MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ebb443f00afcb7b69099209821b747076d16ec48c76c13100c9e15da7ed2beda. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ebb443f00afcb7b69099209821b747076d16ec48c76c13100c9e15da7ed2beda
SHA3-384 hash: f5293db9ea9f101b5227cfc012ec9c2da7360d6a6c14a984cd8ef25aa0bac478d715066c6db1e6803d3b67b0b5e0a4e4
SHA1 hash: 87d1dabb724eb6b381bd3a6665e0b9f2feef0ea4
MD5 hash: 40c2e52b0d61a00ec32eb1a1745e28a4
humanhash: bulldog-island-lemon-muppet
File name:40c2e52b0d61a00ec32eb1a1745e28a4.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:732'672 bytes
First seen:2022-08-27 07:12:29 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:n2iNanwHSHe+IYPMx1isrxwY9KgWE89ObMlhUlXPXr6acQ15B/QgxGfOHMDct:n18naVxwSZWEPIhUJP+aT1ogsWsDct
TLSH T164F412CF0BDC8653D46A57F87C1319499BB92A4D8DD2C7AA0D7209FF2E6830909D4C6B
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon ce9c9496e4949c9c (73 x AgentTesla, 51 x SnakeKeylogger, 30 x Formbook)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
350
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
40c2e52b0d61a00ec32eb1a1745e28a4.exe
Verdict:
Malicious activity
Analysis date:
2022-08-27 07:22:16 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e00cad2b-1662-4123-992c-d0ee730d4f43

