octo | 6b4daf02a4732fd7c826fe5855de736834deb1cb1e80340f7f691af15cdc2085

Analysis

max time kernel
1659765s
max time network
158s
platform
android_x86
resource
android-x86-arm-20230621-en
submitted
17/07/2023, 07:37

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General

Target

chrome-update07037.apk
Size

1.4MB
MD5

6ce4811406f1aa4ac58885468d333d3a
SHA1

9c8dc854416102cd2da2d7b44d1308bd86c8397b
SHA256

6b4daf02a4732fd7c826fe5855de736834deb1cb1e80340f7f691af15cdc2085
SHA512

d57de270655b1521a78798d693553e4abc35d4236aa27d487c2a7ca91ae3f43302b142b76ab1d81f2365c162e771cd960ea8f60bc658fa780a65ef420336d366
SSDEEP

24576:CUP6c4qq8v0sM+B6zn7vtvuf6xHt0Q6rLapb65gNan3ZrliCOSHSl:CnR00geFvuZ+anpoCOZ

Score

10^/10

octo banker evasion infostealer ransomware rat trojan

Malware Config

Extracted

Family

octo

https://mix3etbt.website/YWRhZjAxNGM1YjFh/

https://btcountates.fun/YWRhZjAxNGM1YjFh/

https://3countbt.pw/YWRhZjAxNGM1YjFh/

https://vat-app.su/YWRhZjAxNGM1YjFh/

https://alleggro.pw/YWRhZjAxNGM1YjFh/

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/4106-4.dat	family_octo
behavioral1/memory/4106-1.dex	family_octo
behavioral1/memory/4106-2.dex	family_octo

Makes use of the framework's Accessibility service. 1 IoCs

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.lovelisten9

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.lovelisten9

Acquires the wake lock. 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.lovelisten9

Loads dropped Dex/Jar 4 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/com.lovelisten9/app_DynamicOptDex/XiqRBXa.json	4196	/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.lovelisten9/app_DynamicOptDex/XiqRBXa.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.lovelisten9/app_DynamicOptDex/oat/x86/XiqRBXa.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.lovelisten9/app_DynamicOptDex/XiqRBXa.json	4106	com.lovelisten9
/data/user/0/com.lovelisten9/cache/lwjoqnrtcdrlv	4106	com.lovelisten9
/data/user/0/com.lovelisten9/cache/lwjoqnrtcdrlv	4106	com.lovelisten9

Reads information about phone network operator.

Removes a system notification. 1 IoCs

evasion

description	ioc	Process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.lovelisten9

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

ransomware

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.lovelisten9

com.lovelisten9
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
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
PID:4106
- /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.lovelisten9/app_DynamicOptDex/XiqRBXa.json --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.lovelisten9/app_DynamicOptDex/oat/x86/XiqRBXa.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4196

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.lovelisten9/app_DynamicOptDex/XiqRBXa.json

Filesize
2KB

MD5
e41607ccaebf4a8de9748308cba5fb94

SHA1
034dd682f90423e22b52d35fbe77c1d422601630

SHA256
1d7c8352094032d5fc3b8f752bb6d9c25b66badd07d5b3b0afd0755eafd17ee8

SHA512
81f0891e7b5a3007d0aaa6e4d189301e9c9245c06071c882c004aa27b72d73b0fe566eba895be8e04ddd79c95dbc503741da4c60037e79d69d93b800858a899f

Download Submit
/data/user/0/com.lovelisten9/app_DynamicOptDex/XiqRBXa.json

Filesize
7KB

MD5
b5faf4c350c3fc6b3f8bfd9610297ea7

SHA1
3bfabbaadf1ef00d68035951d1b27a5dbf9600cc

SHA256
c619fc5527681fbfaef5728a43a9b701995626d7a43df383cbeb9b6ca96ede6c

SHA512
60d2370297e0e0196fda089f43203c5e2499b8ddce423add500eec6930be770f2d22129e7ab11c58beeb4b6fe359fb11768f6e8e193c25aee6161189374ae920

Download Submit
/data/user/0/com.lovelisten9/app_DynamicOptDex/XiqRBXa.json

Filesize
7KB

MD5
597e148366144583936448082dca7069

SHA1
e01a6f11efeb53d1a34936a8ceae7cc8ea6a9b67

SHA256
e8b4cf212ff8ebf18820abadd276fb2c4f0b9b00d5107d743b325fec481f9821

SHA512
b039998dc1c5b0525fd0f59c2a83dfe7c9a7517dae7fc310a866f27aef57fba6f6f33be030df2819395fe3beef4d42ea678ae5292425211ffa3bf54867d1ef44

Download Submit
/data/user/0/com.lovelisten9/app_webview/GPUCache/index

Filesize
20B

MD5
93027d42b314432c4216e6cfca48b384

SHA1
43448dd8102979c3926828182579691945eedd4e

SHA256
3cda72e67c62e52a342309c44f2cb3b6c1019c7b11822e2f628e48e254e2b41c

SHA512
a52d13cf7f5be196d1e2f135b8a010f80558c5d35e90e7792441d1c976517d55cf1c9587949db69ebef294cc6ef79529a65e7d779964793016efecacd152f70e

Download Submit
/data/user/0/com.lovelisten9/app_webview/GPUCache/index-dir/temp-index

Filesize
48B

MD5
763f8065adaf3c1ed8a092f1a279bc89

SHA1
872cd36cfc5145495563d6ea760272b7a5426b76

SHA256
69862fac42f15a65bb60395aef55f7a2c57cf7922e7aa43d612dbaca5056b926

SHA512
81ab572a8a91bdb3854b7c4acf0f89052d99ffb5e03346bf52d2546f53ec4303a69ab9bbaaffc517ac4303fbd75cc435e7470f02f4cc4fc830cd5f7e2f2b7874

