ermac | 33b7572766cef039979714d229ff2076cd5c979e22a11891ef6fc4baaac0e0fc

Analysis

max time kernel
3274866s
max time network
164s
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
08-03-2023 21:45

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General

Target

sakinacmaermacapk.apk
Size

2.9MB
MD5

59c1dfcf5cc3b76c961fe08f163dbb02
SHA1

12d002783acc1fe8573abf8f07e7fc79d2769f27
SHA256

33b7572766cef039979714d229ff2076cd5c979e22a11891ef6fc4baaac0e0fc
SHA512

38639d0029410c6af04c15e53a37d4c7e8e572cf8fae4c97ee347885615c30d65825d85f7c71149d6bc9bee8db5c12048695cf59b91f1e6241568d69384b0184
SSDEEP

49152:Fun4FKKpN0DAb3KBoNEzcnxmnHy99J9N1OG8Ps9KL4fED3AfnkIPBNLEO4ZT5Noq:FCelAAnxc49D/B5qD3AfBLn4ZTcyN

Score

10^/10

ermac banker evasion infostealer ransomware stealth trojan

Malware Config

Extracted

Family

ermac

http://31.41.244.187:3434

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/4523-0.dex	family_ermac2

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

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.zixudahitifo.gicu
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.zixudahitifo.gicu
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.zixudahitifo.gicu

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.zixudahitifo.gicu

Removes its main activity from the application launcher 1 IoCs

stealth trojan

pid	Process
4523	com.zixudahitifo.gicu

Acquires the wake lock. 1 IoCs

description	ioc	Process
Framework service call	android.os.IPowerManager.acquireWakeLock	com.zixudahitifo.gicu

Loads dropped Dex/Jar 1 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/com.zixudahitifo.gicu/app_DynamicOptDex/Hl.json	4523	com.zixudahitifo.gicu

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.zixudahitifo.gicu

Removes a system notification. 1 IoCs

evasion

description	ioc	Process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.zixudahitifo.gicu

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

ransomware

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.zixudahitifo.gicu

com.zixudahitifo.gicu
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:4523

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

/data/user/0/com.zixudahitifo.gicu/app_DynamicOptDex/Hl.json

Filesize
444KB

MD5
0bea6585938f017bcc65885ca587fbb0

SHA1
ca739eb958306424008b9980c18e7a07aef55391

SHA256
6fc4576bc81f3beda1a9e1b832886189f572ee444e0c5c9b4e450bf72fd50b7b

SHA512
7c8f576ff28090382b234be8b58d800c2f903c31d61c1a7c2366620d93c976c7050fcc7a65bc70032df6f56b4e2c086ce44b009f57a9686ea4ad9d09f42c45f5

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_DynamicOptDex/Hl.json

Filesize
911KB

MD5
e071d783d184c999ca79e2774e4147a7

SHA1
f4e37f05941ee25e02bc6781ba5ddc32d6eb9d7e

SHA256
123eb705335efa5af8a5b85f34e5a3afb45db0a406cf2cbbe15c9a202819d5d2

SHA512
e91e29888b9bf58835b458fb3cab0b300b9ca7c95a07282dfc7d7a75b6e67c07b26a2fd976b8d7d04b010881bf1537eff22ce7cde20c0abebc76550137b1f626

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_webview/Default/Cookies

Filesize
64KB

MD5
dfb2098ca7b3bf16d6f5f1e7d3839af5

SHA1
ebb7a8bc886062d77a4092bd306b77a0ce7a3e9d

SHA256
e4119d32577d7fc63b267cc23eb7a9bbfb12d238f23e08918c38838fe0181224

SHA512
fccec45399258eb98220b7f01b492a72b8b3d1254dec6e196e344d89a0376c6ee24534a31a6675c866d4a17256d3ac6823657eaf04e1d386757d0cbfc6597e50

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_webview/Default/Cookies-journal

Filesize
1KB

MD5
6933fcd14db4ff9387b847849a6cf9c1

SHA1
8a669ccec773ba73469d993efdbe2d33b33e5fb6

SHA256
c454b274271fae773dc64ecd2ae572cc052aab930db70dd1b86a4ee2f67811cc

SHA512
8ae2afc58559f3b8a87a8b6366235137e2b0c9c15b3bc4b47275a84a5781d0f673b4f93ebe8b03bb0d65772525140a6e422eb9c4166cfd52fb299f92377011f6

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_webview/Default/GPUCache/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_webview/Default/GPUCache/index-dir/temp-index

