hook | 699d589e1470d40cc02a1880dab4a4cac24f681096b200d4871fe3c6807337ce

Analysis

max time kernel
149s
max time network
153s
platform
android-9_x86
resource
android-x86-arm-20240910-en
resource tags

arch:armarch:x86image:android-x86-arm-20240910-enlocale:en-usos:android-9-x86system
submitted
22-10-2024 22:14

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General

Target

699d589e1470d40cc02a1880dab4a4cac24f681096b200d4871fe3c6807337ce.apk
Size

3.8MB
MD5

a8ac839b76d0fbae5c83fedc18a0fc46
SHA1

75ab8369c36851f6bbb15e47581d96d9192e2488
SHA256

699d589e1470d40cc02a1880dab4a4cac24f681096b200d4871fe3c6807337ce
SHA512

0b62f778ad02a92fc9007ef1552432ebdd2510f99eb4852d1e31c69c29877a3fc943f1918b0338fe03df609f91dd9c3569ae21b787d6034c28f62ea618983606
SSDEEP

98304:0V+Spd1dyQhQEsnumInt8oHHgYMbIXbnsVHrFe7:/SpdSQh+/cDiijaw7

Score

10^/10

hook banker collection credential_access discovery evasion execution impact infostealer persistence rat trojan

Malware Config

Extracted

Family

hook

http://negroti5k3fa.info

http://aprilka21jfa.live

http://mishao11jfac.pro

http://vamir99ffkkd.info

http://prebadejf41vv.live

http://hopfvba01fv2.pro

DES_key

AES_key

Signatures

Hook
Hook is an Android malware that is based on Ermac with RAT capabilities.
rat trojan infostealer hook

Loads dropped Dex/Jar 1 TTPs 3 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.fswdooiiy.cmmlmkjde/app_dex/classes.dex	4322	com.fswdooiiy.cmmlmkjde
/data/user/0/com.fswdooiiy.cmmlmkjde/app_dex/classes.dex	4347	/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.fswdooiiy.cmmlmkjde/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fswdooiiy.cmmlmkjde/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.fswdooiiy.cmmlmkjde/app_dex/classes.dex	4322	com.fswdooiiy.cmmlmkjde

Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

Input Injection

T1516

Screen Capture

T1513

Keylogging

T1417.001

GUI Input Capture

T1417.002

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.fswdooiiy.cmmlmkjde
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.fswdooiiy.cmmlmkjde
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.fswdooiiy.cmmlmkjde

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
Queries the phone number (MSISDN for GSM devices) 1 TTPs
discovery

System Network Configuration Discovery
T1422

Acquires the wake lock 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.fswdooiiy.cmmlmkjde

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
11	api.ipify.org
13	api.ipify.org

Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

Application may abuse the framework's foreground service to continue running in the foreground.

evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	com.fswdooiiy.cmmlmkjde

Performs UI accessibility actions on behalf of the user 1 TTPs 5 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.fswdooiiy.cmmlmkjde
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.fswdooiiy.cmmlmkjde
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.fswdooiiy.cmmlmkjde
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.fswdooiiy.cmmlmkjde
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	com.fswdooiiy.cmmlmkjde

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

discovery

System Network Configuration Discovery

T1422

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getNetworkCountryIsoForPhone	com.fswdooiiy.cmmlmkjde

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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

persistence

Broadcast Receivers

T1624.001

description	ioc	Process
Framework service call	android.app.IActivityManager.registerReceiver	com.fswdooiiy.cmmlmkjde

Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

execution persistence

Scheduled Task/Job

T1603

description	ioc	Process
Framework service call	android.app.job.IJobScheduler.schedule	com.fswdooiiy.cmmlmkjde

Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs

impact

Data Encrypted for Impact

T1471

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.fswdooiiy.cmmlmkjde

Checks CPU information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/cpuinfo	com.fswdooiiy.cmmlmkjde

Checks memory information 2 TTPs 1 IoCs

System Checks

T1633.001

System Information Discovery

T1426

description	ioc	Process
File opened for read	/proc/meminfo	com.fswdooiiy.cmmlmkjde

com.fswdooiiy.cmmlmkjde
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Acquires the wake lock
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Schedules tasks to execute at a specified time
- Uses Crypto APIs (Might try to encrypt user data)
- Checks CPU information
- Checks memory information
PID:4322
- /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.fswdooiiy.cmmlmkjde/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fswdooiiy.cmmlmkjde/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4347

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Scheduled Task/Job

T1603

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Foreground Persistence

T1541

Scheduled Task/Job

T1603

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Foreground Persistence

T1541

Impair Defenses

T1629

Prevent Application Removal

T1629.001

Input Injection

T1516

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Discovery

Software Discovery

T1418

Security Software Discovery

T1418.001

System Information Discovery

T1426

System Network Configuration Discovery

T1422

Lateral Movement

Collection

Input Capture

T1417

GUI Input Capture

T1417.002

Keylogging

T1417.001

Screen Capture

T1513

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

Input Injection

T1516

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Downloads

/data/data/com.fswdooiiy.cmmlmkjde/app_dex/classes.dex

Filesize
2.1MB

MD5
bfec9b0c3f2bba39d0084e56786f7578

SHA1
1caa527bab6520858df835250f0793285828ef06

SHA256
c3937c8231f0fc95c1650753d9d4bbda0cdb117bbd5ed76d70b029d06efa7542

SHA512
156e9c71a4540a722cefd65bcef0aa4a94071addad650e6dfca5cca8147eba79d59178263f7f3a9f27865fd53b7949b04a8c7ac7a556d53478753a942f642aec

