MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86. 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 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86
SHA3-384 hash: 8b6ff6dd7bcb6fb6f50d6b9aa5f40eca2d3c6d630cc8add5e6e7c1ae725682456d48638d1aa68e99432b116d45b3101b
SHA1 hash: 6fd3e78571b3a3a04276a231bb3ae790c09d6392
MD5 hash: fd6782febe3d05963740c920446dc754
humanhash: happy-saturn-three-maine
File name:NHTN01250161H - HTN24125291 (INV# JB1140103) 1X40'HQ HTN24125291 TPEEC5047800 NHTN01250161.scr
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:515'072 bytes
First seen:2025-03-21 07:54:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'597 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:D4xlloF8en9iSdzP+HvJ7zcMfGmrBIRYmVMmbd4V1RC:DYlHen9ikPmpcMfGmlIRYmRdr
Threatray 1'655 similar samples on MalwareBazaar
TLSH T151B40209121ACD07C54A1FF82860C2F863B99EEEA921D753AFD9BDBF707A3141651363
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter threatcat_ch
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
428
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
NHTN01250161H - HTN24125291 (INV# JB1140103) 1X40'HQ HTN24125291 TPEEC5047800 NHTN01250161.scr
Verdict:
Malicious activity
Analysis date:
2025-03-21 07:55:25 UTC
Tags:
netreactor remote xworm
Link:
https://app.any.run/tasks/196099cc-1067-4a50-b8c2-ce33807b25cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Win32.DropperX-gen.27761.11477.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67de2cdfc8a812f780e7e9b4
Tags:
asyncrat autorun
Result
Verdict:
Clean
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed packed packer_detected redcap vbnet
Link:
https://www.filescan.io/uploads/67dd1b5f1dd35ee4a0ea4d80/reports/e09d1870-ca63-48a7-8d6b-c9d0365c2bc1/overview
Verdict:
Malicious
Labled as:
Dacic.878011D9.A.Generic
Link:
https://www.hybrid-analysis.com/sample/8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86
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:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/07f013be-2fd6-4b68-a127-2cdedbd75b16
Result
Threat name:
XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1644975
Signature
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
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 XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1644975 Sample: NHTN01250161H - HTN24125291... Startdate: 21/03/2025 Architecture: WINDOWS Score: 100 42 Suricata IDS alerts for network traffic 2->42 44 Found malware configuration 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 11 other signatures 2->48 8 NHTN01250161H - HTN24125291 (INV# JB1140103) 1X40'HQ  HTN24125291 TPEEC5047800 NHTN01250161.scr.exe 3 2->8         started        process3 file4 34 NHTN01250161H - HT...1250161.scr.exe.log, ASCII 8->34 dropped 50 Injects a PE file into a foreign processes 8->50 12 NHTN01250161H - HTN24125291 (INV# JB1140103) 1X40'HQ  HTN24125291 TPEEC5047800 NHTN01250161.scr.exe 6 8->12         started        signatures5 process6 dnsIp7 38 104.250.180.178, 49697, 7061 M247GB United States 12->38 36 C:\Users\user\AppData\Roaming\XClient.exe, PE32 12->36 dropped 52 Adds a directory exclusion to Windows Defender 12->52 17 powershell.exe 23 12->17         started        20 powershell.exe 23 12->20         started        22 powershell.exe 7 12->22         started        24 powershell.exe 7 12->24         started        file8 signatures9 process10 signatures11 40 Loading BitLocker PowerShell Module 17->40 26 conhost.exe 17->26         started        28 conhost.exe 20->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        process12
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86/
Threat name:
Win32.Trojan.Dacic
Create hunting rule
Status:
Malicious
First seen:
2025-03-21 07:55:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qzy3ki7fcy47ezk2hjtmahggxhlnwkpp6cwuybjfmcytptbxh6da._file
Verdict:
malicious
Label(s):
xworm
Create hunting rule
unc_loader_037
Create hunting rule
Similar samples:
1ea45894bbfc448142256e5eec21349889852f550b4ed53f0aca814a6c642335
AsyncRAT
225f24ec8e5c27e915e65abcd7d11cc6908b48c5e60e16aaff5eaf05f162e0a5
AsyncRAT
2f89944e9e1a59602a6d50e917c092e30467f83e312bb1bcc5e758109766cd94
AsyncRAT
492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b
AsyncRAT
5d85e1690df934604c1065147c41cfa7255b51775e298570ba1d8dc85d51fba9
AsyncRAT
850e60489a54f8a3307a124c19c80cfc46bc34b2b3b93bc74c2b764b667df09b
AsyncRAT
8d8533278822162961e4bc205ed8e8ca33254c6653ce90bf22f8f25580d72ab1
AsyncRAT
