MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 902f94aa7222739a873f8f2805428e89822fc34842a0d731828ca0d6fce69dd6. 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


XWorm


Vendor detections: 16


Intelligence 16 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 902f94aa7222739a873f8f2805428e89822fc34842a0d731828ca0d6fce69dd6
SHA3-384 hash: 100df6ea05ce6fa5d2fc5acf4c597b5d52f8e841574c507176913c12a1c6a5153d00440228d7522a7fad97b7b9a3aa57
SHA1 hash: 22c0dcbff864ac7ab665dcaa40fa0e2f5a609d6b
MD5 hash: a3063deffb695211eacaad97e9c38936
humanhash: east-hotel-carpet-cold
File name:SolaraBootstrapper.exe
Download: download sample
Signature XWorm
Create hunting rule
File size:2'435'584 bytes
First seen:2024-06-29 14:28:37 UTC
Last seen:2024-06-29 15:22:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 140094f13383e9ae168c4b35b6af3356 (32 x DCRat, 11 x CoinMiner, 10 x njrat)
ssdeep 49152:3LeY9/gdSz5eLeorkMy9UVfSpk2+GmC/KrluvCd:9sLeorNg8fcl+Gm8Na
TLSH T133B5331ACDF52ED5CCA592B2AD0E01E24DEA1A9817438EBB460E24478441FFDF7A52DC
TrID 32.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
28.8% (.EXE) Win32 Executable (generic) (4504/4/1)
13.0% (.EXE) OS/2 Executable (generic) (2029/13)
12.8% (.EXE) Generic Win/DOS Executable (2002/3)
12.8% (.EXE) DOS Executable Generic (2000/1)
Reporter nickkuechel
Tags:exe xworm

Intelligence

File Origin
# of uploads :
2
# of downloads :
523
Origin country :
US US
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Win32.Evo-gen.32075.5245.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66801a777d0a7ff58bc7794dwin10vpnfull_triage
Tags:
Execution Generic Network Other Static Stealth Trojan Heur
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %AppData% directory
Сreating synchronization primitives
Creating a process from a recently created file
Modifying an executable file
Creating a file
Creating a file in the %temp% directory
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
DNS request
Running batch commands
Creating a process with a hidden window
Connection attempt
Sending an HTTP GET request
Sending a custom TCP request
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fasm
Link:
https://www.filescan.io/uploads/66801a2f910ce98966fb2757/reports/6701a852-e61f-457f-88e5-23ee956b16e2/overview
Verdict:
Malicious
Labled as:
ExNuma.Generic
Link:
https://www.hybrid-analysis.com/sample/902f94aa7222739a873f8f2805428e89822fc34842a0d731828ca0d6fce69dd6
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/a417a8a7-1688-4545-b9f2-2238f56af0b3
Result
Threat name:
DCRat, XWorm
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad.mine
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1464656
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
Creates an undocumented autostart registry key
Creates multiple autostart registry keys
Creates processes via WMI
Drops executable to a common third party application directory
Drops PE files with benign system names
Found direct / indirect Syscall (likely to bypass EDR)
Found malware configuration
Found strings related to Crypto-Mining
Hides threads from debuggers
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)
Query firmware table information (likely to detect VMs)
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: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: System File Execution Location Anomaly
Sigma detected: Windows Binaries Write Suspicious Extensions
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected DCRat
Yara detected Generic Downloader
Yara detected XWorm
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1464656 Sample: SolaraBootstrapper.exe Startdate: 29/06/2024 Architecture: WINDOWS Score: 100 143 ip-api.com 2->143 145 titanium.roblox.com 2->145 147 6 other IPs or domains 2->147 157 Found malware configuration 2->157 159 Malicious sample detected (through community Yara rule) 2->159 161 Antivirus detection for dropped file 2->161 163 23 other signatures 2->163 14 SolaraBootstrapper.exe 4 2->14         started        17 oiDIGxjWBeQtCtbxHEXanoHsv.exe 2->17         started        20 fontreview.exe 2->20         started        22 6 other processes 2->22 signatures3 process4 file5 133 C:\Users\user\AppData\...\Bootstrapper.exe, PE32 14->133 dropped 135 C:\Users\user\AppData\...\Boostraper.bat, PE32 14->135 dropped 137 C:\ProgramData\Bootstrapper.exe, PE32 14->137 dropped 24 Bootstrapper.exe 2 14->24         started        28 Boostraper.bat 3 6 14->28         started        30 Bootstrapper.exe 14 3 14->30         started        155 Multi AV Scanner detection for dropped file 17->155 signatures6 process7 dnsIp8 127 C:\ProgramData\SolaraBootstrapper.exe, PE32 24->127 dropped 185 Antivirus detection for dropped file 24->185 187 Multi AV Scanner detection for dropped file 24->187 189 Machine Learning detection for dropped file 24->189 33 SolaraBootstrapper.exe 14 1003 24->33         started        129 C:\Media\fontreview.exe, PE32 28->129 dropped 131 C:\Media\TKlkLwYGTbrYwK.vbe, data 28->131 dropped 38 wscript.exe 1 28->38         started        153 ip-api.com 208.95.112.1, 49708, 49709, 49710 TUT-ASUS United States 30->153 191 Bypasses PowerShell execution policy 30->191 193 Adds a directory exclusion to Windows Defender 30->193 40 powershell.exe 30->40         started        file9 signatures10 process11 dnsIp12 139 github.com 140.82.121.4, 443, 49706 GITHUBUS United States 33->139 141 raw.githubusercontent.com 185.199.110.133, 443, 49707, 62705 FASTLYUS Netherlands 33->141 101 C:\Users\user\AppData\...\vcruntime140.dll, PE32+ 33->101 dropped 103 C:\Users\user\AppData\Local\...\msvcp140.dll, PE32+ 33->103 dropped 105 C:\Users\user\AppData\Local\...\libcurl.dll, PE32+ 33->105 dropped 107 24 other files (13 malicious) 33->107 dropped 165 Multi AV Scanner detection for dropped file 33->165 42 cd57e4c171d6e8f5ea8b8f824a6a7316.exe 33->42         started        46 conhost.exe 33->46         started        167 Windows Scripting host queries suspicious COM object (likely to drop second stage) 38->167 169 Suspicious execution chain found 38->169 48 cmd.exe 38->48         started        171 Loading BitLocker PowerShell Module 40->171 50 conhost.exe 40->50         started        file13 signatures14 process15 dnsIp16 149 edge-term4-fra2.roblox.com 128.116.123.3, 443, 62706 ROBLOX-PRODUCTIONUS United States 42->149 151 127.0.0.1 unknown unknown 42->151 195 Multi AV Scanner detection for dropped file 42->195 197 Query firmware table information (likely to detect VMs) 42->197 199 Tries to detect sandboxes and other dynamic analysis tools (window names) 42->199 201 4 other signatures 42->201 52 msedgewebview2.exe 42->52         started        56 fontreview.exe 48->56         started        58 conhost.exe 48->58         started        signatures17 process18 file19 109 ba3721d6-fab3-443a-9f76-cca21ac01b43.tmp, JSON 52->109 dropped 111 ab37e710-8e8b-4b94-bc99-4496f1afe7f6.tmp, JSON 52->111 dropped 113 C:\Users\user\AppData\Local\...\Variations, JSON 52->113 dropped 123 40 other malicious files 52->123 dropped 173 Found strings related to Crypto-Mining 52->173 115 C:\Recovery\oiDIGxjWBeQtCtbxHEXanoHsv.exe, PE32 56->115 dropped 117 C:\Program Files\...\smss.exe, PE32 56->117 dropped 119 C:\Program Files (x86)\...\fontreview.exe, PE32 56->119 dropped 121 C:\...\oiDIGxjWBeQtCtbxHEXanoHsv.exe, PE32 56->121 dropped 175 Antivirus detection for dropped file 56->175 177 Multi AV Scanner detection for dropped file 56->177 179 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 56->179 181 7 other signatures 56->181 60 cmd.exe 56->60         started        62 powershell.exe 56->62         started        65 powershell.exe 56->65         started        67 3 other processes 56->67 signatures20 process21 signatures22 69 w32tm.exe 60->69         started        71 smss.exe 60->71         started        74 conhost.exe 60->74         started        203 Loading BitLocker PowerShell Module 62->203 76 conhost.exe 62->76         started        78 WmiPrvSE.exe 62->78         started        80 conhost.exe 65->80         started        82 conhost.exe 67->82         started        84 conhost.exe 67->84         started        86 conhost.exe 67->86         started        process23 file24 88 Conhost.exe 69->88         started        125 435dd0df-e6f5-4928-a01c-a3ec10fbcbdd.vbs, ASCII 71->125 dropped 91 cmd.exe 71->91         started        93 wscript.exe 71->93         started        process25 signatures26 183 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 88->183 95 conhost.exe 91->95         started        97 w32tm.exe 91->97         started        99 smss.exe 91->99         started        process27
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/902f94aa7222739a873f8f2805428e89822fc34842a0d731828ca0d6fce69dd6
Detection:
shortloader
Create hunting rule
Link:
https://mwdb.cert.pl/sample/902f94aa7222739a873f8f2805428e89822fc34842a0d731828ca0d6fce69dd6/
Threat name:
Win32.Trojan.ExNuma
Create hunting rule
Status:
Malicious
First seen:
2024-06-28 19:04:03 UTC
File Type:
PE (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=saxzjktsejzzvbz7r4uakquorgbc7q2iikqnommcrsqnn7hgtxla._file
Verdict:
malicious
Result
Malware family:
xworm
Create hunting rule
Score:
  10/10
Tags:
family:dcrat family:xworm evasion execution infostealer persistence rat themida trojan
Link:
https://tria.ge/reports/240629-rtj29ssdpq/
Behaviour
Modifies registry class
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Checks BIOS information in registry
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Themida packer
Command and Scripting Interpreter: PowerShell
DCRat payload
Identifies VirtualBox via ACPI registry values (likely anti-VM)
DcRat
Detect Xworm Payload
Xworm
Malware Config
C2 Extraction:
football-emily.gl.at.ply.gg:39625
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/b47dd6b1-ae06-474d-a5a3-82fce041f415
Unpacked files
SH256 hash:
c09d7b1ecf9dd4917c8f081132ac5c533bc326959505d7364aa546d4822e5c9c
MD5 hash:
60b6a611559a27f113b51c76733f26d0
SHA1 hash:
6dc70a539f0d1c8b9a84edef26c2bdf82bbfa098
Link:
https://www.unpac.me/results/6154144e-2d22-4534-8b9a-776fe576e852/
SH256 hash:
0b5638c22a52187aee2e081ed21e9f06fffeb32434fa79e6bc682a7d43d61767
MD5 hash:
c51d1e2387dcc5b4f7070b2c4bb46c4e
SHA1 hash:
f25fda680034f3688b523fdfb4691995bf210bfa
Detections:
win_xorist_auto
Create hunting rule
Link:
https://www.unpac.me/results/6154144e-2d22-4534-8b9a-776fe576e852/
Parent samples :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 hash:
3d9b74a6bd97a5fa455737b72d8970898527a4478e912b68e9bf9459cccb7c87
MD5 hash:
d59145e6ddad7699d0c9c5e1416229f9
SHA1 hash:
bda54641a52bb99147cf57bcbd6b8048bc3e2d2d
Link:
https://www.unpac.me/results/6154144e-2d22-4534-8b9a-776fe576e852/
SH256 hash:
02b7e575969e1f23f76fdad703bf74241b6276f7551eb5f8996c098f87093417
MD5 hash:
0c88f913b456d4fc6b5836275f2a48ad
SHA1 hash:
1d58a200748571696f5fb8ec5c2abe40d36f021b
Detections:
XWorm
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/6154144e-2d22-4534-8b9a-776fe576e852/
SH256 hash:
a7fecfc225dfdd4e14dcd4d1b4ba1b9f8e4d1984f1cdd8cda3a9987e5d53c239
MD5 hash:
6557bd5240397f026e675afb78544a26
SHA1 hash:
839e683bf68703d373b6eac246f19386bb181713
Detections:
INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL
Create hunting rule
Link:
https://www.unpac.me/results/6154144e-2d22-4534-8b9a-776fe576e852/
Parent samples :
902f94aa7222739a873f8f2805428e89822fc34842a0d731828ca0d6fce69dd6
eb52dc8ab4ec5557c2353624b8ff2f01548662ec194432470c7148828d879bba
b27cdbd5705c56034999011911997559d5eecb66e2e0d8b8c9aa843fe05d1627
4289002fd7528974ae7a9bf4d855bfd3812d248a46dbd7f94e7336f260ae7a39
SH256 hash:
902f94aa7222739a873f8f2805428e89822fc34842a0d731828ca0d6fce69dd6
MD5 hash:
a3063deffb695211eacaad97e9c38936
SHA1 hash:
22c0dcbff864ac7ab665dcaa40fa0e2f5a609d6b
Link:
https://www.unpac.me/results/6154144e-2d22-4534-8b9a-776fe576e852/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
XWorm
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/902f94aa7222739a873f8f2805428e89822fc34842a0d731828ca0d6fce69dd6

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::VirtualAllocExNuma
kernel32.dll::CreateThread
WIN_BASE_USER_APIRetrieves Account Informationkernel32.dll::GetComputerNameA

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