octo | ab02e4cbe64c32b1ca18abd8a727c6e6e5f70d6ccb534da980df2f4210c23d6f

Analysis

max time kernel
877718s
max time network
157s
platform
android_x86
resource
android-x86-arm-20230831-en
submitted
12/10/2023, 11:38

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

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 evasion infostealer ransomware rat stealth 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://zazarazgok7215vor1.pro/MTU2OWE0NzJjNGY5/

https://juf18ki1ca15ca1la.info/MTU2OWE0NzJjNGY5/

https://pofvac15camkkecz5.cc/MTU2OWE0NzJjNGY5/

https://makivn58jnid51.live/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

resource	yara_rule
behavioral1/files/fstream-6.dat	family_octo
behavioral1/memory/4176-1.dex	family_octo
behavioral1/memory/4176-2.dex	family_octo

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

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

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

Removes its main activity from the application launcher 1 IoCs

stealth trojan

pid	Process
4176	com.wouldbegan28

Acquires the wake lock. 1 IoCs

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

Loads dropped Dex/Jar 4 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/com.wouldbegan28/app_DynamicOptDex/HdoCq.json	4200	/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.wouldbegan28/app_DynamicOptDex/HdoCq.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wouldbegan28/app_DynamicOptDex/oat/x86/HdoCq.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.wouldbegan28/app_DynamicOptDex/HdoCq.json	4176	com.wouldbegan28
/data/user/0/com.wouldbegan28/cache/eaaej	4176	com.wouldbegan28
/data/user/0/com.wouldbegan28/cache/eaaej	4176	com.wouldbegan28

Reads information about phone network operator.

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.wouldbegan28

Removes a system notification. 1 IoCs

evasion

description	ioc	Process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.wouldbegan28

Uses Crypto APIs (Might try to encrypt user data). 1 IoCs

ransomware

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).
- Removes its main activity from the application launcher
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
PID:4176
- /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/com.wouldbegan28/app_DynamicOptDex/HdoCq.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.wouldbegan28/app_DynamicOptDex/oat/x86/HdoCq.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4200

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

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
465B

MD5
cc9a7acf37432834cb5f4f4224eb1808

SHA1
94f4f74dff3ef2b56ac8058152b8ae3137f57814

SHA256
c7e760461b1b923b8e1880bb462fb06ba77bdd194ce49b61a2e0c3df9881b544

SHA512
609ae25075e9d1d4045dbb7d54491529073d80ac9f1b47495aeb9115a5d4ffc77d3ff2a627ed71debf1e37fc7dbef06041c192d28072b428282cca36783e28c5

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

Filesize
28B

MD5
6311c3fd15588bb5c126e6c28ff5fffe

SHA1
ce81d136fce31779f4dd62e20bdaf99c91e2fc57

SHA256
8b82f6032e29a2b5c96031a3630fb6173d12ff0295bc20bb21b877d08f0812d8

SHA512
2975fe2e94b6a8adc9cfc1a865ad113772b54572883a537b02a16dd2d029c0f7d9cca3b154fd849bdfe978e18b396bcf9fa6e67e7c61f92bdc089a29a9c355c6

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

Filesize
230B

MD5
39beb18bbb7d40deebd768ae9a47cd11

SHA1
e59fa38b2de48f82a73010f177fc41854dc40ab7

SHA256
700a3b69da9fa48926da3a8556529f4d443fd608d84816c1ecb00770e9fa0b86

SHA512
3399207e99d06a458ba7200f124560d3a33643012e9eb95344147d5f16381ebf07ea2b67d6f5f8b44fb339bdfbfab27be01a1485ec67659163e89b86edb74845

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

Filesize
63B

MD5
4e1116e6ffab68752e0c52b68bbc07ef

SHA1
c1707f21da0aa1d0ab6230a5d4e63a60f10ddedc

SHA256
4b294af5fd429b74925eece0e2408a0afa7f2aa38d60bef1534cabe38efeba26

SHA512
da7400c87d4eba24efa1bc4382902915adc455734014f60acc00d39f3ce000d7dc25212d865728d3cf512b01c6bb27a314c9ee255fa861149ec839a468290c16

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

Filesize
54B

MD5
40ff17811cd2786a9b7a265d2ba086be

SHA1
1d819db0c53fd4f29c14dcd3c3052edc1bf0d277

SHA256
09c0c12e23b1e684c8750e4a6890bcf0f4ab72a23a247c961793cd54f4ec9150

SHA512
b8443ddcff07b3b2c1ee034b326b1555ae1f80040f26d95c2858a39493b4801ee0c5402526cf04ebe0fd34eb13292a4374bcb562c2ea1096190579a8fa293f07

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

Filesize
423B

MD5
bfdb3e508f542d4020a55d14e44e1459

SHA1
d3f96035f5948593a837dc804a23b12ab18a5e7a

SHA256
5bdac9d98c9fee94a4253985d46908ce81544971490ce2c57a1bca39cd132746

SHA512
835acb93d5376d7b1212b801a88626a9753285f6a74040d52c17a4873711f6a70f0b137079dd5c71426e5699902dbce53199c4b3c58514ae8264931d37571276

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

Filesize
5KB

MD5
526a4842bc4a61473840b08132762d31

SHA1
f7bc29d95c3ca258385dd6cb34720999e444c27a

SHA256
53d9cf6863bcedf16d11517cea53df7bb5acd5b5745674be7dc13eb72eb702c5

SHA512
4ee74bdf871c72c91b9424fa0522b79ecb5364c88e139dc881ea0bb2f304aa7b13cf1ec4fcd991d0962d306e96c9a1acaa4f18895bdaf1fc8b5646568287b35c

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