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/301562/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Launching a process
Running batch commands
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/6309c49c393b1c8c47194149/reports/38c9fae1-6fff-4c45-969c-b99c83fb138f/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/83d61e26-2858-4b52-a3ea-30d9aa9cd2fd
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1058789
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Disables UAC (registry)
Drops executables to the windows directory (C:\Windows) and starts them
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 691306 Sample: MkLSP3z6Vb.exe Startdate: 27/08/2022 Architecture: WINDOWS Score: 100 83 Snort IDS alert for network traffic 2->83 85 Multi AV Scanner detection for domain / URL 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 12 other signatures 2->89 11 MkLSP3z6Vb.exe 3 2->11         started        14 Windows Health Security.exe 2 2->14         started        16 Windows Health Security.exe 2 2->16         started        process3 file4 75 C:\Users\user\AppData\...\MkLSP3z6Vb.exe.log, ASCII 11->75 dropped 19 MkLSP3z6Vb.exe 1 5 11->19         started        23 MkLSP3z6Vb.exe 11->23         started        25 Windows Health Security.exe 14->25         started        28 Windows Health Security.exe 14->28         started        30 Windows Health Security.exe 14->30         started        81 Drops executables to the windows directory (C:\Windows) and starts them 16->81 32 Windows Health Security.exe 16->32         started        34 Windows Health Security.exe 16->34         started        signatures5 process6 dnsIp7 71 C:\Windows\...\Windows Health Security.exe, PE32 19->71 dropped 73 Windows Health Sec...exe:Zone.Identifier, ASCII 19->73 dropped 93 Creates an autostart registry key pointing to binary in C:\Windows 19->93 36 cmd.exe 1 19->36         started        39 cmd.exe 1 19->39         started        77 referantsa12.duckdns.org 194.5.97.155, 4045, 49756 DANILENKODE Netherlands 25->77 95 Installs a global keyboard hook 25->95 41 cmd.exe 25->41         started        file8 signatures9 process10 signatures11 97 Uses ping.exe to sleep 36->97 43 Windows Health Security.exe 3 36->43         started        45 PING.EXE 1 36->45         started        48 conhost.exe 36->48         started        99 Uses cmd line tools excessively to alter registry or file data 39->99 101 Uses ping.exe to check the status of other devices and networks 39->101 50 reg.exe 1 39->50         started        53 conhost.exe 39->53         started        55 conhost.exe 41->55         started        57 reg.exe 41->57         started        process12 dnsIp13 59 Windows Health Security.exe 2 1 43->59         started        79 127.0.0.1 unknown unknown 45->79 91 Disables UAC (registry) 50->91 signatures14 process15 signatures16 103 Detected Remcos RAT 59->103 105 Writes to foreign memory regions 59->105 107 Allocates memory in foreign processes 59->107 109 Injects a PE file into a foreign processes 59->109 62 cmd.exe 59->62         started        65 iexplore.exe 59->65         started        process17 signatures18 111 Uses cmd line tools excessively to alter registry or file data 62->111 67 conhost.exe 62->67         started        69 reg.exe 1 62->69         started        process19
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ebb443f00afcb7b69099209821b747076d16ec48c76c13100c9e15da7ed2beda/
Threat name:
ByteCode-MSIL.Trojan.Olock
Create hunting rule
Status:
Malicious
First seen:
2022-08-27 07:13:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 25 (72.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5o2eh4ak7s33neezecmcdn2ha5wrn3ciy5wbgeamtyk5u7wsx3na._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:23rd aug brand:microsoft evasion persistence phishing rat trojan
Link:
https://tria.ge/reports/220827-h13zaagff2/
Behaviour
Enumerates system info in registry
Modifies registry class
Modifies registry key
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Detected potential entity reuse from brand microsoft.
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Remcos
UAC bypass
Malware Config
C2 Extraction:
referantsa12.duckdns.org:4045
Unpacked files
SH256 hash:
9aff10ff8f529fc7f7eab31d97e9d7ff3e333493597e2f3223ce8c98ed11f81c
MD5 hash:
db731a7586d0f35ba53085517a100d9c
SHA1 hash:
6bddbb02910282f67eeadac98d95831842cbe42c
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/22f4b916-7e4d-44e5-a441-e504eb657cfc/
SH256 hash:
54de8bff9bad3890e4770a90d5a79e8674390dbe552f52496c973fddde835e55
MD5 hash:
d075f5407c9d4c60a2688beca3564c49
SHA1 hash:
cdb43ff07529ab68bc85a509ffe07bf7bb0f59be
Link:
https://www.unpac.me/results/22f4b916-7e4d-44e5-a441-e504eb657cfc/
SH256 hash:
83044fc02ec86ea18121f8cdba80e72dab4388d5a3d97f01ce12a90f30a2126d
MD5 hash:
eef177cbb9a5d1881d4b931ac9d50343
SHA1 hash:
ad85c97b18c1eb74a34798c3dac7d74f9bb218d9
Link:
https://www.unpac.me/results/22f4b916-7e4d-44e5-a441-e504eb657cfc/
SH256 hash:
7a6d5500275aa1d85992888d9a8012e91f0ed91d1d1d6cc1ecaf251ee72a1458
MD5 hash:
f8e80ff7660d277c140e8257dad8020b
SHA1 hash:
2eea35e0a1edf599c76d44dda30bc3f59c17e3b6
Link:
https://www.unpac.me/results/22f4b916-7e4d-44e5-a441-e504eb657cfc/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/22f4b916-7e4d-44e5-a441-e504eb657cfc/
SH256 hash:
ebb443f00afcb7b69099209821b747076d16ec48c76c13100c9e15da7ed2beda
MD5 hash:
40c2e52b0d61a00ec32eb1a1745e28a4
SHA1 hash:
87d1dabb724eb6b381bd3a6665e0b9f2feef0ea4
Link:
https://www.unpac.me/results/22f4b916-7e4d-44e5-a441-e504eb657cfc/
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/ebb443f00afcb7b69099209821b747076d16ec48c76c13100c9e15da7ed2beda

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.

Web download

RemcosRAT

Executable exe ebb443f00afcb7b69099209821b747076d16ec48c76c13100c9e15da7ed2beda

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2272201/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/301562/

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