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Analysis
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max time kernel
137s -
max time network
151s -
platform
android-9_x86 -
resource
android-x86-arm-20240910-en -
resource tags
arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system -
submitted
29/01/2025, 22:07
Static task
static1
Behavioral task
behavioral1
Sample
934f401a1ef339172866e9e8f8ea7976edfc5bf02d67325e41ddaba41405b492.apk
Resource
android-x86-arm-20240910-en
Behavioral task
behavioral2
Sample
934f401a1ef339172866e9e8f8ea7976edfc5bf02d67325e41ddaba41405b492.apk
Resource
android-x64-20240910-en
Behavioral task
behavioral3
Sample
934f401a1ef339172866e9e8f8ea7976edfc5bf02d67325e41ddaba41405b492.apk
Resource
android-x64-arm64-20240910-en
General
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Target
934f401a1ef339172866e9e8f8ea7976edfc5bf02d67325e41ddaba41405b492.apk
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Size
3.8MB
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MD5
7acf6b8e7d5a2c5faea0de3fd31586fd
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SHA1
fab98ff8cdb33162ff999665825e8d750bace1b2
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SHA256
934f401a1ef339172866e9e8f8ea7976edfc5bf02d67325e41ddaba41405b492
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SHA512
50f30e0033e4a8bf7b829e9d84f4287b4278ce133dd985e21d28a0153a512437ac8ea631b58a86f60b09da51106a5d5607948eac013072073948b755d947d3b4
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SSDEEP
98304:EvaFjykSnkdwSYHGQ6MwcmBbsKU5kO2DKC1hJ5Bu2X:hjykSkdwlHGQ7wcObZU5kO2h1hJ59X
Malware Config
Extracted
tanglebot
https://t.me/+ZJAj-vCkxkE4N2E0
https://t.me/+jz7SONzTmCI0YmM0
https://t.me/+saoiPgiTyD1iZDBk
Signatures
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TangleBot
TangleBot is an Android SMS malware first seen in September 2021.
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TangleBot payload 1 IoCs
resource yara_rule behavioral1/memory/4323-0.dex family_tanglebot2 -
Tanglebot family
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Loads dropped Dex/Jar 1 TTPs 1 IoCs
Runs executable file dropped to the device during analysis.
ioc pid Process /data/user/0/bcsi.llxp.kkumaps/code_cache/secondary-dexes/base.apk.classes1.zip 4323 bcsi.llxp.kkumaps -
Makes use of the framework's Accessibility service 4 TTPs 1 IoCs
Retrieves information displayed on the phone screen using AccessibilityService.
description ioc Process Framework service call android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId bcsi.llxp.kkumaps -
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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Performs UI accessibility actions on behalf of the user 1 TTPs 1 IoCs
Application may abuse the accessibility service to prevent their removal.
ioc Process android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction bcsi.llxp.kkumaps -
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
description ioc Process Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone bcsi.llxp.kkumaps -
Reads information about phone network operator. 1 TTPs
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Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
description ioc Process Framework service call android.app.IActivityManager.registerReceiver bcsi.llxp.kkumaps -
Checks CPU information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/cpuinfo bcsi.llxp.kkumaps -
Checks memory information 2 TTPs 1 IoCs
description ioc Process File opened for read /proc/meminfo bcsi.llxp.kkumaps
Processes
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bcsi.llxp.kkumaps1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks CPU information
- Checks memory information
PID:4323
Network
MITRE ATT&CK Mobile v15
Defense Evasion
Download New Code at Runtime
1Impair Defenses
1Prevent Application Removal
1Input Injection
1Virtualization/Sandbox Evasion
2System Checks
2Discovery
Software Discovery
1Security Software Discovery
1System Information Discovery
2System Network Configuration Discovery
2Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
455KB
MD5b77a333853efe267314ee723d18135b6
SHA14c9352be0a1bcc59d79379ddca3beeeabfad327e
SHA256eb3b7e43c87b523a90e36d3e3b0d50033f522e4f3587a4f83d476c94a591152d
SHA512933a2714929ae16df400ffa47b082ed16416df4b8da153b693c71daeea2d39887c11b0b21b2e87a795040f75dda8a944a19e253f8223d4edbe548513850a2c8d
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Filesize
949KB
MD5debac9202fddd8f8ab2deb6e0f488c98
SHA13e08f9ac6808caf530474545a598163f6462204c
SHA256e77fb899562f87956feb2a03df8eee16627249f717f945bd0db3e3c43ea07cf5
SHA512aa71e732842f1af62e59896f538c87a8ae3aa38502fb15d8cd6831378c057ee60b37274ecc53afe65eacc03bf4381f682c1008eddfe8776881e0e605cb8fcbfa