MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77a7db0fbc13dea55b22b02fec1df3a7000f1850a92bc6d251def80526b8b1d6. 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: 17


Intelligence 17 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 77a7db0fbc13dea55b22b02fec1df3a7000f1850a92bc6d251def80526b8b1d6
SHA3-384 hash: b4b0b4ce390d0066a02ff033f5cb6327bb748bcc9c1b5aebe763fca18860f20d934eced0c2307bf44a0852b27123229a
SHA1 hash: b47510e2c8cf4445c6c7d18ac1d7e470c9c16c2d
MD5 hash: 089dd964c48674b3b4f6a763e6d6ce87
humanhash: spaghetti-fifteen-speaker-minnesota
File name:WaveInstaller.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:2'492'416 bytes
First seen:2024-07-14 16:58:48 UTC
Last seen:2024-07-24 16:19:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash d5d9d937853db8b666bd4b525813d7bd (40 x DCRat, 28 x njrat, 5 x RedLineStealer)
ssdeep 49152:1inbTKfysiSSCA7w8hL9IM8xMg+YLplcHJTizTSMbUlg/BFiif/MlXm:1in6JG/7t19X8x/PEHJaVUlgC/c
TLSH T193B5231A593DC8C7FD1406B069DAE16A3B1A30B343981348DDCDC9AC22F8D67B57B62D
TrID 83.6% (.EXE) Win32 Executable MS Visual C++ 4.x (134693/65)
4.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
2.7% (.EXE) Win32 Executable (generic) (4504/4/1)
1.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon c0800203061ff3f4 (1 x AsyncRAT, 1 x XWorm)
Reporter Chainskilabs
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
364
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
77a7db0fbc13dea55b22b02fec1df3a7000f1850a92bc6d251def80526b8b1d6.exe
Verdict:
Malicious activity
Analysis date:
2024-07-14 17:39:53 UTC
Tags:
evasion github
Link:
https://app.any.run/tasks/e76cd18c-9ba8-493a-b974-f8ec6ff52c18

