b4e0c196eef10380b3bbbcc1387c9ec541c1fb759a3cdc0039ba198b9fddd046

Analysis

max time kernel
33s
max time network
151s
platform
android-9_x86
resource
android-x86-arm-20260325-en
resource tags

arch:armarch:x86image:android-x86-arm-20260325-enlocale:en-usos:android-9-x86system
submitted
12/10/2026, 23:24

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General

Target
jaffacakes118_not-a-virus.HEUR.RiskTool.AndroidOS.SMSreg.pf.apk
Size 2.0MB
Sample261012-3d1kvsfb64
SHA256 b4e0c196eef10380b3bbbcc1387c9ec541c1fb759a3cdc0039ba198b9fddd046
MD5 9732ec27ae76528583d5f25810269c14
SHA1 00262d8006d8eb1c6826f4c7459cc4333cec5f92
SHA512 acabb016e2b199187474a18b17124b203121937fcb7f1dd484335e48c1579b2c0b9c5475564dde6afb6f0df7b3b10b1e208684ff2a059af2812e080396333869
SSDEEP 49152:4yDum47dDkAWx+kQrJVMLCcQI5QPY0ulxIFATZPZ:vSHpD6+BYLfQFYTnmAb
TLSH
T15B952357FE48A677C0B38131B65A61C663364D58836A630F0E28F2383BF76D59F56B80
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

banker collection defense_evasion discovery evasion impact persistence

Malware Config

Signatures

Loads dropped Dex/Jar 1 TTPs 4 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/com.mrj.jkgeem/files/ya/oWDhFPiw.jar	4352	/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.mrj.jkgeem/files/ya/oWDhFPiw.jar --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.mrj.jkgeem/files/ya/oat/x86/oWDhFPiw.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.mrj.jkgeem/files/ya/oWDhFPiw.jar	4326	com.mrj.jkgeem
/data/user/0/com.mrj.jkgeem/files/Plugin2.apk	4419	/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.mrj.jkgeem/files/Plugin2.apk --output-vdex-fd=58 --oat-fd=59 --oat-location=/data/user/0/com.mrj.jkgeem/files/oat/x86/Plugin2.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.mrj.jkgeem/files/Plugin2.apk	4326	com.mrj.jkgeem

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

Reads the content of SMS inbox messages. 1 TTPs 1 IoCs

collection

SMS Messages

T1636.004

description	ioc	Process
URI accessed for read	content://sms/inbox	com.mrj.jkgeem

Reads the content of the SMS messages. 1 TTPs 1 IoCs

collection

SMS Messages

T1636.004

description	ioc	Process
URI accessed for read	content://sms/	com.mrj.jkgeem

Requests cell location 2 TTPs 1 IoCs

Uses Android APIs to to get current cell location.

collection discovery defense_evasion

Location Tracking

T1430

Geofencing

T1627.001

description	ioc	Process
Framework service call	com.android.internal.telephony.ITelephony.getCellLocation	com.mrj.jkgeem

Queries information about active data network 1 TTPs 1 IoCs

discovery

System Network Connections Discovery

T1421

description	ioc	Process
Framework service call	android.net.IConnectivityManager.getActiveNetworkInfo	com.mrj.jkgeem

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

description	ioc	Process
Framework service call	android.net.wifi.IWifiManager.getConnectionInfo	com.mrj.jkgeem

Requests dangerous framework permissions 17 IoCs

description	ioc
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
Allows an application to write to external storage.	android.permission.WRITE_EXTERNAL_STORAGE
Allows an application to read from external storage.	android.permission.READ_EXTERNAL_STORAGE
Allows an application to read SMS messages.	android.permission.READ_SMS
Allows an application to receive SMS messages.	android.permission.RECEIVE_SMS
Allows an application to send SMS messages.	android.permission.SEND_SMS
Allows an app to access approximate location.	android.permission.ACCESS_COARSE_LOCATION
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
Allows an application to initiate a phone call without going through the Dialer user interface for the user to confirm the call.	android.permission.CALL_PHONE
Required to be able to access the camera device.	android.permission.CAMERA
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
Allows an application to write to external storage.	android.permission.WRITE_EXTERNAL_STORAGE
Allows an application to read from external storage.	android.permission.READ_EXTERNAL_STORAGE
Allows an application to read SMS messages.	android.permission.READ_SMS
Allows an application to send SMS messages.	android.permission.SEND_SMS
Allows an application to receive SMS messages.	android.permission.RECEIVE_SMS
Allows an app to access approximate location.	android.permission.ACCESS_COARSE_LOCATION

