MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d92ad864a7ceb69d94b5247c94dc7cec67a58ff72347738d695820f9b841e379. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d92ad864a7ceb69d94b5247c94dc7cec67a58ff72347738d695820f9b841e379
SHA3-384 hash: 31023f3a2d578dd0f69cc14d9691977c77583ccde4fae8445251724fe0e9c92a05a68d19dd1854dd3d3f3265b58925c0
SHA1 hash: 8c9668854324d58d25f49f5785e052208dbde87d
MD5 hash: 12efee2d1c1d943dfab7154e1d125322
humanhash: august-october-cardinal-minnesota
File name:12efee2d1c1d943dfab7154e1d125322
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:619'520 bytes
First seen:2022-11-01 00:47:00 UTC
Last seen:2022-11-01 03:14:18 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 6144:P/eWJmJ3WytTVw8eY07IGwYzTrMxv/IToCX2mTE/lxatvqLfyDJFKyoOTpNmy1:nrJmJDhW86sodTWmTEjwy7+8SNmy1
TLSH T126D44835275F4F0BE0DACE34A8B0C5F41A625DBFB96ECA81CAD46CF7B4152A4690C487
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)
File icon (PE):PE icon
dhash icon f0c4c2d8e4f0dcf0 (4 x Formbook, 2 x AgentTesla, 1 x Loki)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
12efee2d1c1d943dfab7154e1d125322
Verdict:
Malicious activity
Analysis date:
2022-11-01 00:49:25 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/88fce7f7-ac6d-47c0-881d-b864d9a3fc70

