octo | ab02e4cbe64c32b1ca18abd8a727c6e6e5f70d6ccb534da980df2f4210c23d6f

Analysis

max time kernel
2943804s
max time network
138s
platform
android_x64
resource
android-x64-20230831-en
submitted
19-09-2023 22:00

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General

Target

ab02e4cbe64c32b1ca18abd8a727c6e6e5f70d6ccb534da980df2f4210c23d6f.apk
Size

1.8MB
MD5

fd7a7e3a8f8a2961dfb9bb6b4bdef957
SHA1

d99b1d196aa588e9f52bff8ae83c984691ea15d4
SHA256

ab02e4cbe64c32b1ca18abd8a727c6e6e5f70d6ccb534da980df2f4210c23d6f
SHA512

5dd947b9b386f21b94eb0b7f1cf719ecd46cd66611ef7dbc89eae99b44d539b64836b522e582c2aa0ed4bc55c581680e5be93d747215090a22f8825b67a489dc
SSDEEP

49152:HGWTLEc/bDpPjdSXLmaahlfZH4lrnEStPXGZGZbmq76QFAE4KoSu:HG8TzFjkXLmaahlxHI/JXGZQ/74J

Score

10^/10

octo banker infostealer ransomware rat trojan

Malware Config

Extracted

Family

octo

https://caramiliudj16.live/MTU2OWE0NzJjNGY5/

https://boodycookies41.info/MTU2OWE0NzJjNGY5/

https://smoorfikimv.pro/MTU2OWE0NzJjNGY5/

https://alimavij72.vip/MTU2OWE0NzJjNGY5/

https://5a9udxg6l6gd.su/MTU2OWE0NzJjNGY5/

https://f2kic1nam25n81k.cc/MTU2OWE0NzJjNGY5/

https://maza5rra11vti251mca.info/MTU2OWE0NzJjNGY5/

https://cleverk21da912mca.live/MTU2OWE0NzJjNGY5/

https://zazarazgok7215vor1.pro/MTU2OWE0NzJjNGY5/

AES_key

Signatures

Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
banker trojan infostealer rat octo

Octo payload 3 IoCs

Processes:

resource	yara_rule
/data/data/com.wouldbegan28/cache/eaaej	family_octo
/data/user/0/com.wouldbegan28/cache/eaaej	family_octo
/data/user/0/com.wouldbegan28/cache/eaaej	family_octo

Makes use of the framework's Accessibility service. 2 IoCs

Processes:

com.wouldbegan28

description	ioc	process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.wouldbegan28
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.wouldbegan28

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps). 1 IoCs
banker

Processes:

com.wouldbegan28

description ioc process

Framework service call android.content.pm.IPackageManager.getInstalledApplications com.wouldbegan28
Acquires the wake lock. 1 IoCs

Processes:

com.wouldbegan28

description ioc process

Framework service call android.os.IPowerManager.acquireWakeLock com.wouldbegan28

description	ioc	process
Framework service call	android.content.pm.IPackageManager.getInstalledApplications	com.wouldbegan28

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.wouldbegan28

Loads dropped Dex/Jar 3 IoCs

Runs executable file dropped to the device during analysis.

Processes:

com.wouldbegan28

ioc	pid	process
/data/user/0/com.wouldbegan28/app_DynamicOptDex/HdoCq.json	5044	com.wouldbegan28
/data/user/0/com.wouldbegan28/cache/eaaej	5044	com.wouldbegan28
/data/user/0/com.wouldbegan28/cache/eaaej	5044	com.wouldbegan28

Reads information about phone network operator.
Uses Crypto APIs (Might try to encrypt user data). 1 IoCs
ransomware

Processes:

com.wouldbegan28

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.wouldbegan28

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.wouldbegan28

com.wouldbegan28
1⤵
- Makes use of the framework's Accessibility service.
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Uses Crypto APIs (Might try to encrypt user data).
PID:5044

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/data/com.wouldbegan28/.qcom.wouldbegan28

Filesize
48B

MD5
046a414913add6f5bb60072c7db819b6

SHA1
451ee4f6809260aec622d772fd329c7d0297a842

SHA256
b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a

SHA512
4e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c

Download Submit
/data/data/com.wouldbegan28/app_DynamicOptDex/HdoCq.json

Filesize
2KB

MD5
28170be78b5ad3652a054edf8d5e8b1e

SHA1
7c75f9299e4b979428e6e87130b9d8f186d2330e

SHA256
16f76e47de48686e59d9314a14d0296c6b45e3f81327604d980e662170841234

SHA512
96a824ecccf00a598ef36ac296fc7ad8f64e2788533e8e698d6047a76c5411a48b84fc3023eb58db5857ef9b99e1d4cb71107966636ed7153df74699ba397ed0

Download Submit
/data/data/com.wouldbegan28/app_DynamicOptDex/HdoCq.json

Filesize
2KB

MD5
095439df27d25eafee908d27ed9ef84f

SHA1
e101b69770c6720d1f78abe1a5b8981d1844450a

SHA256
a9dbf65bd41426a28ce92be32f7688498bb6ace5eef5c5525d820ff3de4cff39

SHA512
a4883248ae56db04e9f1ce4917a1d108b78261c86334db12a119abb9bc7b17577d55eb9e933eb2d53cffb3260bb995f9caf0d5a752ba91d1e0295025eff67939