Filesize
96B

MD5
9238c550feb12a5ef1876f28770b5282

SHA1
4c6fbe6c88d6e9f47fe24a62cfdf30d7ea026c70

SHA256
508ab1b9bc37325ab77655e67e74cfc925d06cdff68934ec16f1df6d65d37d27

SHA512
da26d360876c35c5b6ca7cbf220c960f5b65a0e7dd1f37352a44372867528b05614423f730532af3c220e9b5b0923ef8854dded44a532bf0fa6fb82d7619cea6

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_webview/Default/Session Storage/000001.dbtmp

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_webview/Default/Session Storage/000003.log

Filesize
80B

MD5
69449520fd9c139c534e2970342c6bd8

SHA1
230fe369a09def748f8cc23ad70fd19ed8d1b885

SHA256
3f2e9648dfdb2ddb8e9d607e8802fef05afa447e17733dd3fd6d933e7ca49277

SHA512
ea34c39aea13b281a6067de20ad0cda84135e70c97db3cdd59e25e6536b19f7781e5fc0ca4a11c3618d43fc3bd3fbc120dd5c1c47821a248b8ad351f9f4e6367

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_webview/Default/Session Storage/LOG

Filesize
133B

MD5
9e0cb6f3da4394fb36f33d0d27472583

SHA1
2ea02b5a6c2c4fd10dfe1937e5cfa0fa1b7157f5

SHA256
d7330c064af5cccba2100177eeb2829af66557c12d53ca563c1ea1f15b373736

SHA512
f0ea15ea393e7f1e09c4f47c7a9b0ac3141770acd68b4371d600eca4386b5b3cb68dcc7ec3803b72aad20457389c492d39fcad614d447956de6e0446e3f63cf0

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_webview/Default/Session Storage/MANIFEST-000001

Filesize
41B

MD5
5af87dfd673ba2115e2fcf5cfdb727ab

SHA1
d5b5bbf396dc291274584ef71f444f420b6056f1

SHA256
f9d31b278e215eb0d0e9cd709edfa037e828f36214ab7906f612160fead4b2b4

SHA512
de34583a7dbafe4dd0dc0601e8f6906b9bc6a00c56c9323561204f77abbc0dc9007c480ffe4092ff2f194d54616caf50aecbd4a1e9583cae0c76ad6dd7c2375b

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_webview/Default/Web Data

Filesize
120KB

MD5
a48cd9324b1f8754b07f00d863b840f3

SHA1
11c6614775b35a58f440971dfc87c8aaac6d6173

SHA256
8859a216183793485d4699bf69d7ed96904679834188d07b9a70424d47eb1420

SHA512
35fa712f0af4a5eeed7e00e4e59ed5027dc6609d268462fe79d92043be9ae0c5961ce9e1d2f64b1a196c9b6aa6242b8b83817b3ee4c1058596c58a99c45478b1

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_webview/Default/Web Data-journal

Filesize
2KB

MD5
c4e8b8d2ff0e876c2f12d3b17b3bcfb5

SHA1
c4f84206f389605dc1a8fa96c37346308453fd39

SHA256
61294df90f4adbda024f3b0cadec72bba788f614dac465b18f264b10c060f037

SHA512
c4744c0362a4d83b569163dfa4510b5b919c5093024857ce70c7ab6537c8ce69e68dd42d2c3953d8b4d0422d0e1b526ba885ab613d154cbdd927a6107b6c65cb

Download Submit
/data/user/0/com.zixudahitifo.gicu/app_webview/webview_data.lock

Filesize
27B

MD5
606bb0738d96522fcec4611c900dc153

SHA1
d0cd849b443a958614510fb5f00ad493e94c914a

SHA256
04dda75fe76cf590c12579ce7be36d91ea83eaba42f49c8e211875dbec7827ad

SHA512
e20992fde1412de8cf5c98c897abc428f6dd71795912dcc4a5616ef5a906d7dbe8aaf1cf55b983348d9c20db8aa42eb112e27e8d83f376f04453f24bd24ff159

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Crashpad/settings.dat

Filesize
40B

MD5
b9726ada3baa16c66e7e73e83df3ae40

SHA1
c78ec8a8120ee04a3b4371daf52e066f5eb8f5f3

SHA256
e8a362369a0213b1b6fe2b06f92b60bbc090d84ac198c960a25ca38402105f9f

SHA512
a0af301f06ab412c5ff1a61c1863592578433ad3152a0033b87400067b12747c27a92accdcaee5fab677b1a67870b8281409bcd66763f788d8fdfe018d1abf90

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/1dc40779bb8387b8_0

Filesize
426B

MD5
c07d7507c03bb4d253ab2167d85d889b

SHA1
993a9bf6018f41dea1035458c332ead67f421266

SHA256
4a4f655ed5b28fd7cab963e9a28ca012dd589e30a355a792392791933983bbf0

SHA512
d11f76751fb0ab2f1f9dcbf44abed06391301c1d1c005d0fb73ca0dd9caa72bc7c4813e0d41be9feff4ef381e4fe15d55c8ee637c79a18effb57688f9be17193

