ff9ebdbfaf0d57ffd11a8d935e7c98e9572de0ad233c5021170a81dd38f11fec

Analysis

max time kernel
5s
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, 23:20

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General

Target
jaffacakes118_not-a-virus.HEUR.RiskTool.AndroidOS.SMSreg.pf.apk
Size 2.0MB
Sample261012-3bdnbasvgy
SHA256 ff9ebdbfaf0d57ffd11a8d935e7c98e9572de0ad233c5021170a81dd38f11fec
MD5 86b993986533c8f6cd53f17ae56fdf39
SHA1 66da9b20e6862f07ebfceda16b15562487630d66
SHA512 d59dc27d2873e14feeab79bfd811e3eb3cb714a6d53edbc2ff138f0d247f81f9f4097d80f58d7f7193e0ab05401f86aea3803ad709d4cebaf68fdf9cb8cd72cd
SSDEEP 49152:Zcq4yjenQQOUfgl9yLsfaHWvYtB8dDumCOTKCZgp:yZuQ5LsfaHdidShx
TLSH
T1CC95231BFA48D26BC0F7A131A15561CB33350D48935A771A4A38F238BBF7AE59F52B40
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

banker collection defense_evasion discovery evasion impact persistence

Malware Config

Signatures

Checks Android system properties for emulator presence. 1 TTPs 1 IoCs

defense_evasion

System Checks

T1633.001

description	ioc	Process
Accessed system property	key: ro.product.model	com.zkc.grvmja

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.zkc.grvmja/files/lao/GSHRjhwj.jar	4294	/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.zkc.grvmja/files/lao/GSHRjhwj.jar --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.zkc.grvmja/files/lao/oat/x86/GSHRjhwj.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.zkc.grvmja/files/lao/GSHRjhwj.jar	4265	com.zkc.grvmja
/data/user/0/com.zkc.grvmja/files/Plugin2.apk	4324	/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.zkc.grvmja/files/Plugin2.apk --output-vdex-fd=56 --oat-fd=57 --oat-location=/data/user/0/com.zkc.grvmja/files/oat/x86/Plugin2.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.zkc.grvmja/files/Plugin2.apk	4265	com.zkc.grvmja

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 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

description	ioc	Process
Framework service call	android.app.IActivityManager.getRunningAppProcesses	com.zkc.grvmja

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.zkc.grvmja

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.zkc.grvmja

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.zkc.grvmja

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.zkc.grvmja

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.zkc.grvmja

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.zkc.grvmja

Reads information about phone network operator. 1 TTPs
discovery

System Network Configuration Discovery
T1422

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.zkc.grvmja

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.zkc.grvmja

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.zkc.grvmja

com.zkc.grvmja
1⤵
- Checks Android system properties for emulator presence.
- Loads dropped Dex/Jar
- Queries information about running processes on the device
- 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
- Queries the mobile country code (MCC)
- Registers a broadcast receiver at runtime (usually for listening for system events)
- Uses Crypto APIs (Might try to encrypt user data)
- Checks memory information
PID:4265
- /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.zkc.grvmja/files/lao/GSHRjhwj.jar --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.zkc.grvmja/files/lao/oat/x86/GSHRjhwj.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4294
- /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.zkc.grvmja/files/Plugin2.apk --output-vdex-fd=56 --oat-fd=57 --oat-location=/data/user/0/com.zkc.grvmja/files/oat/x86/Plugin2.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4324
- getprop ro.product.cpu.abi
  2⤵
  PID:4444
- getprop ro.product.cpu.abi2
  2⤵
  PID:4465

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

Virtualization/Sandbox Evasion

T1633

System Checks

T1633.001

Credential Access

Discovery

Location Tracking

T1430

Process Discovery

T1424

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

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

740410100062013-journal

Path /data/data/com.zkc.grvmja/databases/740410100062013-journal
Size 512B
SHA256 e8f07c3488310b4ccf59f4cbc7eec2fb86850f0c86a3f802bee2da030686a2b5
MD5 eef6791b82e2de956106a053585a8f21
SHA1 0875ac4e6492bd1663366a2442f2cd0ec09163f0
SHA512 ac71efa610f8f1bcfc7cdf917329dc0d5ade0e9109ce6b92aa8f0895c244f0ca2e0021ae47498073e6a1a513ee7399f7babc6362dabc03ec959923d2e8c50ea9
MD5 SHA1 SHA512

Submit Download

740410100062013-wal

Path /data/data/com.zkc.grvmja/databases/740410100062013-wal
Size 140KB
SHA256 51a174326c1e81f1b5cb9702e16346a5b82ee514836fd9e2fae1435587e5f634
MD5 cc611bb90ea556a952009308b0bc7539
SHA1 45a25d313397328d5fcf5ba880726b00249fe16a
SHA512 f2066facb2a0789c804e376a85254c46905dfcf50c36b379d37609c921f476c62d2c03a951c9481d7a69501b09a79e3ac4a142fcd38b32244901564f0d0e9760
SSDEEP 192:c+9qa8t91hmOeW18OttyPcqz2Uut8KRIT:3Yvt91h1rdUuaz
TLSH
T1FCE351D32A0C3721CA8C8F37C4868241D97C97BD15E2DBC329B1EC359FD6A806829C6D
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

wochi_v4.db

Path /data/data/com.zkc.grvmja/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.zkc.grvmja/databases/wochi_v4.db-journal
Size 512B
SHA256 adc807c2ea3196075758cfc4f1b784b36993e066332318b86b43109a79a11783
MD5 e5cedeef488ad946a838caceaf1ee352
SHA1 e608b0e99e116f465753fdaf988aa959f2857619
SHA512 c539664ddd1941837f19a23be7921917717a46b085927d3a92924f76a471fc823a27238bd2e96ee51928382213e901f3d6d2fec0305e276a40243383bdfccef2
MD5 SHA1 SHA512

Submit Download

wochi_v4.db-shm

Path /data/data/com.zkc.grvmja/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.zkc.grvmja/databases/wochi_v4.db-wal
Size 20KB
SHA256 4b10f4c3af88271882c966cd795866e61c59ee57d71872ba9d497c5bc1aa001c
MD5 a62dd10b6c6dd2f600211c4ca35649cd
SHA1 a1237ebb99d1e0f672aac6e5aad503bb8bdcbd43
SHA512 7f7e9ba5a3d9cf98441ccc9e05e6d6aaa239cc9dd1642bf4b118cbcadcb06dd61697968b936bc4d5f04289f36ab5a020477a0bb07a6a959a405007e489118585
SSDEEP 12:KQ8eUQbTzdTRmBEyPbP/qGqkqq/QVOwCld6qYzqDRmBEyPbV:KQ8e5bTzyGSP/q9sIREBYzDGSV
TLSH
T16C925CE8A7800B47C308037260C8E3852E74AB384397C78B26641AA57E13BCCF4E0F48
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

Plugin2.apk

Path /data/data/com.zkc.grvmja/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

GSHRjhwj.jar

Path /data/data/com.zkc.grvmja/files/lao/GSHRjhwj.jar
Size 967KB
SHA256 97df3b653b1d206c4561c03bf9b529d0d099a633d81b13cbf53071f17639294e
MD5 75c1b1b0150b8ae045f29c519df43ffa
SHA1 78dde8a8051924e86316268c3ee175dcf5d8c491
SHA512 a29e11807ba5b1c163af084751b1162307b471c0df125bd6e53dc54ad8258525d4b1679de9f8b78df0f95b7885549c128c44820fd8a77ca186f57daa64f15cc3
SSDEEP 24576:6Fyd8FOjC7fOGLUBmVDTz/FUib8omdEICdPs27cKEVWA:6Fyd8Fno0TzdUM73h37cH
TLSH
T1FA2533C483BE8A74B2949473E59F89332DB44E2B4DD2475C729FB481DB1C6398D4398B
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

log.dat

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

Submit Download

yl_plugin.apk

Path /data/data/com.zkc.grvmja/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.zkc.grvmja/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.zkc.grvmja/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

GSHRjhwj.jar

Path /data/user/0/com.zkc.grvmja/files/lao/GSHRjhwj.jar
Size 2.8MB
SHA256 465c0084c30d61cc5f44c2c6bb676c45e869bf173b1cce5872007c72cc1e76ee
MD5 7d8dcefbd757f205cf3f1f5874b42e01
SHA1 1d71356f72a09f0fe263ae5b7743c6c95e49e5e5
SHA512 ba9bf0079b65181557ef528f0f257e486f97f796a129896557d4baa378a6e2ff05397f84eb560e7c90e20b74dc65f22edb85746a183e8f68c53054f9b2d00205
SSDEEP 24576:W7tFf97hPyvuB91Q7+xYpM6e5SDoN45OqbneZAczGoWCxYwd:mnHdHYpHAUiAczGoWzw
TLSH
T164D54A02A5025B33C87D5B3290F75BD9A73B62022F43875725149279FCDB6C4AF6E2E8
MD5 SHA1 SHA512 SSDEEP TLSH

Download

GSHRjhwj.jar

Path /data/user/0/com.zkc.grvmja/files/lao/GSHRjhwj.jar
Size 2.8MB
SHA256 78fce814ffc92d5af14bbed7a6b04a9e8f24414a774caf63799b67290292ba22
MD5 37393c85de6083460b609892b246916d
SHA1 055cd01bd0a6baa64f5b0fe1a5530d2f897fa9b9
SHA512 01934bb912ccdaae2a82e9bff9ca4d7777186d343ce549db619d8ba458487ca1c7c12eebe29e769f7220581c6f1d61d2a88ba6e9efe00b9f3b7961f4eb834abd
SSDEEP 24576:W7tFf97hPyvuB91Q7+xYpM6SqnXa10/6IJdebAqrEczGoWCxYwd:mnHdHYpHF44UrEczGoWzw
TLSH
T1BAD58D02A9029E22C8BC873A64FF47D47736B14A6B4343673054E2B8AD877D5DF9E2D4
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Mobile v16

Replay Monitor

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Downloads