General
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Target
t0793336.exe
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Size
315KB
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Sample
230904-bss1sadd55
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MD5
57f92b3fe4257b9b5e87bba5cd9d01d0
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SHA1
a2b08e8254efc9326f6d9b8370b22218ef3320e8
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SHA256
84567d4d000ee419bbaccd630c406f2029b88e42e1b67f6d1a670c974403df87
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SHA512
8c5bb901ae4c7434cb718699b55af3a2906ecef1165a201818300e3e10cbbe0e50117925a22709b9f425c31eef0fa1931bef27324c2155d2bd475919f4de49bb
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SSDEEP
6144:zR/tsQnf6X0M6+koYhXMxjwigfwfgbePu97rrAOQ322222KTq:zRlHVckoaXMxcePu97Hg22222iq
Malware Config
Extracted
amadey
3.87
193.233.255.9/nasa/index.php
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install_dir
ebb444342c
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install_file
legosa.exe
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strings_key
0b59a358b8646634fe523e0d5fe7fc43
Extracted
redline
91.103.252.3:48665
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auth_value
0c16e9e64d9b037e5f1ff9082d8f439f
Extracted
redline
10K
77.232.38.234:80
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auth_value
e0b9a8ef2c92da39d627d67103b3b93f
Extracted
amadey
3.83
5.42.65.80/8bmeVwqx/index.php
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install_dir
207aa4515d
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install_file
oneetx.exe
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strings_key
3e634dd0840c68ae2ced83c2be7bf0d4
Extracted
amadey
3.88
79.110.62.80/8bmeVwqx/index.php
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install_dir
e8bff37b77
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install_file
yiueea.exe
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strings_key
dc58c693b6742b940cbf7234174a0f66
Extracted
laplas
http://lpls.tuktuk.ug
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api_key
a0f588021b58e0c7908a163f8750678efedf2a66bf739a12427b379aef47ccde
Targets
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Target
t0793336.exe
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Size
315KB
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MD5
57f92b3fe4257b9b5e87bba5cd9d01d0
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SHA1
a2b08e8254efc9326f6d9b8370b22218ef3320e8
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SHA256
84567d4d000ee419bbaccd630c406f2029b88e42e1b67f6d1a670c974403df87
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SHA512
8c5bb901ae4c7434cb718699b55af3a2906ecef1165a201818300e3e10cbbe0e50117925a22709b9f425c31eef0fa1931bef27324c2155d2bd475919f4de49bb
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SSDEEP
6144:zR/tsQnf6X0M6+koYhXMxjwigfwfgbePu97rrAOQ322222KTq:zRlHVckoaXMxcePu97Hg22222iq
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine payload
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Windows Firewall
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Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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Stops running service(s)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Uses the VBS compiler for execution
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Accesses Microsoft Outlook profiles
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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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
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Impair Defenses
4Disable or Modify Tools
2Modify Registry
4Scripting
1Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1