octo | b8f6a1c6bca732179a2910f4edfe14da338fc450916c3ac30624ab0e97ee5cdb

Resubmissions

10-06-2023 13:52

230610-q6nqjsfb34 10

10-06-2023 08:13

230610-j4wvtafb3x 10

Analysis

max time kernel
2778133s
max time network
161s
platform
android_x64
resource
android-x64-20220823-en
submitted
10-06-2023 13:52

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General

Target

GooglePlay23Update.apk
Size

527KB
MD5

678ec9c49e39cfb9968133070a42bc68
SHA1

81f3a1c6f9cb21da4b7583950c57df19ad792954
SHA256

b8f6a1c6bca732179a2910f4edfe14da338fc450916c3ac30624ab0e97ee5cdb
SHA512

08a4f71f1391b4576ae09c54202ada1e5fdeb4ee340d63c8238d6dd9eb957acb7648acf46720d6625551f65df504b65030665d4e7532d8e03870318a1349ca32
SSDEEP

12288:dsrKKeBnu0q711M8r/P0YqyICAiVJJupr8+/CKIl4a:dsl4u0qn5TvZAqJom+HIl1

Score

10^/10

octo banker infostealer ransomware rat trojan

Malware Config

Extracted

Family

octo

https://2fdghhoo11.top/doc/

https://3fdghhoo11.top/doc/

https://4fdghhoo11.top/doc/

https://5fdghhoo11.top/doc/

https://6fdghhoo11.top/doc/

https://7fdghhoo11.top/doc/

https://8fdghhoo11.top/doc/

https://9fdghhoo11.top/doc/

https://10fdghhoo11.top/doc/

https://11fdghhoo11.top/doc/

https://12fdghhoo11.top/doc/

https://13fdghhoo11.top/doc/

https://14fdghhoo11.top/doc/

https://15fdghhoo11.top/doc/

https://16fdghhoo11.top/doc/

https://17fdghhoo11.top/doc/

https://18fdghhoo11.top/doc/

https://19fdghhoo11.top/doc/

https://20fdghhoo11.top/doc/

https://21fdghhoo11.top/doc/

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/user/0/com.goldwould7/cache/cngjfo	family_octo
/data/user/0/com.goldwould7/cache/cngjfo	family_octo
/data/user/0/com.goldwould7/cache/cngjfo	family_octo

Loads dropped Dex/Jar 2 IoCs
Runs executable file dropped to the device during analysis.

Processes:

com.goldwould7

ioc pid process

/data/user/0/com.goldwould7/cache/cngjfo 4853 com.goldwould7
/data/user/0/com.goldwould7/cache/cngjfo 4853 com.goldwould7
Reads information about phone network operator.
Uses Crypto APIs (Might try to encrypt user data). 1 IoCs
ransomware

Processes:

com.goldwould7

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.goldwould7

ioc	pid	process
/data/user/0/com.goldwould7/cache/cngjfo	4853	com.goldwould7
/data/user/0/com.goldwould7/cache/cngjfo	4853	com.goldwould7

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.goldwould7

com.goldwould7
1⤵
- Loads dropped Dex/Jar
- Uses Crypto APIs (Might try to encrypt user data).
PID:4853

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.goldwould7/app_webview/.com.google.Chrome.5bh7D5
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.goldwould7/app_webview/GPUCache/index
Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.goldwould7/app_webview/GPUCache/index-dir/temp-index
Filesize
96B

MD5
20df185c2e829e7bee5802363f8476e6

SHA1
de7d5baac36abacdce29d01023fba87c828a17ba

SHA256
f44e05592b33761f20e825998a3066a3877bb41674fb1da5463bf8afd7513fe0

SHA512
fb21a1ca2f73fac876666a0a7bb72cca1f289ef1a22bbb88b4f6cc7c3a7d5e3caed5e109342aa055937278775fa50ffbad5ff03102ef396b78a87e308e573c64

Download Submit
/data/user/0/com.goldwould7/app_webview/Web Data
Filesize
112KB

MD5
b663831f8cc130493476d94f2d7a5330

SHA1
043a1956ab8e40821d67043f8a9110a8eb36fb93

SHA256
c109aa8bfc364d5fd0756f1c9d35ee3d6df31325061ac70d8469f28cfc882ab7

SHA512
e8ee923192cdf16318febdc23362f3eeaf5c914b923f80cd3a91a2e83e94bced54460d4ef1e54accc26a7d54b89e2e10c00097e60002cf6427298dc5f18fed16

Download Submit
/data/user/0/com.goldwould7/app_webview/Web Data-journal
Filesize
1KB

MD5
7a18ab018b9254f2a3a511ffedd6ec92

SHA1
77644602eb1ff99725a19e7c541e13c681724cf2

SHA256
a1ed4f99a8d1aa8347862ab7ecf581d8153b5538268639c7eac3d4b070eab407

SHA512
3f51409a1897dd25845452bc2602f8bb54f1bb975b4db8f1a675107faf03095e334195e00b4d8490bb669d851325acec7da084f28d92b60cfe3db57e4320e96d

Download Submit
/data/user/0/com.goldwould7/app_webview/metrics_guid
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.goldwould7/app_webview/metrics_guid
Filesize
36B

