ermac | 606acd11705fd1d6c9a5dacdb13fb92e2f19ebdb03841537b417c85271c15ae9

Analysis

max time kernel
2636037s
max time network
157s
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
03-10-2022 09:09

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General

Target

606acd11705fd1d6c9a5dacdb13fb92e2f19ebdb03841537b417c85271c15ae9.apk
Size

2.7MB
MD5

338fc0523c60d81ee12818b15b71a3f5
SHA1

8efa7558e75ff5f1e5f93b4c7040a5b58ccadaf5
SHA256

606acd11705fd1d6c9a5dacdb13fb92e2f19ebdb03841537b417c85271c15ae9
SHA512

534363748267c0133c90049379de6f391fe2e8107057d935d6f5c22d3f75bdbc718e65161168cea1ae719ced6cca73cdffae1c123f5c91b4343f6f56cc8393af
SSDEEP

49152:E/KDl30XKW7nrWnZIgAs76+4fiBGxtnBUGWYpqzcz7MusT5Qs:E/KDl30nf+qds+uBinqGWdQXMd59

Score

10^/10

ermac banker evasion infostealer ransomware stealth trojan

Malware Config

Extracted

Family

ermac

http://176.113.115.150:3434

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/4487-0.dex	family_ermac2

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

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.fovatemoyujo.pacadezu
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.fovatemoyujo.pacadezu
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.fovatemoyujo.pacadezu

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.fovatemoyujo.pacadezu

Removes its main activity from the application launcher 2 IoCs

stealth trojan

pid	Process
4487	com.fovatemoyujo.pacadezu
4487	com.fovatemoyujo.pacadezu

Acquires the wake lock. 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.fovatemoyujo.pacadezu

Loads dropped Dex/Jar 1 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/com.fovatemoyujo.pacadezu/app_DynamicOptDex/rH.json	4487	com.fovatemoyujo.pacadezu

Queries the unique device ID (IMEI, MEID, IMSI).
Reads information about phone network operator.

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs

evasion

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.fovatemoyujo.pacadezu

Removes a system notification. 1 IoCs

evasion

description	ioc	Process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.fovatemoyujo.pacadezu

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

ransomware

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.fovatemoyujo.pacadezu

com.fovatemoyujo.pacadezu
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).
- Removes its main activity from the application launcher
- Acquires the wake lock.
- Loads dropped Dex/Jar
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
PID:4487

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

/data/user/0/com.fovatemoyujo.pacadezu/app_DynamicOptDex/rH.json

Filesize
451KB

MD5
b36a8af4a045428f7148bffd6b0e5504

SHA1
78dd5f5d03b3ce0c7a41c6c63b9eccf23c951bd2

SHA256
142f18f86760a034b963679f203043dd6021c95e4e3e58530f0afc51a6fc74a2

SHA512
77880db0d6073118d1f2d7d0c3fc5734018dd5fec6fc41d55cd283ccbf7ed0ef036c78b81f804fde7d2d1635930cdc7c40e1bd73210ddf9788f5f141efcd8bb0

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/app_DynamicOptDex/rH.json

Filesize
890KB

MD5
183f7ba01ccb9358a1b7fbefb542545c

SHA1
906e125d5658677ddc21f72abbdec498cbe8550f

SHA256
9d82897d4c243f8034c8bd68bd74d2763ea0aabdf9df0e8bca58a2560367ead3

SHA512
a904dce46832c26357e03408569ad09c276932cd99b312de32a5dc7b8630109544803adaac58dc8e3cc4023da35779666c8c01f9e56a8a51af443f1976124156

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/app_webview/Default/GPUCache/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/app_webview/Default/GPUCache/index-dir/temp-index

Filesize
96B

MD5
dc002a4e17b196c4395af10ea5162f94

SHA1
1fd8676052c6b67520c579ed9dd03f3c0a7bab1a

SHA256
2d33253bc8d931ed36112601dc93eae74dd0497c0f9aa947eb9ba06c7d83c5a4

SHA512
2eb043b36902fc514fa29fffaa4a0b9d59949fb2ad94f0c1b7ba8f1e139deb29453a415e5463a3aea0b8861e98aa64a45e84dabf5106cdd90dbf9f9029e5a7f0

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/app_webview/Default/Session Storage/000001.dbtmp

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/app_webview/Default/Session Storage/000003.log

Filesize
61B

MD5
9f7eadc15e13d0608b4e4d590499ae2e

SHA1
afb27f5c20b117031328e12dd3111a7681ff8db5

SHA256
5c3a5b578ab9fe853ead7040bc161929ea4f6902073ba2b8bb84487622b98923

SHA512
88455784c705f565c70fa0a549c54e2492976e14643e9dd0a8e58c560d003914313df483f096bd33ec718aeec7667b8de063a73627aa3436ba6e7e562e565b3f

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/app_webview/Default/Session Storage/LOG

Filesize
137B

MD5
f1764811458a3882d6a68806c620aab7

SHA1
ddfdf39dc0f0829847294c246b64bb253dd4416d

SHA256
751283e444e135c36b3493cb33fcf6afc07c576bb4d0440bfe7b345c814505e4

SHA512
0640080f6b1e822617db68d672894f598811224bf63be75795061247acef5aab4e64655f07ff9517b52693549b403972d7c2e3a448ac2bd70442da6f1e0b9aef

