped 54 C:\Users\user\...\ios.exe:Zone.Identifier, ASCII 19->54 dropped 56 C:\Users\user\AppData\Local\...\install.vbs, data 19->56 dropped 32 wscript.exe 1 19->32         started        process8 process9 34 cmd.exe 1 32->34         started        process10 36 ios.exe 3 34->36         started        39 conhost.exe 34->39         started        signatures11 72 Multi AV Scanner detection for dropped file 36->72 74 Detected unpacking (creates a PE file in dynamic memory) 36->74 76 Contains functionality to steal Chrome passwords or cookies 36->76 78 2 other signatures 36->78 41 ios.exe 2 14 36->41         started        process12 dnsIp13 60 skygroupt6.zapto.org 194.31.98.250, 2080, 49769, 49770 BURSABILTR Netherlands 41->60 62 geoplugin.net 178.237.33.50, 49771, 80 ATOM86-ASATOM86NL Netherlands 41->62 80 Installs a global keyboard hook 41->80 82 Injects a PE file into a foreign processes 41->82 45 ios.exe 1 41->45         started        48 ios.exe 41->48         started        50 ios.exe 41->50         started        signatures14 process15 signatures16 92 Tries to steal Instant Messenger accounts or passwords 45->92 94 Tries to steal Mail credentials (via file / registry access) 45->94
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/52876d1726bf1657b61f1a2e7bf932ee15ca41ff84874fc769755ea233ea10ba/
Threat name:
ByteCode-MSIL.Trojan.RemcosRAT
Create hunting rule
Status:
Malicious
First seen:
2022-06-10 19:45:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 41 (43.90%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kkdw2fzgx4lfpnq7dixhx6js5yk4uqp7qsdu7r3jovpkem7kcc5a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
576183a33f5247a852bc65a4dc4cbca5762bfbad1291a82572681f7075dc6123
RemcosRAT
7a95dfe43a03318c0301489c77ecdb7f5da54842c4731a1f0c4214569155813e
RemcosRAT
b07f08cbf908eb0d5c93679c8dca8438e4f185a70d675ad79184533dc6b4b262
RemcosRAT
ba8d32d0c7844fdd2e5c4311fc6dc7a400d7c1ff97bebd9760d62308c669fb8f
RemcosRAT
e04e4c474ded78364c1f802de5a653e2d495bc1a0ddb78325962778a221970e6
RemcosRAT
eb9f9d5d304acc0c162c922f5a12a80a28e511e536ed3f4b18f7d301a7502640
RemcosRAT
+ 2'413 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection persistence rat spyware stealer
Link:
https://tria.ge/reports/220610-yr4gfsbda9/
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
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Uses the VBS compiler for execution
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
skygroupt6.zapto.org:2080
Unpacked files
SH256 hash:
64acd8e258c04490335d2a263e35d2a0a59b525e97dca0c4745075e8529f778a
MD5 hash:
7b82fdd1db58e88db4f672805fcf3208
SHA1 hash:
de5abe3a2956b126924581b8d113bf4f75d5a8fe
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/ecd8628f-8a78-44fb-83b5-42b409baf59e/
Parent samples :
96b2da5b493ac29bb08e8045157cd8b2643dcfa4a937f7eced5a276b8f8a6b67
f710395880f835d08b965db304c00350be5824af2bbe7a55ba6ead607f7ff65d
8f5fae18ffc61f2ecf76d797ea904341337c3bc7385fbe8e505cebd1ac813b90
7a95dfe43a03318c0301489c77ecdb7f5da54842c4731a1f0c4214569155813e
52876d1726bf1657b61f1a2e7bf932ee15ca41ff84874fc769755ea233ea10ba
32c13122b55a0627f66b955a6c23af6d3dffbe5f1f3f07fd1563e4535a8b5060
b0733b60cb298a6af58554ee275fc72fd859d747d3af92b0fad87f113564304f
SH256 hash:
029328c32f88ea12e186980cb0b33a81d50174445c39cac96f5e6e8cef68bead
MD5 hash:
55fc33932f9d109d5eabfd02330c8d8d
SHA1 hash:
871299fb4f4a9351af56258af45e527c577bbf7a
Link:
https://www.unpac.me/results/ecd8628f-8a78-44fb-83b5-42b409baf59e/
SH256 hash:
4d7a1202e5360fcc3a77f8d9af28f80b26ae66346341a973dc8ac9096d8a8747
MD5 hash:
3f428362a2e853d401aea8fa0b452721
SHA1 hash:
4ced635ff3431693515c91eb57b3c32f1acdedca
Link:
https://www.unpac.me/results/ecd8628f-8a78-44fb-83b5-42b409baf59e/
SH256 hash:
072a6a22d989fd8cfd48110fe5f1c778654d467c5bd0882051d329735ff68bb8
MD5 hash:
acf30fd283a2406f4663a4cd47e25520
SHA1 hash:
28b1347f31b7175d8aeec6031db218b186508b6d
Link:
https://www.unpac.me/results/ecd8628f-8a78-44fb-83b5-42b409baf59e/
SH256 hash:
52876d1726bf1657b61f1a2e7bf932ee15ca41ff84874fc769755ea233ea10ba
MD5 hash:
19dc7ca88349aa7cbc8b0e6cdf1f3d47
SHA1 hash:
539776804588ca4f456a72241c5541502b98acca
Link:
https://www.unpac.me/results/ecd8628f-8a78-44fb-83b5-42b409baf59e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/52876d1726bf/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/52876d1726bf1657b61f1a2e7bf932ee15ca41ff84874fc769755ea233ea10ba

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/278766/
  
URLhaus
https://urlhaus.abuse.ch/url/2233504/

Comments