MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 187c5699381bf37552882dce7593759d8ab041e916c4493341080df0de46fdea. 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



BitRAT


Vendor detections: 10


Intelligence 10 IOCs 1 YARA 3 File information Comments 1

SHA256 hash: 187c5699381bf37552882dce7593759d8ab041e916c4493341080df0de46fdea
SHA3-384 hash: 3904fea8b66d74bd2de644f5831eea221e12373efca38f5f4a4bf8a443542713df0646d1bfce3c0bfefeee0b142b4d15
SHA1 hash: bbd136b9aa1fdc1d39b5eae4307b5edf97590411
MD5 hash: 415869c1ab4d22fdc26b5618672d793f
humanhash: autumn-earth-edward-eight
File name:415869c1ab4d22fdc26b5618672d793f
Download: download sample
Signature BitRAT
File size:2'449'792 bytes
First seen:2021-08-26 21:17:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 49152:LB65PDuw5ekGUTnJ0GLJE2zj9SmfONWIUAGYYnIu:LB65qDkvnJ5La2zjIkOsHxYNu
Threatray 435 similar samples on MalwareBazaar
TLSH T1BAB501B4B5FDD6C5D1A8343AED1BB9F84849EE51C8649D1F3D883E4A70B2661F63020E
dhash icon 316d4d4d554d4d33 (2 x BitRAT, 2 x RedLineStealer, 1 x AgentTesla)
Reporter zbetcheckin
Tags:32 BitRAT exe

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
79.134.225.103:6443 https://threatfox.abuse.ch/ioc/200421/

Intelligence


File Origin
# of uploads :
1
# of downloads :
184
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
415869c1ab4d22fdc26b5618672d793f
Verdict:
Suspicious activity
Analysis date:
2021-08-26 21:19:01 UTC
Tags:
n/a

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
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to hide a thread from the debugger
Deletes itself after installation
Drops PE files with benign system names
Found malware configuration
Hides threads from debuggers
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Sigma detected: Copying Sensitive Files with Credential Data
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Writes to foreign memory regions
Yara detected BitRAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 472512 Sample: Y3WVSsd14v Startdate: 26/08/2021 Architecture: WINDOWS Score: 100 42 postal-26.ioomoo.xyz 2->42 48 Found malware configuration 2->48 50 Multi AV Scanner detection for dropped file 2->50 52 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->52 54 8 other signatures 2->54 10 Y3WVSsd14v.exe 4 9 2->10         started        signatures3 process4 file5 34 C:\Users\user\AppData\...\explorer.exe, PE32 10->34 dropped 36 C:\Users\user\AppData\...\InstallUtil.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\Xiojsse.vbs, ASCII 10->38 dropped 40 C:\Users\user\AppData\...\Y3WVSsd14v.exe.log, ASCII 10->40 dropped 56 Writes to foreign memory regions 10->56 58 Drops PE files with benign system names 10->58 60 Injects a PE file into a foreign processes 10->60 14 InstallUtil.exe 1 10->14         started        18 powershell.exe 17 10->18         started        20 wscript.exe 2 1 10->20         started        signatures6 process7 dnsIp8 44 postal-26.ioomoo.xyz 79.134.225.103, 49720, 49721, 49722 FINK-TELECOM-SERVICESCH Switzerland 14->44 62 Performs DNS queries to domains with low reputation 14->62 64 Hides threads from debuggers 14->64 66 Contains functionality to hide a thread from the debugger 14->66 68 Deletes itself after installation 18->68 22 conhost.exe 18->22         started        46 192.168.2.1 unknown unknown 20->46 24 AcroRd32.exe 37 20->24         started        signatures9 process10 process11 26 RdrCEF.exe 43 24->26         started        28 AcroRd32.exe 2 5 24->28         started        process12 30 RdrCEF.exe 26->30         started        32 RdrCEF.exe 26->32         started       
Threat name:
ByteCode-MSIL.Trojan.Dnoper
Status:
Malicious
First seen:
2021-08-26 19:07:36 UTC
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:bitrat persistence trojan
Behaviour
Checks processor information in registry
Modifies Internet Explorer settings
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 NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Deletes itself
Loads dropped DLL
Executes dropped EXE
BitRAT
BitRAT Payload
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
56cff056cd1b0f7a912f714a30f837a31f10c47f09557a5262a4085792be0b6d
MD5 hash:
9c9ec8a8840fac4e4131d6500eeec425
SHA1 hash:
a509488855c5c576c6891d71bb312a8c74bd7226
SH256 hash:
227f743b9c00de1e6f701c71d250cd1f582bafad0cf1ee5d2e60e68d01150eea
MD5 hash:
5e451225a851cc8ebda8ca015cebc750
SHA1 hash:
6d8f5865886b021264c87aceef9f506d8c3cb831
SH256 hash:
d58750b9659ca7e71daffe9d10738af68dbc8d500607b6b7e7e987a2da5665a9
MD5 hash:
095420425fa2009dd290182f752b8c86
SHA1 hash:
5ae44454b694ed023c8a3decd4535bbe8519a050
SH256 hash:
ddd666f3f355e1780501bfda059fa6da2f6ac927c9daea8d1f3274fbc8a01c7c
MD5 hash:
fca4d8ca641fa43f6b850793927a8845
SHA1 hash:
1018bbf109a042f9dbf0b74851bb852db058c53d
SH256 hash:
187c5699381bf37552882dce7593759d8ab041e916c4493341080df0de46fdea
MD5 hash:
415869c1ab4d22fdc26b5618672d793f
SHA1 hash:
bbd136b9aa1fdc1d39b5eae4307b5edf97590411
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: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

BitRAT

Executable exe 187c5699381bf37552882dce7593759d8ab041e916c4493341080df0de46fdea

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-08-26 21:17:29 UTC

url : hxxp://pfsbankgroup.com/obicuma/Bitcrave.exe