ermac | 495a0621b2afc6adefbf17dc6c3cf5e92ba8227ac6939a20439b1b9dde878617

Analysis

max time kernel
2095710s
max time network
326s
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
02-06-2023 16:00

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General

Target

495a0621b2afc6adefbf17dc6c3cf5e92ba8227ac6939a20439b1b9dde878617.apk
Size

3.7MB
MD5

a88a497b3ae6bb84209cac0906df61a7
SHA1

fd80903a98e187bc841a0aabe04528cc1654b8ee
SHA256

495a0621b2afc6adefbf17dc6c3cf5e92ba8227ac6939a20439b1b9dde878617
SHA512

684e5ea64375791c2195dd1459d868e6ed2d40ab376b5477e0964c43a4eccc57aab66ce08a55eddb51d1edc6503cf12c9c7ab7f27eb815105ec4ec31ecff5d7a
SSDEEP

49152:4GXx4KE5XqsZKV0dw8zbn3A9/HKu84zXYenCh4ebzds31j/D0NcxZBD5I:cz5XqsZDnwxnXYenUP/dsOyxrD+

Score

10^/10

ermac banker evasion infostealer ransomware trojan

Malware Config

Extracted

Family

ermac

Blowfish_key

AES_key

Signatures

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

Ermac payload 1 IoCs

resource	yara_rule
behavioral1/memory/4640-0.dex	family_ermac

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

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.tafupqzpqgmn.tmnhkq
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.tafupqzpqgmn.tmnhkq
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.tafupqzpqgmn.tmnhkq

Acquires the wake lock. 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.tafupqzpqgmn.tmnhkq

Loads dropped Dex/Jar 1 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/com.tafupqzpqgmn.tmnhkq/qosbiyjhaq/faadweurhczgroa/base.apk.clbwfis1.ixi	4640	com.tafupqzpqgmn.tmnhkq

Reads information about phone network operator.

Removes a system notification. 1 IoCs

evasion

description	ioc	Process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.tafupqzpqgmn.tmnhkq

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

ransomware

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.tafupqzpqgmn.tmnhkq

com.tafupqzpqgmn.tmnhkq
1⤵
- Makes use of the framework's Accessibility service.
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
PID:4640

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.tafupqzpqgmn.tmnhkq/app_webview/Default/GPUCache/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/app_webview/Default/GPUCache/index-dir/temp-index

Filesize
96B

MD5
ded68681bdd901c977c6e811186b901b

SHA1
79d9bc8296228623c2bd4d6af0ae85ef1816025f

SHA256
dc4b56681d9850f169918bbf505839434c8c4b55a242ccaa036bf12a396b669f

SHA512
9940e73570656a32304395e10faead795cec0f900059d4e9e9cf7cdc8b56f5e5fe5311d7bfa583a323c06b2ec34cb9712d4053d7a3567c3d20ab6468149e41bf

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/app_webview/Default/Session Storage/000001.dbtmp

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/app_webview/Default/Session Storage/000003.log

Filesize
80B

MD5
69449520fd9c139c534e2970342c6bd8

SHA1
230fe369a09def748f8cc23ad70fd19ed8d1b885

SHA256
3f2e9648dfdb2ddb8e9d607e8802fef05afa447e17733dd3fd6d933e7ca49277

SHA512
ea34c39aea13b281a6067de20ad0cda84135e70c97db3cdd59e25e6536b19f7781e5fc0ca4a11c3618d43fc3bd3fbc120dd5c1c47821a248b8ad351f9f4e6367

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/app_webview/Default/Session Storage/LOG

Filesize
135B

MD5
4afc08ef38ce28d4e57d7de0b2f0eebc

SHA1
9a73bd2bcadcfdb98d4f7a824239a467a78cac1c

SHA256
d9950195a7c3ea8c260750f970c061867c647a1d4cdb987b17c25e27b71e3918

SHA512
16c35e8571aafdcd814b4f9cc9bd770fde0b98e6300924475e5def3bef316e08c90f92384c5bcc816c672eee5803a512b756899f391452098fd999ae7c3fd2db

