818f715919dfc5f67fe1e09d775d36e48c2b49af1080d4416baa895397e30421

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	cn.mama.pregnant

Checks known Qemu files. 1 TTPs 1 IoCs

Checks for known Qemu files that exist on Android virtual device images.

System Checks

ioc	Process
/sys/qemu_trace	cn.mama.pregnant

Checks known Qemu pipes. 1 TTPs 1 IoCs

Checks for known pipes used by the Android emulator to communicate with the host.

System Checks

ioc	Process
/dev/qemu_pipe	cn.mama.pregnant

Checks memory information 2 TTPs 1 IoCs

Checks memory information which indicate if the system is an emulator.

evasion discovery

System Checks

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	cn.mama.pregnant

Loads dropped Dex/Jar 1 TTPs 3 IoCs

Runs executable file dropped to the device during analysis.

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/cn.mama.pregnant/app_SGLib/libsgmain_1486399888000.zip	4305	cn.mama.pregnant
/data/user/0/cn.mama.pregnant/app_SGLib/libsgsecuritybody_1486399888000.zip	4455	/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/cn.mama.pregnant/app_SGLib/libsgsecuritybody_1486399888000.zip --output-vdex-fd=95 --oat-fd=96 --oat-location=/data/user/0/cn.mama.pregnant/app_SGLib/oat/x86/libsgsecuritybody_1486399888000.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/cn.mama.pregnant/app_SGLib/libsgsecuritybody_1486399888000.zip	4305	cn.mama.pregnant

Queries information about running processes on the device 1 TTPs 4 IoCs

Application may abuse the framework's APIs to collect information about running processes on the device.

Process Discovery

T1424

description	ioc	Process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	cn.mama.pregnant
Framework service call	android.app.IActivityManager.getRunningAppProcesses	cn.mama.pregnant:push
Framework service call	android.app.IActivityManager.getRunningAppProcesses	cn.mama.pregnant:TcmsService
Framework service call	android.app.IActivityManager.getRunningAppProcesses	cn.mama.pregnant:monitorService

Queries information about the current Wi-Fi connection 1 TTPs 3 IoCs

Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

System Network Connections Discovery

description	ioc	Process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	cn.mama.pregnant
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	cn.mama.pregnant:TcmsService
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	cn.mama.pregnant:monitorService

Queries information about the current nearby Wi-Fi networks 1 TTPs 1 IoCs

Application may abuse the framework's APIs to collect information about the current nearby Wi-Fi networks.

System Network Connections Discovery

description	ioc	Process
Framework service call	android.net.wifi.IWifiManager.getScanResults	cn.mama.pregnant

Queries the mobile country code (MCC) 1 TTPs 1 IoCs

System Network Configuration Discovery

T1422

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	cn.mama.pregnant

Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 4 IoCs

persistence

Broadcast Receivers

T1624.001

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	cn.mama.pregnant
Framework service call	android.app.IActivityManager.registerReceiver	cn.mama.pregnant:push
Framework service call	android.app.IActivityManager.registerReceiver	cn.mama.pregnant:TcmsService
Framework service call	android.app.IActivityManager.registerReceiver	cn.mama.pregnant:monitorService

Checks if the internet connection is available 1 TTPs 4 IoCs

System Network Connections Discovery

description	ioc	Process
Framework service call	android.net.IConnectivityManager.getActiveNetworkInfo	cn.mama.pregnant
Framework service call	android.net.IConnectivityManager.getActiveNetworkInfo	cn.mama.pregnant:push
Framework service call	android.net.IConnectivityManager.getActiveNetworkInfo	cn.mama.pregnant:TcmsService
Framework service call	android.net.IConnectivityManager.getActiveNetworkInfo	cn.mama.pregnant:monitorService

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

Listens for changes in the sensor environment (might be used to detect emulation) 1 TTPs 1 IoCs

User Evasion

T1628.002

description	ioc	Process
Framework API call	android.hardware.SensorManager.registerListener	cn.mama.pregnant

Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 2 IoCs

impact

Data Encrypted for Impact

T1471

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	cn.mama.pregnant
Framework API call	javax.crypto.Cipher.doFinal	cn.mama.pregnant:monitorService

cn.mama.pregnant
1⤵
- Requests cell location
- Checks CPU information
- Checks known Qemu files.
- Checks known Qemu pipes.
- Checks memory information
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- Queries information about the current Wi-Fi connection
- Queries information about the current nearby Wi-Fi networks
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks if the internet connection is available
- Listens for changes in the sensor environment (might be used to detect emulation)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4305
- /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/cn.mama.pregnant/app_SGLib/libsgsecuritybody_1486399888000.zip --output-vdex-fd=95 --oat-fd=96 --oat-location=/data/user/0/cn.mama.pregnant/app_SGLib/oat/x86/libsgsecuritybody_1486399888000.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4455
- getprop ro.product.cpu.abi
  2⤵
  PID:4511

cn.mama.pregnant:push
1⤵
- Queries information about running processes on the device
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks if the internet connection is available
PID:4377

cn.mama.pregnant:TcmsService
1⤵
- Requests cell location
- Queries information about running processes on the device
- Queries information about the current Wi-Fi connection
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks if the internet connection is available
PID:4489

cn.mama.pregnant:monitorService
1⤵
- Queries information about running processes on the device
- Queries information about the current Wi-Fi connection
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Checks if the internet connection is available
- Uses Crypto APIs (Might try to encrypt user data)
PID:4831

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Execution Guardrails

T1627

Geofencing

T1627.001

Hide Artifacts

T1628

User Evasion

T1628.002

Virtualization/Sandbox Evasion

T1633

System Checks

Credential Access

Discovery

Location Tracking

T1430

Process Discovery

T1424

Software Discovery

T1418

Security Software Discovery

T1418.001

System Information Discovery

T1426

System Network Configuration Discovery

T1422

System Network Connections Discovery