eventbot | b2f671c810dde7918d17ae40369a56dffe7062493a059e81c5a54ed357fac495

General

Target
b2f671c810dde7918d17ae40369a56dffe7062493a059e81c5a54ed357fac495.apk
Size 1.9MB
Sample240208-1ycnesdb57
SHA256 b2f671c810dde7918d17ae40369a56dffe7062493a059e81c5a54ed357fac495
MD5 2b4ff678c31fe179cf7ddb951ce2d3dd
SHA1 a73227337fc2b00bea8d5ec3c0dd8156cc21c958
SHA512 f4f3760424e4c8d2faa7ef5d03c86ce627928fd3f0e79ad2294cb7a1c803765c0712d55d961e12e487c23fe057dfb28b8b3e67ce4a06fb72f70fa5aab0cce4a6
SSDEEP 49152:L+pFbSwFUbK72pKCpGdfG0f+W/6gJ74Dg3YNUNJU8R:ipFbJFUs20qyfx2S6o+g3ai
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

eventbot banker evasion infostealer overlay stealth trojan

Malware Config

Extracted

Family

eventbot

C2

http://ora.studiolegalebasili.com/gate_cb8a5aea1ab302f0_c
http://ora.carlaarrabitoarchitetto.com/gate_cb8a5aea1ab302f0_c

AES_key

RC4_key

Signatures

EventBot
A new Android banking trojan started to appear in March 2020.
banker trojan infostealer overlay eventbot

Makes use of the framework's Accessibility service 1 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.example.eventbot

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.example.eventbot

Removes its main activity from the application launcher 2 IoCs

stealth trojan

pid	Process
4633	com.example.eventbot
4633	com.example.eventbot

Loads dropped Dex/Jar 2 IoCs

Runs executable file dropped to the device during analysis.

ioc	pid	Process
/data/user/0/com.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar	4633	com.example.eventbot
/data/user/0/com.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar	4633	com.example.eventbot

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.example.eventbot

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

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.example.eventbot

com.example.eventbot
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
- Loads dropped Dex/Jar
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Uses Crypto APIs (Might try to encrypt user data)
PID:4633

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

f2d49596a51f0ed43a27f1f7f85117.jar

Path /data/user/0/com.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar
Size 46KB
SHA256 378dce8c0a1ea2ea03047f9eaf0c1b410056396f46732f2face099dd667dadcc
MD5 38ca39254f9a46db520398546dcaf6e6
SHA1 b704089ecd20514ce6674e5c1c93cef5df4ecce9
SHA512 cfc6972d5c6ceecccc3aa1bd786199b5ad14c0f6835b9a9072367a6d38575680b572483049f791101e96b41000b24b965a50cd18edb3da33709aa9e5818e482c
SSDEEP 768:evmki6ip/Vaq5y9rlw3pnIgz0gG1GOp9XF1x9THuhjVs5wS4LYMXRkDC5OHl0G2:evS/aGy9rq3pn30gIZXx9WTS4LY+RkmH
MD5 SHA1 SHA512 SSDEEP

Submit Download

f2d49596a51f0ed43a27f1f7f85117.jar

Path /data/user/0/com.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar
Size 99KB
SHA256 e4f86dd8ce933d454d95b373fe0362b58704207517b1aa0663391819150de9d7
MD5 4cfa48242962f332b1b3f94073210213
SHA1 f8672c1e699b460bcaf1a7f7dc9165a8af92284d
SHA512 965e6ba1ba3d748fd4b1e635e25248c5fa2fb0261e50d6a7e9fc84da0f1286ae01bdf134c301f6be58459854d23f8cd77c115ea80c6280dc96f0d7d4e31452bd
SSDEEP 3072:G0VWyUqHkAwFSjsKuBTzpRcOUfRsPWzXZ+a:PVAqHqBTzpRwUk/
MD5 SHA1 SHA512 SSDEEP

Download

f2d49596a51f0ed43a27f1f7f85117.jar.cur.prof

Path /data/user/0/com.example.eventbot/app_dex/oat/f2d49596a51f0ed43a27f1f7f85117.jar.cur.prof
Size 233B
SHA256 c605ba756e91a22946d7b6414fbbcb005b0be6c21a2fab30f6984d1c159d6a9f
MD5 66b4dea2aee5ae61c70d596d420ad512
SHA1 0575d6404e2eeb5f0fb6fdbec2d0e439403f7f87
SHA512 5e0bdf7bc95b9c68f1234b407c4cc4c2e8db79e82afb217396b077fcb7999df62eaf7e8c0528e58f3422abb5edb4bb0e8ae9de88d80d5290b91d90227e6e5216
MD5 SHA1 SHA512