flubot | 60b7618ea26fed37e057879431f9ddb6930acf0631d9da48dde59b48886a12a2

General

Target

60b7618ea26fed37e057879431f9ddb6930acf0631d9da48dde59b48886a12a2.apk
Size

3.4MB
MD5

14427b9b5ab7eb1158c86d25dda6d9bb
SHA1

45b9ff95113a7568f350890dd18f1e73bea79381
SHA256

60b7618ea26fed37e057879431f9ddb6930acf0631d9da48dde59b48886a12a2
SHA512

379da9d400c6cd9de7fc5cfa2a489729d8edbc57219fc21dc17cfd9c277668e894c5ff9bb2703fab3a3eb72618f7bc63b508c7b7e25a10f69e69c1e5c16eda5b
SSDEEP

98304:xI5taVq4f4r+S7zDCIJRBU2vL6hpZjZF2v:m5taVJf4rJ7XCIJwQ27lE

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/4253-3.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/sfgh.ktjhg.rtyui/app_apkprotector_dex/classes-v1.bin	4253	sfgh.ktjhg.rtyui
/data/user/0/sfgh.ktjhg.rtyui/app_apkprotector_dex/classes-v1.bin	4279	/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/sfgh.ktjhg.rtyui/app_apkprotector_dex/classes-v1.bin --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/sfgh.ktjhg.rtyui/app_apkprotector_dex/oat/x86/classes-v1.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/sfgh.ktjhg.rtyui/app_apkprotector_dex/classes-v1.bin	4253	sfgh.ktjhg.rtyui
/data/user/0/sfgh.ktjhg.rtyui/app_ded/mtmCRHumiuKyfvyAO4NETUNpX3S1uJKM.dex	4253	sfgh.ktjhg.rtyui
/data/user/0/sfgh.ktjhg.rtyui/app_ded/mtmCRHumiuKyfvyAO4NETUNpX3S1uJKM.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/sfgh.ktjhg.rtyui/app_ded/mtmCRHumiuKyfvyAO4NETUNpX3S1uJKM.dex --output-vdex-fd=43 --oat-fd=44 --oat-location=/data/user/0/sfgh.ktjhg.rtyui/app_ded/oat/x86/mtmCRHumiuKyfvyAO4NETUNpX3S1uJKM.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/sfgh.ktjhg.rtyui/app_ded/mtmCRHumiuKyfvyAO4NETUNpX3S1uJKM.dex	4253	sfgh.ktjhg.rtyui

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	sfgh.ktjhg.rtyui
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	sfgh.ktjhg.rtyui
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	sfgh.ktjhg.rtyui

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	sfgh.ktjhg.rtyui

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	sfgh.ktjhg.rtyui
android.accessibilityservice.IAccessibilityServiceConnection.performGlobalAction	sfgh.ktjhg.rtyui

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	sfgh.ktjhg.rtyui

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	sfgh.ktjhg.rtyui

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	sfgh.ktjhg.rtyui

Requests enabling of the accessibility settings. 1 IoCs

description	ioc	Process
Intent action	android.settings.ACCESSIBILITY_SETTINGS	sfgh.ktjhg.rtyui

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	sfgh.ktjhg.rtyui

sfgh.ktjhg.rtyui
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:4253
- /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/sfgh.ktjhg.rtyui/app_apkprotector_dex/classes-v1.bin --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/sfgh.ktjhg.rtyui/app_apkprotector_dex/oat/x86/classes-v1.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:4279
- /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/sfgh.ktjhg.rtyui/app_ded/mtmCRHumiuKyfvyAO4NETUNpX3S1uJKM.dex --output-vdex-fd=43 --oat-fd=44 --oat-location=/data/user/0/sfgh.ktjhg.rtyui/app_ded/oat/x86/mtmCRHumiuKyfvyAO4NETUNpX3S1uJKM.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/sfgh.ktjhg.rtyui/app_apkprotector_dex/classes-v1.bin

Filesize
120KB

MD5
c384c5cdaf8f3edfa29389f2de2effea

SHA1
5e5dad9692cf5794e3ff7b99a64e6555399bc56f

SHA256
0f145035801825a43c9aba19597cb6ee6737088c4f058a66d6b87f144a046062

SHA512
7ea82780f2a46f8c297a35c16bb2e51136d4297fd2c4e6409b595b97d9490dfd65d00352a07ca6cd86b4f2fbfceeb5ab8d15f515395104be61629af56046c780

Download Submit
/data/data/sfgh.ktjhg.rtyui/app_ded/mtmCRHumiuKyfvyAO4NETUNpX3S1uJKM.dex

Filesize
2.2MB

MD5
3db42b2ebfc3ab8c0140f19d7e7d6aff

SHA1
478862033e0cf2cd08d062316d343752c18eeb75

SHA256
fa27c11282db5403a59b380bf9f55012a60d034dacb8c90a6046c0d2be28446e

SHA512
bd9b6c1ca365a196595cb0de04f3650e1ebc9e1f7cfd2f0e4cd84d222159338a5c45d470ca390b50c2b10606b8996f92ba56d0b50c48fb56a0dcc8820798f3da

Download Submit
/data/user/0/sfgh.ktjhg.rtyui/app_apkprotector_dex/classes-v1.bin

Filesize
120KB

MD5
5e0ca1f47d3a8db8a8124c2cc1764665

SHA1
4b12e946982d6734639b598e1c07de978742d57d

SHA256
82bda6c0b3a3a18143df2b9719f11a455bee95300adb6eec16ec3c0cb210edf9

SHA512
447bcbf794f066e711e7d3f517c04d15ec705e4e1e271d82428abb467c888fb3ee5dc235192087f2df7f57baea974a2feb862671f4eb81605468962ace39712b

Download Submit
/data/user/0/sfgh.ktjhg.rtyui/app_ded/mtmCRHumiuKyfvyAO4NETUNpX3S1uJKM.dex

Filesize
2.2MB

MD5
9fa2ceb02fb54e9cfc3e7ecadb0fe6c3

SHA1
e098a6ca19889a16e62dea817b1aa9dfd8f7a0f0

SHA256
cd805b58b4b96318ebad1b57a22618fdf2e510a4b9fe02a53fe67518c57f7420

SHA512
3b571800e09ca6434abe929330ab799badbe57422a7e0f4ef2ac70de299a3a035c80156c6fd95dc4666a4134c44a9d2eac41ff9a541df86c7f991c42faef439e

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Mobile v15

Replay Monitor

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Downloads