ermac | a1ea4dbd8a36c410fd528f81f197421c6a8b9b240dd274a87be66f199ad5cb74

Analysis

max time kernel
1977729s
max time network
161s
platform
android_x64
resource
android-x64-arm64-20220823-en
resource tags

androidarch:armarch:arm64arch:x64arch:x86image:android-x64-arm64-20220823-enlocale:en-usos:android-11-x64system
submitted
12/04/2023, 14:29

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General

Target

a1ea4dbd8a36c410fd528f81f197421c6a8b9b240dd274a87be66f199ad5cb74.apk
Size

2.5MB
MD5

80eedb8d0b108ca485b80c70fc9c2d31
SHA1

7e549c9b8e02cfa696485ef43fa16d196f70bebc
SHA256

a1ea4dbd8a36c410fd528f81f197421c6a8b9b240dd274a87be66f199ad5cb74
SHA512

04e93ba7d30a609cf5c4de8598fceba3e09c4e323ff2e35ae05aefaf0b2008710c7829bd4ff9ebf44d62f76d3a6a5f06346acc24d5a0c46f3c5c5a91181cf49c
SSDEEP

49152:+Y4Hzl+bwEPg8240tzCW3sX77MXQw4CmE4i85W3//t:+JHzl+bn0tzCW3y77ZN7i852t

Score

10^/10

ermac hook banker evasion infostealer ransomware rat trojan

Malware Config

Extracted

Family

ermac

http://91.215.85.23:3434

AES_key

Extracted

Family

hook

http://91.215.85.23:3434

AES_key

Signatures

Ermac
An Android banking trojan first seen in July 2021.
banker trojan infostealer ermac

Ermac2 payload 1 IoCs

resource	yara_rule
behavioral3/memory/4430-0.dex	family_ermac2

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

Makes use of the framework's Accessibility service. 3 IoCs

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.waciniyehiruna.razo
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.waciniyehiruna.razo
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.waciniyehiruna.razo

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps). 1 IoCs

banker

description	ioc	Process
Framework service call	android.content.pm.IPackageManager.getInstalledApplications	com.waciniyehiruna.razo

Acquires the wake lock. 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.waciniyehiruna.razo

Loads dropped Dex/Jar 1 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/com.waciniyehiruna.razo/app_DynamicOptDex/qZs.json	4430	com.waciniyehiruna.razo

Reads information about phone network operator.

Removes a system notification. 1 IoCs

evasion

description	ioc	Process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.waciniyehiruna.razo

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

ransomware

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.waciniyehiruna.razo

com.waciniyehiruna.razo
1⤵
- Makes use of the framework's Accessibility service.
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
PID:4430

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.waciniyehiruna.razo/app_DynamicOptDex/qZs.json

Filesize
676KB

MD5
ddb935b4cb89568b1126dbc47a099efd

SHA1
3f40ba69bd11380de6e56dab5a9cd5c53b150f0f

SHA256
c4aea8f064d87cefbeb7898bd9f895bea5b82b756757c824191a11112b88af27

SHA512
c674a76a21349cec07e2fba2cf91f884d8cca42d31eb3d750c8cffd2fcfacc95905e94676946f801d95d1cef4485b9fe5ed1bd5c34fcde3f73da935ac3a87527

Download Submit
/data/user/0/com.waciniyehiruna.razo/app_DynamicOptDex/qZs.json

Filesize
1.5MB

MD5
b94fd56ee56fe358ac6b2f7e581aacf8

SHA1
4dab3e1bda0d164214245422cb05d5283e9b0566

SHA256
64fbcfa549de412ebde7364d6984df08bf5223787d5ed49e099a55e38621b314

SHA512
a5fe5223c6fa61fcfcba16ac7aaf530c982b9658a0a62176f1aa6902b1f17c2e564292446fea4e8f903c06676dc37351aa6339b436a990395e4f9ffd27bb6332

Download Submit
/data/user/0/com.waciniyehiruna.razo/app_webview/Default/GPUCache/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.waciniyehiruna.razo/app_webview/Default/GPUCache/index-dir/temp-index

Filesize
96B

MD5
f2276fd81c1e48745e79c2b02b8e73a8

SHA1
73df5600beef208e16c2bf11bbb058fc9b381407

SHA256
7315b5584b4659d855e2f3681d9bccf8027fef3cafa49efc4fd112b8429f283a

SHA512
89b25e3abe14c016d18bc406fded933894135d4cf3772a07aee77b1e4262b50d8d927a8916831eaac7678ee0e813c8fd54c63a0d4a6f4767f15af63baa4e6e15

Download Submit
/data/user/0/com.waciniyehiruna.razo/app_webview/Default/Session Storage/000001.dbtmp

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

Download Submit
/data/user/0/com.waciniyehiruna.razo/app_webview/Default/Session Storage/000003.log

