MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9d5b5757d7b35137909fe6ec8dd9ec4f3760a0ebdb521de430efff69c9b6eb9. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments 1

SHA256 hash: a9d5b5757d7b35137909fe6ec8dd9ec4f3760a0ebdb521de430efff69c9b6eb9
SHA3-384 hash: da5ea89d5f41f69c8e00e88b0ae9b999d6a1d4b31d648ab01a39143821262a760fee283d3848c3ac8f97b3adc676ca20
SHA1 hash: 658ada869db7d4363a0dd409a9155e3efff6ad37
MD5 hash: 1f0da26298d3233cf39b3c4fd65d54aa
humanhash: nineteen-pip-lamp-mountain
File name:1f0da26298d3233cf39b3c4fd65d54aa
Download: download sample
Signature RemcosRAT
File size:1'164'800 bytes
First seen:2022-06-10 22:24:42 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:0TKPLNZQArrPH0OJExpAcwGk98nS2l6+dpKYJ:gKPLN9H0OJ4fHFnrl6+dU
Threatray 2'698 similar samples on MalwareBazaar
TLSH T1EF45D02C53B8C623F16E5F72915500169BF8210BA28EF71B2DC76CF819A72D32E592DD
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 :
1
# of downloads :
365
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
1f0da26298d3233cf39b3c4fd65d54aa
Verdict:
Malicious activity
Analysis date:
2022-06-10 22:24:52 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
Searching for the window
Creating a window
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 remcos
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Installs a global keyboard hook
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)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 643641 Sample: Imk81l7fZs Startdate: 11/06/2022 Architecture: WINDOWS Score: 100 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for URL or domain 2->56 58 7 other signatures 2->58 10 Imk81l7fZs.exe 3 2->10         started        14 iys.exe 2 2->14         started        16 iys.exe 2 2->16         started        process3 file4 44 C:\Users\user\AppData\...\Imk81l7fZs.exe.log, ASCII 10->44 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 18 Imk81l7fZs.exe 4 4 10->18         started        21 iys.exe 14->21         started        23 iys.exe 16->23         started        signatures5 process6 file7 38 C:\Users\user\AppData\Roaming\iys.exe, PE32 18->38 dropped 40 C:\Users\user\...\iys.exe:Zone.Identifier, ASCII 18->40 dropped 42 C:\Users\user\AppData\Local\...\install.vbs, data 18->42 dropped 25 wscript.exe 1 18->25         started        process8 process9 27 cmd.exe 1 25->27         started        process10 29 iys.exe 3 27->29         started        32 conhost.exe 27->32         started        signatures11 70 Multi AV Scanner detection for dropped file 29->70 72 Contains functionality to steal Chrome passwords or cookies 29->72 74 Contains functionality to steal Firefox passwords or cookies 29->74 76 Delayed program exit found 29->76 34 iys.exe 2 14 29->34         started        process12 dnsIp13 46 kingsley2022.bounceme.net 62.197.136.86, 3091, 49739 SPRINTLINKUS Netherlands 34->46 48 geoplugin.net 178.237.33.50, 49740, 80 ATOM86-ASATOM86NL Netherlands 34->48 50 192.168.2.1 unknown unknown 34->50 60 Installs a global keyboard hook 34->60 signatures14
Threat name:
ByteCode-MSIL.Trojan.RemcosRAT
Status:
Malicious
First seen:
2022-06-10 03:36:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 26 (76.92%)
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:
28d48585322e9e12a59d1fea96fbea658778fdaa332ac3001ef24974b4302b74
MD5 hash:
ca3e246e69cdfefe1433e09447199312
SHA1 hash:
6382e2a0c7d3b4b877df09d9f74248607e9c5357
SH256 hash:
a43094cb3f3a83bf694deb5fed650d112a23f4a2c69c0f9c3dac198e8f21394b
MD5 hash:
b47f8cfa2de84009c2ab5bf3bc2f1cef
SHA1 hash:
495f35fa576de97f6006c8c92c29e2539940b550
SH256 hash:
cc3f4f00f9468a138840ac6bba0db32186b031cb8462db3ff97ceb805cc7ba29
MD5 hash:
93292eb6afdfd51c74ab53d93389bd10
SHA1 hash:
0ca19e74b755d3b6e2a02d40f8050a50f4e6e2c8
Detections:
win_remcos_auto
SH256 hash:
4d7a1202e5360fcc3a77f8d9af28f80b26ae66346341a973dc8ac9096d8a8747
MD5 hash:
3f428362a2e853d401aea8fa0b452721
SHA1 hash:
4ced635ff3431693515c91eb57b3c32f1acdedca
SH256 hash:
a9d5b5757d7b35137909fe6ec8dd9ec4f3760a0ebdb521de430efff69c9b6eb9
MD5 hash:
1f0da26298d3233cf39b3c4fd65d54aa
SHA1 hash:
658ada869db7d4363a0dd409a9155e3efff6ad37
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 a9d5b5757d7b35137909fe6ec8dd9ec4f3760a0ebdb521de430efff69c9b6eb9

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-10 22:24:49 UTC

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