MD5
4537894e220c0daf5dd5ad4c20170229

SHA1
11be07fa33e7b0f0415fd12b7bab5198159f68ee

SHA256
050d7a302d0de13d7489148f89a1fc5f9799ca15a2abfb6491e0c52bb67ab8ff

SHA512
c0afc46b34d39617c9a9c1cc277b40918da37b35f0cb0ca073fcc5fa083cf563113aef7ec2f7aac39f75443d3233e55f652f3dff2f0743b5e38505fb75cea37d

Download Submit
/data/user/0/com.goldwould7/app_webview/variations_seed_new
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.goldwould7/app_webview/variations_stamp
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.goldwould7/app_webview/webview_data.lock
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.goldwould7/cache/WebView/Crashpad/settings.dat
Filesize
40B

MD5
92b093ac6f1599b8fc1205df330bbe84

SHA1
14d2d565d6e07c864c460147924f33f8fe24715e

SHA256
9e0d5ff4c90a74bbd34fbcd76dbf85ea7fb2741dbed3532977145b315ca4a802

SHA512
7162d17a0a338a2681b07fd61e820a057b4b10a43eae63b899000b4800174c2156580d78bdf8356d26e2717e3aa4ab86c1843d535f1ede168dcf799d9f8ef319

Download Submit
/data/user/0/com.goldwould7/cache/cngjfo
Filesize
448KB

MD5
386530a97448903f4c624d33c69a1452

SHA1
e879ca8217c085b2a840df62fa8692ef840b8594

SHA256
94f40ef2b9612041cb871072912b97252e5fda2b4da3c8ae7b32de2dcfbbd401

SHA512
e3f410a5415041abbdb28ceab17324c39f04c97c8de9f68ad37b50427aca663e396ccb9a4cfea8a7d52d156d86a9967916ee5afe5eff1e0dc637fbfa81451a0b

Download Submit
/data/user/0/com.goldwould7/cache/cngjfo
Filesize
448KB

MD5
386530a97448903f4c624d33c69a1452

SHA1
e879ca8217c085b2a840df62fa8692ef840b8594

SHA256
94f40ef2b9612041cb871072912b97252e5fda2b4da3c8ae7b32de2dcfbbd401

SHA512
e3f410a5415041abbdb28ceab17324c39f04c97c8de9f68ad37b50427aca663e396ccb9a4cfea8a7d52d156d86a9967916ee5afe5eff1e0dc637fbfa81451a0b

Download Submit
/data/user/0/com.goldwould7/cache/cngjfo
Filesize
448KB

MD5
386530a97448903f4c624d33c69a1452

SHA1
e879ca8217c085b2a840df62fa8692ef840b8594

SHA256
94f40ef2b9612041cb871072912b97252e5fda2b4da3c8ae7b32de2dcfbbd401

SHA512
e3f410a5415041abbdb28ceab17324c39f04c97c8de9f68ad37b50427aca663e396ccb9a4cfea8a7d52d156d86a9967916ee5afe5eff1e0dc637fbfa81451a0b

Download Submit
/data/user/0/com.goldwould7/cache/oat/cngjfo.cur.prof
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.goldwould7/cache/org.chromium.android_webview/Code Cache/js/index
Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.goldwould7/cache/org.chromium.android_webview/Code Cache/js/index-dir/temp-index
Filesize
96B

MD5
77548fad36b854c031248b30b1438076

SHA1
917fdf17184f3d5e4593c807f3e9ceafba247789

SHA256
d491ec9d025f568d405fcf751559a973293dedef9c23392e4ee9b12b41d940f0

SHA512
a56705df3a7c2b8146d6474143b2be035f4e7763f49d5919ff9de9ce2a4a15f62ab703fd8979b6a4cf46329e7f1fec63b3082961ce9a0e63916d11285d9c3834

Download Submit
/data/user/0/com.goldwould7/kl.txt
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.goldwould7/shared_prefs/WebViewChromiumPrefs.xml
Filesize
127B

MD5
6ef709b8536878951e87c29a1518fc2b

SHA1
24376c70b00152501b3d98df61fa7db435339172

SHA256
10b13d894f36d4391fcc31313a244d5f6cd89c8e8c03347282e281c4af13c0a6

SHA512
96547eff6779251a5c4941e812ec56ed273e9270265005723e1f2864688b04f3b852a90145fba4ea0ddf1e02b39d99e33d28f761b07a04d46e0e4257d8909ff9

Download Submit
/data/user/0/com.goldwould7/shared_prefs/main.xml
Filesize
132B

MD5
1a13a9e190f0e80630aa2ca1b9cbf680

SHA1
6fa97f3bfeadebf1dce33b673cbdd3a216d99151

SHA256
b0573b9e3709be96ecfe27c25da6bc4771cce12133ae9be894ad2423de21edb6

SHA512
d59afa7d2fca50723453ba815d4273581152f992a799aab25bb0a90fda615d47d70f704ec5212f474ddaebbb1e549a4b6871fbd94464c350f76d9793dba2ab86

Download Submit
/data/user/0/com.goldwould7/shared_prefs/main.xml
Filesize
5KB

MD5
ff25464c26502d5dc15368d1ae9af014

SHA1
7f8be96e89389c7b6407652766069dc621c61273

SHA256
b7ec4f2340669080c7cee2903fc3f4670fa65ab08ff5e6dadf0924cce1f1e49d

SHA512
32e74187ea411fe26ff9523ce1741a282b4d9ffae475d3d0c6a384a99bb29a180b19f413ee87d33ae0dafb33fb0dcba6d0657788128c844cda3a985f881f2f73

Download Submit