Analysis
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max time kernel
2485942s -
max time network
151s -
platform
android_x64 -
resource
android-x64-20231215-en -
resource tags
androidarch:x64arch:x86image:android-x64-20231215-enlocale:en-usos:android-10-x64system -
submitted
20-12-2023 10:45
Static task
static1
Behavioral task
behavioral1
Sample
a57dc9ddcbfb048a270ed94e7f6e043b3b5eb6b7acfefc96ab0f32e1076bf224.apk
Behavioral task
behavioral2
Sample
downjoy.apk
Behavioral task
behavioral3
Sample
downjoy.apk
Resource
android-x64-20231215-en
General
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Target
downjoy.apk
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Size
10.1MB
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MD5
6a042858aaaebdb76129ce5c83d158b9
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SHA1
3f9d6fd17b0adc017b90ffb0f34b41be1654f1ca
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SHA256
7d1124f77f0907e5d8aa8e02e7e4cbaab3fcfe4df65dbe557bcc66a08e73bd43
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SHA512
05b335b7c8adcb78db984fae470ce65761a60ff4f1c32dc51659db7eda2aa5ed96435e8943c0a32b2995055bae23af89bc92df047e6fb845a666e2dae61f9bc2
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SSDEEP
196608:OBQQiLvEOh8RC9cdN8zWlqey1E3Um+JIfXNwlb10PHsBqMhLCHvlcIGiTc4RRxgA:2QQeEOh0N8zeqP1E3mmfOlb1ljhdoTh7
Malware Config
Signatures
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Checks known Qemu files. 2 IoCs
Checks for known Qemu files that exist on Android virtual device images.
ioc Process /system/lib/libc_malloc_debug_qemu.so com.downjoyimpl /sys/qemu_trace com.downjoyimpl -
Checks known Qemu pipes. 2 IoCs
Checks for known pipes used by the Android emulator to communicate with the host.
ioc Process /dev/socket/qemud com.downjoyimpl /dev/qemu_pipe com.downjoyimpl -
Queries the unique device ID (IMEI, MEID, IMSI)
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Reads information about phone network operator.
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Uses Crypto APIs (Might try to encrypt user data) 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.downjoyimpl
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
36B
MD5ae5e912209d4817d42276864563b2af5
SHA1db1d50396ec8fc3e62799ffb1192ae0f7c6e5893
SHA2565a2c2c46b8dbf633274e48473f3ccc94ed341e02be4d1ae7182f8d28f48461af
SHA51299f436bd27ad345e85c247b39595e258ba582039e5e8f6dbb9e519ccc718e8dd4d46c5e8f7c72bfef17dae2842b375e85df1c5499f604ec181bade42ebc768bf