MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8ca7b7fb5faccbfbb3527570937ccb3b12ab32f95edac422a9f0642f8bbb7802. 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 1

SHA256 hash: 8ca7b7fb5faccbfbb3527570937ccb3b12ab32f95edac422a9f0642f8bbb7802
SHA3-384 hash: f32dba2a906394e95296a66a5f2c241448473688488e94aa2f451cbbc9f43e9639449d680a7135363020ca2ee0035de5
SHA1 hash: 8bf99224e9ffe5dca8db2849957cfd7b6c2d3912
MD5 hash: 3ce64a7e7128cda960aceac41431df26
humanhash: one-xray-bacon-hamper
File name:3ce64a7e7128cda960aceac41431df26
Download: download sample
Signature RemcosRAT
File size:1'161'728 bytes
First seen:2022-06-09 11:05:27 UTC
Last seen:2022-06-09 12:12:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 24576:/qJse/E8V12XE+zHgzmcVrn9MyNFXX7BC5CvHPrbqIzYZ1Jt:iJse/ZV12U+rqfVBMyNFn7BCovHPrb
Threatray 2'554 similar samples on MalwareBazaar
TLSH T1F635D06C13F5C637F02E6B379116005AA5F82017A28AFB0A3DCB6CF518E73935D496AD
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 zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
3ce64a7e7128cda960aceac41431df26
Verdict:
Malicious activity
Analysis date:
2022-06-09 11:17:55 UTC
Tags:
rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
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
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
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
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)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 642956 Sample: 6h5WS9MAZF Startdate: 09/06/2022 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for dropped file 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 4 other signatures 2->52 10 6h5WS9MAZF.exe 3 2->10         started        14 iys.exe 2 2->14         started        process3 file4 40 C:\Users\user\AppData\...\6h5WS9MAZF.exe.log, ASCII 10->40 dropped 62 Contains functionality to steal Chrome passwords or cookies 10->62 64 Contains functionality to inject code into remote processes 10->64 66 Contains functionality to steal Firefox passwords or cookies 10->66 68 Delayed program exit found 10->68 16 6h5WS9MAZF.exe 4 4 10->16         started        19 iys.exe 14->19         started        signatures5 process6 file7 34 C:\Users\user\AppData\Roaming\iys.exe, PE32 16->34 dropped 36 C:\Users\user\...\iys.exe:Zone.Identifier, ASCII 16->36 dropped 38 C:\Users\user\AppData\Local\...\install.vbs, data 16->38 dropped 21 wscript.exe 1 16->21         started        process8 process9 23 cmd.exe 1 21->23         started        process10 25 iys.exe 3 23->25         started        28 conhost.exe 23->28         started        signatures11 54 Multi AV Scanner detection for dropped file 25->54 56 Contains functionality to steal Chrome passwords or cookies 25->56 58 Contains functionality to steal Firefox passwords or cookies 25->58 60 Delayed program exit found 25->60 30 iys.exe 2 14 25->30         started        process12 dnsIp13 42 kingsley2022.bounceme.net 62.197.136.86, 3091, 49749, 49761 SPRINTLINKUS Netherlands 30->42 44 geoplugin.net 178.237.33.50, 49751, 80 ATOM86-ASATOM86NL Netherlands 30->44 70 Installs a global keyboard hook 30->70 72 Injects a PE file into a foreign processes 30->72 signatures14
Threat name:
ByteCode-MSIL.Trojan.RemcosRAT
Status:
Malicious
First seen:
2022-06-09 10:58:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
23 of 41 (56.10%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:malymoney persistence rat
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
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
kingsley2022.bounceme.net:3091
Unpacked files
SH256 hash:
d23a501d458d8bf5457430036961c9233d98a6329ffbe977f69a71ba23a2b46c
MD5 hash:
46f767926ac6cac0dd57552b1c79ddea
SHA1 hash:
a5aa230c21005c6c37bbfabf5da3463145986b28
SH256 hash:
de904adad8bde1e22e1320b264cf2536b8d7b6d3fe8f43fd7577fe4e82b95427
MD5 hash:
3fdf44c0577e7e4d05135ccfeaa2d0f9
SHA1 hash:
819a3aa61335b2d690b0d2d49a2b9298ce03b5ff
SH256 hash:
4d7a1202e5360fcc3a77f8d9af28f80b26ae66346341a973dc8ac9096d8a8747
MD5 hash:
3f428362a2e853d401aea8fa0b452721
SHA1 hash:
4ced635ff3431693515c91eb57b3c32f1acdedca
SH256 hash:
cc3f4f00f9468a138840ac6bba0db32186b031cb8462db3ff97ceb805cc7ba29
MD5 hash:
93292eb6afdfd51c74ab53d93389bd10
SHA1 hash:
0ca19e74b755d3b6e2a02d40f8050a50f4e6e2c8
Detections:
win_remcos_auto
SH256 hash:
8ca7b7fb5faccbfbb3527570937ccb3b12ab32f95edac422a9f0642f8bbb7802
MD5 hash:
3ce64a7e7128cda960aceac41431df26
SHA1 hash:
8bf99224e9ffe5dca8db2849957cfd7b6c2d3912
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Skystars_Malware_Imphash
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 8ca7b7fb5faccbfbb3527570937ccb3b12ab32f95edac422a9f0642f8bbb7802

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-09 11:05:35 UTC

url : hxxp://45.85.190.93/275/vbc.exe