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/326628/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.738.28021.21036.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Creating a window
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Launching cmd.exe command interpreter
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63606c87b8952e91d3d248f1/reports/4191f1e1-2f1a-4837-8df4-3724527f3563/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/900e0a03-b6e0-4bc1-aaf3-210030dbd734
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1102145
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
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 dnsIp2 2 Behavior Graph ID: 734806 Sample: 0BZMmP51w5.exe Startdate: 01/11/2022 Architecture: WINDOWS Score: 100 70 gcrozonav.duckdns.org 2->70 88 Multi AV Scanner detection for domain / URL 2->88 90 Malicious sample detected (through community Yara rule) 2->90 92 Antivirus detection for URL or domain 2->92 94 11 other signatures 2->94 12 0BZMmP51w5.exe 3 2->12         started        16 Microsoft Intel Audio.exe 2 2->16         started        signatures3 process4 file5 68 C:\Users\user\AppData\...\0BZMmP51w5.exe.log, ASCII 12->68 dropped 108 Injects a PE file into a foreign processes 12->108 18 0BZMmP51w5.exe 1 5 12->18         started        110 Drops executables to the windows directory (C:\Windows) and starts them 16->110 22 Microsoft Intel Audio.exe 3 16->22         started        25 Microsoft Intel Audio.exe 16->25         started        signatures6 process7 dnsIp8 64 C:\Windows\...\Microsoft Intel Audio.exe, PE32 18->64 dropped 66 Microsoft Intel Au...exe:Zone.Identifier, ASCII 18->66 dropped 96 Creates an autostart registry key pointing to binary in C:\Windows 18->96 27 cmd.exe 1 18->27         started        30 cmd.exe 1 18->30         started        74 gcrozonav.duckdns.org 91.192.100.12, 4045, 49698, 49699 AS-SOFTPLUSCH Switzerland 22->74 98 Installs a global keyboard hook 22->98 32 cmd.exe 1 22->32         started        file9 signatures10 process11 signatures12 102 Uses ping.exe to sleep 27->102 34 Microsoft Intel Audio.exe 3 27->34         started        37 PING.EXE 1 27->37         started        40 conhost.exe 27->40         started        104 Uses cmd line tools excessively to alter registry or file data 30->104 106 Uses ping.exe to check the status of other devices and networks 30->106 42 reg.exe 1 30->42         started        44 conhost.exe 30->44         started        46 conhost.exe 32->46         started        48 reg.exe 1 32->48         started        process13 dnsIp14 76 Injects a PE file into a foreign processes 34->76 50 Microsoft Intel Audio.exe 2 1 34->50         started        53 audiodg.exe 34->53         started        72 127.0.0.1 unknown unknown 37->72 78 Disables UAC (registry) 42->78 signatures15 process16 signatures17 80 Detected Remcos RAT 50->80 82 Writes to foreign memory regions 50->82 84 Allocates memory in foreign processes 50->84 86 Injects a PE file into a foreign processes 50->86 55 cmd.exe 50->55         started        58 iexplore.exe 50->58         started        process18 signatures19 100 Uses cmd line tools excessively to alter registry or file data 55->100 60 conhost.exe 55->60         started        62 reg.exe 1 55->62         started        process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d92ad864a7ceb69d94b5247c94dc7cec67a58ff72347738d695820f9b841e379/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-10-28 02:10:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 25 (68.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3evnqzfhz23j3ffver6jjxd45rt2ld7xendxhdljlaqptocb4n4q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:oct 25th rdp brand:microsoft evasion persistence phishing rat trojan
Link:
https://tria.ge/reports/221101-a47gwaefd2/
Behaviour
Enumerates system info in registry
Modifies Internet Explorer settings
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 SetWindowsHookEx
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
Loads dropped DLL
Executes dropped EXE
Remcos
UAC bypass
Malware Config
C2 Extraction:
gcrozonav.duckdns.org:4045
Unpacked files
SH256 hash:
a632f19b3885460712e0c922c88ce11f35e97a78d3e02f1c7131e523d52fb48a
MD5 hash:
0cc29929a1c12d69aa1b43b8500a55a4
SHA1 hash:
9b01c2fb5b82b8719a84378d1805d9484f2bd91c
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/f94d668d-3488-47ed-bae1-653f14302e33/
SH256 hash:
aa7f438ac29b339c83a03da509749aea8c25eb16775d73c95b47871fcbf3c403
MD5 hash:
42acf892d1afe1c46205050089b01141
SHA1 hash:
7bb587fa8a6b33c402caacee57c94182fc1f3c78
Link:
https://www.unpac.me/results/f94d668d-3488-47ed-bae1-653f14302e33/
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/f94d668d-3488-47ed-bae1-653f14302e33/
SH256 hash:
b75885c2cb27c3ba56ae2a36e04eb0e079c3247275c0d0fe0917124d48c80bdd
MD5 hash:
fb669655637b63d0cb404e7f348d6d02
SHA1 hash:
34e138b8c6d295fc5d60bceb8e812cd7778457dc
Link:
https://www.unpac.me/results/f94d668d-3488-47ed-bae1-653f14302e33/
SH256 hash:
42cd9050c60f98ef598dfc3755f8e041aea7d1cf0c7a57ef52d7c4f6d456719b
MD5 hash:
a43e0266155490187f2cd186136429e7
SHA1 hash:
bf699bd8ea84adce29cca3bab2bf2b772284d51d
Link:
https://www.unpac.me/results/f94d668d-3488-47ed-bae1-653f14302e33/
SH256 hash:
d92ad864a7ceb69d94b5247c94dc7cec67a58ff72347738d695820f9b841e379
MD5 hash:
12efee2d1c1d943dfab7154e1d125322
SHA1 hash:
8c9668854324d58d25f49f5785e052208dbde87d
Link:
https://www.unpac.me/results/f94d668d-3488-47ed-bae1-653f14302e33/
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/d92ad864a7ceb69d94b5247c94dc7cec67a58ff72347738d695820f9b841e379

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 d92ad864a7ceb69d94b5247c94dc7cec67a58ff72347738d695820f9b841e379

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2272201/
Cape
Cape
https://www.capesandbox.com/analysis/326628/

Comments


Avatar
zbet commented on 2022-11-01 00:47:03 UTC

url : hxxp://208.67.105.179/chungzx.exe