f4d18662c927380a2d30eba367fafd3746fa137df499cb50d49e591a420aa95d

Analysis

max time kernel
1209096s
max time network
165s
platform
android_x64
resource
android-x64-arm64-20220310-en
submitted
09-06-2022 10:42

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General

Target

Chrome.apk
Size

4.4MB
MD5

65f634ef24fd686225aa4765fc63fe2b
SHA1

fe4a7d079cc00e730412c7a6e0b177829ee58a73
SHA256

f4d18662c927380a2d30eba367fafd3746fa137df499cb50d49e591a420aa95d
SHA512

1dfd4069dc664d6062c76a49c0925b7bf0ecf7fda8bd345fe5980100bc413f93e2853e0be9e89db03b42de90c0d8017f31c17f73470462345c31d50a7a6c47fe

Score

8^/10

evasion ransomware

Malware Config

Signatures

Makes use of the framework's Accessibility service. 3 IoCs

Processes:

com.sdblokpzz.epfbyuxgx

description	ioc	process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.sdblokpzz.epfbyuxgx
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.sdblokpzz.epfbyuxgx
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.sdblokpzz.epfbyuxgx

Acquires the wake lock. 1 IoCs

Processes:

com.sdblokpzz.epfbyuxgx

description ioc process

Framework service call android.os.IPowerManager.acquireWakeLock com.sdblokpzz.epfbyuxgx
Loads dropped Dex/Jar 1 IoCs
Runs executable file dropped to the device during analysis.

Processes:

com.sdblokpzz.epfbyuxgx

ioc pid process

/data/user/0/com.sdblokpzz.epfbyuxgx/f8dd88kiff/t98gtgu9ff8Igtg/base.apk.kotgdyg1.8fU 7052 com.sdblokpzz.epfbyuxgx
Queries the unique device ID (IMEI, MEID, IMSI).
Removes a system notification. 1 IoCs
evasion

Processes:

com.sdblokpzz.epfbyuxgx

description ioc process

Framework service call android.app.INotificationManager.cancelNotificationWithTag com.sdblokpzz.epfbyuxgx
Uses Crypto APIs (Might try to encrypt user data). 1 IoCs
ransomware

Processes:

com.sdblokpzz.epfbyuxgx

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.sdblokpzz.epfbyuxgx

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.sdblokpzz.epfbyuxgx

ioc	pid	process
/data/user/0/com.sdblokpzz.epfbyuxgx/f8dd88kiff/t98gtgu9ff8Igtg/base.apk.kotgdyg1.8fU	7052	com.sdblokpzz.epfbyuxgx

description	ioc	process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.sdblokpzz.epfbyuxgx

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.sdblokpzz.epfbyuxgx

com.sdblokpzz.epfbyuxgx
1⤵
- Makes use of the framework's Accessibility service.
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
PID:7052

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.sdblokpzz.epfbyuxgx/f8dd88kiff/t98gtgu9ff8Igtg/base.apk.kotgdyg1.8fU
Filesize
1.3MB

MD5
e743c25fcad49fa255e23954d61bc5ed

SHA1
8d63ee14ef3a79d75ad1ac379e9319b6b5b471a2

SHA256
e0c7abe1cbefa66bd883f0cceb1e26d219624cbea56e2b0e8c8cd42f59186ce5

SHA512
05c4bb5f070465e8e79c9d4f163f79628ab9b691178b6771a2dc20ce723d35888b9b2b7975242362659eed1aadc96968a9cf3efb9f4a640258eb5d957dac6047

Download Submit
/data/user/0/com.sdblokpzz.epfbyuxgx/f8dd88kiff/t98gtgu9ff8Igtg/tmp-base.apk.kotgdyg9134183444209442742.8fU
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.sdblokpzz.epfbyuxgx/f8dd88kiff/t98gtgu9ff8Igtg/ytI6kjhj.gfk8
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.sdblokpzz.epfbyuxgx/shared_prefs/multidex.version.xml
Filesize
307B

MD5
ac7eb955e609ac3e3965f6cb2c4391bf

SHA1
141fc8f7d23673bb5242c9989934564c5118282d

SHA256
3cb71b67b2ae7ade66f1268abe083e76440a44bd25bccde466f70b8d79dc13ea

SHA512
ffce6753dc6bc702c8774aa8bbf0ed7fb5e16154280d2dbb73d1b1c618e876408be2c6c35ff070f1922191ff2c408b525df26c6a5b8ea19cd1fd0dda38863ff3

Download Submit