Filesize
61B

MD5
9f7eadc15e13d0608b4e4d590499ae2e

SHA1
afb27f5c20b117031328e12dd3111a7681ff8db5

SHA256
5c3a5b578ab9fe853ead7040bc161929ea4f6902073ba2b8bb84487622b98923

SHA512
88455784c705f565c70fa0a549c54e2492976e14643e9dd0a8e58c560d003914313df483f096bd33ec718aeec7667b8de063a73627aa3436ba6e7e562e565b3f

Download Submit
/data/user/0/com.waciniyehiruna.razo/app_webview/Default/Session Storage/LOG

Filesize
135B

MD5
ad2a16dc343eb6fcd65bc1818fa3c5f6

SHA1
d13aaa4c632a31f0295eb87506a0a8de37866eda

SHA256
30ff336e2a6c58d1d10a23c6109c5114c5201a5fa93ace5d0612dd0ed1ee5bcf

SHA512
14a231c426ed0cc82184a98b5aed1fbf2b11badbac4abe332d7ce70ac59310a0c19a473fbe439a2e3c12059eb15e4102193caed824bf69bdae20e7030fee7499

Download Submit
/data/user/0/com.waciniyehiruna.razo/app_webview/Default/Session Storage/MANIFEST-000001

Filesize
41B

MD5
5af87dfd673ba2115e2fcf5cfdb727ab

SHA1
d5b5bbf396dc291274584ef71f444f420b6056f1

SHA256
f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

SHA512
de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

Download Submit
/data/user/0/com.waciniyehiruna.razo/app_webview/Default/Web Data

Filesize
120KB

MD5
a48cd9324b1f8754b07f00d863b840f3

SHA1
11c6614775b35a58f440971dfc87c8aaac6d6173

SHA256
8859a216183793485d4699bf69d7ed96904679834188d07b9a70424d47eb1420

SHA512
35fa712f0af4a5eeed7e00e4e59ed5027dc6609d268462fe79d92043be9ae0c5961ce9e1d2f64b1a196c9b6aa6242b8b83817b3ee4c1058596c58a99c45478b1

Download Submit
/data/user/0/com.waciniyehiruna.razo/app_webview/Default/Web Data-journal

Filesize
2KB

MD5
5942ab17e66214b231f7e0a5f26308bb

SHA1
d8c1ff9dd85677363dba5747fc264c829a22ccb3

SHA256
7cf35ef8e3f4b61d15d2db56d73a302d62a63bd9ca9564f9fec7bae48b007abc

SHA512
338ba71bcfa63f33b4904da6175297f9b2bb6fc95d9ecb600b5959f3442813fb0099980cf20872b712d3067bfd7dab3e9a21f1a14381aa076301a66d059ba970

Download Submit
/data/user/0/com.waciniyehiruna.razo/app_webview/webview_data.lock

Filesize
29B

MD5
b27c4e81601f3b3a8fcdaf4dc38a908c

SHA1
1be4415b097cb070fca415356e96694cd9a7744b

SHA256
d7b00e9779aec3ad55d5050e374d72948fff060b28c4268fa76b06d8e8489d86

SHA512
e3d056710d30807af0b9cb12d09d1e32ac8115af01f01f45c282c218a8cbd25519960556b8511655e9fe4805104e5b70013fe0f6403cb25282c00594ffe0b3d1

Download Submit
/data/user/0/com.waciniyehiruna.razo/cache/WebView/Crashpad/settings.dat

Filesize
40B

MD5
bc21d68add8ca7a96893afbea0dee01f

SHA1
2e84e6372e6d00513af90d9ca1eab9173a1b5172

SHA256
2081273f6946cd85e1da7b11a9baa4cc63e4085efcdde51efb3455bcbeeb44ba

SHA512
59ff30302abb08dda6d90c6cd684ecaef320e3ec0ac24d488308f018697ec361fe8d31cd19096605eeb8f010905b2ec31f17dcc7a711208a910923b81042fc6e

Download Submit
/data/user/0/com.waciniyehiruna.razo/cache/WebView/Default/HTTP Cache/Code Cache/js/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.waciniyehiruna.razo/cache/WebView/Default/HTTP Cache/Code Cache/js/index-dir/temp-index

Filesize
96B

MD5
ac5cc01acb2c10f6714b25a1f132ea77

SHA1
3eed94cac099c7e027d7d9c074568573a53ff5cb

SHA256
8cd537342b81c7d0994746e9d5f91410bf520f872a7d6e41215b8cb79883eb77

SHA512
adcea2051a380b54b29d4eb8f0534f2a12f901b825d13682add296eefc0c6fa466b6cfda0f3d073a1534550137e540de89d3519a803a88ebec087c3e4378498b

Download Submit
/data/user/0/com.waciniyehiruna.razo/cache/WebView/Default/HTTP Cache/Code Cache/wasm/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.waciniyehiruna.razo/cache/WebView/Default/HTTP Cache/Code Cache/wasm/index-dir/temp-index