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/app_webview/Default/Session Storage/MANIFEST-000001

Filesize
41B

MD5
5af87dfd673ba2115e2fcf5cfdb727ab

SHA1
d5b5bbf396dc291274584ef71f444f420b6056f1

SHA256
f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

SHA512
de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/app_webview/Default/Web Data

Filesize
120KB

MD5
a48cd9324b1f8754b07f00d863b840f3

SHA1
11c6614775b35a58f440971dfc87c8aaac6d6173

SHA256
8859a216183793485d4699bf69d7ed96904679834188d07b9a70424d47eb1420

SHA512
35fa712f0af4a5eeed7e00e4e59ed5027dc6609d268462fe79d92043be9ae0c5961ce9e1d2f64b1a196c9b6aa6242b8b83817b3ee4c1058596c58a99c45478b1

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/app_webview/Default/Web Data-journal

Filesize
2KB

MD5
fc00a8d10326a4980748797ea6c56d2e

SHA1
70d31f9cf9cc7e551ae535c0ee73f820174cfed0

SHA256
d2e8cbc87ddefce9adcf450a8ed9fd87b1a06000a3ba0a4623335bca857bc161

SHA512
4952f6f86871538de1fad7b4d6d5fa64739a79f44f72069f756b393694241defb23d64566ed54655671150198fa96c67b258afce4c8f08a09ade57f2d74da1c4

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/app_webview/webview_data.lock

Filesize
31B

MD5
3bb29e0b60c7de175f30e79c8be5f75b

SHA1
b9ca3eae28f29cd52a941d6ca70e883f110bf65e

SHA256
59b6019eda11d42b54220c410468d18be2e094a361c2a09385705a92766ba321

SHA512
9330752a9ee8e1999e889ad865ac60b265a2767b7888b24e5b66595e81bf2820b52cc56e6333c1b669d64756ebed18e3c924d7d6c0b73742ce903b6ce5a77877

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/cache/WebView/Crashpad/settings.dat

Filesize
40B

MD5
987bfbe97ddb009cd4e8a2aa9d7c8823

SHA1
8716713ccd4f6c44593917f751bb39eb29e29530

SHA256
6eb6b8342da3b64a6636acf9decbe3bca93c397fd83d4a2597be05bcf9208a71

SHA512
8ac78c270466a7cebb51df35a47b9b26fd62966965656f00a6534b3aff219fa684ef19fc1a0e1e88bc8c3e3c55808f99c315e1c3b95e6d96799a3e427443911c

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

Filesize
96B

MD5
cc4ea0d8aa8fbe9f8993419904605dc1

SHA1
3bd6ad685b60c128883a3f0a03bd6a9926dc2387

SHA256
1b5212b9bebc88bf276d50232af87daddc2ef654f5dedf51f4ea5fd0fa49afd4

SHA512
5ce44e5a6ffbcf8ec15a7062c25c17e55b7fefa208c2df05fed11ff64535e7a797d9158a5df463db0709ea1ea4f4a04ccadb5b94fee568ab011bc9c7c439c6b6

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

Filesize
96B

MD5
768c5b423d11c76ab871b056a01ddf79

SHA1
fe7840437fffb05a57e195dd32a659e0d22497f1

SHA256
547c3ab323befd78a712f9c70894c38fcb398fcdfdb2479181b4f244a140c9eb

SHA512
9d0fbd641346902a5f1c2f24608c985b55a97148ba517247e29b013095816cc82f8cc68b577196e02ef594190361231b3624bebfac085e08b3ef2563460c511e

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/cache/WebView/font_unique_name_table.pb

Filesize
57KB

MD5
f080fa2a56ab5479d58063e5ea871447

SHA1
4b3fd57a98916fa5784305b76ba30af26b5253d9

SHA256
0aa374bc456330fd1b5daf18d25b4bb8e2df1998dfa85466f2c31843ff56e815

SHA512
8aee3186a95b389d39882620b7c4199a29aa50580aa98a381b2931a934de6406943c89d4d00ebeabff21e2b03b4a4adcc01e37e32a2335c4838be24bdbf61936

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/shared_prefs/WebViewChromiumPrefs.xml

Filesize
127B

MD5
97ccd9a2b2063143df56b6937f961ca4

SHA1
5e78a91ae5df289ce83443cb7d5589dd3504fb5d

SHA256
248ff7928128015b1cfe3e6517c8f9b8c9511bfb8c8baf44fc1370640eac61fd

SHA512
86c05a5bb3d7eedea390664796966e9e5a5bf846c85808da54407788a76b3ee25b91428242a1e76d8765bfe51e1ba3636617fbab6e7dbb39fcc433e07c3fcd3b

Download Submit
/data/user/0/com.fovatemoyujo.pacadezu/shared_prefs/settings.xml

Filesize
138B

MD5
051a615ff6455f7f2ce84dd6c0524c53

SHA1
44bbd64e11aa4aaaff34491678e3ae54cb275d73

SHA256
a7f92fe4dbba5285239907584ca440e1f0962b17cee7a9369cc83e5423c2bc87

SHA512
586a0a2decd67e21145c2faed6a67f16d9d671b9377d84c003e77d147adeea2f37d8b63ff78cd52e37cfa7105e4826303b2e981d25adf250c760608dff3f2872

Download Submit