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Analysis
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max time kernel
149s -
max time network
152s -
platform
android-13_x64 -
resource
android-33-x64-arm64-20240910-en -
resource tags
arch:arm64arch:x64arch:x86image:android-33-x64-arm64-20240910-enlocale:en-usos:android-13-x64system -
submitted
16/12/2024, 03:19
Static task
static1
Behavioral task
behavioral1
Sample
02a7b6c674daf7257c2ea95e4f5a96f675febb4a53f5e29c7ccbf5fe2dc3f81b.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
02a7b6c674daf7257c2ea95e4f5a96f675febb4a53f5e29c7ccbf5fe2dc3f81b.apk
Resource
android-x64-20240910-en
Behavioral task
behavioral3
Sample
02a7b6c674daf7257c2ea95e4f5a96f675febb4a53f5e29c7ccbf5fe2dc3f81b.apk
Resource
android-x64-arm64-20240910-en
Behavioral task
behavioral4
Sample
base.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral5
Sample
base.apk
Resource
android-33-x64-arm64-20240910-en
General
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Target
base.apk
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Size
8.4MB
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MD5
fb1ba100e4f57daec89c73b22233d569
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SHA1
a42efe6a797ec95c815f3822d1e4ec16306df6af
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SHA256
c5ab9a0327ac718c196f0fb3709fd6fbeaad327bb5bf1685174f54acbeb79dcf
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SHA512
e3a07f378c76628eb8c103f154264b023c48530ae36d8c13faa0995581ea2605540e315496ae4c0898a11e7f24ea5aa25a5c63371e411ffdd0a0ad92aac8088e
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SSDEEP
98304:W3G/AJgoTVK2i0aj7+5iSRGAkRsgMj3j1dc961b0mH5Zn:MGAJgoTUV5j7+r+Rxy3T66175
Malware Config
Extracted
octo
https://dcbafa46fded53ee7a98b8deeb3b88a9.xyz
Signatures
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Octo
Octo is a banking malware with remote access capabilities first seen in April 2022.
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Octo family
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Octo payload 1 IoCs
resource yara_rule behavioral5/memory/4514-1.dex family_octo -
Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.nexplorer1virtualcontacts/app_miss/df.json 4514 com.nexplorer1virtualcontacts /data/user/0/com.nexplorer1virtualcontacts/[email protected] 4514 com.nexplorer1virtualcontacts -
Makes use of the framework's Accessibility service 4 TTPs 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
description ioc Process Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId com.nexplorer1virtualcontacts Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.nexplorer1virtualcontacts -
Obtains sensitive information copied to the device clipboard 2 TTPs 1 IoCs
Application may abuse the framework's APIs to obtain sensitive information copied to the device clipboard.
description ioc Process Framework service call android.content.IClipboard.addPrimaryClipChangedListener com.nexplorer1virtualcontacts -
Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
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Queries the phone number (MSISDN for GSM devices) 1 TTPs
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Acquires the wake lock 1 IoCs
description ioc Process Framework service call android.os.IPowerManager.acquireWakeLock com.nexplorer1virtualcontacts -
Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs
Application may abuse the framework's foreground service to continue running in the foreground.
description ioc Process Framework service call android.app.IActivityManager.setServiceForeground com.nexplorer1virtualcontacts -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.nexplorer1virtualcontacts -
Reads information about phone network operator. 1 TTPs
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Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
description ioc Process Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS com.nexplorer1virtualcontacts -
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
description ioc Process Framework API call javax.crypto.Cipher.doFinal com.nexplorer1virtualcontacts -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.nexplorer1virtualcontacts -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.nexplorer1virtualcontacts
Processes
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com.nexplorer1virtualcontacts1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Queries the mobile country code (MCC)
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4514
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Download New Code at Runtime
1Foreground Persistence
1Hide Artifacts
1User Evasion
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Credential Access
Clipboard Data
1Input Capture
2GUI Input Capture
1Keylogging
1Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
3Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
48B
MD5046a414913add6f5bb60072c7db819b6
SHA1451ee4f6809260aec622d772fd329c7d0297a842
SHA256b66c1320cb063a1d391c94273572ea6edae76c8c8b0a07f8d75c88686f0df72a
SHA5124e6355f3051ed5e811ab030abde1f5be7f5e1cf33be99cd08477e9b6c015deb1d8bd75a09fb9c7176b8511c5ad0a67abc0902a3531e97564ccb6afc57496a47c
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Filesize
1019B
MD57d5665590f120ff36fb60655f8830b6d
SHA1072a2e08d21c4ee14d6a40c23e1a9ee22aab8519
SHA256265322f338d411e43330986a965c99cad3f750216ae49a010eeae8780913b47f
SHA51221e37553dfb80dd3fbe30fe53d0eb185cbfb394683ff4757ef122eb3ec5232f3c42e2da738d5166cfcb7a7d113acf4470a8427ecd417cf57ba9901cb816c13a8
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Filesize
1019B
MD582e2a576d733f98ad5c9af06c0565ef3
SHA133f03ebb438ffcf7cc85e8bbdb5dc7d94a388d4e
SHA256972271df3c2cfeedbccbd04ad1fa2bde58303894f3b55ecb838106ae968ca390
SHA5125093ef745fba22f70dc3f8814101eaa1f1f69a6a0427e3d1ec39b73144371814e629aa8d8c6b7664e99d69d922c272563d08cf83fdd2ee35eae0801544e5b845
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Filesize
322KB
MD577dc50489b9323274732d27dc8a4e803
SHA10e02a3595b62489d0739d771881da8604d117c65
SHA256c5684e792d1ebefea6aac09fed45911703fd58c899f8a08133d49dd91429a820
SHA5120684a92f3e9c525384cfa53f531afba61e5930e1c27032a7e27e3315f72761b62e122dc34768d8162ba08f9bed53d148aa8dc034b46456bdd211f230637eba58
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/data/data/com.nexplorer1virtualcontacts/oat/x86_64/[email protected]
Filesize13KB
MD5a8d614974ea52022401452d6b7873ea2
SHA13cdc4bd3771979141e03f84aa11e3917f1fb2850
SHA2568f1c3bedb66ec5cf2f16581627ee112189134c51250a37686c34ade82684d8eb
SHA5123d66629972cfc033893fcdbbc465c659086ca9eb304d3dc78ce5f41b63012abbc2006ccb04a99695c1e89616fc56daf97f4be569662490c39c154bcb0d48c4fd
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/data/user/0/com.nexplorer1virtualcontacts/[email protected]
Filesize526KB
MD545c37768db32e13da8f70a249806d76b
SHA1b7f02f5d8b1446857dc049cf6e66c504146e017f
SHA256ace33f0067a81ffd518f63074ef3579da40c42fb040dcc6104753c4fb77b87f1
SHA512b4fa54afe6e2be2cd0405792e0bcf8fea5cd65e041a414ba8ab0f75a1f0c665acfb195af8619fba937d0b38d685c4fa474af73092030854a9caf033ce37634ce
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Filesize
1KB
MD578196e3ab86705d8577301b21d8ed684
SHA1dd826107946738f9f43812435376c1c7d7a417f1
SHA256547ccd52655902ce0fa1a96e82d71484480ad8ba79a99f4ec078244786bc139a
SHA512567fa802e2c931670a39c04ed7b5f8b9a95901fe18d30a6ca7f435fa99b2ce09bd8919198be256e7732119e5029afede310adff80d26f3030769e1cd528fdc55