608fea5151526866ebb91b8a7dbe98ae5d02157462e3ac73bbdcb03235fb4fe4

Analysis

max time kernel
13s
max time network
130s
platform
android_x86
resource
android-x86-arm-20240514-en
resource tags

androidarch:armarch:x86image:android-x86-arm-20240514-enlocale:en-usos:android-9-x86system
submitted
22-05-2024 22:28

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General

Target

68d9c5fd69f0c4c00851a5f4ab2c509f_JaffaCakes118.apk
Size

17.0MB
MD5

68d9c5fd69f0c4c00851a5f4ab2c509f
SHA1

90a5195c0b499fa3083288cd2778c7db2e183bfb
SHA256

608fea5151526866ebb91b8a7dbe98ae5d02157462e3ac73bbdcb03235fb4fe4
SHA512

8539f33fc684d5fbdcb72abe755cb9e95e74d179ee4dea02baf9bc0c36f253c7744aa9fe78bf70ed2157a921e1ef1a54dd60f8ff2aea16ac624b53049f57d4eb
SSDEEP

393216:W0AVAKmSiBurO38NNaS0HjX8+t9GJ9khfjjuTc54eq0B/jd3o:FAVAKPauXHhsXJPMwfj4C4z0B/q

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.dhxd.zhishi

description ioc process

File opened for read /proc/cpuinfo com.dhxd.zhishi
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.dhxd.zhishi

description ioc process

File opened for read /proc/meminfo com.dhxd.zhishi

description	ioc	process
File opened for read	/proc/cpuinfo	com.dhxd.zhishi

description	ioc	process
File opened for read	/proc/meminfo	com.dhxd.zhishi

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.dhxd.zhishi/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.dhxd.zhishi/mix.dex --output-vdex-fd=56 --oat-fd=57 --oat-location=/data/data/com.dhxd.zhishi/oat/x86/mix.odex --compiler-filter=quicken --class-loader-context=&

ioc	pid	process
/data/data/com.dhxd.zhishi/mix.dex	4245	com.dhxd.zhishi
/data/data/com.dhxd.zhishi/mix.dex	4245	com.dhxd.zhishi
/data/data/com.dhxd.zhishi/mix.dex	4314	/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.dhxd.zhishi/mix.dex --output-vdex-fd=56 --oat-fd=57 --oat-location=/data/data/com.dhxd.zhishi/oat/x86/mix.odex --compiler-filter=quicken --class-loader-context=&

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.dhxd.zhishi

description ioc process

Framework service call android.net.wifi.IWifiManager.getConnectionInfo com.dhxd.zhishi
Queries the mobile country code (MCC) 1 TTPs 1 IoCs
discovery

System Network Configuration Discovery
T1422

Processes:

com.dhxd.zhishi

description ioc process

Framework service call com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone com.dhxd.zhishi
Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
persistence

Broadcast Receivers
T1624.001

Processes:

com.dhxd.zhishi

description ioc process

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

System Network Connections Discovery
T1421

Processes:

com.dhxd.zhishi

description ioc process

Framework service call android.net.IConnectivityManager.getActiveNetworkInfo com.dhxd.zhishi
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.dhxd.zhishi

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.dhxd.zhishi

description	ioc	process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.dhxd.zhishi

description	ioc	process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.dhxd.zhishi

description	ioc	process
Framework service call	android.app.IActivityManager.registerReceiver	com.dhxd.zhishi

description	ioc	process
Framework service call	android.net.IConnectivityManager.getActiveNetworkInfo	com.dhxd.zhishi

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.dhxd.zhishi

com.dhxd.zhishi
1⤵
- Checks CPU information
- Checks memory information
- Loads dropped Dex/Jar
- 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:4245
- sh -c getprop ro.yunos.version
  2⤵
  PID:4288
- getprop ro.yunos.version
  2⤵
  PID:4288
- /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.dhxd.zhishi/mix.dex --output-vdex-fd=56 --oat-fd=57 --oat-location=/data/data/com.dhxd.zhishi/oat/x86/mix.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4314

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

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.dhxd.zhishi/databases/bugly_db_legu

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.dhxd.zhishi/databases/bugly_db_legu-journal

Filesize
512B

MD5
8783260b51f558f2e8f1a627bc37b3e9

SHA1
cfd3d6947ca6dd7075eb5f867327079920daa97a

SHA256
5b33c0472d07fcd610773c8b7137d3d072472f5ab482d54eb054ee412bea47a2

SHA512
f68e70222b7369f4ebc41b4c025f99344fe026e7738b558ac3de1022f725d924f3db878d29bb6e1ec34a09e0814050f7a76515d45237a9e5072afcbdf51909c6

Download Submit
/data/data/com.dhxd.zhishi/databases/bugly_db_legu-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.dhxd.zhishi/databases/bugly_db_legu-wal

Filesize
92KB

MD5
04e682e2ec5b37fd7fbd0add2294cb35

SHA1
dd3b3b2e0c67acb9780fbc7c220be413403efb07

SHA256
fa1c3bc59a41557ed63c2e62c4141f078ec0c473c2f767e6cab61a66c1f4c1bf

SHA512
653d6e0ce8ecb588be1a84499d04c25101aa75ec83e33b4fe2e577a9bb12e743b35f0699fa372cd0491b76fe1839993ad2d7e11493abe97157610383292d266b

Download Submit
/data/data/com.dhxd.zhishi/files/cnc3ejE6/eje3cnc

Filesize
335B

MD5
585839d66722cfd02e40cb740cccb633

SHA1
374c19200fee201b26d0153487a281a934615884

SHA256
86a9bb4985cca6c9636c4fd071bef4b70ba7b3a5eb51af869a1299dc2b1574a8

SHA512
09bbe1bf1455861fd4732f2d1945c84bac34090906ac2fab75d144c22ffcf6bc585c8209e94a2b1919c8402df53966081a1af2993e12261ae4c4ac5568667d88

Download Submit
/data/data/com.dhxd.zhishi/mix.dex

Filesize
292B

MD5
63f77f99bd2c2b772a479923bde11974

SHA1
c7632e7d301e4463fafce85f84e9c3d7da3fdbbe

SHA256
4c76a3af64cdd2f8713ffe2733dea50dbe714d0ca41c17d1847ee5b62a7ca615

SHA512
3aae4a89d1ed51fdd911cb367eb10afe3c2264e4222085891b18a60d5412f85d10bf5c8f3c6642db70abb9aa42732bac5c42c42ee32d587100f53c21b5beb16c

Download Submit
/data/data/com.dhxd.zhishi/shared_prefs_ext/test_app

Filesize
29B

MD5
29902646cbeeb9620b92a4a33e6bc9f6

SHA1
2ae06268861897f5bd03ac08446d7e65722f4064

SHA256
758f3a1c9659bf5921c90323bad25207d5c10479388681aebf45af34256a8080

SHA512
d4c7ac82b028c865e1752608993c176f93a88e452be14929a0fe71215d430b9e82d7bd62c0d250f56e9ef6b745c251b169e2c6f4f3c330c666efa27d94786ecc

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

Filesize
32B

MD5
4ff7f5fac1efd62f5d1b491e14550aa8

SHA1
1154fe386145716053f98373f4d222a3be1783ec

SHA256
3456d82b4b8f9b50fd7ecbf36013e5c5e9c6723d7ea36248cc451850276ef42d

SHA512
5c511082ec7cbefba51decd617debe44c6b40b0bbac63636513de2a24e7fe1a3681d51e5287312d4733e5ea531f2e5a538fd7dd93b73ab8f37825ccee895a59c

Download Submit