MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1b2ff2a125694851ba8469c670bc5d3a741d67a62f3c0d12704ee6c6b161c688. 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 4 File information Comments 1

SHA256 hash: 1b2ff2a125694851ba8469c670bc5d3a741d67a62f3c0d12704ee6c6b161c688
SHA3-384 hash: 2387b50ad7d4efc3a9e072edc6346d0ed34bcec97c85ec79a37dcb4ba68eb9af343b23da79a2dcb477609d79013bdd16
SHA1 hash: ead09030561699477b6676803e197a1439ff764e
MD5 hash: 4b6d751a7b60a71e06de2df217ec4dc3
humanhash: delta-edward-one-magnesium
File name:4b6d751a7b60a71e06de2df217ec4dc3
Download: download sample
Signature RemcosRAT
File size:486'912 bytes
First seen:2022-04-14 11:24:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d410e6967b981b7061d0f1046bd6c046 (5 x RedLineStealer, 1 x RemcosRAT, 1 x DanaBot)
ssdeep 12288:aKjiU+L0KXJWWK1e+QYrFznBmoeWwP6ObmM:zjo0K8Pe+pZBm3Wwdb
Threatray 1'139 similar samples on MalwareBazaar
TLSH T12AA4E144B7A0E039F5B712F47979C3A9642E7DB15F2054CB62D226EE16382E0ECB9347
TrID 40.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.0% (.SCR) Windows screen saver (13101/52/3)
13.6% (.EXE) Win64 Executable (generic) (10523/12/4)
8.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon b6dacabecee6baa6 (72 x Stop, 68 x RedLineStealer, 55 x Smoke Loader)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
AOY.exe
Verdict:
Malicious activity
Analysis date:
2022-04-14 09:47:11 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
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
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Running batch commands
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Result
Verdict:
SUSPICIOUS
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:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Yara detected Remcos RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 609281 Sample: Wu7tFF15Hp Startdate: 14/04/2022 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 Yara detected Remcos RAT 2->66 68 3 other signatures 2->68 9 Wu7tFF15Hp.exe 4 4 2->9         started        13 UDP.exe 2->13         started        15 UDP.exe 2->15         started        process3 file4 54 C:\Users\user\AppData\Roaming\UDP.exe, PE32 9->54 dropped 56 C:\Users\user\...\UDP.exe:Zone.Identifier, ASCII 9->56 dropped 58 C:\Users\user\AppData\Local\...\install.vbs, data 9->58 dropped 70 Contains functionalty to change the wallpaper 9->70 72 Contains functionality to steal Chrome passwords or cookies 9->72 74 Contains functionality to steal Firefox passwords or cookies 9->74 76 Delayed program exit found 9->76 17 wscript.exe 9->17         started        19 WerFault.exe 9 9->19         started        22 WerFault.exe 9 9->22         started        24 5 other processes 9->24 78 Multi AV Scanner detection for dropped file 13->78 80 Detected unpacking (changes PE section rights) 13->80 82 Detected unpacking (overwrites its own PE header) 13->82 84 Contains functionality to inject code into remote processes 13->84 signatures5 process6 file7 26 cmd.exe 17->26         started        42 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 19->42 dropped 44 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 22->44 dropped 46 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 24->46 dropped 48 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 24->48 dropped 50 C:\ProgramData\Microsoft\...\Report.wer, Little-endian 24->50 dropped 52 2 other malicious files 24->52 dropped process8 process9 28 UDP.exe 26->28         started        32 conhost.exe 26->32         started        dnsIp10 60 davidwongwarzone.zapto.org 31.210.20.25, 2030, 49775 PLUSSERVER-ASN1DE Netherlands 28->60 86 Installs a global keyboard hook 28->86 34 WerFault.exe 28->34         started        36 WerFault.exe 28->36         started        38 WerFault.exe 28->38         started        40 2 other processes 28->40 signatures11 process12
Threat name:
Win32.Ransomware.StopCrypt
Status:
Malicious
First seen:
2022-04-14 11:25:09 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:gee2022 persistence rat
Behaviour
Modifies registry class
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
davidwongwarzone.zapto.org:2030
Unpacked files
SH256 hash:
1410a7e8e075a2d019de7e093cb24db9b640369b7f6da9d139c0264cee9ec8ee
MD5 hash:
52802151f5e32173de5235644d7b621a
SHA1 hash:
c1b6f7dc9e49e669252fd739384d6481f7c706f2
SH256 hash:
1b2ff2a125694851ba8469c670bc5d3a741d67a62f3c0d12704ee6c6b161c688
MD5 hash:
4b6d751a7b60a71e06de2df217ec4dc3
SHA1 hash:
ead09030561699477b6676803e197a1439ff764e
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Rule name:win_remcos_auto
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 1b2ff2a125694851ba8469c670bc5d3a741d67a62f3c0d12704ee6c6b161c688

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-04-14 11:24:26 UTC

url : hxxp://2.58.149.219/AOY.exe