MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4348ea6b4e98e96760105b7b9c9612370ac3a338bdca989e98fff87612c4d3d. 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



AsyncRAT


Vendor detections: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: e4348ea6b4e98e96760105b7b9c9612370ac3a338bdca989e98fff87612c4d3d
SHA3-384 hash: a446b57c137407edbb5747d9b24b63fac64ad00b2c7f8321553197fc51d893120e014c11501c63692450dd7e4e467257
SHA1 hash: f614ceff642b10050d047a6d6ea3791d4cf73dfb
MD5 hash: 042db56a76d6279a04cc3e61a3320ccf
humanhash: rugby-winter-ohio-cat
File name:042DB56A76D6279A04CC3E61A3320CCF.dll
Download: download sample
Signature AsyncRAT
File size:2'035'712 bytes
First seen:2024-03-16 22:55:15 UTC
Last seen:2024-03-17 00:59:22 UTC
File type:DLL dll
MIME type:application/x-dosexec
imphash e874c65b9789edc59c5a8bcd5076ad80 (1 x AsyncRAT)
ssdeep 24576:ew7m5lrAYj8HFqvc5toC27U99ie7i34Ft5PTAGj+K1LJNhIyHc:cN8H0vc5tbq4Ft5rjj+K1LJ0p
TLSH T162953941BDE281ECD74E00B2242797496962D6F94B374AE339483B9AF770AD3743B364
TrID 40.3% (.EXE) Win64 Executable (generic) (10523/12/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Reporter abuse_ch
Tags:AsyncRAT dll RAT


Avatar
abuse_ch
AsyncRAT C2:
193.124.205.80:4608

Intelligence


File Origin
# of uploads :
2
# of downloads :
489
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% directory
Running batch commands
Launching a process
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint keylogger lolbin shell32
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:
AsyncRAT
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1410228 Sample: uFRHdSRssb.dll Startdate: 16/03/2024 Architecture: WINDOWS Score: 100 57 pepecasas123.mywire.org 2->57 71 Snort IDS alert for network traffic 2->71 73 Found malware configuration 2->73 75 Malicious sample detected (through community Yara rule) 2->75 77 7 other signatures 2->77 10 loaddll32.exe 1 2->10         started        13 rundll32.exe 2->13         started        15 rundll32.exe 2->15         started        signatures3 process4 signatures5 79 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->79 81 Writes to foreign memory regions 10->81 83 Allocates memory in foreign processes 10->83 85 Injects a PE file into a foreign processes 10->85 17 cmd.exe 1 10->17         started        20 rundll32.exe 10->20         started        22 cmd.exe 10->22         started        28 2 other processes 10->28 24 rundll32.exe 13->24         started        26 rundll32.exe 15->26         started        process6 signatures7 61 Uses cmd line tools excessively to alter registry or file data 17->61 30 rundll32.exe 1 17->30         started        34 vbc.exe 3 20->34         started        36 conhost.exe 22->36         started        38 reg.exe 1 22->38         started        63 Writes to foreign memory regions 24->63 65 Allocates memory in foreign processes 24->65 67 Injects a PE file into a foreign processes 24->67 40 vbc.exe 2 24->40         started        42 vbc.exe 2 26->42         started        process8 file9 55 C:\Users\user\AppData\Roaming\VIVA_01.dll, PE32 30->55 dropped 89 Writes to foreign memory regions 30->89 91 Allocates memory in foreign processes 30->91 93 Injects a PE file into a foreign processes 30->93 44 cmd.exe 1 30->44         started        47 vbc.exe 3 30->47         started        signatures10 process11 dnsIp12 87 Uses cmd line tools excessively to alter registry or file data 44->87 50 reg.exe 1 1 44->50         started        53 conhost.exe 44->53         started        59 pepecasas123.mywire.org 193.124.205.80, 4608, 49735 AS-REGRU Russian Federation 47->59 signatures13 process14 signatures15 69 Creates autostart registry keys with suspicious names 50->69
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2024-03-13 23:53:04 UTC
File Type:
PE (Dll)
Extracted files:
5
AV detection:
12 of 24 (50.00%)
Threat level:
  2/5
Verdict:
unknown
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:me spread new new new persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Uses the VBS compiler for execution
AsyncRat
Malware Config
C2 Extraction:
pepecasas123.net:4608
pepecasas123.mywire.org:4608
Unpacked files
SH256 hash:
e4348ea6b4e98e96760105b7b9c9612370ac3a338bdca989e98fff87612c4d3d
MD5 hash:
042db56a76d6279a04cc3e61a3320ccf
SHA1 hash:
f614ceff642b10050d047a6d6ea3791d4cf73dfb
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu

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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
MULTIMEDIA_APICan Play MultimediaWINMM.dll::mmioAscend
WINMM.dll::mmioClose
WINMM.dll::mmioDescend
WINMM.dll::mmioGetInfo
WINMM.dll::mmioOpenA
WINMM.dll::mmioRead
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteA
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetDriveTypeA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryA
KERNEL32.dll::CreateFileA
KERNEL32.dll::GetFileAttributesA
KERNEL32.dll::FindFirstFileA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegDeleteKeyA
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegSetValueExA
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuA
USER32.dll::PeekMessageA
USER32.dll::CreateWindowExA

Comments