ermac | a48b1693a2f824848da0c258859e2c9081d6a8e11d7fb2e0d93a8aa2613037d1

Analysis

max time kernel
3658724s
max time network
165s
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
15-10-2022 05:15

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General

Target

Telegram.apk
Size

2.7MB
MD5

035a2266813f3d204c64b7be514f913f
SHA1

09ce3654ff984682c917d1b37c28d245f771a6c0
SHA256

a48b1693a2f824848da0c258859e2c9081d6a8e11d7fb2e0d93a8aa2613037d1
SHA512

73a6016d7ddec0102f4621f05940dd3103264295fb45c5073ba9dfc2576e903f7dc3828fa21defc8174ea14e0397242afa4fd1812e137c1d19eb5f9a69ab5112
SSDEEP

49152:xWrpqJ2SIjTsnRQ96BVMZlf4fcrkDTCv5ZsOzrdtGiZjKNlNs:epqgS0q+g22C7zrLGSMlNs

Score

10^/10

ermac banker evasion infostealer ransomware stealth trojan

Malware Config

Extracted

Family

ermac

http://193.106.191.121:3434

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/4591-0.dex	family_ermac2

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

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.loloxitohuna.pitogoxa
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.loloxitohuna.pitogoxa
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.loloxitohuna.pitogoxa

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.loloxitohuna.pitogoxa

Removes its main activity from the application launcher 2 IoCs

stealth trojan

pid	Process
4591	com.loloxitohuna.pitogoxa
4591	com.loloxitohuna.pitogoxa

Acquires the wake lock. 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.loloxitohuna.pitogoxa

Loads dropped Dex/Jar 1 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/com.loloxitohuna.pitogoxa/app_DynamicOptDex/wlrjatm.json	4591	com.loloxitohuna.pitogoxa

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.loloxitohuna.pitogoxa

Removes a system notification. 1 IoCs

evasion

description	ioc	Process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.loloxitohuna.pitogoxa

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

ransomware

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.loloxitohuna.pitogoxa

com.loloxitohuna.pitogoxa
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:4591

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.loloxitohuna.pitogoxa/app_DynamicOptDex/wlrjatm.json

Filesize
456KB

MD5
4c861f23b48c50285d3fe240a336950e

SHA1
527cf74f4f20ff2afd67b8a0ac04fa83b7bcb9c2

SHA256
6604888c866c79aeebc4a038dc7d5ebf652037d4de71659f96f84f2193dde5fa

SHA512
428f65798ce60ebcdc3bab385471cf7c0b2531ec52dfe21cf446808902580e4b477c4f75a404dbf8aa2bc5443683a5b8c0550322262c6c23fd0f89c64bc954fe

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/app_DynamicOptDex/wlrjatm.json

Filesize
899KB

MD5
2149d0e1c412d8a5e22b955a46ada4d0

SHA1
e9bf7faa4653613f261e1539373959b83c4346d1

SHA256
4c9091f9d6538bba4c53ce557b5ef35f47c86faad03fbb9b001232c70960a1ee

SHA512
3c8922374b44932ad16093b25688e650a2f255d2a351ce8db1e6ac9991df122b66ae414c5887322424cc6ddc8f5c676e775515313096611c9f60382a8f88809e

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/app_webview/Default/GPUCache/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/app_webview/Default/GPUCache/index-dir/temp-index

Filesize
96B

MD5
975a6e6732368ebbea1c13d677ecc853

SHA1
ec06287acf45c9ee968f62417a7a03044dbc534c

SHA256
b1de42fca8877b42ee1c4d497457e598464b33c124598c261b5b0ec7bf69d97b

SHA512
1a7937accbd58ebdd1cd11ba0a71009b73da346470fc4efcbc512c4c590790e5adee81c921fdc11f1855c4ca710c2c8ef72a8f55cb2c3309bc482d58773fcd79

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/app_webview/Default/Session Storage/000001.dbtmp

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/app_webview/Default/Session Storage/000003.log

Filesize
61B

MD5
9f7eadc15e13d0608b4e4d590499ae2e

SHA1
afb27f5c20b117031328e12dd3111a7681ff8db5

SHA256
5c3a5b578ab9fe853ead7040bc161929ea4f6902073ba2b8bb84487622b98923

SHA512
88455784c705f565c70fa0a549c54e2492976e14643e9dd0a8e58c560d003914313df483f096bd33ec718aeec7667b8de063a73627aa3436ba6e7e562e565b3f

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/app_webview/Default/Session Storage/LOG

Filesize
137B

MD5
ef13604e9e4c3c50229855e924ea7264

SHA1
56a8c0341ff328f38a667c549e742b2062de929b

SHA256
47d75e81f4827ae5002ead1e5a9d9f0705f0605e1c9957aaceeabe155caf6b59

SHA512
f6ef198a446a15b7450d3f66dc47c4af84102d386b64764dfb0462395f7787a983f3c4b79cde52e6a253be0c311485d104740d9eb039dcd04801093591b64404

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/app_webview/Default/Session Storage/MANIFEST-000001

