General
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Target
Trojan;AndroidOSErmak.A!MTB.apk
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Size
1.1MB
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Sample
240816-1cxrgasaln
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MD5
3408736ab7a0690fb2a8e7d633914bd1
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SHA1
905eb749444f2e7337d1622d5649548dc9852753
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SHA256
7682a4ba33589368f805dff5965978bcc627ae97e09976a331080777e8954f44
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SHA512
5fa0a557877c2e603b96249a0072c1da3fe28cb56cfc9dee0ac18a0f65aa376ce8d801e75b533512aeb885bcadc1d9d47a32a07eafaa1aea1e0af9496b2a995d
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SSDEEP
24576:1W2o1/kIziFZJUEQ/a18wyhyT/ojyq7g/e6By:KRkoiF8EOa18wym/Xq7g/Dy
Behavioral task
behavioral1
Sample
Trojan;AndroidOSErmak.A!MTB.apk
Resource
android-x86-arm-20240624-en
Malware Config
Targets
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Target
Trojan;AndroidOSErmak.A!MTB.apk
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Size
1.1MB
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MD5
3408736ab7a0690fb2a8e7d633914bd1
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SHA1
905eb749444f2e7337d1622d5649548dc9852753
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SHA256
7682a4ba33589368f805dff5965978bcc627ae97e09976a331080777e8954f44
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SHA512
5fa0a557877c2e603b96249a0072c1da3fe28cb56cfc9dee0ac18a0f65aa376ce8d801e75b533512aeb885bcadc1d9d47a32a07eafaa1aea1e0af9496b2a995d
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SSDEEP
24576:1W2o1/kIziFZJUEQ/a18wyhyT/ojyq7g/e6By:KRkoiF8EOa18wym/Xq7g/Dy
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Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
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Makes use of the framework's Accessibility service
Retrieves information displayed on the phone screen using AccessibilityService.
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Queries information about running processes on the device
Application may abuse the framework's APIs to collect information about running processes on the device.
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Queries the phone number (MSISDN for GSM devices)
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Acquires the wake lock
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Makes use of the framework's foreground persistence service
Application may abuse the framework's foreground service to continue running in the foreground.
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Performs UI accessibility actions on behalf of the user
Application may abuse the accessibility service to prevent their removal.
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Queries information about the current Wi-Fi connection
Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.
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Queries the mobile country code (MCC)
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Reads information about phone network operator.
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Requests enabling of the accessibility settings.
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MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Scheduled Task/Job
1Defense Evasion
Foreground Persistence
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Discovery
Process Discovery
1System Network Configuration Discovery
3System Network Connections Discovery
1