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/app_webview/Default/Session Storage/MANIFEST-000001

Filesize
41B

MD5
5af87dfd673ba2115e2fcf5cfdb727ab

SHA1
d5b5bbf396dc291274584ef71f444f420b6056f1

SHA256
f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

SHA512
de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/app_webview/Default/Web Data

Filesize
120KB

MD5
a48cd9324b1f8754b07f00d863b840f3

SHA1
11c6614775b35a58f440971dfc87c8aaac6d6173

SHA256
8859a216183793485d4699bf69d7ed96904679834188d07b9a70424d47eb1420

SHA512
35fa712f0af4a5eeed7e00e4e59ed5027dc6609d268462fe79d92043be9ae0c5961ce9e1d2f64b1a196c9b6aa6242b8b83817b3ee4c1058596c58a99c45478b1

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/app_webview/Default/Web Data-journal

Filesize
2KB

MD5
975b15e15ada03eeedd58aa7360b9969

SHA1
d946d3a56e5eb33863e7c1a342c00b9410b4adc7

SHA256
c72a4e117f7aaf3803ceaae34ea28bc72992ee3f14f726e8f5235f35af888ce2

SHA512
c947382b4d10c50f1b889d19b5145a6a660ecce51febafef23297eb892ef4f2f0f471b2c3d1627fe14fed790a1722090dbd543682865876c0cf6af6d912ef74a

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/app_webview/webview_data.lock

Filesize
29B

MD5
619cec798f3b2e06ab976e6ea065a45f

SHA1
2b492505f41037d8a7a8cb6e4373ff1198e9bb87

SHA256
5531a9d3acf10b0be3782b9ef93dc81f7cdfba437adee598d30f9be4b510a148

SHA512
427dacb047ad6e6600e20111f4ba3076e6a525723db40fc46aa6139836d3fc5027e95ede13a366a477704ed93bcd95b4263d062eb45aa1423d4714b293d12503

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/cache/WebView/Crashpad/settings.dat

Filesize
40B

MD5
00262b7e00283d4430522176c6efc68c

SHA1
d537c337608f2cadca6d16d458a614d9b0011ab5

SHA256
720eddaa0a07da2af2cbab09db768de013ca3c16a3aec4cb4c9ba3b519413d57

SHA512
dbc4cabc2e62655bee899b39d451cf55a52301250c6a6b7b670fdf52ae2f427c9b789c2671d2cbf29346d02fa92219c00db73a3abf18df7ab4a26b7b14028009

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

Filesize
96B

MD5
0ca694868e5f6ee21de0f91b1c41d476

SHA1
8195dc9409eee15a7708a42ab4d8272ae49a2539

SHA256
e9bcc7aa6444ffdbdc3dba9cb642d75171033b5bfa30bd2de9a1ae1f95cca661

SHA512
1307ac6e601ef40e5aadc4650f06b18ed6a56c0627b8b19e4c55a6c95ef7bcdf8ed375647378bec7f46f67c7ad54a219d9ab7f7f839f076464b6fe36730c6a72

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

Filesize
96B

MD5
5fb329098407064a67ad284dce9a6e3a

SHA1
432d5f307ac1a39a19a23f4ee66b0d78f325cf27

SHA256
d399ee23d286b646d269265c88210d759cba3f3f785a89c65c13ccf296f589d1

SHA512
13c215742b2876c6c0c5cc18fa89d81a06ca23d44ee959233a08ea8d6ba7ad5ee14031fd43f43ad25bdd98f70e5e56c90a1fa8c74147f8baf7625e24418a9e77

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/cache/WebView/font_unique_name_table.pb

