Malware Analysis Report

2024-09-09 17:42

Sample ID 240614-afdvnaxamg
Target a73fc71559231d3250a4cfbbc8404879_JaffaCakes118
SHA256 a0d3f353e6cf1abfdfbb6ec9c743ecb5a333830878274ce77bf0668006966cf1
Tags
discovery evasion impact persistence
score
7/10

Table of Contents

Analysis Overview

MITRE ATT&CK Matrix

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
7/10

SHA256

a0d3f353e6cf1abfdfbb6ec9c743ecb5a333830878274ce77bf0668006966cf1

Threat Level: Shows suspicious behavior

The file a73fc71559231d3250a4cfbbc8404879_JaffaCakes118 was found to be: Shows suspicious behavior.

Malicious Activity Summary

discovery evasion impact persistence

Loads dropped Dex/Jar

Queries information about running processes on the device

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

Queries information about active data network

Queries information about the current Wi-Fi connection

Requests dangerous framework permissions

Registers a broadcast receiver at runtime (usually for listening for system events)

Uses Crypto APIs (Might try to encrypt user data)

Checks CPU information

MITRE ATT&CK Matrix

N/A

Analysis: static1

Detonation Overview

Reported

2024-06-14 00:08

Signatures

Requests dangerous framework permissions

Description Indicator Process Target
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows an app to access precise location. android.permission.ACCESS_FINE_LOCATION N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A
Allows an application to read or write the system settings. android.permission.WRITE_SETTINGS N/A N/A
Allows an application to write to external storage. android.permission.WRITE_EXTERNAL_STORAGE N/A N/A
Allows read only access to phone state, including the current cellular network information, the status of any ongoing calls, and a list of any PhoneAccounts registered on the device. android.permission.READ_PHONE_STATE N/A N/A
Allows an app to create windows using the type LayoutParams.TYPE_APPLICATION_OVERLAY, shown on top of all other apps. android.permission.SYSTEM_ALERT_WINDOW N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-06-14 00:08

Reported

2024-06-14 00:12

Platform

android-x86-arm-20240611.1-en

Max time kernel

179s

Max time network

159s

Command Line

com.adeskring.music

Signatures

Loads dropped Dex/Jar

evasion
Description Indicator Process Target
N/A /data/user/0/com.adeskring.music/app_qzn/classes.jar N/A N/A
N/A /data/user/0/com.adeskring.music/app_qzn/classes.jar N/A N/A
N/A /data/user/0/com.adeskring.music/app_qzn/classes.jar N/A N/A

Queries information about running processes on the device

discovery
Description Indicator Process Target
Framework service call android.app.IActivityManager.getRunningAppProcesses N/A N/A

Domain associated with commercial stalkerware software, includes indicators from echap.eu.org

Description Indicator Process Target
N/A alog.umeng.com N/A N/A

Queries information about active data network

discovery
Description Indicator Process Target
Framework service call android.net.IConnectivityManager.getActiveNetworkInfo N/A N/A

Queries information about the current Wi-Fi connection

discovery
Description Indicator Process Target
Framework service call android.net.wifi.IWifiManager.getConnectionInfo N/A N/A

Registers a broadcast receiver at runtime (usually for listening for system events)

persistence
Description Indicator Process Target
Framework service call android.app.IActivityManager.registerReceiver N/A N/A

Uses Crypto APIs (Might try to encrypt user data)

impact
Description Indicator Process Target
Framework API call javax.crypto.Cipher.doFinal N/A N/A

Checks CPU information

Description Indicator Process Target
File opened for read /proc/cpuinfo N/A N/A

Processes

com.adeskring.music

/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/com.adeskring.music/app_qzn/classes.jar --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.adeskring.music/app_qzn/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&

Network

Country Destination Domain Proto
N/A 224.0.0.251:5353 udp
US 1.1.1.1:53 oc.umeng.com udp
CN 59.82.23.79:80 oc.umeng.com tcp
CN 59.82.23.79:80 oc.umeng.com tcp
US 1.1.1.1:53 service.52ring.adesk.com udp
US 1.1.1.1:53 feedback.umeng.com udp
CN 47.93.91.229:80 service.52ring.adesk.com tcp
US 1.1.1.1:53 alog.umeng.com udp
CN 223.109.148.177:80 alog.umeng.com tcp
US 1.1.1.1:53 analytic.androidesk.com udp
CN 47.93.91.229:80 analytic.androidesk.com tcp
US 1.1.1.1:53 ms.ie2o.com udp
US 1.1.1.1:53 ms1.ie2o.com udp
US 1.1.1.1:53 ms2.ie2o.com udp
US 1.1.1.1:53 oc.umeng.co udp
GB 216.58.204.78:443 tcp
US 1.1.1.1:53 android.apis.google.com udp
GB 216.58.212.206:443 android.apis.google.com tcp
CN 223.109.148.141:80 alog.umeng.com tcp
CN 223.109.148.178:80 alog.umeng.com tcp
CN 223.109.148.176:80 alog.umeng.com tcp
CN 223.109.148.179:80 alog.umeng.com tcp
CN 223.109.148.130:80 alog.umeng.com tcp
US 1.1.1.1:53 alog.umeng.co udp