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/1dc40779bb8387b8_0

Filesize
426B

MD5
c07d7507c03bb4d253ab2167d85d889b

SHA1
993a9bf6018f41dea1035458c332ead67f421266

SHA256
4a4f655ed5b28fd7cab963e9a28ca012dd589e30a355a792392791933983bbf0

SHA512
d11f76751fb0ab2f1f9dcbf44abed06391301c1d1c005d0fb73ca0dd9caa72bc7c4813e0d41be9feff4ef381e4fe15d55c8ee637c79a18effb57688f9be17193

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/4c70d54a92cdffb7_0

Filesize
514B

MD5
d0493d3c4a8e6137aa8e26ff54a4183d

SHA1
faacc3d8daeef1216f1121f30205ca161f2b80fb

SHA256
20dd7a255bd273d4eee47bf8e6ddcf8f352655a727fe98f0ed86c5ec559d6daa

SHA512
62c54532d430a7a536cd010a72c05c154b343f27713558b78ee604053be95a14722e877ef4d27908e9a63ce2cfbf69adcec213e4ca278e5d8520266e5653bdb2

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/4c70d54a92cdffb7_0

Filesize
514B

MD5
d0493d3c4a8e6137aa8e26ff54a4183d

SHA1
faacc3d8daeef1216f1121f30205ca161f2b80fb

SHA256
20dd7a255bd273d4eee47bf8e6ddcf8f352655a727fe98f0ed86c5ec559d6daa

SHA512
62c54532d430a7a536cd010a72c05c154b343f27713558b78ee604053be95a14722e877ef4d27908e9a63ce2cfbf69adcec213e4ca278e5d8520266e5653bdb2

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/74a997b66d0f8136_0

Filesize
492B

MD5
226f67a9739004e14e2c06efa687f9f0

SHA1
c229ce9617f08c3e7a8206e73448ca0625808bf0

SHA256
800726bcbc84679265d57df2f28839b480f5abd922fb5781e5eef88a8b3146bb

SHA512
715af6a606bc40efb251af04469c84d870752609ffa185dc3f8ed66c6981d14aa614d2fe6e3b5741b99b40e2307fdc9f770c04a1722f2ea45338e8ed6e1da8b6

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/74a997b66d0f8136_0

Filesize
492B

MD5
226f67a9739004e14e2c06efa687f9f0

SHA1
c229ce9617f08c3e7a8206e73448ca0625808bf0

SHA256
800726bcbc84679265d57df2f28839b480f5abd922fb5781e5eef88a8b3146bb

SHA512
715af6a606bc40efb251af04469c84d870752609ffa185dc3f8ed66c6981d14aa614d2fe6e3b5741b99b40e2307fdc9f770c04a1722f2ea45338e8ed6e1da8b6

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

Filesize
96B

MD5
48483935a36c4d7071f23643ab1c3096

SHA1
9b161f7de731ff1e80a1e9b9c3a14c254e770727

SHA256
f401ec0f8024b66e9e6c6a041e97bcfcb0080f455f51e0dba1be2d6c968a659d

SHA512
6c3b8735c77e27ee9cf1b0d83d311312f31ed3a7ff92f15e420bea1a6849744e6d9184f3e5f9010119ac04c59c1ee16254b75195183ed2033644ac83fe6b44f3

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

Filesize
96B

MD5
c83c01d35887974ac91bf0d0060c368f

SHA1
4228296af190c9da129976efab134b7ca5ca2246

SHA256
816f30811377d8f7e3da3e86985bc82c4a00b3e7db263cc9c72346ef59126c0d

SHA512
2f7dede759b87d8ba1d874bc6ccd1ae4ccbdbdb38f30cd51ea82f1d9a39c83066981f53ab50b7f173845b2d36a0f4705da724961bb7db64145985e4d33379165

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/a63f6ad0ba0d5e6b_0

Filesize
61KB

MD5
a2e36305aab38507da47f57a9035b3bf

SHA1
e7e0a462588cd36a74a2f505b446ba88318aae44

SHA256
e27440b2d0f9a110d1f772f4c3b72eab44de680f0f65768508bbb78f52fd0f33

SHA512
eeb5103057f5223a9707792afb5d3b46cccd862a4d929a74dd45c603f1675b3d7b400aae27c4ae37126b16049288bff3f1d6b32b1ca4d735ad02370db98cb1a5