Download Submit
/data/user/0/com.lovelisten9/app_webview/Web Data

Filesize
104KB

MD5
dc79f9ce5f3ab5270b33e61119dfc959

SHA1
1844bf222a5144b513dcf2fb50a18c011701c647

SHA256
47e65f4de08deabfd52ecdb8b0a29c61c482188b92c36182e2112ca0a8f4ff65

SHA512
18b8894a7f35df516f423bbdebf1e05ce09eaf4345b139e59e603cadb81f8d1fa20f793438c28e8fd9a64e64f0684223d90ce6f10d3f93cb0c781049a8cff03e

Download Submit
/data/user/0/com.lovelisten9/app_webview/Web Data-journal

Filesize
1KB

MD5
1140db34810c1f1f7a2d8d2f59357cde

SHA1
5673e7fcad86883af49da43887df39fed7b08372

SHA256
96d15cee939335fa4f517848a60fbc0385fbcd2fc36632740979d5073c8b6654

SHA512
9ac3913c341725e201aaa4924527c470ae1480d4b6c12fff996af1ee7906710bcc5d825bf9243e8974f25a451026de700a7562159cb63eb26008b7f885fc016d

Download Submit
/data/user/0/com.lovelisten9/app_webview/metrics_guid

Filesize
36B

MD5
7a107f4d6281f4618459d3bedd46786f

SHA1
17fa3e2d081d9097041b039d1901079066c3cecd

SHA256
08e3cfaefbdc5c894092b84f93d4816e41a47cf397bfcc48c3cd548a1ab96cdb

SHA512
995cc18639c6f77230b5fd473a6e3ef1111187a00f3f775d924f65d26f8f85ad38da8f7c3f773436402fcec3ab7c827c70e7f06dc962deb87fcbe565631160bf

Download Submit
/data/user/0/com.lovelisten9/cache/lwjoqnrtcdrlv

Filesize
448KB

MD5
c1f856d38c15a688010f021e85c86e10

SHA1
d5e38b29b0172b947fac62fe127122f07203f3e5

SHA256
1d52721c048f5f18f2c6378c4f25e67570f1bafe38050fd65b896d24f0353eed

SHA512
8c89be02b76b32c1738d379d464e7e5a0304f0b200b1fa1139452eda88766a4298042ff46962dcb13d8c2cfd1297deea25c275175db2ab270f10fc5b543f731b

Download Submit
/data/user/0/com.lovelisten9/cache/lwjoqnrtcdrlv

Filesize
448KB

MD5
c1f856d38c15a688010f021e85c86e10

SHA1
d5e38b29b0172b947fac62fe127122f07203f3e5

SHA256
1d52721c048f5f18f2c6378c4f25e67570f1bafe38050fd65b896d24f0353eed

SHA512
8c89be02b76b32c1738d379d464e7e5a0304f0b200b1fa1139452eda88766a4298042ff46962dcb13d8c2cfd1297deea25c275175db2ab270f10fc5b543f731b

Download Submit
/data/user/0/com.lovelisten9/cache/lwjoqnrtcdrlv

Filesize
448KB

MD5
c1f856d38c15a688010f021e85c86e10

SHA1
d5e38b29b0172b947fac62fe127122f07203f3e5

SHA256
1d52721c048f5f18f2c6378c4f25e67570f1bafe38050fd65b896d24f0353eed

SHA512
8c89be02b76b32c1738d379d464e7e5a0304f0b200b1fa1139452eda88766a4298042ff46962dcb13d8c2cfd1297deea25c275175db2ab270f10fc5b543f731b

Download Submit
/data/user/0/com.lovelisten9/shared_prefs/WebViewChromiumPrefs.xml

Filesize
127B

MD5
21223e9184445fe043476484cd8cb1f9

SHA1
2b4813f849121d60ba35eb0889080668bb62c778

SHA256
bb61b7c087c2ae2de93a7740ff75707342940557146366e92b840284cd9446af

SHA512
be21408de0cc643650e5d9ab9057a8f9de88e37fbdc6417cfeba160402ec4cd14fccbc82cbbfd941ecfc0bb3d4056ee61ac199efdc99d647d53e65818835fd48

Download Submit
/data/user/0/com.lovelisten9/shared_prefs/main.xml

Filesize
133B

MD5
39733f836ee2393a3789471b70280f97

SHA1
439e8aa7e4ab44c5b288cd76069a6959355f6f2e

SHA256
b4d748e8503762be32e580f29ad0195aa9ec092b395e369dc5546916c4ac1713

SHA512
fc8d6c95703cfe233c0f0138a81d08c374861c03c9f58697c2119b25ff812f8003fa2c130130bc62ae343a3685a5bfe419bed33d10d5d6862a438f9a11afa122

Download Submit
/data/user/0/com.lovelisten9/shared_prefs/main.xml

Filesize
3KB

MD5
278c4f323aad9407032e4dc405e42d09

SHA1
e2a83258f0720dbdef555f8a4d911edcc8acd373

SHA256
da7149afc0e85216fb2430eae179b53241705cbea4b3204f3bae0f820824592c

SHA512
987338202cb813b5bad0b25b2eb7584d4f6e441d413c7c51b339029eb7c3fae890f148d2c5053fcb5ac78201444f30fc6f0e1601fdfeda881641998593c09047

Download Submit