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Trojan.Poison-8692
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=669403d9da3a746b9a73e510win7simulatehigh_evasion
Tags:
Banker Encryption Execution Network Stealth Dexter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Сreating synchronization primitives
Creating a process from a recently created file
Creating a window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Creating a process with a hidden window
Launching a process
Enabling the 'hidden' option for recently created files
Unauthorized injection to a recently created process
Setting a global event handler for the keyboard
Creating a file in the mass storage device
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin packed shell32
Link:
https://www.filescan.io/uploads/669403d74ca8f69aa81a327c/reports/3ff6a0e7-6b53-4253-8529-5798d364772b/overview
Verdict:
Malicious
Labled as:
Trojan.Poison
Link:
https://www.hybrid-analysis.com/sample/77a7db0fbc13dea55b22b02fec1df3a7000f1850a92bc6d251def80526b8b1d6
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.
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/979c5116-ebb6-4ffc-88a3-a815d2c11beb
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1472962
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Check if machine is in data center or colocation facility
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Drops PE files with benign system names
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
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
Protects its processes via BreakOnTermination flag
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Schedule system process
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Telegram RAT
Yara detected Telegram Recon
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1472962 Sample: WaveInstaller.exe Startdate: 14/07/2024 Architecture: WINDOWS Score: 100 45 api.telegram.org 2->45 47 ip-api.com 2->47 49 email-champions.gl.at.ply.gg 2->49 57 Snort IDS alert for network traffic 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 65 22 other signatures 2->65 9 WaveInstaller.exe 10 2->9         started        signatures3 63 Uses the Telegram API (likely for C&C communication) 45->63 process4 file5 39 C:\Users\user\AppData\...\WaveInstaller.exe, PE32 9->39 dropped 41 C:\Users\user\AppData\...\WaveInstall5r.exe, PE32 9->41 dropped 69 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 9->69 71 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 9->71 13 WaveInstall5r.exe 14 4 9->13         started        18 WaveInstaller.exe 4 9->18         started        signatures6 process7 dnsIp8 51 ip-api.com 208.95.112.1, 49706, 80 TUT-ASUS United States 13->51 53 api.telegram.org 149.154.167.220, 443, 49718 TELEGRAMRU United Kingdom 13->53 55 email-champions.gl.at.ply.gg 147.185.221.19, 49719, 49720, 49721 SALSGIVERUS United States 13->55 43 C:\Users\user\AppData\Local\...\svchost.exe, PE32 13->43 dropped 73 Antivirus detection for dropped file 13->73 75 Multi AV Scanner detection for dropped file 13->75 77 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 13->77 79 8 other signatures 13->79 20 powershell.exe 23 13->20         started        23 powershell.exe 23 13->23         started        25 powershell.exe 13->25         started        27 2 other processes 13->27 file9 signatures10 process11 signatures12 67 Loading BitLocker PowerShell Module 20->67 29 conhost.exe 20->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        35 conhost.exe 27->35         started        37 conhost.exe 27->37         started        process13
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/77a7db0fbc13dea55b22b02fec1df3a7000f1850a92bc6d251def80526b8b1d6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/77a7db0fbc13dea55b22b02fec1df3a7000f1850a92bc6d251def80526b8b1d6/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Malicious
First seen:
2024-07-14 16:59:05 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
24 of 24 (100.00%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o6t5wd54cppkkwzcwax6yhptu4aa6gcqvev4nusr334akjvywhla._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm execution rat trojan
Link:
https://tria.ge/reports/240714-vhdmws1hka/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
email-champions.gl.at.ply.gg:50458
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/d55c580b-f963-4018-9aee-4c3504d932b4
Unpacked files
SH256 hash:
d2373e86e03b935c7c24993f2a567a7e9f3b477c460a4c061da4000de493fbd8
MD5 hash:
1b95a7fc10c0b54c7d807d1f7ee2b778
SHA1 hash:
75d3a2f1d104b8f4950f59da9e829d61943e3e44
Detections:
XWorm
Create hunting rule
Link:
https://www.unpac.me/results/50f99909-68da-46b2-8843-5b3f26e2fae2/
SH256 hash:
cb1fd95ed471ff2cfb8f74a1428d05a7a6fa4e41e68a3d3a13e297e319dd511a
MD5 hash:
ebbdb26d344660d92700cf0c04eeef3b
SHA1 hash:
8b128e9c898573805518ac88f712bb38e7a09f11
Link:
https://www.unpac.me/results/50f99909-68da-46b2-8843-5b3f26e2fae2/
SH256 hash:
c4f1183e4df24d8cfdc6237118f748ddff2cf1a71d77378440ece7e49366205f
MD5 hash:
6625eb32c21a4dec2adfcb6421d9cfc3
SHA1 hash:
2effa00d802690d693eb0d9f31d9b33840ba18d8
Link:
https://www.unpac.me/results/50f99909-68da-46b2-8843-5b3f26e2fae2/
SH256 hash:
5dd656931cb4f0f1587e51f92ee8c9a79f24b0029f7921fc1279e2791b041ffa
MD5 hash:
69f9b79fd16e79f7283f7ca3fb9a440f
SHA1 hash:
07eb7a61953a749b20821ceda1526c39666238ec
Link:
https://www.unpac.me/results/50f99909-68da-46b2-8843-5b3f26e2fae2/
SH256 hash:
43e6ae7e38488e95741b1cad60843e7ce49419889285433eb4e697c175a153ab
MD5 hash:
8ad8b6593c91d7960dad476d6d4af34f
SHA1 hash:
0a95f110c8264cde7768a3fd76db5687fda830ea
Detections:
INDICATOR_EXE_Packed_Fody
Create hunting rule
Link:
https://www.unpac.me/results/50f99909-68da-46b2-8843-5b3f26e2fae2/
Parent samples :
77a7db0fbc13dea55b22b02fec1df3a7000f1850a92bc6d251def80526b8b1d6
43e6ae7e38488e95741b1cad60843e7ce49419889285433eb4e697c175a153ab
SH256 hash:
77a7db0fbc13dea55b22b02fec1df3a7000f1850a92bc6d251def80526b8b1d6
MD5 hash:
089dd964c48674b3b4f6a763e6d6ce87
SHA1 hash:
b47510e2c8cf4445c6c7d18ac1d7e470c9c16c2d
Link:
https://www.unpac.me/results/50f99909-68da-46b2-8843-5b3f26e2fae2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/77a7db0fbc13dea55b22b02fec1df3a7000f1850a92bc6d251def80526b8b1d6

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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)

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
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::GetWindowsDirectoryA
kernel32.dll::GetSystemDirectoryA
kernel32.dll::GetTempPathA
WIN_USER_APIPerforms GUI Actionsuser32.dll::CreateWindowExA

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