148caf84e23f771b457a6b43ead1665ff23b1fac7c070ec59519cbbead7edf75

Analysis

max time kernel
69s
max time network
130s
platform
android_x86
resource
android-x86-arm-20240506-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240506-enlocale:en-usos:android-9-x86system
submitted
09-05-2024 10:38

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General

Target

298f79c5804b27779032f81312c55b19_JaffaCakes118.apk
Size

31.8MB
MD5

298f79c5804b27779032f81312c55b19
SHA1

a51c355d8c986e583ae5f575a1efe2b0fa4a7c8c
SHA256

148caf84e23f771b457a6b43ead1665ff23b1fac7c070ec59519cbbead7edf75
SHA512

11e35476e66cc0afa456e52b614fe4836af2ae07e388f7db9df2bac3c0b71e66ed9217cdf29ff214640b90c844e8fa9067ad3bda15c58255a594c9991935d5e2
SSDEEP

786432:yXdu/I+DNpjUAhqwhEKROlA0KRHs0KRHQWsyfSvV:sWnRhqwhtenKRDKRwU6V

Score

8^/10

banker discovery evasion impact persistence

Malware Config

Signatures

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
banker discovery

Security Software Discovery
T1418.001

Checks CPU information 2 TTPs 1 IoCs

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

evasion discovery

System Checks

T1633.001

System Information Discovery

T1426

Processes:

com.ydyd.small

description	ioc	Process
File opened for read	/proc/cpuinfo	com.ydyd.small

Checks memory information 2 TTPs 2 IoCs

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

evasion discovery

System Checks

T1633.001

System Information Discovery

T1426

Processes:

com.ydyd.smallcom.ydyd.small:pushservice

description	ioc	Process
File opened for read	/proc/meminfo	com.ydyd.small
File opened for read	/proc/meminfo	com.ydyd.small:pushservice

Loads dropped Dex/Jar 1 TTPs 3 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

Processes:

com.ydyd.small/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/data/com.ydyd.small/mix.dex --output-vdex-fd=55 --oat-fd=56 --oat-location=/data/data/com.ydyd.small/oat/x86/mix.odex --compiler-filter=quicken --class-loader-context=&

ioc	pid	Process
/data/data/com.ydyd.small/mix.dex	4227	com.ydyd.small
/data/data/com.ydyd.small/mix.dex	4324	/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/data/com.ydyd.small/mix.dex --output-vdex-fd=55 --oat-fd=56 --oat-location=/data/data/com.ydyd.small/oat/x86/mix.odex --compiler-filter=quicken --class-loader-context=&
/data/data/com.ydyd.small/mix.dex	4227	com.ydyd.small

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

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

discovery

Process Discovery

T1424

Processes:

com.ydyd.small

description	ioc	Process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.ydyd.small

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.ydyd.small

description	ioc	Process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.ydyd.small

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

discovery

System Network Configuration Discovery

T1422

Processes:

com.ydyd.small

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.ydyd.small

Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 3 IoCs

persistence

Broadcast Receivers

T1624.001

Processes:

com.ydyd.smallcom.ydyd.small:pushservicecom.ydyd.small:pushservice

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.ydyd.small
Framework service call	android.app.IActivityManager.registerReceiver	com.ydyd.small:pushservice
Framework service call	android.app.IActivityManager.registerReceiver	com.ydyd.small:pushservice

Checks if the internet connection is available 1 TTPs 1 IoCs

discovery

System Network Connections Discovery

T1421

Processes:

com.ydyd.small

description	ioc	Process
Framework service call	android.net.IConnectivityManager.getActiveNetworkInfo	com.ydyd.small

Queries the unique device ID (IMEI, MEID, IMSI) 1 TTPs
discovery

System Network Configuration Discovery
T1422
Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422
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.ydyd.small

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.ydyd.small

com.ydyd.small
1⤵
- Checks CPU information
- Checks memory information
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- Queries information about the current Wi-Fi connection
- 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
- Uses Crypto APIs (Might try to encrypt user data)
PID:4227
- sh -c getprop ro.yunos.version
  2⤵
  PID:4297
- getprop ro.yunos.version
  2⤵
  PID:4297
- /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/data/com.ydyd.small/mix.dex --output-vdex-fd=55 --oat-fd=56 --oat-location=/data/data/com.ydyd.small/oat/x86/mix.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4324
- /system/bin/sh -c getprop ro.miui.ui.version.name
  2⤵
  PID:4623
- getprop ro.miui.ui.version.name
  2⤵
  PID:4623
- /system/bin/sh -c getprop ro.build.version.emui
  2⤵
  PID:4648
- getprop ro.build.version.emui
  2⤵
  PID:4648
- /system/bin/sh -c getprop ro.lenovo.series
  2⤵
  PID:4673
- getprop ro.lenovo.series
  2⤵
  PID:4673
- /system/bin/sh -c getprop ro.build.nubia.rom.name
  2⤵
  PID:4698
- getprop ro.build.nubia.rom.name
  2⤵
  PID:4698
- /system/bin/sh -c getprop ro.meizu.product.model
  2⤵
  PID:4723
- getprop ro.meizu.product.model
  2⤵
  PID:4723
- /system/bin/sh -c getprop ro.build.version.opporom
  2⤵
  PID:4748
- getprop ro.build.version.opporom
  2⤵
  PID:4748
- /system/bin/sh -c getprop ro.vivo.os.build.display.id
  2⤵
  PID:4778
- getprop ro.vivo.os.build.display.id
  2⤵
  PID:4778
- /system/bin/sh -c getprop ro.aa.romver
  2⤵
  PID:4803
- getprop ro.aa.romver
  2⤵
  PID:4803
- /system/bin/sh -c getprop ro.lewa.version
  2⤵
  PID:4828
- getprop ro.lewa.version
  2⤵
  PID:4828
- /system/bin/sh -c getprop ro.gn.gnromvernumber
  2⤵
  PID:4852
- getprop ro.gn.gnromvernumber
  2⤵
  PID:4852
- /system/bin/sh -c getprop ro.build.tyd.kbstyle_version
  2⤵
  PID:4876
- getprop ro.build.tyd.kbstyle_version
  2⤵
  PID:4876
- /system/bin/sh -c getprop ro.build.fingerprint
  2⤵
  PID:4900
- getprop ro.build.fingerprint
  2⤵
  PID:4900
- /system/bin/sh -c getprop ro.build.rom.id
  2⤵
  PID:4924
- getprop ro.build.rom.id
  2⤵
  PID:4924
- /system/bin/sh -c type su
  2⤵
  PID:4948