c39365657b596c0e0d5599d177ec383659d23d24d1e529fcf2eeef2c8f82e5f0
AsyncRAT
error
AsyncRAT
+ 1'645 additional samples on MalwareBazaar
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:xworm discovery execution rat trojan
Link:
https://tria.ge/reports/250321-jr6jgsvwcw/
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
Xworm family
Malware Config
C2 Extraction:
104.250.180.178:7061
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3f60619f-c572-4f87-833f-9ce71efaf9dc
Unpacked files
SH256 hash:
8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86
MD5 hash:
fd6782febe3d05963740c920446dc754
SHA1 hash:
6fd3e78571b3a3a04276a231bb3ae790c09d6392
Link:
https://www.unpac.me/results/1d40cbb9-8f8f-4bb6-8b0c-2eb53395367e/
SH256 hash:
c254c3883c520dc798c134647d770835bcc0bee47c937052a98cb86a5dc75772
MD5 hash:
842041ab24ef1e2b238209f11f81793f
SHA1 hash:
0555ecd40330c5e4c2af3e10c60f6265264d6ec0
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/1d40cbb9-8f8f-4bb6-8b0c-2eb53395367e/
Parent samples :
8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86
b68768d198b634640052e1541b761c4940795292cb1bc0cd4349a7c9d1292da8
0795a88b1c043cd208174cbca41e10832cd7ded4f56469244f8e9750b1f10efe
91c51905a2db1c29aa562d975beac52d8895342b0ccecb16aeb5d40daa97d2b6
SH256 hash:
484844ed62096944a26984ddbe48e5660049636b91b42f72556b02fb2a560868
MD5 hash:
5b2b03b929bd5edf3bf5db4a8cd60a4f
SHA1 hash:
6d1cedc05cfa406ffb1fc6b6e570639c52c7db88
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/1d40cbb9-8f8f-4bb6-8b0c-2eb53395367e/
SH256 hash:
ff57bbd0fdc684ed0081786d06e4f13e786807d36805be88be2f65bbc2fbf554
MD5 hash:
f70c347e94362392dfee769e00d0a9a4
SHA1 hash:
f7bc0a6a399c53871afa99eaeae1c132e9422f07
Detections:
win_xworm_w0
Create hunting rule
XWorm
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
MALWARE_Win_AsyncRAT
Create hunting rule
MALWARE_Win_XWorm
Create hunting rule
win_mal_XWorm
Create hunting rule
win_xworm_bytestring
Create hunting rule
Link:
https://www.unpac.me/results/1d40cbb9-8f8f-4bb6-8b0c-2eb53395367e/
Parent samples :
2cd82067ffbfee95350ffc5d93b1da648d5d6f1d77cbaf3b5b5c5653711bdf45
492f63a1bbeaab365148de239cd17f2a298c3ef421d95a4c2ae34b678c1ea27b
5494c788d973660b6e3f765d74abc6b737375b4ee864fbb5e7ba5ece4db3a308
18c4dbab80d7e5adef5c28a522232b6f4b0e47ceba4e37ec1f7e2b17495f9c64
ecec98c92cc04b0d294a56a3ab45956f19dbe5d1dad5f2f2beee48fd0eb1845b
225f24ec8e5c27e915e65abcd7d11cc6908b48c5e60e16aaff5eaf05f162e0a5
89dc59a7a775dfe1f77a49a7e7c964ffc70ae523d209ea78d7854410fe476b90
913088dfb9d020b0d590b474cb80dcec701eedc7494a0a4c4854853bb21fd2c6
5d85e1690df934604c1065147c41cfa7255b51775e298570ba1d8dc85d51fba9
3a4569fea1cb43114cbb901f17440c2b09ae98d58c81acb8fef6526e4946830c
a1188a9a401d21e901cd3a52875c91c56d33b27c32ffa7631a7a1fcbd166c906
2f89944e9e1a59602a6d50e917c092e30467f83e312bb1bcc5e758109766cd94
5b18e86b916afe8f7f7e4ced40194c8a24b4c731bbbe175b52485de2a6b0bbb2
b2ceb384528dd6048f4b1e92cc059ebdfd7c2936ea3c701f7bcfb928681c2443
8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86
Malware family:
XWorm
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8671b523e516/report/overview.html
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/8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86

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:ByteCode_MSIL_Backdoor_AsyncRAT
Create hunting rule
Author:ReversingLabs
Description:Yara rule that detects AsyncRAT backdoor.
Rule name:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:MALWARE_Win_AsyncRAT
Create hunting rule
Author:ditekSHen
Description:Detects AsyncRAT
Rule name:MALWARE_Win_XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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
Rule name:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:Windows_Generic_Threat_05f52e4d
Create hunting rule
Author:Elastic Security
Rule name:Windows_Generic_Threat_1636c2bf
Create hunting rule
Author:Elastic Security
Rule name:win_xworm_bytestring
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects bytestring present in unobfuscated xworm
Rule name:win_xworm_w0
Create hunting rule
Author:jeFF0Falltrades
Description:Detects win.xworm.
Rule name:XWorm
Create hunting rule
Author:ditekSHen
Description:Detects XWorm
Rule name:xworm_kingrat
Create hunting rule
Author:jeFF0Falltrades

File information

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

Malspam

AsyncRAT

Executable exe 8671b523e51639f2655a3a66c01cc6b9d6db29eff0ad4c052560b137cc373f86

(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

Comments