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.mrj.jkgeem

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.mrj.jkgeem

com.mrj.jkgeem
1⤵
- Loads dropped Dex/Jar
- Reads the content of SMS inbox messages.
- Reads the content of the SMS messages.
- Requests cell location
- Queries information about active data network
- Queries information about the current Wi-Fi connection
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
PID:4326
- /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.mrj.jkgeem/files/ya/oWDhFPiw.jar --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.mrj.jkgeem/files/ya/oat/x86/oWDhFPiw.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4352
- /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.mrj.jkgeem/files/Plugin2.apk --output-vdex-fd=58 --oat-fd=59 --oat-location=/data/user/0/com.mrj.jkgeem/files/oat/x86/Plugin2.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4419
- getprop ro.product.cpu.abi
  2⤵
  PID:4467
- getprop ro.product.cpu.abi2
  2⤵
  PID:4487

Network

MITRE ATT&CK Mobile v16

Initial Access

Execution

Persistence

Event Triggered Execution

T1624

Broadcast Receivers

T1624.001

Privilege Escalation

Defense Evasion

Download New Code at Runtime

T1407

Execution Guardrails

T1627

Geofencing

T1627.001

Credential Access

Discovery

Location Tracking

T1430

Software Discovery

T1418

Security Software Discovery

T1418.001

System Network Connections Discovery

T1421

Lateral Movement

Collection

Location Tracking

T1430

Protected User Data

T1636

SMS Messages

T1636.004

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

T1471

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Downloads

wochi_v4.db

Path /data/data/com.mrj.jkgeem/databases/wochi_v4.db
Size 4KB
SHA256 0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514
MD5 f2b4b0190b9f384ca885f0c8c9b14700
SHA1 934ff2646757b5b6e7f20f6a0aa76c7f995d9361
SHA512 ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1
TLSH
T1CD810441534000F1D05407F354D1130C1F47D1D5D5410F03351100C5DC415C40C70FC5
MD5 SHA1 SHA512 TLSH

Submit Download

wochi_v4.db-journal

Path /data/data/com.mrj.jkgeem/databases/wochi_v4.db-journal
Size 512B
SHA256 8a14cb4f89d54a061ba805491d1737d7095abbb7daae6862e6785923cdb6c883
MD5 ee3dc7971fad8a6be55bbf74426d5932
SHA1 65149edcba604a3296add89f92399c731bade15a
SHA512 59a0992a6f46637a167afe9df94e2aa40ba61370cc8a7e1f60ecccb4a1cc40fd73a4a4457f107eccae63ee8d381ad6e2e1293a55bc423deb3b2d72907744e4ab
MD5 SHA1 SHA512

Submit Download

wochi_v4.db-shm

Path /data/data/com.mrj.jkgeem/databases/wochi_v4.db-shm
Size 28KB
SHA256 18619b678a5c207a971a0aa931604f48162e307c57ecdec450d5f095fe9f32c7
MD5 cf845a781c107ec1346e849c9dd1b7e8
SHA1 b44ccc7f7d519352422e59ee8b0bdbac881768a7
SHA512 4802861ea06dc7fb85229a3c8f04e707a084f1ba516510c6f269821b33c8ee4ebf495258fe5bee4850668a5aac1a45f0edf51580da13b7ee160a29d067c67612
SSDEEP 3::
MD5 SHA1 SHA512 SSDEEP

