MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 787c4d531c961df4851c6ad6410cd9aaa4d7de8f40e7a288b95878bb807ef7d8. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 787c4d531c961df4851c6ad6410cd9aaa4d7de8f40e7a288b95878bb807ef7d8
SHA3-384 hash: 67f73f84a24af98ccbeb74410e2029e9778c7a00ee0b236a52baea592f5a67dbd7dac1d3697b64662f543ebe1bbadc90
SHA1 hash: 9612cdab54905c201e8621a15b26997dec7d4bcd
MD5 hash: 483c974eafe52dd589976a1726f7eccf
humanhash: lima-bulldog-pip-whiskey
File name:483c974eafe52dd589976a1726f7eccf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'046'752 bytes
First seen:2022-10-15 16:12:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:0okKAvp2qtDthNInYQb6VOJ6moOa024zm2evc:Z
TLSH T1FD9508F0A5FB40D2F5479D81297CBDD2067231F3ADDE0938136AB6048FAED543A49A4E
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
395
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/320605/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file
Сreating synchronization primitives
Creating a file in the %temp% subdirectories
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a process from a recently created file
Using the Windows Management Instrumentation requests
Creating a process with a hidden window
Running batch commands
Launching the process to change network settings
Unauthorized injection to a recently created process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated overlay packed packed
Link:
https://www.filescan.io/uploads/634adc10a67b0a5ed57a1b88/reports/c9b3b4ac-6fdc-4f87-bb97-069b826f77d0/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/3b680045-67e7-4d76-9809-d9b5d8f6ee26
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1091221
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Delayed program exit found
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 submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Very long command line found
Writes many files with high entropy
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 723831 Sample: 4PpvB0l2tl.exe Startdate: 15/10/2022 Architecture: WINDOWS Score: 100 54 xmr.2miners.com 2->54 56 cdn.discordapp.com 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 Multi AV Scanner detection for submitted file 2->62 64 10 other signatures 2->64 8 4PpvB0l2tl.exe 3 2->8         started        11 cmd.exe 2->11         started        13 unzip.exe 3 2->13         started        15 3 other processes 2->15 signatures3 process4 file5 48 C:\Users\user\AppData\...\4PpvB0l2tl.exe.log, ASCII 8->48 dropped 17 InstallUtil.exe 2 54 8->17         started        22 conhost.exe 11->22         started        24 choice.exe 11->24         started        26 conhost.exe 13->26         started        28 conhost.exe 15->28         started        30 conhost.exe 15->30         started        32 conhost.exe 15->32         started        process6 dnsIp7 50 minecraftrpgserver.com 185.252.178.88, 49716, 49717, 80 LVLT-10753US Germany 17->50 52 geoplugin.net 178.237.33.50, 49718, 80 ATOM86-ASATOM86NL Netherlands 17->52 38 C:\Users\user\AppData\...\InstallUtil.exe, PE32 17->38 dropped 40 C:\Users\user\...\time_20221017_051548.dat, data 17->40 dropped 42 C:\Users\user\...\time_20221017_041546.dat, data 17->42 dropped 44 34 other malicious files 17->44 dropped 66 Contains functionality to steal Chrome passwords or cookies 17->66 68 Writes many files with high entropy 17->68 70 Installs a global keyboard hook 17->70 72 Delayed program exit found 17->72 34 InstallUtil.exe 3 17->34         started        file8 signatures9 process10 file11 46 C:\ProgramDatabehaviorgraphoogle\unzip.exe, PE32 34->46 dropped 74 Antivirus detection for dropped file 34->74 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 34->76 78 Machine Learning detection for dropped file 34->78 signatures12
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/787c4d531c961df4851c6ad6410cd9aaa4d7de8f40e7a288b95878bb807ef7d8/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2022-10-15 12:32:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 42 (47.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pb6e2uy4syo7jbi4nllecdgzvksnpxupidt2fcfzlb4lxad667ma._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:remcos family:xmrig botnet:220928 miner rat upx
Link:
https://tria.ge/reports/221015-tn3crsfgg4/
Behaviour
Creates scheduled task(s)
Kills process with taskkill
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
UPX packed file
XMRig Miner payload
Remcos
Suspicious use of NtCreateUserProcessOtherParentProcess
xmrig
Malware Config
C2 Extraction:
minecraftrpgserver.com:80
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e3478004-324b-40d0-b5ed-2fd682765e30
Unpacked files
SH256 hash:
6b027b38896b9e49ca0330bb5279e967b6bec69bea1d6df2895aab2a73e37c2d
MD5 hash:
38d72d937d395fb82db8c7d975cde7f8
SHA1 hash:
a35108be0b64292b7d60a041f7d29e8c02bd3c72
Link:
https://www.unpac.me/results/4ee7cc36-e9cb-4e32-a127-6f95d595e3d5/
SH256 hash:
a6acfe617040a5005be0d1675756dc9f09596d3bb2bb3ebc8a2c6881b8c4cfd7
MD5 hash:
db843358b89f4074346cab346720ab06
SHA1 hash:
94d77a5f2d66f20baf557ad30c3ab284665980d9
Link:
https://www.unpac.me/results/4ee7cc36-e9cb-4e32-a127-6f95d595e3d5/
SH256 hash:
5533ae83a1783618075884febd0d4eb6e3782bfbb47d8d376012ad41091ae703
MD5 hash:
06023dcae77296b3c86fb25e7c6a97ee
SHA1 hash:
776a04bf9bd169590d61137ec10cbee460e4a543
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/4ee7cc36-e9cb-4e32-a127-6f95d595e3d5/
Parent samples :
de97f8f7c987f236ffc128a0cce9a455f29192596032a0754eb62ec21481bfa8
787c4d531c961df4851c6ad6410cd9aaa4d7de8f40e7a288b95878bb807ef7d8
efd4213633c65b490245864feb69279cbdb09add9b70e22e18c183bb0f477cc1
873d0e41e7f6ea921fb007a0a00426cc119ab68ce5f75d1d84cea08381d00163
SH256 hash:
93c2d127c4f4ac329f460e113d05349b9708b3cdf1db3760b94b3297023201b2
MD5 hash:
a634b5be4d31cef3c000e34c3ac98874
SHA1 hash:
5b5d0be36ede4b87089ba299d4caadeefad51929
Link:
https://www.unpac.me/results/4ee7cc36-e9cb-4e32-a127-6f95d595e3d5/
SH256 hash:
787c4d531c961df4851c6ad6410cd9aaa4d7de8f40e7a288b95878bb807ef7d8
MD5 hash:
483c974eafe52dd589976a1726f7eccf
SHA1 hash:
9612cdab54905c201e8621a15b26997dec7d4bcd
Link:
https://www.unpac.me/results/4ee7cc36-e9cb-4e32-a127-6f95d595e3d5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/787c4d531c961df4851c6ad6410cd9aaa4d7de8f40e7a288b95878bb807ef7d8

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:INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

RemcosRAT

Executable exe 787c4d531c961df4851c6ad6410cd9aaa4d7de8f40e7a288b95878bb807ef7d8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2276782/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2276802/
Cape
Cape
https://www.capesandbox.com/analysis/320605/

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