d57083cbc78348f1d77f1b2cc33ffee7fad318bb2147deb8198ee1b235ba4d02

General

Target

66ee31fd22538c4e9bc33b7a868a5cd9_JaffaCakes118.apk
Size

30.6MB
MD5

66ee31fd22538c4e9bc33b7a868a5cd9
SHA1

1f65b3c9d595f5aba22bb9b567c26db7d6c52c74
SHA256

d57083cbc78348f1d77f1b2cc33ffee7fad318bb2147deb8198ee1b235ba4d02
SHA512

28dccc077fce1bce6cf7e8bb54e85828021cc630098b6df2c1d7248400031aaa5467289e57dcc9dc9c99d499cb87a6bb291658c2706d2e09f2d3f3072013ba3d
SSDEEP

786432:FWsoZd9jYwiPdUNweA0mKZYhF2g71ntUMv/0j9BsqulLf7:FWs28rGNpn6hjtz0j9BEv

Score

8^/10

discovery evasion impact persistence

Malware Config

Signatures

Checks if the Android device is rooted. 1 TTPs 2 IoCs
evasion

System Information Discovery
T1426

Processes:

com.zyc.tdw/system/bin/sh -c type su

ioc process

/system/app/Superuser.apk com.zyc.tdw
/sbin/su /system/bin/sh -c type su
Checks memory information 2 TTPs 1 IoCs
Checks memory information which indicate if the system is an emulator.
evasion discovery

System Checks
T1633.001

System Information Discovery
T1426

Processes:

com.zyc.tdw

description ioc process

File opened for read /proc/meminfo com.zyc.tdw
Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs
Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.
discovery

System Network Connections Discovery
T1421

Processes:

com.zyc.tdw

description ioc process

Framework service call android.net.wifi.IWifiManager.getConnectionInfo com.zyc.tdw
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
persistence

Broadcast Receivers
T1624.001

Processes:

com.zyc.tdw

description ioc process

Framework service call android.app.IActivityManager.registerReceiver com.zyc.tdw
Checks if the internet connection is available 1 TTPs 1 IoCs
discovery

System Network Connections Discovery
T1421

Processes:

com.zyc.tdw

description ioc process

Framework service call android.net.IConnectivityManager.getActiveNetworkInfo com.zyc.tdw
Checks the presence of a debugger
evasion
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
impact

Data Encrypted for Impact
T1471

Processes:

com.zyc.tdw

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.zyc.tdw

ioc	process
/system/app/Superuser.apk	com.zyc.tdw
/sbin/su	/system/bin/sh -c type su

description	ioc	process
File opened for read	/proc/meminfo	com.zyc.tdw

description	ioc	process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.zyc.tdw

description	ioc	process
Framework service call	android.app.IActivityManager.registerReceiver	com.zyc.tdw

description	ioc	process
Framework service call	android.net.IConnectivityManager.getActiveNetworkInfo	com.zyc.tdw

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.zyc.tdw

com.zyc.tdw
1⤵
- Checks if the Android device is rooted.
- Checks memory information
- 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:4315

/system/bin/sh -c getprop ro.board.platform
2⤵
PID:4360

getprop ro.board.platform
2⤵
PID:4360

/system/bin/sh -c type su
2⤵
- Checks if the Android device is rooted.
PID:4424

logcat -d -v threadtime
2⤵
PID:4499

logcat -d -v threadtime
2⤵
PID:4517

/system/bin/sh -c getprop ro.miui.ui.version.name
2⤵
PID:4539

getprop ro.miui.ui.version.name
2⤵
PID:4539

/system/bin/sh -c getprop ro.build.version.emui
2⤵
PID:4565

getprop ro.build.version.emui
2⤵
PID:4565

/system/bin/sh -c getprop ro.lenovo.series
2⤵
PID:4589

getprop ro.lenovo.series
2⤵
PID:4589

/system/bin/sh -c getprop ro.build.nubia.rom.name
2⤵
PID:4615

getprop ro.build.nubia.rom.name
2⤵
PID:4615

/system/bin/sh -c getprop ro.meizu.product.model
2⤵
PID:4640

getprop ro.meizu.product.model
2⤵
PID:4640

/system/bin/sh -c getprop ro.build.version.opporom
2⤵
PID:4664

getprop ro.build.version.opporom
2⤵
PID:4664

/system/bin/sh -c getprop ro.vivo.os.build.display.id
2⤵
PID:4690

getprop ro.vivo.os.build.display.id
2⤵
PID:4690

/system/bin/sh -c getprop ro.aa.romver
2⤵
PID:4716

getprop ro.aa.romver
2⤵
PID:4716

/system/bin/sh -c getprop ro.lewa.version
2⤵
PID:4740

getprop ro.lewa.version
2⤵
PID:4740

/system/bin/sh -c getprop ro.gn.gnromvernumber
2⤵
PID:4778

getprop ro.gn.gnromvernumber
2⤵
PID:4778

/system/bin/sh -c getprop ro.build.tyd.kbstyle_version
2⤵
PID:4808

getprop ro.build.tyd.kbstyle_version
2⤵
PID:4808

/system/bin/sh -c getprop ro.build.fingerprint
2⤵
PID:4832

getprop ro.build.fingerprint
2⤵
PID:4832

/system/bin/sh -c getprop ro.build.rom.id
2⤵
PID:4856

getprop ro.build.rom.id
2⤵
PID:4856

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Event Triggered Execution

1

T1624

Broadcast Receivers

1

T1624.001

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

1

T1633

System Checks

1

T1633.001

Credential Access

Discovery

System Information Discovery

2

T1426

System Network Connections Discovery

2

T1421

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

1

T1471

Replay Monitor

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Downloads

/data/data/com.zyc.tdw/databases/bugly_db_legu
Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.zyc.tdw/databases/bugly_db_legu-journal
Filesize
512B

MD5
75de0962c7d28c420507ef38adca3446

SHA1
c99ac454d40a1ba369e3b978e5ab886e13bd5209

SHA256
3cf3839cc2aa12b0b885bf3befc2481ee507ae348feb47ad3b5434abc0e53f82

SHA512
c932890d5acad7d686969ae785615e856a42709743977c9bef9cd7cc3bda2c32b25b206e71366dd1a53ea369ebae0717ab949b130df4a0a2a4a409cec96d2397

Download Submit
/data/data/com.zyc.tdw/databases/bugly_db_legu-shm
Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.zyc.tdw/databases/bugly_db_legu-wal
Filesize
245KB

MD5
b758c6ed635447655880e18e97594964

SHA1
afe063b3c26737a383c25ac2f6b6326622859da2

SHA256
74f7b6bb36a0b396529c4d870bd9e65f31c5c480e23ff00a9deb5c711c896db8

SHA512
5975d50b6b2322b5d71489dbc68f061c5761f29b7627096776392097fa417842984afdb5a88c7653cd0706f4558e31bf5ce44e87c05b45d01441fb9304a6226c

Download Submit

Analysis

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