Analysis
- max time kernel
72s - max time network
155s - platform
android_x64 - resource
android-x64-20240221-en - resource tags
androidarch:x64arch:x86image:android-x64-20240221-enlocale:en-usos:android-10-x64system - submitted
04/04/2024, 23:02
Static task
static1
3 signatures
Behavioral task
behavioral1
Sample
c41fe911cb688cfeed73ab07960a7a05_JaffaCakes118.apk
Resource
android-x86-arm-20240221-en
8 signatures
150 seconds
Behavioral task
behavioral2
Sample
c41fe911cb688cfeed73ab07960a7a05_JaffaCakes118.apk
Resource
android-x64-20240221-en
8 signatures
150 seconds
Behavioral task
behavioral3
Sample
c41fe911cb688cfeed73ab07960a7a05_JaffaCakes118.apk
Resource
android-x64-arm64-20240221-en
0 signatures
150 seconds
General
- Target c41fe911cb688cfeed73ab07960a7a05_JaffaCakes118.apk
- Size 2.9MB
- Sample240404-2z89fsch2s
- SHA256 90b4ea5b5b05d0651610e4f07ba3809bfa43a4bee2cd96c5880a63e68fe75840
- MD5 c41fe911cb688cfeed73ab07960a7a05
- SHA1 405fa53700ce104ed339ede1daf49f442945a92d
- SHA512 3ebac26fe4c4fddf03b521f80c969f43a07af34d9605263a77948989eac44a571c4a8e50378abeae496490e97bdd2bb2bc0dfb22bc515a4cb501506baa180500
- SSDEEP 49152:fd/2ZPtCQShVxqqw4eR4nki0Zpf28+ec3Ep0O9jloXaxmk:V+Z0Q6LqgeRAki0Zt7Tc3Eb5loXaxmk
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
cerberus
C2
-
http://144.91.79.50
Signatures
- Makes use of the framework's Accessibility service 2 TTPs 2 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
description ioc Process Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId com.firm.violin Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId com.firm.violin -
pid Process 5100 com.firm.violin - Checks CPU information 2 TTPs 1 IoCs
Checks CPU information which indicate if the system is an emulator.
description ioc Process File opened for read /proc/cpuinfo com.firm.violin - Checks memory information 2 TTPs 1 IoCs
Checks memory information which indicate if the system is an emulator.
description ioc Process File opened for read /proc/meminfo com.firm.violin - Loads dropped Dex/Jar 1 TTPs 2 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/com.firm.violin/app_DynamicOptDex/BZ.json 5100 com.firm.violin /data/user/0/com.firm.violin/app_DynamicOptDex/BZ.json 5100 com.firm.violin - Queries the phone number (MSISDN for GSM devices) 1 TTPs
- 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.firm.violin
Processes
Network
MITRE ATT&CK Mobile v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path /data/data/com.firm.violin/app_DynamicOptDex/BZ.json
- Size 124KB
- SHA256 fcc2d6977b3f8d318850af160c636b0f3c1eb25a634b54a7e48fd605d686ec21
- MD5 fd17e60bc6855778a2128564bef469b5
- SHA1 0090151fa044ef3b240ad27e167d022b402847ca
- SHA512 a33b33a9d903332a844c1ff0adb87bb7b5ff39ffb13acccb6bb020f42cfad7642691a6f7b384514ff6c1cfae64ea94e0e4a868d02f49fd2be692b114ab9e4abf
- SSDEEP 1536:ci2Hk4JsOek1dvSxq8XCO3ECWbuNpx8bF6ZM50FuK9ROgqme2gYbQ6Bm/j/zLElZ:ciYkWeqdveXCukiWbFeu4uK9ORxolJUi
- MD5 SHA1 SHA512 SSDEEP
- Path /data/data/com.firm.violin/app_DynamicOptDex/BZ.json
- Size 124KB
- SHA256 af0e6db3300d0ad15ce9ce0b9c63247ca1c27cebccdf1a0070e457a3ca3de978
- MD5 94bed121a6fdac7af88b5d392c3732ce
- SHA1 f5ea2dffb750169dd98f4820989d6c852d7b0aaf
- SHA512 1e0da0a6d9772c8623fe4109ea023d2ef929b11288a3288704c9c27fb1f4012f8cd4a12fd118b46ff3afbac46ad853bd0e2d979db821499de5b882b5299f0f81
- SSDEEP 1536:giv+/8M+LD3BWqasjEiaIfUcHymTYLBDs5FQ/SZsG7hvdxk+bGn0EN4wgmkpZxrp:giF/B/asjvIcH8BA5W6Zhdv7kJnfpMOw
- MD5 SHA1 SHA512 SSDEEP
- Path /data/data/com.firm.violin/app_DynamicOptDex/oat/BZ.json.cur.prof
- Size 154B
- SHA256 813a81ab1748f213a3cac1c0452335128ce21277daf7f3f5ff587bc339286e3d
- MD5 0b7e49c08e41890d49d64560bfb36c2b
- SHA1 9fc1b52ab593006ca94fced11a8debf1e6bd1d64
- SHA512 c10685b6f324e6ef30a414c26eeb7d2f3cfdd6f86a5fc08cbea77f93199066f8d5861740351a05e9d167363665694d45c383c8cdedaaa08f89de1f51acb4f8b0
- MD5 SHA1 SHA512