General
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Target
3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb.bin
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Size
2.4MB
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Sample
241225-11g1xszjew
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MD5
88ce41617d7ad68305ef44f055e961b7
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SHA1
995c8f4ec336c43a3e072b16582a1a1ebea776bb
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SHA256
3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb
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SHA512
6494b087a660e963cf6eb1be710bd93d429cf3bc6e3b3a968e3b733b287a90fcedb4fad970facf92bee7ac1f5559aac4fce6fc5426255163ac65e400a51646c4
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SSDEEP
49152:eyTURaSLCdAGfJbX5v7AngR3irIrjdcdA3YZZRipp4Hz3wjA:D3SLCdfxD5v7AngR3P9OAIZe74T3v
Static task
static1
Behavioral task
behavioral1
Sample
3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb.apk
Resource
android-x64-20240910-en
Malware Config
Extracted
octo
https://weiston12858yw318.com/Njk3ZTc3ZDVlNmJm/
https://weiston12858yw3182.com/Njk3ZTc3ZDVlNmJm/
https://weiston12858yw3183.com/Njk3ZTc3ZDVlNmJm/
https://weiston12858yw3184.com/Njk3ZTc3ZDVlNmJm/
https://weiston12858yw3185.com/Njk3ZTc3ZDVlNmJm/
https://weiston12858yw3186.com/Njk3ZTc3ZDVlNmJm/
Extracted
octo
https://weiston12858yw318.com/Njk3ZTc3ZDVlNmJm/
https://weiston12858yw3182.com/Njk3ZTc3ZDVlNmJm/
https://weiston12858yw3183.com/Njk3ZTc3ZDVlNmJm/
https://weiston12858yw3184.com/Njk3ZTc3ZDVlNmJm/
https://weiston12858yw3185.com/Njk3ZTc3ZDVlNmJm/
https://weiston12858yw3186.com/Njk3ZTc3ZDVlNmJm/
Targets
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Target
3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb.bin
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Size
2.4MB
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MD5
88ce41617d7ad68305ef44f055e961b7
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SHA1
995c8f4ec336c43a3e072b16582a1a1ebea776bb
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SHA256
3dc8d51022b0f486f205d401c6ec890e97707af24c3b79253f01e4274966b6cb
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SHA512
6494b087a660e963cf6eb1be710bd93d429cf3bc6e3b3a968e3b733b287a90fcedb4fad970facf92bee7ac1f5559aac4fce6fc5426255163ac65e400a51646c4
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SSDEEP
49152:eyTURaSLCdAGfJbX5v7AngR3irIrjdcdA3YZZRipp4Hz3wjA:D3SLCdfxD5v7AngR3P9OAIZe74T3v
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Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
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Octo family
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Octo payload
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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 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 the mobile country code (MCC)
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Queries the unique device ID (IMEI, MEID, IMSI)
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Reads information about phone network operator.
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Requests accessing notifications (often used to intercept notifications before users become aware).
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Requests disabling of battery optimizations (often used to enable hiding in the background).
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Requests modifying system settings.
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MITRE ATT&CK Mobile v15
Persistence
Event Triggered Execution
1Broadcast Receivers
1Foreground Persistence
1Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Hide Artifacts
2Suppress Application Icon
1User Evasion
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Credential Access
Access Notifications
1Input Capture
2GUI Input Capture
1Keylogging
1Discovery
Software Discovery
1Security Software Discovery
1System Network Configuration Discovery
4