Download Submit
/data/data/com.wouldbegan28/cache/eaaej

Filesize
457KB

MD5
24ac7aeaa9235624fa180eb3ee6067a3

SHA1
2882e07823e18b33bf715bff3d881b87e94d75f0

SHA256
3a3c932c69144c05aba4be0ccb4815c08f77f1a4364894ba72f808564bfe6ddd

SHA512
e204dc2efafd7beb75c3b0d1f1e9dd8ca1c3153fa88c4088cbc25fab1205a1e2784055832f90f33630097d75328176c89aae4b330a080aeaca61d4c2f571ca1d

Download Submit
/data/data/com.wouldbegan28/cache/oat/eaaej.cur.prof

Filesize
535B

MD5
a20c01ceeb104b9e08d88e789d92a3fe

SHA1
821b621fc95d8feef3a8e2c6c81429e7ba5d4f9c

SHA256
fb00b4c8ae0ecb7c8097b8f17895f24adf36560abcec8f46543492c37746034e

SHA512
b3692eee73aa5da81bfd39874dd8482525287266f399a14169bc90a7cee3a5ea39f1fc4dd1832ec670311c5e7363de3db80c9f9c55558bd2668a8b8d9d8af9b4

Download Submit
/data/data/com.wouldbegan28/kl.txt

Filesize
423B

MD5
b6dfef4517f1f25a7a972e511df9f11e

SHA1
f28490bbc050b89245032597e32656273c97d6f6

SHA256
d176797b7c8f6a7e6c290b24abff159a08cc2039625ec5301c0a6dfd2352c4c8

SHA512
6c379f56a5d1924cf0121b1a642c6fa7e4c257577abfca59cec8acdf87df652ca5d88d0135b0eaba4953e661ab4df729312375810cb4dea78ca0890a9fa50b06

Download Submit
/data/data/com.wouldbegan28/kl.txt

Filesize
63B

MD5
13dee5a63abacca9cd3906fa5ee0932c

SHA1
ba2d3700ced23d8e32e42f50426bc8058ab32038

SHA256
e673a94c7e8b9cdea475ca617ccec54ec2f62d2f76aeb28305c0095918d16604

SHA512
f1a7a341aa76f4c28a9712e899def9ee0510b8e61d0be649ff9ccedd33b720f052704edbe0294e134bc97901b97b5416d70752835031f32402f13bea68fab3da

Download Submit
/data/data/com.wouldbegan28/kl.txt

Filesize
45B

MD5
0d6f82bacfa555e90bb7f317a85354ac

SHA1
36a661bbe5af97573c7ec1afd9d9d7f46dd725e8

SHA256
0954c2e349d589f6f22777b38d2f754021b8c85db2f3371fad833a9d2ea2566d

SHA512
f70f41472658a983db751e54dc32ba7b8e52a254e800d3c1ef1d4bec1f194c26c651dec881f6b2c8f9a5448a7319507a135be2176379464db2a40e5fbd381633

Download Submit
/data/data/com.wouldbegan28/kl.txt

Filesize
60B

MD5
af6765ca31457ecbaf28e175e068c1e4

SHA1
34fe7d4825caf923949368f0beee29507219a1e6

SHA256
b22737b2d54e153147d70f83b9172e42e7a96286f5949f608799efae16612572

SHA512
971ab99177063742945e685ce95cffda6011704450c50f401e2c85c06686887ae8db0a9cf594f795d8a264f05dcdac1814f1cb959c70af05a15400df2cd866e1

Download Submit
/data/data/com.wouldbegan28/kl.txt

Filesize
60B

MD5
af6765ca31457ecbaf28e175e068c1e4

SHA1
34fe7d4825caf923949368f0beee29507219a1e6

SHA256
b22737b2d54e153147d70f83b9172e42e7a96286f5949f608799efae16612572

SHA512
971ab99177063742945e685ce95cffda6011704450c50f401e2c85c06686887ae8db0a9cf594f795d8a264f05dcdac1814f1cb959c70af05a15400df2cd866e1

Download Submit
/data/user/0/com.wouldbegan28/app_DynamicOptDex/HdoCq.json

Filesize
5KB

MD5
1b0f40a4711285faa8988c53c198d925

SHA1
740235e31edb1bb69454f99579b4936994dc0cad

SHA256
1c63b4ad699c13b3e88e63fd74869d092f24a16591ab62ee2a514586704c22e8

SHA512
11f5736a43ffe1c9154d44851b5006319b5dd448a8554062da24ee184e02d53233b292c3973ec58158f10dedd55ddf4d862c9a4b1ed86543abf95e52c51eed83

Download Submit
/data/user/0/com.wouldbegan28/cache/eaaej

Filesize
457KB

MD5
24ac7aeaa9235624fa180eb3ee6067a3

SHA1
2882e07823e18b33bf715bff3d881b87e94d75f0

SHA256
3a3c932c69144c05aba4be0ccb4815c08f77f1a4364894ba72f808564bfe6ddd

SHA512
e204dc2efafd7beb75c3b0d1f1e9dd8ca1c3153fa88c4088cbc25fab1205a1e2784055832f90f33630097d75328176c89aae4b330a080aeaca61d4c2f571ca1d

Download Submit
/data/user/0/com.wouldbegan28/cache/eaaej

Filesize
457KB

MD5
24ac7aeaa9235624fa180eb3ee6067a3

SHA1
2882e07823e18b33bf715bff3d881b87e94d75f0

SHA256
3a3c932c69144c05aba4be0ccb4815c08f77f1a4364894ba72f808564bfe6ddd

SHA512
e204dc2efafd7beb75c3b0d1f1e9dd8ca1c3153fa88c4088cbc25fab1205a1e2784055832f90f33630097d75328176c89aae4b330a080aeaca61d4c2f571ca1d

Download Submit