Download Submit
/data/data/com.fswdooiiy.cmmlmkjde/cache/classes.dex

Filesize
1001KB

MD5
f09b81a97759ae30633f34306a74e70b

SHA1
41750c4a083633234414b618df68f4dd9812993f

SHA256
01cbb7e5194b3e759cd4e12905f53e02d9f069cae83225877fa008d4ad9a42bf

SHA512
676b5be3a34ff76c538ee9427aa1ad77520fb90956b61e6f07f6b753aaa583bfdae1afe942b5569e07ed37ff2ba33f0c368fae3a7d38926a97e15a4af8cb1df4

Download Submit
/data/data/com.fswdooiiy.cmmlmkjde/cache/classes.zip

Filesize
1001KB

MD5
ab4ff79224a3356923bdf52a28b9366c

SHA1
72992ef16e44f4949c685e5ca6bd645d152d6da0

SHA256
38c4affa1998922818f3500b772c5a6f9c1b0966745ab90da036507a32fd8399

SHA512
1ebc21bd8f814e720700dc16ba4a9070a6506bf1fd74d854da8006d465611e4034bb3a1b38204fcea34fd8c1151505f6af09cc0a54fca91c274a6e54cfabd605

Download Submit
/data/data/com.fswdooiiy.cmmlmkjde/no_backup/androidx.work.workdb

Filesize
4KB

MD5
f2b4b0190b9f384ca885f0c8c9b14700

SHA1
934ff2646757b5b6e7f20f6a0aa76c7f995d9361

SHA256
0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

SHA512
ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

Download Submit
/data/data/com.fswdooiiy.cmmlmkjde/no_backup/androidx.work.workdb-journal

Filesize
512B

MD5
d5eeb8110047697f5afc42056dcad9d9

SHA1
64ddda8178879ffef05275391a639281b518290b

SHA256
13a773957d48955054aaff8afce85fafd035bedd1f4abb597f0e941e5cca3f7c

SHA512
65da00eb45416b4e4678f33bc3e2c2e032bf548fe83f2e746ab81cf8698e8c679303de6b6762b6d3f711bd518a6b2a054a6c5d9d9e23537a328a787fff4c14f5

Download Submit
/data/data/com.fswdooiiy.cmmlmkjde/no_backup/androidx.work.workdb-shm

Filesize
32KB

MD5
bb7df04e1b0a2570657527a7e108ae23

SHA1
5188431849b4613152fd7bdba6a3ff0a4fd6424b

SHA256
c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

SHA512
768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

Download Submit
/data/data/com.fswdooiiy.cmmlmkjde/no_backup/androidx.work.workdb-wal

Filesize
108KB

MD5
bc8fac3ca60b5fdd448c6ffeb6c3d77e

SHA1
b9296ae5b494b25b7b387deb407aa079171a7c3f

SHA256
ad8569cbb88b1a572987f79b87c204c3fed6c98d8aea446569fcd05d9de8c9c1

SHA512
3075cffc5a9b23222ceccf7fe707a91569a6c5607c6486cef0b1ddb083eab34ea1204f58eac0d16a40a4ca13b50cd965f9598568f94061a888624f597a6d0269

Download Submit
/data/data/com.fswdooiiy.cmmlmkjde/no_backup/androidx.work.workdb-wal

Filesize
173KB

MD5
18ebb985c57f3ff6cb1eb36157c2e5d8

SHA1
273b7f25f6916191cbc1e9dcc3c6a96dee3dd68f

SHA256
fbcbab75ab21de8848cf828020126c9baea8324dab86e87ccc988a42489e2cfb

SHA512
ba210b5cb9890170ce4cc2a17961a2e180bb1a52a5f065be60c7ad16d618013c30c490b537261be8d3db50241783a2d263a37acfeb282c8a454050b14357cbce

Download Submit
/data/data/com.fswdooiiy.cmmlmkjde/no_backup/androidx.work.workdb-wal

Filesize
16KB

MD5
d8b80bf387808a2e42509f1d18e24e32

SHA1
b01864bb071b73867df2eb4238d69fb861d67670

SHA256
201e89fc1585a439f5f96f4fd3278d01e2718632e7a7be5cb89e692e5e19fc22

SHA512
bb94beca122f0b9ac7ee27eca6b89471bff5faef814447e3ad5ea78adfd20c2ec975364faab8145fdcf7feda85546f23b93da62e8a4cb45a8f8a4abf3cb86b4d

Download Submit
/data/user/0/com.fswdooiiy.cmmlmkjde/app_dex/classes.dex

Filesize
2.1MB

MD5
5a243cef26d8f2c7be5d1e959abde591

SHA1
e612591f90b7481801f4cdd049e163bec076ffa0

SHA256
5b829129a4054e59de2b5314956c799d3c6393941231155670db8d1be5512841

SHA512
5233421a61706a545ce0d70a702d7c869aacb1ea0eda15a895ae102c160fa9233fa9319242ed2d0f7e28a7f1dbc3cb9464671a29fe1f808102c3fee88c02739a

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

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Downloads