Filesize
41B

MD5
5af87dfd673ba2115e2fcf5cfdb727ab

SHA1
d5b5bbf396dc291274584ef71f444f420b6056f1

SHA256
f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

SHA512
de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/app_webview/Default/Web Data

Filesize
120KB

MD5
a48cd9324b1f8754b07f00d863b840f3

SHA1
11c6614775b35a58f440971dfc87c8aaac6d6173

SHA256
8859a216183793485d4699bf69d7ed96904679834188d07b9a70424d47eb1420

SHA512
35fa712f0af4a5eeed7e00e4e59ed5027dc6609d268462fe79d92043be9ae0c5961ce9e1d2f64b1a196c9b6aa6242b8b83817b3ee4c1058596c58a99c45478b1

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/app_webview/Default/Web Data-journal

Filesize
2KB

MD5
84e5d7ec491149a0d7b5a525b06e7303

SHA1
6fdd64eee1b91925273ce5b56b6ca55221393dd9

SHA256
46bd8f555e0869a271f3ec5de7eb2a5f0b88b61594d110a357a7f5ccb2550d05

SHA512
17b77a0ee1819df02a87665445b162e410278b05bf4054ab4f97cfd2391d6b82317554758b357c8ea801e056f25d8c9105528cecf303e31f0f8b672a81e9e201

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/app_webview/webview_data.lock

Filesize
31B

MD5
9e4e3584c0023c4ff7af49af55d2d444

SHA1
3a439531d5b02c65dbd7c9e277d8458a3e68bbd4

SHA256
6496c0f8f9546bb86d3e045ee9d74348f4ae13a8743b4137a3f21214a612756e

SHA512
4f683279e9875cc89465a96b87552443a9cd8dc827ce5a2ab62378a49395cba5de00ca7b0b917023ca048d034492d9a8bbce7719795234c9a6d5bc3e0c79e5bb

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/cache/WebView/Crashpad/settings.dat

Filesize
40B

MD5
afd218dfe9e02f4ad6ba7442f74ce846

SHA1
d799c1e84042b5180dd910a451d0b748c3207915

SHA256
f823d1f8c292f1ea75e5665937e933df098f7cfb0910f3a89e00588bc2d39db9

SHA512
7d5b0bda1c758c10478cdbc8a910a39fcacad6d37115cce656d41a02861aae6608e65ea70a7068ad9f257416e3137e024c5b2d91325de47d94131518a2db41f4

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

Filesize
96B

MD5
8850a67faf2203066a409a2a251e0921

SHA1
4f10a7ef06d19f36d6b74b58abd4f17202cbb88c

SHA256
b8d1e19def89c1e185a734759db74028860a54dd47be7022f704dcbf593788c5

SHA512
f0e5fa8d8a1d459ff59c4a91d745bed8f4779f31c237fe03a15a82c35ec0690548f0d3facfbd7ab2ffacdf9b3fe987b864ec52a63db389d20352012ae9c6cd6f

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

Filesize
96B

MD5
5a569439355d88c8b23eb7f1ff086366

SHA1
4c3a5717c28f4a2e1adf667ae21d20b1caec886c

SHA256
86ac7e77465444c7b9a194deac37364a52869b70d15c04e2a611361462e58f9e

SHA512
04059ff747bc5cca10c17814927cfaa04fd337b0db5a4b028211b23b8307d3d0a20582c0c63ba819cf0535290edc2818dbd2a17ae2807038f0fd8666ef26784b

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/cache/WebView/font_unique_name_table.pb

Filesize
57KB

MD5
f080fa2a56ab5479d58063e5ea871447

SHA1
4b3fd57a98916fa5784305b76ba30af26b5253d9

SHA256
0aa374bc456330fd1b5daf18d25b4bb8e2df1998dfa85466f2c31843ff56e815

SHA512
8aee3186a95b389d39882620b7c4199a29aa50580aa98a381b2931a934de6406943c89d4d00ebeabff21e2b03b4a4adcc01e37e32a2335c4838be24bdbf61936

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/shared_prefs/WebViewChromiumPrefs.xml

Filesize
127B

MD5
97ccd9a2b2063143df56b6937f961ca4

SHA1
5e78a91ae5df289ce83443cb7d5589dd3504fb5d

SHA256
248ff7928128015b1cfe3e6517c8f9b8c9511bfb8c8baf44fc1370640eac61fd

SHA512
86c05a5bb3d7eedea390664796966e9e5a5bf846c85808da54407788a76b3ee25b91428242a1e76d8765bfe51e1ba3636617fbab6e7dbb39fcc433e07c3fcd3b

Download Submit
/data/user/0/com.loloxitohuna.pitogoxa/shared_prefs/settings.xml

Filesize
138B

MD5
c900c437e050a0a0975fea7d59ffe9a8

SHA1
43906d1111416d71b5b6c9ad13b3261c29497853

SHA256
b502542eb45bbc35c5518d6afe55aef84d95663cd0a781ed119c9d0f04356460

SHA512
4e4230f4b9382797d721a007091a04c1012f2e3542ca371633ca4d2432512210f1794ca5adec586032e728fdb0ebe511fba74ea7b94ea1c2c820564f67b1c595

Download Submit