Files

/data/data/com.adeskring.music/app_qzn/classes.jar

MD5 e00216c55d3ad107df8229aa1c503d3c
SHA1 9214285f38be233ae64748acb0e7dc71f5a17b5f
SHA256 7f3c75c75fb2a5e2357b70ea435f186289ca710582e2356a6b3ae58962cd4e17
SHA512 62e8c09f423585d6801b019adb84f8d25e7d827b01802fee222647afb4ad7ea835e20013d67e12f89d12ec856cd63221077308af66ee7d0c8012c0383bea38d2

/data/user/0/com.adeskring.music/app_qzn/classes.jar

MD5 3bc76749438e0d16cbb1534249f043f7
SHA1 f8792c1fdf7de0291b6f45861350e4359cd40b65
SHA256 f2a4f45a4ad20d2dea423c82bf5202d242620ce24d9a443dfd615df6668258f1
SHA512 2693907cfb8f711897ccbb265279b70bf0625eaa9fefc896e03fac964a93f5cf7014274e7023d51ef4c72e770f1326f3d8d8c1954537fc93ce0bfb54f6198e96

/data/user/0/com.adeskring.music/app_qzn/classes.jar

MD5 eb7488268bb1aed418f246e0129c68e6
SHA1 961ed5baaf5062ca6f326b7fe869085f5031897c
SHA256 bcbb9af6914ac534d5025e0ecb1f8540949e9b29ce42490d88982d0a9681f02c
SHA512 55ee61bbb02b19f9b6c14e27b3c1a4ece1bbd5f88301905abe0ee013ece3357c2596f87005f2092ffc52946e87fc9be18386fdc3bfcc119fc3ddbf334f1a6e72

/storage/emulated/0/adesk-rings/.cache/journal.tmp

MD5 8c92de9ce46d41a22f3b20f77404cc1d
SHA1 8671a6dca00edb72be47363a7071be65cf270373
SHA256 68bb33ddeed9200be85a71f70b377985f9ee68e91578afbde8321463396f1274
SHA512 30f45fe9954215d6adafcc8f0a060a7ff41963a64f9b849a37f0d18fe045038d429ec13bf15226769c4ba78dad3c52f3d9e0dbbb4fcdea4828a1efe956e48f56

/data/data/com.adeskring.music/databases/dbkhq-journal

MD5 f1e9e79de55bbf4cab83bfd04039abc6
SHA1 cef3b4e4b161edc997f462e346405418bd180809
SHA256 ea15b86a4ac37615cccf3730fc84e2ff1769a5920b751afbcdffc5c64cb3ab3f
SHA512 fb568ce3d773db8e0d078a86fa368e64d6ea6a5096932b3228584eab83ceab832350961441813596696a577e365c5be14c2049fe7f120f38e6d652051493eef9

/data/data/com.adeskring.music/databases/dbkhq

MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

/data/data/com.adeskring.music/databases/dbkhq-shm

MD5 bb7df04e1b0a2570657527a7e108ae23
SHA1 5188431849b4613152fd7bdba6a3ff0a4fd6424b
SHA256 c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479
SHA512 768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

/data/data/com.adeskring.music/databases/dbkhq-wal

MD5 e15c8bfd9cfedeb5d5027931c1f9ee82
SHA1 cb18c64079183cea9aa4298c25e3b9494f07d33f
SHA256 6ea346ae1013439a5d768c15406a3b46aecdf1d843dcd59705e42fe596a2f543
SHA512 92d7c181e8b76dcd7c0e6ccd96c1bd5adb6d1b07d2a1994d0c8f70899de4811fb6a0be6019047026bf2170296e1ae6f1378045f9f11da55423b267ebe47ce7e3

/data/data/com.adeskring.music/app_qzn/oat/classes.jar.cur.prof

MD5 d0bc196a4daf1c62d4242d0cc8d443bf
SHA1 0453af42680aef2cdb8805ad42e10eb5083d3fc1
SHA256 ffb1607c85b60548ddea3413bdef8b063c0ae77f635c3ab5789f49a83a1a3ef8
SHA512 9135c0cc92f5983eb7573e40e6e08dae9f021bc3153202a7b76a368f8138e7bbd6e722e7578fa556dfe0c0ea257a5c3521e532e249866624abda41a081f0f5f5

/data/data/com.adeskring.music/files/mobclick_agent_cached_com.adeskring.music

MD5 95dcb9104de77665f9c52217957f948d
SHA1 4c07d41bb21a2c374ebb1bcc4bb9286a9abdd824
SHA256 2d21bf949cfc5ae01c163be952327f5ac79078b18b5e022b7a096847ccb6c2a0
SHA512 0ee789b3c741e8b96521e3d1514f88baa44cf5bcc0023254a89c40d1c75e4bdb78dc8ee21af486533328f70fcf5582ff2e6f5c2cfc0def6cef61d3100de9541c