Filesize
57KB

MD5
f080fa2a56ab5479d58063e5ea871447

SHA1
4b3fd57a98916fa5784305b76ba30af26b5253d9

SHA256
0aa374bc456330fd1b5daf18d25b4bb8e2df1998dfa85466f2c31843ff56e815

SHA512
8aee3186a95b389d39882620b7c4199a29aa50580aa98a381b2931a934de6406943c89d4d00ebeabff21e2b03b4a4adcc01e37e32a2335c4838be24bdbf61936

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/qosbiyjhaq/faadweurhczgroa/base.apk.clbwfis1.ixi

Filesize
1006KB

MD5
c9fa87cda7b48167b61083339d8a8a5d

SHA1
5713569cada892f482f8f2357ceee3abf67238f3

SHA256
5f0679419f6c92fa94c310326fe2c88c3fea2725de9af43066bd487be8d35246

SHA512
96e9205c673f28a5e14395272aac2c676cc9cd1fd2454f6a13da69abf1a2f5af3035d4d1c0a24ab7a91762326f3ec96a2ec0aea43b5ca9e3f0ba7edf69c8e332

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/shared_prefs/WebViewChromiumPrefs.xml

Filesize
127B

MD5
97ccd9a2b2063143df56b6937f961ca4

SHA1
5e78a91ae5df289ce83443cb7d5589dd3504fb5d

SHA256
248ff7928128015b1cfe3e6517c8f9b8c9511bfb8c8baf44fc1370640eac61fd

SHA512
86c05a5bb3d7eedea390664796966e9e5a5bf846c85808da54407788a76b3ee25b91428242a1e76d8765bfe51e1ba3636617fbab6e7dbb39fcc433e07c3fcd3b

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/shared_prefs/multidex.version.xml

Filesize
307B

MD5
6f98880308cdc37b8d952c1df9f557ad

SHA1
8e534fd1dcbefdcccb09cd17cdbdd1897fe1776d

SHA256
cad6095b7cdd2c825a6b1b848e7066c4538ed1bde18991326630ed4639fd974c

SHA512
8be25cd246232fc87197005387daf70883a2c13e047ec94e536becc3cb6574903f9e3caa3424be880721b3034a27d8c8b1a68448275b60d75bb6bbcbe4bacebb

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/shared_prefs/settings.xml

Filesize
116B

MD5
d238bcaede8d9fc88b09c0e7fa6248f3

SHA1
7dc3c46230aeff7499e958a777a15ba65d483933

SHA256
44b7e05984b2ff4a389f942dd8e2c6c948abb1edb92ad88d124472fb9ff974c1

SHA512
ef57d436fa7452f4d7a1e737351eed1a74155b8803ab28f838ae6cf134ca6b4be3a47731d024d2ba3c89bb26bdd24b68fb323f5b7d16c36712df42ac093a1a52

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/shared_prefs/settings.xml

Filesize
3KB

MD5
6143c53c45cc52528da92c6ec60905bd

SHA1
ea37eead1b5ae8f258fb49bbcd92eede04ed2cc3

SHA256
e714f476bad88b5f025aa5a72b6094760bc7dabe6fa608920ce6a791d2492472

SHA512
d8955a9c0415592bb531a7e220841a08d717c857a79ed9ec590fcae2ebbd6b54ca45cf029a089a36475c134902c3fda17c1e44d8af4933fec24600f9ce59504c

Download Submit
/data/user/0/com.tafupqzpqgmn.tmnhkq/shared_prefs/settings.xml

Filesize
3KB

MD5
2cc3b816353684f3e80c0df35e13502f

SHA1
3c74cad52107d0462579e8eff3a2f2b36c4d82e0

SHA256
7c153738d5c59d89b16a1938b80b1502f44861b35449eb029b1f36c2eaa25775

SHA512
e9ced2f463cb4184e935c6f5ad2b2be11393773324a4ff6a2d91d7f6ee7a5934a2d2cf239161de800bca4921c5bf001c5b9376981e94b825b250dae3c3ebeab7

Download Submit