Filesize
96B

MD5
1a4626334c8dcf2e1b1809edf45d2578

SHA1
22fdccbcad37860fdf6f3e66fec70668c1f16702

SHA256
0ac8e486a5320a9f56bd95a3a5cd1de35ac4245b5b0a6d3611523a8ee7eac062

SHA512
c437ab613f19930725a6d887bf2e8d039151ae1087aeec5faf69795f3d4208510f917274c97857edd5ccac04333860ee8c005e73b9ed2c7fa5fd0d7af5415543

Download Submit
/data/user/0/com.waciniyehiruna.razo/cache/WebView/font_unique_name_table.pb

Filesize
57KB

MD5
f080fa2a56ab5479d58063e5ea871447

SHA1
4b3fd57a98916fa5784305b76ba30af26b5253d9

SHA256
0aa374bc456330fd1b5daf18d25b4bb8e2df1998dfa85466f2c31843ff56e815

SHA512
8aee3186a95b389d39882620b7c4199a29aa50580aa98a381b2931a934de6406943c89d4d00ebeabff21e2b03b4a4adcc01e37e32a2335c4838be24bdbf61936

Download Submit
/data/user/0/com.waciniyehiruna.razo/no_backup/androidx.work.workdb

Filesize
8KB

MD5
e579a6b00eef1318f9166352228eba18

SHA1
76988896854f0139083e77862eea1a4846cf039f

SHA256
4b34cf505050facf47aa7936e4e7667e1969105665c632b3eefe7ecddf9a6935

SHA512
c47632e957d87727bf6504a82ca7a44d8da24d30cd997a0f449a96e4f97c656a1b4d9da3fcd827e2a48c59677688da0b872358ebd0f9369d898d1b8ec18d5699

Download Submit
/data/user/0/com.waciniyehiruna.razo/no_backup/androidx.work.workdb-journal

Filesize
1KB

MD5
3cf8c6a56f9e036775dcad24ec48a175

SHA1
a9a455055ee430bc3c0e9a4d551b421fdbe2ad9b

SHA256
262a50c82d33bf14e87be1620ecaefb25672668784925c6f913a4eeca10910a9

SHA512
cef4f4beccabce053c21d28c24eb769cf3286e195cb5b81534f0062c3505e5a3b3360611f2f6d7ed695713e2eabf042e4d08eaf2e1bd420cb4b6216336345241

Download Submit
/data/user/0/com.waciniyehiruna.razo/no_backup/androidx.work.workdb-shm

Filesize
16B

MD5
4ae71336e44bf9bf79d2752e234818a5

SHA1
e129f27c5103bc5cc44bcdf0a15e160d445066ff

SHA256
374708fff7719dd5979ec875d56cd2286f6d3cf7ec317a3b25632aab28ec37bb

SHA512
0b6cbac838dfe7f47ea1bd0df00ec282fdf45510c92161072ccfb84035390c4da743d9c3b954eaa1b0f86fc9861b23cc6c8667ab232c11c686432ebb5c8c3f27

Download Submit
/data/user/0/com.waciniyehiruna.razo/no_backup/androidx.work.workdb-wal

Filesize
346KB

MD5
00bef0717b29daa0f5850842dc48c3de

SHA1
e72bb84a120488471cca1e536b4da743aafe1659

SHA256
c919e7b73c07c1b3970e0f61d21a4a8095e2c5f243ebf922f28ab8669708e4ff

SHA512
c6380cf1b40722f74c40aa90197162f04866d64885c2c853b0d1764caebad6a972ee99474f701209ca4bb3ed389e3149a31220447615cfa40790f8198a16b00a

Download Submit
/data/user/0/com.waciniyehiruna.razo/shared_prefs/WebViewChromiumPrefs.xml

Filesize
127B

MD5
97ccd9a2b2063143df56b6937f961ca4

SHA1
5e78a91ae5df289ce83443cb7d5589dd3504fb5d

SHA256
248ff7928128015b1cfe3e6517c8f9b8c9511bfb8c8baf44fc1370640eac61fd

SHA512
86c05a5bb3d7eedea390664796966e9e5a5bf846c85808da54407788a76b3ee25b91428242a1e76d8765bfe51e1ba3636617fbab6e7dbb39fcc433e07c3fcd3b

Download Submit
/data/user/0/com.waciniyehiruna.razo/shared_prefs/settings.xml

Filesize
136B

MD5
65725641cce557eafbb5ef060ee1dafe

SHA1
fabbaf0f442aeeb6bf3aede22ebc271fb0e7b50b

SHA256
db802a8c14576f939a8e0b10f0e645e87c70c7b0d6ace6bccc857e7d50cbe760

SHA512
35edb38cd43502987de12bbaf6a99f95fc14fee6acc73edd43252125b096c05b07638a68c4b4120c39806c82c2dc2b251143a9ac156905945ee8ecdae393dd7e

Download Submit

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads