General
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Target
b00ba7382dff5cb4acd3feb144edf4a172434c7e3f44971387596bf0dce60865
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Size
2.2MB
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Sample
240530-3cf5tseg88
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MD5
8bd5677c4861e887963159f143b584ac
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SHA1
77054b57afe1420443f9d201daf626f3ad7add94
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SHA256
b00ba7382dff5cb4acd3feb144edf4a172434c7e3f44971387596bf0dce60865
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SHA512
c32ca6bc895cefa605fa18b552d31fb2462a4d432f9c2e6c43b7079b37ce17767bc003530b279f4521d1f15cfe1fec60c4816b9ba31221c44f7a30d9e2433f04
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SSDEEP
24576:u582cRcXIETWG8dJ+xCQ4PkRX9i5d5DjYnKyL08w5PU+FoDz42P1jj9XOUpV7mRd:3REWXUCXkRX9i5dVgz42P1jxSRf29K
Static task
static1
Behavioral task
behavioral1
Sample
b00ba7382dff5cb4acd3feb144edf4a172434c7e3f44971387596bf0dce60865.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
b00ba7382dff5cb4acd3feb144edf4a172434c7e3f44971387596bf0dce60865.exe
Resource
win10-20240404-en
Malware Config
Extracted
smokeloader
pub2
Targets
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Target
b00ba7382dff5cb4acd3feb144edf4a172434c7e3f44971387596bf0dce60865
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Size
2.2MB
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MD5
8bd5677c4861e887963159f143b584ac
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SHA1
77054b57afe1420443f9d201daf626f3ad7add94
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SHA256
b00ba7382dff5cb4acd3feb144edf4a172434c7e3f44971387596bf0dce60865
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SHA512
c32ca6bc895cefa605fa18b552d31fb2462a4d432f9c2e6c43b7079b37ce17767bc003530b279f4521d1f15cfe1fec60c4816b9ba31221c44f7a30d9e2433f04
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SSDEEP
24576:u582cRcXIETWG8dJ+xCQ4PkRX9i5d5DjYnKyL08w5PU+FoDz42P1jj9XOUpV7mRd:3REWXUCXkRX9i5dVgz42P1jxSRf29K
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Modifies firewall policy service
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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Modifies boot configuration data using bcdedit
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Blocklisted process makes network request
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Installed Components in the registry
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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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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Modifies system executable filetype association
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Registers COM server for autorun
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Unexpected DNS network traffic destination
Network traffic to other servers than the configured DNS servers was detected on the DNS port.
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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 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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Drops Chrome extension
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Drops desktop.ini file(s)
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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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Legitimate hosting services abused for malware hosting/C2
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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Browser Extensions
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Change Default File Association
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
4Registry Run Keys / Startup Folder
4Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Change Default File Association
1Scheduled Task/Job
1Defense Evasion
Impair Defenses
1Disable or Modify Tools
1Modify Registry
8Pre-OS Boot
1Bootkit
1Subvert Trust Controls
1Install Root Certificate
1