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/c4c671fa17cf644a_0

Filesize
472B

MD5
b7a81901d138938c2b6345078748c4dc

SHA1
62b46882c34544e670c1ab28f25479f1d6edc4d7

SHA256
21c0cca083c2d97aebf8177cddec34f581ee58381a6cd03f5b1a1005e48535c5

SHA512
90e8904a5c2da01d3cfdf0cc1d75a15e179f6c86bae11c1989d77308e0d798cf20865718a7b8fed0a34f2d03e06fdefe1ac8e4cd7a9f3c68960265e2d9e69dec

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/c4c671fa17cf644a_0

Filesize
472B

MD5
b7a81901d138938c2b6345078748c4dc

SHA1
62b46882c34544e670c1ab28f25479f1d6edc4d7

SHA256
21c0cca083c2d97aebf8177cddec34f581ee58381a6cd03f5b1a1005e48535c5

SHA512
90e8904a5c2da01d3cfdf0cc1d75a15e179f6c86bae11c1989d77308e0d798cf20865718a7b8fed0a34f2d03e06fdefe1ac8e4cd7a9f3c68960265e2d9e69dec

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/index

Filesize
48B

MD5
6d7d499960179766cd4261d12dacc411

SHA1
e6f8553b0015e12b23cc551afe98763f3b1c9bed

SHA256
c96ac03cfdbc6f4c1bdcdf764f1a6573f852e7aae5ef405969516b93ed271182

SHA512
6526c668477a01a850b8757b77dd3e7be27ad1991f5cf777685efcb03a21f31b71f6eae00f326931599baae4b16360e33e3d0f2894f1b2c1753391df02a14547

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/index-dir/temp-index

Filesize
288B

MD5
e6778c3dd055282c2c1921672822abb2

SHA1
aa54d96c9ab3f0d3204ddbf4080f52c3c005c3a1

SHA256
b0ee03d4531cc7a21cefb9ec8eff4a390dc075cd9af1939296138faae7ee7af6

SHA512
5056d2e7c40064be26519b0cf73ce95e366f1c214831afeefca96723b7e5ab3239b30f3bb42019bf8ce63ae5ca370e7a29378b2dea968fee6337214c59ef9b02

Download Submit
/data/user/0/com.zixudahitifo.gicu/cache/WebView/Default/HTTP Cache/index-dir/temp-index

Filesize
144B

MD5
63c03cd68116b0e621beea5886c7e5e6

SHA1
857d4bed48867efa9f4e65929feaf5701c172132

SHA256
ec61336d0fe9bfd88f1f3a9174f47e5d313f0e1c69a29152692243911cfa6a28

SHA512
9488a70e35aff28e9113f13abf56420592bb3eb005d74be61dc4a233825acb0f3fa1f5674576ab23acde4849a5f7de13c597322f696ff82f37a4a1f87c2f7469

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/data/user/0/com.zixudahitifo.gicu/cache/WebView/font_unique_name_table.pb

Filesize
57KB

MD5
f080fa2a56ab5479d58063e5ea871447

SHA1
4b3fd57a98916fa5784305b76ba30af26b5253d9

SHA256
0aa374bc456330fd1b5daf18d25b4bb8e2df1998dfa85466f2c31843ff56e815

SHA512
8aee3186a95b389d39882620b7c4199a29aa50580aa98a381b2931a934de6406943c89d4d00ebeabff21e2b03b4a4adcc01e37e32a2335c4838be24bdbf61936

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/data/user/0/com.zixudahitifo.gicu/shared_prefs/WebViewChromiumPrefs.xml

Filesize
127B

MD5
97ccd9a2b2063143df56b6937f961ca4

SHA1
5e78a91ae5df289ce83443cb7d5589dd3504fb5d

SHA256
248ff7928128015b1cfe3e6517c8f9b8c9511bfb8c8baf44fc1370640eac61fd

SHA512
86c05a5bb3d7eedea390664796966e9e5a5bf846c85808da54407788a76b3ee25b91428242a1e76d8765bfe51e1ba3636617fbab6e7dbb39fcc433e07c3fcd3b

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/data/user/0/com.zixudahitifo.gicu/shared_prefs/settings.xml

Filesize
134B

MD5
f770197dee8ab5ace13f325d8f7999fd

SHA1
c199cc8f2bc121a6ddb8d2b61922ed4c3797995b

SHA256
a98f1264aab26b21d005fecbb0db2e746bd2b24ae04c3dbae162f6436206e3cc

SHA512
de3ab342f0b02ab96e97bfc25a73dd250f4d699517b78b5a89d62ea2c136598046173f4b49ca3060b05b077420e26682eb0f1bbd2d1855f06331cb9180920897

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