ermac | 9b5905a253141d4f64394de73775541a7bb16714cff8d18684e24ae887c97fc2

Resubmissions

15/05/2023, 08:47

230515-kp5d3sfe45 10

12/05/2023, 04:56

230512-fkpqlsbg86 10

Analysis

max time kernel
240349s
max time network
169s
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
12/05/2023, 04:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

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
behavioral3/memory/4528-0.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	4528	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:4528

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

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
7617b0697842869dd3c848f973f6a4a2

SHA1
d8cc61a0a7ced0329db95696cc1f5cd7d5bf2286

SHA256
ba7448d41d2793a229d6ff964baaaedf6e295df5c2829b76f3c3c81fc47d19bb

SHA512
591c2dec308b51a78c185c62b801fb18f1aa90b5382cf8ab14e2b38c7bae58e3a40cff15cd5adfaaab88fa3e2e2a16b463028dda5123d2cf7d1e4380ec004dc4

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
61B

MD5
9f7eadc15e13d0608b4e4d590499ae2e

SHA1
afb27f5c20b117031328e12dd3111a7681ff8db5

SHA256
5c3a5b578ab9fe853ead7040bc161929ea4f6902073ba2b8bb84487622b98923

SHA512
88455784c705f565c70fa0a549c54e2492976e14643e9dd0a8e58c560d003914313df483f096bd33ec718aeec7667b8de063a73627aa3436ba6e7e562e565b3f

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

Filesize
135B

MD5
211156b11e3e326717a54879f90441b3

SHA1
6724faa4e015ba67c05e4d40659535456a990a20

SHA256
f7d1060a17030f2b250e6ab085e82a77fc7dc87d81b6682111a35549fb313476

SHA512
756106259196daa5f5f0938b9dd8f562349deb87db15bdda2e99dbd20782f6d21d53e0add8654e87acc5a52899319b7bcd9580e0dc328a6f54b7b2039acb2a89

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
daf954fc5dd247ababadc9e37e72cb9b

SHA1
cbffff0737bb225cd752e6e80c99e3c722c55e33

SHA256
2cbb7e1f0a6be3ed35c781bd49185545252c3c8b497e398750eb5c0e16b67fe9

SHA512
b777dcd934f5ffff55374a7d5a910966ab49047121f47eab5217c6d1b5757db06577491e6f5be872c39d0c490115e4e46509548cc407ad9d615eaee32139b92b

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

Filesize
29B

MD5
ab1cfd08aef0fe1c75e9d9b97739d4c5

SHA1
911f5aa9d297771bbc50a8b6f74109d0304de9c2

SHA256
69fb846fe66914fb3ae10aec06b3a5e3b0c195d4298364ad32391feff60e773a

SHA512
3b3b4454459676a81b78c00f99334ff58a61191535dda8c1deef03089e6b5ec8f26fcabecc626a84e14b14c4f8430422fda89b281d0a135ff2cd6c47f1f44bdf

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

Filesize
40B

MD5
7b7423c1223b65cc150b91afdeb425b5

SHA1
55a50d493e630135ca755e959f5d6fe220f1b23f

SHA256
20a118cf1a7e9a351cf1da70cdb1ee0c6c7088fbafe5cb6c8e2c174192fff2ff

SHA512
ee160500e5ecb606c694299973e11c493bca07fc7ace83265d0e2cd94631dba20e3848bb00003588ff44ee33bbe2f141e77bb32f1915e1fc0a3fc03da10e000d

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
8c68143cf528600c2c818a1233aed4da

SHA1
2b12778240a539134f4ce40b01be43013a9e9989

SHA256
7912e668dd7d7be1ffed6c34eb5d9e1ecaf06b057bf22b533ee5664f03aa4571

SHA512
2f919ac647237a41d710160919ea48712fe2a07565db39766601329af6c1e2854d9bb2bb89002be4e9fccbd68c1707983230179ebc022e155751b36317eaf058

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
9a2299d2e48daa263fee06d07bdc7073

SHA1
74d4d724ccb65318e38f766075339da390f7dc63

SHA256
80f0be54a617efb0afd11c96e5095fff24671256a9c320ae546c5369c8469311

SHA512
3c90d9b43ebc5e2fbecd8d33e1fba8224ef3be018d70770a6bb51b737a5675003ba8d8f260b382701ad21e76df7ab57e38a806b4a648b50a9b3ec9707805fa03

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
1cf5cbc22dc37a2ef3c41289ffac6659

SHA1
8b414cc369536b40f414802a9ce7639fe0e8d5ee

SHA256
9dcaee80f6af824b257f63dad4e12db2df40010acce6bd6014b84a0bf4413b57

SHA512
46697a3aa6db702035e26a87ae1616a27d4fd520c51b6d1e83ce1e58dbfd6aed4b9533f294bac031fe354b0358124ea776fe8dfa1d566bb3e37069ff3b9235a4

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
205246a61650cc3c0a1db0d449826b7a

SHA1
47bc7c4e59885855cc18284b8536557175216d8a

SHA256
6ee1a9ea73c95b74637740a0e3f15793388f2eca0b57745f7e6a136ee73cbdd7

SHA512
9f9594e5cb62a64450f537de08e0b24986de8241bf661f48a8eee2b1f87f76c09f75010818dbe775517ae05256d71becc657e15c91d389c0de619de3dee6c750

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

Filesize
3KB

MD5
2b50fdbe50c202240bc958a0a3ad15ab

SHA1
5f144b75349aff803f205944cef54bd0270a4771

SHA256
dc229437d5f8a277d794c7c5c2365830dfc36f24a0cfecd49005904806f2588f

SHA512
55f5b015e2e563833041ed52a5abcfced6a8660d12b57b46f2a0b278e36760a59eb6a69c7c8577d18d5d4bdcf446ce8dac600d92bf57256f5b8b69d9379963f9

Download Submit