MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5e227c08361efd95e0ee576fed034bad2ea5d286fa9ea3d2d3cc221fa75b19cb. 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

SHA256 hash: 5e227c08361efd95e0ee576fed034bad2ea5d286fa9ea3d2d3cc221fa75b19cb
SHA3-384 hash: 4e924ef241304b7ccc632469c339a862468ce335df5ba0318adafc89b3deb8c2c0d9332cb2b5285d8e067745412ba93f
SHA1 hash: f7f324a4e64291f809c1618ffd3f52b376bda1e8
MD5 hash: 36774f4603a937a840921a46841a8643
humanhash: fix-emma-skylark-aspen
File name:FHW PO5ED07 23.07.2024.exe
Download: download sample
Signature RemcosRAT
File size:914'944 bytes
First seen:2024-08-01 06:40:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (70 x Formbook, 33 x AgentTesla, 20 x RemcosRAT)
ssdeep 24576:biUmSB/o5d1ubcvibvzqDv2o5uxxcHAylBac9Kin:b/mU/ohubcvge2cM41lBV4i
TLSH T104152326F742ECCCF12341BE187A2D321B72726E557A1E9923C8F3167936262419B4F3
TrID 39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 74e4d4d4ecf4d4d4 (23 x GuLoader, 20 x LummaStealer, 19 x AgentTesla)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
343
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
FHW PO5ED07 23.07.2024.exe
Verdict:
Malicious activity
Analysis date:
2024-08-01 07:14:46 UTC
Tags:
rat remcos remote keylogger evasion

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
Generic Stealth Malware
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Сreating synchronization primitives
Connection attempt
Launching a process
Sending a custom TCP request
DNS request
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request
Reading critical registry keys
Creating a file in the %AppData% directory
Searching for the window
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
autoit lolbin microsoft_visual_cc packed packed packed shell32 upx
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:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
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 Remcos RAT
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: Suspect Svchost Activity
Sigma detected: WScript or CScript Dropper
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1485820 Sample: FHW PO5ED07 23.07.2024.exe Startdate: 01/08/2024 Architecture: WINDOWS Score: 100 43 geoplugin.net 2->43 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for submitted file 2->63 65 12 other signatures 2->65 9 FHW PO5ED07 23.07.2024.exe 6 2->9         started        13 wscript.exe 1 2->13         started        signatures3 process4 file5 41 C:\Users\user\AppData\Local\...\Wausaukee.exe, PE32 9->41 dropped 77 Binary is likely a compiled AutoIt script file 9->77 15 Wausaukee.exe 5 19 9->15         started        79 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->79 20 Wausaukee.exe 13->20         started        signatures6 process7 dnsIp8 45 75.127.7.188, 2404, 49730, 49733 AS-COLOCROSSINGUS United States 15->45 47 geoplugin.net 178.237.33.50, 49732, 80 ATOM86-ASATOM86NL Netherlands 15->47 37 C:\Users\user\AppData\...\Wausaukee.vbs, data 15->37 dropped 39 C:\ProgramData\hp\logs.dat, data 15->39 dropped 49 Multi AV Scanner detection for dropped file 15->49 51 Contains functionality to bypass UAC (CMSTPLUA) 15->51 53 Detected Remcos RAT 15->53 57 12 other signatures 15->57 22 Wausaukee.exe 1 15->22         started        25 Wausaukee.exe 1 15->25         started        27 svchost.exe 15->27         started        31 3 other processes 15->31 55 Binary is likely a compiled AutoIt script file 20->55 29 Wausaukee.exe 20->29         started        file9 signatures10 process11 signatures12 67 Tries to steal Instant Messenger accounts or passwords 22->67 69 Tries to harvest and steal browser information (history, passwords, etc) 22->69 71 Tries to steal Mail credentials (via file / registry access) 25->71 33 WerFault.exe 22 16 27->33         started        73 Detected Remcos RAT 29->73 75 Binary is likely a compiled AutoIt script file 29->75 35 WerFault.exe 31->35         started        process13
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2024-07-23 01:27:37 UTC
File Type:
PE (Exe)
Extracted files:
42
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:ptr2 botnet:swiftcopy collection credential_access discovery persistence rat spyware stealer upx
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
75.127.7.188:2404
Unpacked files
SH256 hash:
77d239267285c93daab080a375d799117e337964872a50fac7b1d274ec268c1e
MD5 hash:
bc27d70cf4685b3fd2b24c9e8b29e8d0
SHA1 hash:
3f7b065e16cf2b260b18a93f5a49dff175f6ff00
Detections:
AutoIT_Compiled
SH256 hash:
b1aeeb3a5e080bb54e16c6b60ef2322852827d900d3198073607229ac8be8f0b
MD5 hash:
76ca4b68908feb7ad9703888f4d23147
SHA1 hash:
c6566398582b7d6d066231f04df7785936941c18
Detections:
Remcos win_remcos_auto win_remcos_w0 malware_windows_remcos_rat
SH256 hash:
5e227c08361efd95e0ee576fed034bad2ea5d286fa9ea3d2d3cc221fa75b19cb
MD5 hash:
36774f4603a937a840921a46841a8643
SHA1 hash:
f7f324a4e64291f809c1618ffd3f52b376bda1e8
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_detect_tls_callbacks
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Author:malware-lu
Rule name:upx_largefile
Author:k3nr9

File information


The table below shows additional information about this malware sample such as delivery method and external references.

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

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