flubot | 3ec1b74353184b1062fab6c4e9d7d9374c9c346f7cfcb7fcb7df29588e4900b3

General

Target

3ec1b74353184b1062fab6c4e9d7d9374c9c346f7cfcb7fcb7df29588e4900b3.apk
Size

3.5MB
MD5

2e7e20a709b93adff083384b97c1f3a2
SHA1

566a447f94f2d8963f7975366318b4f2f6559363
SHA256

3ec1b74353184b1062fab6c4e9d7d9374c9c346f7cfcb7fcb7df29588e4900b3
SHA512

c45d62340ca560fde7fc3e206302c7d60c118eb45e3d21b0825989932e6f3b80b05e5d8798132a7767ee4d3b1a74ba9e7b92437560a734b62fbedb959b2daa48
SSDEEP

98304:kAudz4sglnj1eRNp5MVDEsE6JzeYM648xvaSQftmOTApKrB:kAdsuxaNwVDap8xXQfUoB

Score

10^/10

flubot banker collection credential_access discovery evasion impact infostealer persistence trojan

Malware Config

Signatures

FluBot
FluBot is an android banking trojan that uses overlays.
banker trojan infostealer flubot

FluBot payload 2 IoCs

resource	yara_rule
behavioral1/files/fstream-5.dat	family_flubot
behavioral1/memory/4255-3.dex	family_flubot

Loads dropped Dex/Jar 1 TTPs 6 IoCs

Runs executable file dropped to the device during analysis.

evasion

Download New Code at Runtime

T1407

ioc	pid	Process
/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_apkprotector_dex/classes-v1.bin	4255	kqjeg.eqihgoeg.vjkqeg
/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_apkprotector_dex/classes-v1.bin	4280	/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_apkprotector_dex/classes-v1.bin --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_apkprotector_dex/oat/x86/classes-v1.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_apkprotector_dex/classes-v1.bin	4255	kqjeg.eqihgoeg.vjkqeg
/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_ded/VaNoNC09N73U4RAQhsF92soXVw40QI7j.dex	4255	kqjeg.eqihgoeg.vjkqeg
/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_ded/VaNoNC09N73U4RAQhsF92soXVw40QI7j.dex	4305	/system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_ded/VaNoNC09N73U4RAQhsF92soXVw40QI7j.dex --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_ded/oat/x86/VaNoNC09N73U4RAQhsF92soXVw40QI7j.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_ded/VaNoNC09N73U4RAQhsF92soXVw40QI7j.dex	4255	kqjeg.eqihgoeg.vjkqeg

Makes use of the framework's Accessibility service 4 TTPs 3 IoCs

Retrieves information displayed on the phone screen using AccessibilityService.

collection evasion credential_access

Input Injection

T1516

Screen Capture

T1513

Keylogging

T1417.001

GUI Input Capture

T1417.002

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	kqjeg.eqihgoeg.vjkqeg
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	kqjeg.eqihgoeg.vjkqeg
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	kqjeg.eqihgoeg.vjkqeg

Makes use of the framework's foreground persistence service 1 TTPs 1 IoCs

Application may abuse the framework's foreground service to continue running in the foreground.

evasion persistence

Foreground Persistence

T1541

description	ioc	Process
Framework service call	android.app.IActivityManager.setServiceForeground	kqjeg.eqihgoeg.vjkqeg

Performs UI accessibility actions on behalf of the user 1 TTPs 2 IoCs

Application may abuse the accessibility service to prevent their removal.

evasion

Prevent Application Removal

T1629.001

ioc	Process
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	kqjeg.eqihgoeg.vjkqeg
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	kqjeg.eqihgoeg.vjkqeg

Queries information about active data network 1 TTPs 1 IoCs

discovery

System Network Connections Discovery

T1421

description	ioc	Process
Framework service call	android.net.IConnectivityManager.getActiveNetworkInfo	kqjeg.eqihgoeg.vjkqeg

Requests changing the default SMS application. 2 TTPs 1 IoCs

collection impact

SMS Messages

T1636.004

SMS Control

T1582

description	ioc	Process
Intent action	android.provider.Telephony.ACTION_CHANGE_DEFAULT	kqjeg.eqihgoeg.vjkqeg

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

evasion

User Evasion

T1628.002

description	ioc	Process
Intent action	android.settings.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS	kqjeg.eqihgoeg.vjkqeg

Requests enabling of the accessibility settings. 1 IoCs

description	ioc	Process
Intent action	android.settings.ACCESSIBILITY_SETTINGS	kqjeg.eqihgoeg.vjkqeg

