General
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Target
SecuriteInfo.com.Heur.MSIL.Androm.1.11946.26080.exe
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Size
513KB
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Sample
230916-ll2pfscd84
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MD5
89fe28686a81b90bf1f46b6d46251ce4
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SHA1
19f6a799b4777acf208926cee4913c0a889db72e
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SHA256
8e5f99b92349381fd772b1bdb18cce2c6595181fcad0f68de25593276d61620f
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SHA512
9cb0181a6a9e6a37c10a6acf9c172fd4130f4d476b76c3b97acc71c157c3d8135f42d1f2a10bb87d07ecf784d30e705dc071b5630705e9f939127762795d0dfc
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SSDEEP
12288:pX5JC7oT39ra0hI1iGKsHJwUJ10qx6qhE12:pLC7mtThIcGNSS1VY31
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Heur.MSIL.Androm.1.11946.26080.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Heur.MSIL.Androm.1.11946.26080.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Extracted
smokeloader
2022
http://serverxlogs21.xyz/statweb255/
http://servxblog79.xyz/statweb255/
http://demblog289.xyz/statweb255/
http://admlogs77x.online/statweb255/
http://blogxstat38.xyz/statweb255/
http://blogxstat25.xyz/statweb255/
Targets
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Target
SecuriteInfo.com.Heur.MSIL.Androm.1.11946.26080.exe
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Size
513KB
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MD5
89fe28686a81b90bf1f46b6d46251ce4
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SHA1
19f6a799b4777acf208926cee4913c0a889db72e
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SHA256
8e5f99b92349381fd772b1bdb18cce2c6595181fcad0f68de25593276d61620f
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SHA512
9cb0181a6a9e6a37c10a6acf9c172fd4130f4d476b76c3b97acc71c157c3d8135f42d1f2a10bb87d07ecf784d30e705dc071b5630705e9f939127762795d0dfc
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SSDEEP
12288:pX5JC7oT39ra0hI1iGKsHJwUJ10qx6qhE12:pLC7mtThIcGNSS1VY31
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AmmyyAdmin payload
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Detect rhadamanthys stealer shellcode
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FlawedAmmyy RAT
Remote-access trojan based on leaked code for the Ammyy remote admin software.
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Rhadamanthys
Rhadamanthys is an info stealer written in C++ first seen in August 2022.
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Modifies boot configuration data using bcdedit
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Renames multiple (312) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Renames multiple (67) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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XMRig Miner payload
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Downloads MZ/PE file
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Drops desktop.ini file(s)
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Defense Evasion
Indicator Removal
3File Deletion
3Modify Registry
3Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1