Submit Download

wochi_v4.db-wal

Path /data/data/com.mrj.jkgeem/databases/wochi_v4.db-wal
Size 20KB
SHA256 d4b4de4bd48c72090fe09471d7ff1d828fc00604a55578929e6a3a2c919a2b6d
MD5 2fb2688e7c78faee27ae83aea7d82886
SHA1 bcd0a1c6d18c9efcf0e709a45a75b0b0f587c0cf
SHA512 b958b063188ca3caed7f8738ca5a06f5f54669a7abba34ca14f2b3a376637665e4223824d8f868294be2e103689777789c910edce0fef45a626436e6f50a1a4b
SSDEEP 12:KD3nrnzdTRmBEyPbP/lAIgygdJ4OwCld1mv0XzqDRmBEyPbV:KXnzyGSP/ObJCEYvyzDGSV
TLSH
T13E922796A3806913C5057B739CC9E3435DA0961943B2CB47E67B0474BC067CCA890D08
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Plugin2.apk

Path /data/data/com.mrj.jkgeem/files/Plugin2.apk
Size 99KB
SHA256 de7bf40574754a5144fa5cf3bc5e97f7adc7f5abebb18c41e8f0631917db4c0c
MD5 3d216f8fddb9705a6720a285475837f1
SHA1 f053d23b284bfe2faf6e76d353ff052471e2de2c
SHA512 38be39da8f96abc87109cfd57b2d63ddfa72971f023024a5b4ce1f97cd905a96a94e19eea19ae9b745f28d02c6689a4473627ce57ec85dce2018a77e699620cb
SSDEEP 3072:O/hr91fY/9tdWXLqQRClwYJ4sAAq4/IZn8NxQNRmDJS:2B9NMDGLqofsAAbNI8g
TLSH
T130A302021B29DD42D537903648558B26B23AB62BEDF6F32A1E63D36D3083DC8CB33549
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

log.dat

Path /data/data/com.mrj.jkgeem/files/log.dat
Size 221B
SHA256 77fc3599be409f7e73e643de843c0ebcfa20662964c498fc59e245c7f5e003a2
MD5 ff9229f8e7c92d44d48e25206d43b021
SHA1 be3d75050c16c5b7484652ba292fdd6510f205d3
SHA512 be7b3aa8d670a2873c6b7bfd4ca93121fd2450723cbbc36d9d06d152fafa3ce90451f0a60ab56bc96bccb81cf5aae0167b404073db14dc17b9513ac73d455c58
TLSH
T152D0976200094CC1A048B30CA835C6E9F060285304090098B21B06086A223F0B2AE909
MD5 SHA1 SHA512 TLSH

Submit Download

oWDhFPiw.jar

Path /data/data/com.mrj.jkgeem/files/ya/oWDhFPiw.jar
Size 963KB
SHA256 4183a4299ce604b29b54170f884467157503b3ce75a67a4c96054639bd46379b
MD5 8bdd63a7c52eb7b91f15ec59058afc3a
SHA1 441940fc18c64d7063113ab68e06cb9f2a479e3f
SHA512 f6e604e50961a54311511efafffbb2cf39127fde3f3be8ca53407f0bc214722546112953a0f07e46ba819ec0070a5e93c044104af005258e584c3bc6b258f7e2
SSDEEP 24576:dwkw/091qkFfMhGnoY5XGLFXpxf3GY/6Qm0AmRw:dbgO7fMhjYJGLFXppGY/6QmLYw
TLSH
T1942533C424DBD6915461939A4E009CF6823091D19E6B4B8E53AEF787F7F867182E02FF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

yl_plugin.apk

Path /data/data/com.mrj.jkgeem/files/yl_plugin.apk
Size 58KB
SHA256 05eb3e1ca331b8c6a1f60f92abb2bddbac54a7b2c229ac07bf26c756297fe72a
MD5 5a4c666b43ee7f2b6995aaf3527e4a4d
SHA1 b205bcb022797f3b16635db139c7524c0c388adc
SHA512 c84fceddbf9928110fc3b85e0989b9cedd06383007ff99dea5a25096d8f892ab52d30ed9b52b72211449041f1274ead85bb42929ec269b58b6b0e616a8545e17
SSDEEP 1536:D0L/5wazYVM3W7ymXFSRJcL7KIBOWNMunou3faONts:D0z5vcKG7BXsRJcL7gW+ul3a
TLSH
T1984302F14FECB302C166B5391F95E6AFBE9ACD4496B4719B4106A0A8F4D885C42EF02C
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Plugin2.apk