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

impact

Data Encrypted for Impact

T1471

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	kqjeg.eqihgoeg.vjkqeg

kqjeg.eqihgoeg.vjkqeg
1⤵
- Loads dropped Dex/Jar
- Makes use of the framework's Accessibility service
- Makes use of the framework's foreground persistence service
- Performs UI accessibility actions on behalf of the user
- Queries information about active data network
- Requests changing the default SMS application.
- Requests disabling of battery optimizations (often used to enable hiding in the background).
- Requests enabling of the accessibility settings.
- Uses Crypto APIs (Might try to encrypt user data)
PID:4255
- /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_apkprotector_dex/classes-v1.bin --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_apkprotector_dex/oat/x86/classes-v1.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4280
- /system/bin/dex2oat --instruction-set=x86 --instruction-set-features=ssse3,-sse4.1,-sse4.2,-avx,-avx2,-popcnt --runtime-arg -Xhidden-api-checks --runtime-arg -Xrelocate --boot-image=/system/framework/boot.art --runtime-arg -Xms64m --runtime-arg -Xmx512m --instruction-set-variant=x86 --instruction-set-features=default --inline-max-code-units=0 --compact-dex-level=none --dex-file=/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_ded/VaNoNC09N73U4RAQhsF92soXVw40QI7j.dex --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_ded/oat/x86/VaNoNC09N73U4RAQhsF92soXVw40QI7j.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4305

Network

MITRE ATT&CK Mobile v15

Initial Access

Execution

Persistence

Foreground Persistence

1

T1541

Privilege Escalation

Defense Evasion

Download New Code at Runtime

1

T1407

Foreground Persistence

1

T1541

Hide Artifacts

1

T1628

User Evasion

1

T1628.002

Impair Defenses

1

T1629

Prevent Application Removal

Input Injection

Credential Access

Input Capture

2

T1417

GUI Input Capture

1

T1417.002

Keylogging

1

T1417.001

Discovery

System Network Connections Discovery

1

T1421

Lateral Movement

Collection

Input Capture

2

T1417

GUI Input Capture

1

T1417.002

Keylogging

1

T1417.001

Protected User Data

1

T1636

SMS Messages

Screen Capture

Command and Control

Exfiltration

Impact

Data Encrypted for Impact

Input Injection

SMS Control

Replay Monitor

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Downloads

/data/data/kqjeg.eqihgoeg.vjkqeg/app_apkprotector_dex/classes-v1.bin

Filesize
120KB

MD5
c384c5cdaf8f3edfa29389f2de2effea

SHA1
5e5dad9692cf5794e3ff7b99a64e6555399bc56f

SHA256
0f145035801825a43c9aba19597cb6ee6737088c4f058a66d6b87f144a046062

SHA512
7ea82780f2a46f8c297a35c16bb2e51136d4297fd2c4e6409b595b97d9490dfd65d00352a07ca6cd86b4f2fbfceeb5ab8d15f515395104be61629af56046c780

Download Submit
/data/data/kqjeg.eqihgoeg.vjkqeg/app_ded/VaNoNC09N73U4RAQhsF92soXVw40QI7j.dex

Filesize
2.2MB

MD5
ce2eb8049c1923184bef0fa1b0bccf18

SHA1
73fbf4bd370c0b0e716c70dde6384f989f36fecb

SHA256
6f000d1cbf06afe380dc8c952c26831af18289d0a7fd91d9f8c64325edbce743

SHA512
f64350b1e6c4f7508c0804d911f5ce13883dbd20421ed71d57a1a954e6d6476e398d97317e437b7a82dbe1ca297d9e617f6ab0474111bceb12601aa5ff18d161

Download Submit
/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_apkprotector_dex/classes-v1.bin

Filesize
120KB

MD5
5e0ca1f47d3a8db8a8124c2cc1764665

SHA1
4b12e946982d6734639b598e1c07de978742d57d

SHA256
82bda6c0b3a3a18143df2b9719f11a455bee95300adb6eec16ec3c0cb210edf9

SHA512
447bcbf794f066e711e7d3f517c04d15ec705e4e1e271d82428abb467c888fb3ee5dc235192087f2df7f57baea974a2feb862671f4eb81605468962ace39712b

Download Submit
/data/user/0/kqjeg.eqihgoeg.vjkqeg/app_ded/VaNoNC09N73U4RAQhsF92soXVw40QI7j.dex

Filesize
2.2MB

MD5
c8c15537102319176aee7763d7560c7c

SHA1
316a8241f8308f9f26b30e762c16dd32b7fa2b9f

SHA256
56f5757736ee6acd438fbea1ac262d0945ef484643fbbc748a7aa45ab2413308

SHA512
2949f6b172e5662bd2eb7acb567f1ca83039559415304ddf23f1edb48099dadb69682bdca7b095d8c9422674acac9dd8e34ebcce8c037318e0cceadd35b5778e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads