Analysis
-
max time kernel
78s -
max time network
156s -
platform
android_x64 -
resource
android-x64-arm64-20240624-en -
resource tags
androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240624-enlocale:en-usos:android-11-x64system -
submitted
04-01-2025 22:06
Static task
static1
Behavioral task
behavioral1
Sample
99636071a041eb47ddf2643f7679aa15dca390bf6a74576c009b291fed89e93c.apk
Resource
android-x86-arm-20240624-en
Behavioral task
behavioral2
Sample
99636071a041eb47ddf2643f7679aa15dca390bf6a74576c009b291fed89e93c.apk
Resource
android-x64-20240910-en
Behavioral task
behavioral3
Sample
99636071a041eb47ddf2643f7679aa15dca390bf6a74576c009b291fed89e93c.apk
Resource
android-x64-arm64-20240624-en
General
-
Target
99636071a041eb47ddf2643f7679aa15dca390bf6a74576c009b291fed89e93c.apk
-
Size
1.5MB
-
MD5
bec12b71796dc3ad130c410f58f5d299
-
SHA1
2edd55a52c512ca686fac7d82747be9c4469167c
-
SHA256
99636071a041eb47ddf2643f7679aa15dca390bf6a74576c009b291fed89e93c
-
SHA512
16ae0278fd1158ddcec46b49b3630689a46bddc010963abbc36cb4609cbfee1a58c77731e1fb6f7992c19b3ab5b6187d1c8ebf885b67f05ee4847b905d87bd55
-
SSDEEP
49152:vsVXZMN6ZOilFsDbVN9uFPZIlfLVsem5WhLfsZu:vaXicImuH9KulfLuems2U
Malware Config
Extracted
cerberus
http://94.250.253.26
Signatures
-
Cerberus family
-
pid Process 4656 com.bicycle.tortoise 4656 com.bicycle.tortoise -
Loads dropped Dex/Jar 1 TTPs 3 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.bicycle.tortoise/app_DynamicOptDex/nB.json 4656 com.bicycle.tortoise [anon:dalvik-classes.dex extracted in memory from /data/user/0/com.bicycle.tortoise/app_DynamicOptDex/nB.json] 4656 com.bicycle.tortoise [anon:dalvik-classes.dex extracted in memory from /data/user/0/com.bicycle.tortoise/app_DynamicOptDex/nB.json] 4656 com.bicycle.tortoise -
Makes use of the framework's Accessibility service 4 TTPs 3 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
description ioc Process Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.bicycle.tortoise Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId com.bicycle.tortoise Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText com.bicycle.tortoise -
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.bicycle.tortoise -
Queries the phone number (MSISDN for GSM devices) 1 TTPs
-
Performs UI accessibility actions on behalf of the user 1 TTPs 4 IoCs
Application may abuse the accessibility service to prevent their removal.
ioc Process android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.bicycle.tortoise android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.bicycle.tortoise android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.bicycle.tortoise android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction com.bicycle.tortoise -
Requests changing the default SMS application. 2 TTPs 1 IoCs
description ioc Process Intent action android.provider.Telephony.ACTION_CHANGE_DEFAULT com.bicycle.tortoise -
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.bicycle.tortoise -
Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs
description ioc Process Framework API call android.hardware.SensorManager.registerListener com.bicycle.tortoise -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo com.bicycle.tortoise -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo com.bicycle.tortoise
Processes
-
com.bicycle.tortoise1⤵
- Removes its main activity from the application launcher
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Obtains sensitive information copied to the device clipboard
- Performs UI accessibility actions on behalf of the user
- Requests changing the default SMS application.
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Listens for changes in the sensor environment (might be used to detect emulation)
- Checks CPU information
- Checks memory information
PID:4656
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Download New Code at Runtime
1Hide Artifacts
3Suppress Application Icon
1User Evasion
2Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Credential Access
Clipboard Data
1Input Capture
2GUI Input Capture
1Keylogging
1Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
35KB
MD53369fdcbb816556d2fa130f250679ccc
SHA1f7a7f2b44943e0fb01b0a74d04bb2ad982d1dd09
SHA256c315364707f42db525a38f93843644a4b66d762520a0e6710a2acb02214f17f7
SHA512ecb09df174dafed1d72e2c200d09b7feb36eea1d57a8364c277858f859c6ceb43b1ef2f0b8897445efc73b06a69703c95c1d24333ba8393630a94f24043b92cc
-
Filesize
35KB
MD5fa21280f4f07e6a5412fd674d5fae8d7
SHA1d2104a59c8acb97fbc36afdea57b75820a0fc8da
SHA25604fd70e578d8028854021b7bee1051ace236ec353c47a786a7f57d9e9597d0df
SHA512401784a1b6b1f225b666c9471ea90b819e51cc3c5246b9e06b5d8e8303cc2a56be15a4da046d94adeb822ab88a6df87731597b40093fa15db1b4436c28746346
-
Filesize
77KB
MD5fbfec32963eec74794d898179aee8b56
SHA1cc98bdf6e6fc12d7fb8ec6caf36d7b0cb35f7ca6
SHA256d15f4935437ed4422d98c2c68a1d352a781300349596adba217d9b2b94e2eca9
SHA512f846a87654034a0e00044859e354598e244d4d52c0af1bc9240b143c566919c0aa108baaeb9bf24e8c030f973b1202c417e82d72db7b0b045ba2371fdc5c1bfe
-
Filesize
147B
MD584d9c9090d31f8528b60e6ceea708537
SHA166d664e59848db5b90d4d057401ea4c280ba1436
SHA256668143554c018da9383b4299848f2768bb4b433be3b286fe54963abec1c118db
SHA512ba054b120c20ca2686d77281898ea6f213bd8640365f4a081021a4745cd2f44d8aa337099b1e577645056229cd8262ac0a701638c6bb72ae53fff2c90ccd09bf