e4db9da1ce50018da322df7ed6b2bba251f45ef8e7faa9f96280e7cf1f4bfd8a

Analysis

max time kernel
179s
max time network
183s
platform
android_x64
resource
android-x64-arm64-20240514-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20240514-enlocale:en-usos:android-11-x64system
submitted
22-05-2024 05:27

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General

Target

stasdk_core.apk
Size

1.0MB
MD5

b1a590ed02c586df1e69c62749410853
SHA1

82528aeb58a3fd4fb242b3c4a9af855f42525e4f
SHA256

a174df995ead589eeb861d2396cc6ffa53c72ce66cc195beb28a5c9c13386591
SHA512

d4b11468f523b9cc688714ddb1be84a06e955b39cc0c3ff3071b8ed98428b6f0ddf909c1ea4bbf15015e6f06086d67b8a9be6dd68f4fe0b11c56c4f5a66f4532
SSDEEP

24576:VzNdQk4lV207V3DiIEJ5gA136syCblVuxMffl9U:ZjVGM07JDxEJ5v1qsyCbUUli

Score

7^/10

discovery evasion impact

Malware Config

Signatures

Loads dropped Dex/Jar 1 TTPs 1 IoCs
Runs executable file dropped to the device during analysis.
evasion

Download New Code at Runtime
T1407

Processes:

com.dbgj.stacore

ioc pid process

/data/user/0/com.dbgj.stacore/app_e_qq_com_plugin/gdt_plugin.jar 4475 com.dbgj.stacore
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.dbgj.stacore

description ioc process

Framework service call android.app.IActivityManager.getRunningAppProcesses com.dbgj.stacore
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.dbgj.stacore

description ioc process

Framework service call android.net.wifi.IWifiManager.getConnectionInfo com.dbgj.stacore
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.
discovery

System Network Connections Discovery
T1421

Processes:

com.dbgj.stacore

description ioc process

Framework service call android.net.wifi.IWifiManager.getScanResults com.dbgj.stacore
Checks if the internet connection is available 1 TTPs 1 IoCs
discovery

System Network Connections Discovery
T1421

Processes:

com.dbgj.stacore

description ioc process

Framework service call android.net.IConnectivityManager.getActiveNetworkInfo com.dbgj.stacore
Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
impact

Data Encrypted for Impact
T1471

Processes:

com.dbgj.stacore

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.dbgj.stacore

ioc	pid	process
/data/user/0/com.dbgj.stacore/app_e_qq_com_plugin/gdt_plugin.jar	4475	com.dbgj.stacore

description	ioc	process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.dbgj.stacore

description	ioc	process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.dbgj.stacore

description	ioc	process
Framework service call	android.net.wifi.IWifiManager.getScanResults	com.dbgj.stacore

description	ioc	process
Framework service call	android.net.IConnectivityManager.getActiveNetworkInfo	com.dbgj.stacore

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	com.dbgj.stacore

com.dbgj.stacore
1⤵
- 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
- Checks if the internet connection is available
- Uses Crypto APIs (Might try to encrypt user data)
PID:4475

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Credential Access

Discovery

Process Discovery

T1424

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/user/0/com.dbgj.stacore/app_e_qq_com_plugin/gdt_plugin.jar
Filesize
142KB

MD5
f0b930680aa93a62bb77d1916e64a3d7

SHA1
fc30b5641b8d32e4efeaf409d07a4d520a95a6da

SHA256
8f109682334d43d811c7d56620c5eb30c9bc1a89f3f36b91232aeb142a6f6ba7

SHA512
2a503f3aefd5ed8634dbc85cd952d10625e4bc18badc0661c7cfcc3345cfb43ba1e153d9fb264703e4cf0d6c40ac601942e841b9537125072f884c283adb5b99

Download Submit
/data/user/0/com.dbgj.stacore/app_e_qq_com_plugin/gdt_plugin.jar
Filesize
336KB

MD5
798f10a662a4848ed33d16790c751355

SHA1
4198fc8cb89d53e338c2bf12122cb4f53183513c

SHA256
6f52b12d38067a97b22917660e919d36232b409c1505dee37233cf7bdcc12eea

SHA512
70beba592750c2d9ebda28b13378a82b2ff7d0e39d0caff0529d8e3ae7c23eb3b243ecd82bc132b1c12b354e8b171e589bdd846b169e955607e11a87c362957a

Download Submit
/data/user/0/com.dbgj.stacore/app_e_qq_com_plugin/gdt_plugin.jar.sig
Filesize
180B

MD5
b23a77c1c0b865c67e4fd0ca80eb41d1

SHA1
e290e2dde37e0e2f6b1274f0a69ac4ed0d26af37

SHA256
142c0b3bab77907907546d3f17089585f1086f7d9711bef8cca9175ea659e26f

SHA512
b93447f22e7bc98a663e3c9f7a8a76cc1c462ca6288deca746256154d61ac58cd54cac199e3462a33ccfce1c43f3ff6a93b15dbf7e1fd0421632044b29213707

