MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c. 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: 15


Intelligence 15 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c
SHA3-384 hash: db286bb129d736ca66f6dbb57609789c25fccb05c1e2210dc9acb7fa5736e4f090cc472bee333f95162bcbb6e9e08d0b
SHA1 hash: 4de67ca4551be7e994222618c6b798c22cb41d49
MD5 hash: c7b1b2fe81251ea803f9417deed5f489
humanhash: spaghetti-aspen-whiskey-purple
File name:rBLNO.KHRTMP249013-SINGAPOREEXPRESSV.002W.scr
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:506'368 bytes
First seen:2024-09-11 19:59:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:ZB7kvDoQ+XDR1UEzAWohnusFqB8++sxG/:ZBow1N5OF0G/
TLSH T10EB41248B7FC6B21D1BF83FA8261A264233571765556FBAC0DC620C82DB3B484791F6B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 70983a848494a0e0 (6 x Formbook, 4 x AgentTesla, 2 x SnakeKeylogger)
Reporter FXOLabs
Tags:AsyncRAT exe scr

Intelligence

File Origin
# of uploads :
1
# of downloads :
390
Origin country :
BR BR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rBLNO.KHRTMP249013-SINGAPOREEXPRESSV.002W.scr
Verdict:
Malicious activity
Analysis date:
2024-09-11 20:01:47 UTC
Tags:
xworm
Link:
https://app.any.run/tasks/4c582b0b-1ac5-4139-9114-3263e7e34697

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.3053.21813.22676.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66e1f6c676bc4542b049783f
Tags:
Execution Generic Infostealer Stealth Nekark
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Setting a global event handler for the keyboard
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
explorer lolbin masquerade packed
Link:
https://www.filescan.io/uploads/66e1f6c6ac80a0110f67b249/reports/294020f2-5313-40e6-b199-7e87777e1c99/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c
Result
Verdict:
UNKNOWN
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/97e78f16-bdf4-4798-8d38-7c3e0e65798b
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1509642
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
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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
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: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Yara detected AntiVM3
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1509642 Sample: rBLNO.KHRTMP249013-SINGAPOR... Startdate: 11/09/2024 Architecture: WINDOWS Score: 100 43 Suricata IDS alerts for network traffic 2->43 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 13 other signatures 2->49 9 rBLNO.KHRTMP249013-SINGAPOREEXPRESSV.002W.scr.exe 3 2->9         started        process3 file4 37 rBLNO.KHRTMP249013...SV.002W.scr.exe.log, ASCII 9->37 dropped 53 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 9->53 55 Bypasses PowerShell execution policy 9->55 57 Adds a directory exclusion to Windows Defender 9->57 59 Injects a PE file into a foreign processes 9->59 13 rBLNO.KHRTMP249013-SINGAPOREEXPRESSV.002W.scr.exe 6 9->13         started        signatures5 process6 dnsIp7 41 104.250.180.178, 49715, 49717, 49718 M247GB United States 13->41 39 C:\Users\user\AppData\Roaming\XClient.exe, PE32 13->39 dropped 61 Adds a directory exclusion to Windows Defender 13->61 18 powershell.exe 21 13->18         started        21 powershell.exe 23 13->21         started        23 powershell.exe 22 13->23         started        25 powershell.exe 23 13->25         started        file8 signatures9 process10 signatures11 51 Loading BitLocker PowerShell Module 18->51 27 conhost.exe 18->27         started        29 conhost.exe 21->29         started        31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        process12 process13 35 conhost.exe 27->35         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hjcwt7vbznbrctf3saproramfme25ggvrsa2zoh66zjg4skgqmga._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution rat trojan
Link:
https://tria.ge/reports/240911-yqy6cazejq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
104.250.180.178:7061
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/55a1054a-1497-4c41-bd4c-1c424e069c23
Unpacked files
SH256 hash:
ff57bbd0fdc684ed0081786d06e4f13e786807d36805be88be2f65bbc2fbf554
MD5 hash:
f70c347e94362392dfee769e00d0a9a4
SHA1 hash:
f7bc0a6a399c53871afa99eaeae1c132e9422f07
Detections:
XWorm
Create hunting rule
win_xworm_w0
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
Link:
https://www.unpac.me/results/297a8eff-1f1a-41d8-a41e-cc8efc5bb77e/
Parent samples :
2cd82067ffbfee95350ffc5d93b1da648d5d6f1d77cbaf3b5b5c5653711bdf45
492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b
5494c788d973660b6e3f765d74abc6b737375b4ee864fbb5e7ba5ece4db3a308
18c4dbab80d7e5adef5c28a522232b6f4b0e47ceba4e37ec1f7e2b17495f9c64
ecec98c92cc04b0d294a56a3ab45956f19dbe5d1dad5f2f2beee48fd0eb1845b
225f24ec8e5c27e915e65abcd7d11cc6908b48c5e60e16aaff5eaf05f162e0a5
89dc59a7a775dfe1f77a49a7e7c964ffc70ae523d209ea78d7854410fe476b90
913088dfb9d020b0d590b474cb80dcec701eedc7494a0a4c4854853bb21fd2c6
5d85e1690df934604c1065147c41cfa7255b51775e298570ba1d8dc85d51fba9
3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c
a1188a9a401d21e901cd3a52875c91c56d33b27c32ffa7631a7a1fcbd166c906
2f89944e9e1a59602a6d50e917c092e30467f83e312bb1bcc5e758109766cd94
5b18e86b916afe8f7f7e4ced40194c8a24b4c731bbbe175b52485de2a6b0bbb2
b2ceb384528dd6048f4b1e92cc059ebdfd7c2936ea3c701f7bcfb928681c2443
8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86
SH256 hash:
8c0c437ccf5fc181019c2881122481337a4aff4f50a64b031574ca63b0652eb9
MD5 hash:
396e70986a13a6995588e55ccbe7d363
SHA1 hash:
255d103833fcd3d5cc62c1e4a2381f4982332cb1
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/297a8eff-1f1a-41d8-a41e-cc8efc5bb77e/
SH256 hash:
c59a72e874640d2d2c5669edc14fdeb82a72cbacde61679907d2926b8ed79d08
MD5 hash:
b37fc99b846edbde0d0f36bee1760849
SHA1 hash:
0016396b048dcbda5b87742c32678f706db6362c
Link:
https://www.unpac.me/results/297a8eff-1f1a-41d8-a41e-cc8efc5bb77e/
SH256 hash:
3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c
MD5 hash:
c7b1b2fe81251ea803f9417deed5f489
SHA1 hash:
4de67ca4551be7e994222618c6b798c22cb41d49
Link:
https://www.unpac.me/results/297a8eff-1f1a-41d8-a41e-cc8efc5bb77e/
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/3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AsyncRAT

Executable exe 3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c

(this sample)

  
Delivery method
Distributed via e-mail attachment

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

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