ermac | a48b1693a2f824848da0c258859e2c9081d6a8e11d7fb2e0d93a8aa2613037d1

Analysis

max time kernel
1538723s
max time network
322s
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
07/04/2023, 12:29

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General

Target

pithus_sample_a48b1693a2f824848da0c258859e2c9081d6a8e11d7fb2e0d93a8aa2613037d1.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/4418-0.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

Removes its main activity from the application launcher 2 IoCs

stealth trojan

pid	Process
4418	com.loloxitohuna.pitogoxa
4418	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	4418	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.
- 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:4418

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
c7455c7fd5dc76787e25ef15a221237e

SHA1
f3d6e045fa2f429041e51fce9b03816e621c6ba9

SHA256
d2a7aa909fbc34d4e60b7c7495c87e5710030282db8313a276e23552ba75eb9f

SHA512
fd8ec781b84eb8dd9aab5305787a74a033b4615f59890469329df18c19e9820c79b1a271d046d0e9328c7d99deac34cff95673f589f9dcfda7453f0a3aff6d75

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
85a84be7922611cf26cb7ff8e05b83c1

SHA1
eee7acc48cf9ad299807e3ecfb73deebcff5d535

SHA256
3741def3e04a93734ad5ea1e9ebb35c7c38fa0cb870a011fbc2cb96cd0b4050b

SHA512
fc34edd77532edc9a12c151648feeaf9e2294ffba15a58f172779b6a587d3ca9d059765ba01a2877e4a91987ff79d4c779efd661b57365637ca701607343ea16

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
41b69d057c6bff3d33da0dabe6d4cd53

SHA1
90e97eb0baa1d82b90ec76e15deddbf5c8aa2283

SHA256
e76fffdaf031fdc5aa0a6d79c555b6930455e7d1e304c509451a79b4366f70a4

SHA512
928d450fcbcd5d5024dae5619c9e906e037a28597ed697904b1c39d14b62fab53b1c9c37ed79bf271da5614537be2d602619b526f4ec878424e0dfda9dca5bbf

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

Filesize
31B

MD5
3100957fa49ba35492e924750c01a317

SHA1
6f0aa686e2711d552dc5f2679368f75e5a424a15

SHA256
7d37ae158e5ebe0fbc37fc18c743a9ffdb378981815a443975281deb280b05a0

SHA512
92a23df5e8475530e2af5c6dda2b948be6b99fbbdd1747cf0cac1775b495ce00fde503dd1bed0a7c462d015ad5646bf8ab2059cd518534c45b700f034d919209

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

Filesize
40B

MD5
06954aff6207b0ebd597a4eb745d1a28

SHA1
ad889fabc4de83a01019ff613cd5bbeaef3d8907

SHA256
eb3c325e1790bd81718bc3907fe2b949131e1a0ec4c16195193af725fcfe6f97

SHA512
c78de9366fef125474ddbaa6b1bb40e3bf351f0487dfa9acf30760cc42fa75a3149c335099b733d21470f52de2fea3d483904fef3cc3a4b2f05087a788d97dbb

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
e3659d6f465b33f2eece3c7fadc91ad6

SHA1
3cb105f55f330c22a5bdcb5c11d2da528d0e302f

SHA256
34b13b74a4d8aef121169a6bd57b39309ccdfd8201a9cc6693d8fbd5c8f25368

SHA512
c034c45ae7b5b03515d8b85f1a0642dac6f4fbba49415f623f502341f762f503a17bcab4ec76efc23c1feaf87d110f707a713d380ae20f4b14dfd92fb4926703

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
9fbbc7820cef64f55961dc52f726c0cf

SHA1
924af69ba1e3dfdca1d9bbe1ffc01c2e1a2901a1

SHA256
7730df8aecf9af82f2d81bc3e9add2ed697366d4682ee27a4e50f24ecb8a7f3c

SHA512
a8a2f3b752e7140b790de18e772d6eec21862ca6d273ac949c84ce5bc5abebd7842fa17f1f0311569ff4ec778f6b74edc96dc7e39e34820860b175b61bc20fb8

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