Download Submit
/data/user/0/com.dbgj.stacore/app_e_qq_com_plugin/update_lc
Filesize
4B

MD5
dce7c4174ce9323904a934a486c41288

SHA1
e117797422d35ce52f036963c7e9603e9955b5c7

SHA256
0c030586945fe504b604ecc2e875c38ede400cd5cd73da9730302162e6b02c6f

SHA512
d570ab6a8f4a7b54d426b0481219074b5277ace37d88438d87ab97eb387938eca1cf7b09fa42d596c56ada860710d2a7385d2a96e1cedff58ad6ed8900f1b143

Download Submit
/data/user/0/com.dbgj.stacore/app_e_qq_com_plugin/update_lc
Filesize
1B

MD5
0bcef9c45bd8a48eda1b26eb0c61c869

SHA1
4345cb1fa27885a8fbfe7c0c830a592cc76a552b

SHA256
bbf3f11cb5b43e700273a78d12de55e4a7eab741ed2abf13787a4d2dc832b8ec

SHA512
91972aa34055bca20ddb643b9f817a547e5d4ad49b7ff16a7f828a8d72c4cb4a5679cff4da00f9fb6b2833de7eb3480b3b4a7c7c7b85a39028de55acaf2d8812

Download Submit
/data/user/0/com.dbgj.stacore/databases/GDTSDK.db
Filesize
24KB

MD5
d9546e7529040098de5b03ef296970a1

SHA1
7781f0f230dc2bd574bbea97194d0033431d350e

SHA256
585184ebd52cf769be667e0b871dd9324197f21e37152fbd5fe1cefa5f523ccf

SHA512
acf1935480b8b99c231fff1b1de32b7456094853cdf0d7819c57302100d608ae884bc2d44ad3ef3ff8c2cbf2d4d66ec8d77827e6c9605ebda1f31cfc522b542a

Download Submit
/data/user/0/com.dbgj.stacore/databases/GDTSDK.db-journal
Filesize
512B

MD5
906903c0b132d5af9cc78e04bb92ca77

SHA1
e08a62d18908de7555e61e95ad8f0bbaa0d811c0

SHA256
3f6f5c30111e61c86c2ded9319cce3bf916a0ad5f5149066ba054ea90ff21d18

SHA512
5e0bf493bbad69e82511a94e43a84b5b95babb1fc369c18f3b2dc8ab1fb0764209c2aaec7565b0ac4af824578b1868a782897142c25fe807e78376a2cb8b888f

Download Submit
/data/user/0/com.dbgj.stacore/databases/GDTSDK.db-journal
Filesize
8KB

MD5
7b25a87ebf80196824ddc61046fa9c96

SHA1
e97152ec85013bd08c166a9e2fcde55c854ec12f

SHA256
7fa28e3895fc7eedbad8c3f43a3c854b6da8ce687225472aa7d01f3aa9888e64

SHA512
c075104b9a75cfd6f8fcabb543d565af68ee473087c07c20c24c32e610769ef942246bd0480b4cbca773f0fb68bc257f61fef33e55a3eefb9e09421e1661d526

Download Submit
/data/user/0/com.dbgj.stacore/databases/GDTSDK.db-journal
Filesize
8KB

MD5
b76459c7b0d9788cd63ac7fabba15bc7

SHA1
54b8693eed4a607d374303b9a64dc9cc076de458

SHA256
6b18b0eb4109f6aaaa53af8349d8620bbe130fae7c6c6188c94bf1d285cd86a7

SHA512
c038a4806e71772f951c40095b09aa603a74f048a7e9421a83262ebab99d090eca43b66f195d67d4d0ac45fb84d8e5b40cffd5e25b19871cdd51e407da284c38

Download Submit
/storage/emulated/0/data/.systemid
Filesize
36B

MD5
adbd52d593343b65c1a5816d81f49a65

SHA1
a7696a50abb842ba1862352717ba052ff5ca7b5a

SHA256
438a297f4242f6a94bb7a07cc49a80c03e4cbb0d1e5a50e4d9d09ade1a376b0f

SHA512
9b8002f9daaa95ffe025f02cbc647346958a6d4069c4a7efc2fb678a09335e24b45c8f0901d05d8b6ad35c4c6d50c05723e9ed0b827e6257593d5a54964a4f2d

Download Submit
/storage/emulated/0/data/.systemmac
Filesize
17B

MD5
0f607264fc6318a92b9e13c65db7cd3c

SHA1
c1976429369bfe063ed8b3409db7c7e7d87196d9

SHA256
c248c629af1fe0a8c46b95668064c1d2952a9e91d207bc0cc3c5d584c2f7553a

SHA512
9dbd40b135b46c7be31b8c7d11c75b0b179af3a6550fca52ec447583aeb50aaaedb4b1e9373cf8826615149549a2efaee04efdc9a282e3a6b387c73099c13fb1

Download Submit