Path /data/user/0/com.mrj.jkgeem/files/Plugin2.apk
Size 201KB
SHA256 1d83642ede6b16a071676e895f547d056543b5b4622bbc9b9b4ab45e47bf9ba0
MD5 ef019d14367b7346b1ae2419e9d445c8
SHA1 23d81fcf81f3a9f2a991ba4d0d135fe2a28aa188
SHA512 ea582f21c6054c37c679c798e93116c9c18c9544c0feb78fb949bed7b2cd3122c8d7bb8ecef329829c2531764abeb6200f0af49ede97c3b0b7448bdb65a34a60
SSDEEP 3072:1kVF+ursMg5xMFLchcmdbaNiikyqW+q7JDcN6W:1kVVrsMg5x6AhndcfxaV
TLSH
T1D9143C4BA555F877ED6BAB3284E34F40BB32E2952B13674B2048C1B6FCC77858E4D984
MD5 SHA1 SHA512 SSDEEP TLSH

Download

Plugin2.apk

Path /data/user/0/com.mrj.jkgeem/files/Plugin2.apk
Size 201KB
SHA256 2c61a25f1ad5783bf82eea9faa2536cac4788ed3147bc1864d9ef17ea01be6a7
MD5 2a425e0fae74f20a2c475da937a619a2
SHA1 4d701c7e6d828aa96ba8a493720e7282c49ec741
SHA512 44c8d2a837b606de99055badbd4b5e708424ca9809b1583d13aefadc4d4af974658dc3a3f179fc3047eef7167151c638ff66dd6c8d38121b6ecdfb464d2a5a60
SSDEEP 3072:1kVF+urNfpK7fagHwanMuBwQS/EdaHgqW+q7JDcN6W:1kVVrNfQ7fHwiBgm3xaV
TLSH
T1CC144A52D9C9B8E6FCBBA23A54E347017F31E659772B57471448C1B2BDC23838E8E984
MD5 SHA1 SHA512 SSDEEP TLSH

Download

oWDhFPiw.jar

Path /data/user/0/com.mrj.jkgeem/files/ya/oWDhFPiw.jar
Size 2.3MB
SHA256 a05797b6e7a2c201884d764388b4489fa218a17ef936b326772d5f3f6d1dea3d
MD5 d516a58cc9fab125ab019487e2cf09ec
SHA1 28e003e2782645d97935e0b4d8a9a2f7159c80c9
SHA512 9eda54adabe292bfce258de72bcf58e90684b36dc827cb183f9a78d36c907108c1e8da7f5616b0f8f5148ad89070bcabfe0cebf82d2b23ea3a2a220056273610
SSDEEP 24576:R/DwUymgGe5FGAcut/oaRhjlz7Wk/zz+Xt:tN4MAcubzjlz7WkU
TLSH
T17AB56B17A5120A33C56C5B3380B74BC56737A2012F53CB572508A6B9FDC76CADBAF298
MD5 SHA1 SHA512 SSDEEP TLSH

Download

oWDhFPiw.jar

Path /data/user/0/com.mrj.jkgeem/files/ya/oWDhFPiw.jar
Size 2.3MB
SHA256 cb6512559e3c4f03a3f06ef61182c000809abb258f84b7735776591f7310c482
MD5 7c4c662ed59822f6f1b0a5dcb9749374
SHA1 968d9176e4c671aedf7383ebdec9044dc6614187
SHA512 91272a3459965d1a8c0516e4fd6a7fe4453fcf98e976c74c957cff4d34be5ca7c20c60750b5d0538493f2039034bae5488fc2b68caf0ca067c71971622bcb2e6
SSDEEP 24576:R/DwUymgGe5FGOzmkbxKx15J8Qdjlz7Wk/zz+Xt:tN4MOCqxe5Jndjlz7WkU
TLSH
T135B58D1799528D33C5BC533A60FB4780777267046B538B972109E6B8DE432EBDBDE288
MD5 SHA1 SHA512 SSDEEP TLSH

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Mobile v16

Replay Monitor

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Downloads