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General
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Target
random.exe
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Size
5.5MB
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Sample
250322-qnz1vsxmz3
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MD5
8aa52be570da2efe4885957e29b89538
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SHA1
2ad2e47c307b34d9a593e21dfe0dba723c110b3d
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SHA256
a66ad1178645f946e6e9b98c181e660df8bf87c38c88b220a24f35f0406cc107
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SHA512
c685dd857057879a6ff8bdb7279511e940babeb7f358a94e33fea308ac0bd8ceb6d2bcd758dd38eada0995bb96f910d5728c1431286f0875d2ca392b0ca7308e
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SSDEEP
98304:ZDpKjlkbVghclaJ8RhIc1pX452gw8QzbRwm5H3gzIFNM2w+1R:yxQZFzQQ/5HvX9
Static task
static1
Malware Config
Extracted
http://196.251.91.42/up/uploads/encryption02.jpg
http://196.251.91.42/up/uploads/encryption02.jpg
Extracted
amadey
5.21
092155
http://176.113.115.6
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install_dir
bb556cff4a
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install_file
rapes.exe
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strings_key
a131b127e996a898cd19ffb2d92e481b
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url_paths
/Ni9kiput/index.php
Extracted
stealc
trump
http://45.93.20.28
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url_path
/85a1cacf11314eb8.php
Extracted
skuld
https://discordapp.com/api/webhooks/1349647136895012916/qSys_fpsL_y7usKH_AyrFupSjzSsVfg2t895g2HV8Yz72asrwCIsHaqqhPtDFjz8g8_E
Extracted
xworm
5.0
httpss.myvnc.com:1907
xWIArEKzuXpfRVkJ
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install_file
USB.exe
Targets
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Target
random.exe
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Size
5.5MB
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MD5
8aa52be570da2efe4885957e29b89538
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SHA1
2ad2e47c307b34d9a593e21dfe0dba723c110b3d
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SHA256
a66ad1178645f946e6e9b98c181e660df8bf87c38c88b220a24f35f0406cc107
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SHA512
c685dd857057879a6ff8bdb7279511e940babeb7f358a94e33fea308ac0bd8ceb6d2bcd758dd38eada0995bb96f910d5728c1431286f0875d2ca392b0ca7308e
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SSDEEP
98304:ZDpKjlkbVghclaJ8RhIc1pX452gw8QzbRwm5H3gzIFNM2w+1R:yxQZFzQQ/5HvX9
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Amadey family
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Detect Xworm Payload
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Gcleaner family
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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Skuld family
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Stealc family
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Xworm family
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Blocklisted process makes network request
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Downloads MZ/PE file
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Drops file in Drivers directory
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Sets service image path in registry
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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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Deletes itself
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Executes dropped EXE
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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Impair Defenses: Safe Mode Boot
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Loads dropped DLL
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Adds Run key to start application
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Checks for any installed AV software in registry
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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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Checks whether UAC is enabled
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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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Enumerates processes with tasklist
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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
Execution
Command and Scripting Interpreter
2JavaScript
1PowerShell
1Scheduled Task/Job
1Scheduled Task
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Netsh Helper DLL
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Event Triggered Execution
1Netsh Helper DLL
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
1Hidden Files and Directories
1Impair Defenses
1Safe Mode Boot
1Modify Registry
2Pre-OS Boot
1Bootkit
1Virtualization/Sandbox Evasion
2Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Discovery
Peripheral Device Discovery
1Process Discovery
1Query Registry
7Software Discovery
1Security Software Discovery
1System Information Discovery
6System Location Discovery
1System Language Discovery
1Virtualization/Sandbox Evasion
2