com.ydyd.small:pushservice
1⤵
- Checks memory information
- Registers a broadcast receiver at runtime (usually for listening for system events)
PID:4492
- /system/bin/sh -c getprop ro.board.platform
  2⤵
  PID:4553
- getprop ro.board.platform
  2⤵
  PID:4553

com.ydyd.small:pushservice
1⤵
- Registers a broadcast receiver at runtime (usually for listening for system events)
PID:5075

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

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Discovery

Process Discovery

T1424

Software Discovery

T1418

Security Software Discovery

T1418.001

System Information Discovery

T1426

System Network Configuration Discovery

T1422

System Network Connections Discovery

T1421

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Replay Monitor

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Downloads

/data/data/com.ydyd.small/databases/bugly_db_legu

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.ydyd.small/databases/bugly_db_legu-journal

Filesize
201KB

MD5
be47cb85f1948b155b7b772ed9628ce3

SHA1
17888bd5da29e9fc1a77809c93592505b41a8d07

SHA256
080632040d1e2a69f3ad477d23fcf345f17893ea608fe5eb6649cdfa1ad8d073

SHA512
45e4d3caba8a6d4e6afea4351b5ea164e7e8251cf4feb1b55eb76485dbd5b893aa36cadeade7a1b2e71b8d05de97247636a0c70758ebc54801911acdd4078900

Download Submit
/data/data/com.ydyd.small/databases/bugly_db_legu-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.ydyd.small/databases/bugly_db_legu-wal

Filesize
173KB

MD5
ae25da4dfdc083abe67e00e8a38dfd89

SHA1
de2d9b2e76ca34c9f0a27acb705784977c28cd8a

SHA256
c593d85cd5e5f9697e30df71407a00e6933330b0ed6b393c65f22dc8d7002fde

SHA512
72bea22e344fc9de1e33422216b0c88264a9864bb2e0925d56181434079db4d3971961e9e92686cdd410a80c6f03dd98b65e6e8a8519e07bf35800705faf1244

Download Submit
/data/data/com.ydyd.small/files/cnc3ejE6/eje3cnc

Filesize
335B

MD5
585839d66722cfd02e40cb740cccb633

SHA1
374c19200fee201b26d0153487a281a934615884

SHA256
86a9bb4985cca6c9636c4fd071bef4b70ba7b3a5eb51af869a1299dc2b1574a8

SHA512
09bbe1bf1455861fd4732f2d1945c84bac34090906ac2fab75d144c22ffcf6bc585c8209e94a2b1919c8402df53966081a1af2993e12261ae4c4ac5568667d88

Download Submit
/data/data/com.ydyd.small/mix.dex

Filesize
292B

MD5
63f77f99bd2c2b772a479923bde11974

SHA1
c7632e7d301e4463fafce85f84e9c3d7da3fdbbe

SHA256
4c76a3af64cdd2f8713ffe2733dea50dbe714d0ca41c17d1847ee5b62a7ca615

SHA512
3aae4a89d1ed51fdd911cb367eb10afe3c2264e4222085891b18a60d5412f85d10bf5c8f3c6642db70abb9aa42732bac5c42c42ee32d587100f53c21b5beb16c

Download Submit
/data/data/com.ydyd.small/shared_prefs_ext/test_app

Filesize
29B

MD5
9d9d7dbfe25261eb978a7d93e29fe690

SHA1
c0fd975a9b8cb14b5b8d45fe074d8f3a8d284aa9

SHA256
aa1d8ba67a9a453ac56cb0ab378191636bd2ac34143dd39ac50d90fbc60fe821

SHA512
0224f87b7dd16fabc0a036a4b258efacb057b30a4b19563a26a801a029927735db0aca4bdf209e851d7782a55a77b14e1eeb417edd81c8a32ddb0a00cb9739ef

Download Submit
/storage/emulated/0/.imei.txt

Filesize
32B

MD5
cbe2d0be4f582aa303487e4467df23fd

SHA1
97560d5a25af51939f528737ee9051eb277fc6e3

SHA256
cd798a196969fe877509d853c08a54c7243481ca4c04b18e094cff9c1a4e00a8

SHA512
6d2d0a6fdf313a028d8484dd17b297ab85aabe862986e88972ed244d68d2e8902c06a394f19a404b1340d78074252bd89abfa0c0408b662926ece95fcfa66409

Download Submit