eventbot | 7b1ac3a8caa556c9208d4db62395cca2f8a53420e5d51a1537bc45622e41b63f

General

Target

7F5D728119951839B46895808107B281.apk
Size

1.9MB
MD5

7f5d728119951839b46895808107b281
SHA1

137219a5de551d2594899c3d208cdf9d1dbc43ab
SHA256

7b1ac3a8caa556c9208d4db62395cca2f8a53420e5d51a1537bc45622e41b63f
SHA512

20eb55e3fa949ec483bc7159ae0cfc7b7a6386771191f75e928be95607ba02aca40c03f5174981ae8911e7ebc057a84c64abbad6cb1cbf8ffd8c9d178ea8e7c8
SSDEEP

49152:T5GYWYc+DBlh8AJN7FA7Op6o4sY4sYe1hYIdh3GhUpeBw:VRDc+DhrpX3Y4szhr3aw

Score

10^/10

eventbot banker collection credential_access discovery evasion impact infostealer overlay stealth trojan

Malware Config

Extracted

Family

eventbot

C2

http://ora.studiolegalebasili.com/gate_cb8a5aea1ab302f0_c

http://ora.carlaarrabitoarchitetto.com/gate_cb8a5aea1ab302f0_c

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 4 TTPs 1 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

T1516

T1513

T1417.001

T1417.002

Processes:

com.example.eventbot

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 TTPs
banker discovery

T1418.001
Removes its main activity from the application launcher 1 TTPs 2 IoCs
stealth trojan evasion

T1628.001

Processes:

com.example.eventbot

pid process

4549 com.example.eventbot
4549 com.example.eventbot

pid	process
4549	com.example.eventbot
4549	com.example.eventbot

Loads dropped Dex/Jar 1 TTPs 2 IoCs

Runs executable file dropped to the device during analysis.

evasion

T1407

Processes:

com.example.eventbot

ioc	pid	process
/data/user/0/com.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar	4549	com.example.eventbot
/data/user/0/com.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar	4549	com.example.eventbot

Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
evasion

T1628.002

Processes:

com.example.eventbot

description ioc process

Intent action android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS com.example.eventbot
Uses Crypto APIs (Might try to encrypt user data) 1 TTPs 1 IoCs
impact

T1471

Processes:

com.example.eventbot

description ioc process

Framework API call javax.crypto.Cipher.doFinal com.example.eventbot

description	ioc	process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	com.example.eventbot

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
- 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:4549

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/com.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar
Filesize
46KB

MD5
38ca39254f9a46db520398546dcaf6e6

SHA1
b704089ecd20514ce6674e5c1c93cef5df4ecce9

SHA256
378dce8c0a1ea2ea03047f9eaf0c1b410056396f46732f2face099dd667dadcc

SHA512
cfc6972d5c6ceecccc3aa1bd786199b5ad14c0f6835b9a9072367a6d38575680b572483049f791101e96b41000b24b965a50cd18edb3da33709aa9e5818e482c

Download Submit
/data/user/0/com.example.eventbot/app_dex/f2d49596a51f0ed43a27f1f7f85117.jar
Filesize
99KB

MD5
4cfa48242962f332b1b3f94073210213

SHA1
f8672c1e699b460bcaf1a7f7dc9165a8af92284d

SHA256
e4f86dd8ce933d454d95b373fe0362b58704207517b1aa0663391819150de9d7

SHA512
965e6ba1ba3d748fd4b1e635e25248c5fa2fb0261e50d6a7e9fc84da0f1286ae01bdf134c301f6be58459854d23f8cd77c115ea80c6280dc96f0d7d4e31452bd

Download Submit
/data/user/0/com.example.eventbot/app_dex/oat/f2d49596a51f0ed43a27f1f7f85117.jar.cur.prof
Filesize
233B

MD5
66b4dea2aee5ae61c70d596d420ad512

SHA1
0575d6404e2eeb5f0fb6fdbec2d0e439403f7f87

SHA256
c605ba756e91a22946d7b6414fbbcb005b0be6c21a2fab30f6984d1c159d6a9f

SHA512
5e0bdf7bc95b9c68f1234b407c4cc4c2e8db79e82afb217396b077fcb7999df62eaf7e8c0528e58f3422abb5edb4bb0e8ae9de88d80d5290b91d90227e6e5216

Download Submit

Analysis

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