flubot | 44ea6e68941e2f3716ecaa178775d5e81008edc7a969d40c90baf85a862a7a57

General

Target

44ea6e68941e2f3716ecaa178775d5e81008edc7a969d40c90baf85a862a7a57.apk
Size

3.3MB
MD5

2455e88ae54546cea448f901dd8127da
SHA1

55114bedf297893bc3022414796515e2df79d5ae
SHA256

44ea6e68941e2f3716ecaa178775d5e81008edc7a969d40c90baf85a862a7a57
SHA512

9898801d5df8c20f6c1bc06e3233a51d461cd581b4b1989a7f184809bfd92f8e47a6dcdedf11a8209e767377b4917661af75544d8ddf3ae08175aa254e027abd

Score

10^/10

flubot banker discovery evasion infostealer ransomware suricata trojan

Malware Config

Signatures

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

FluBot Payload 2 IoCs

Processes:

resource	yara_rule
behavioral1/memory/5428-0.dex	family_flubot
behavioral1/memory/5386-0.dex	family_flubot

suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata: ET MALWARE Possible Compromised Host AnubisNetworks Sinkhole Cookie Value Snkz
suricata
suricata: ET MALWARE Possible Zeus GameOver/FluBot Related DGA NXDOMAIN Responses
suricata: ET MALWARE Possible Zeus GameOver/FluBot Related DGA NXDOMAIN Responses
suricata

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

Processes:

com.tencent.qqmusic

description	ioc	Process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByText	com.tencent.qqmusic
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	com.tencent.qqmusic
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfosByViewId	com.tencent.qqmusic

Loads dropped Dex/Jar 2 IoCs

Runs executable file dropped to the device during analysis.

Processes:

/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/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex --compiler-filter=quicken --class-loader-context=&com.tencent.qqmusic

ioc	pid	Process
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip	5428	/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/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip	5386	com.tencent.qqmusic

Creates a large amount of network flows 1 TTPs
This may indicate a network scan to discover remotely running services.
discovery

Network Service Scanning
T1046

Removes a system notification. 1 IoCs

evasion

Processes:

com.tencent.qqmusic

description	ioc	Process
Framework service call	android.app.INotificationManager.cancelNotificationWithTag	com.tencent.qqmusic

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

ransomware

Processes:

com.tencent.qqmusic

description	ioc	Process
Framework API call	javax.crypto.Cipher.doFinal	com.tencent.qqmusic

com.tencent.qqmusic
1⤵
- Makes use of the framework's Accessibility service.
- Loads dropped Dex/Jar
- Removes a system notification.
- Uses Crypto APIs (Might try to encrypt user data).
PID:5386
- /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/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip --output-vdex-fd=44 --oat-fd=45 --oat-location=/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:5428

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Scanning

1

T1046

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/MultiDex.lock

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip

Filesize
2.4MB

MD5
0e02c8e87758a60b64bbaf52bc7cad54

SHA1
0910148be80155d459ec576d12b76e0411713c2a

SHA256
0b81e5c25b989cae35a65962a71f2f6e64f947d26b545aa9516ab1ed0d9a6cc4

SHA512
61af9a04e7d09a810daf4d1581501037b244ad06d36d2d081388888503129584f9cd11c63fd9003940b353937f1a8f0b4c9ef6cb7cf774f11b7dc29348219959

Download Submit
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip

Filesize
2.4MB

MD5
8c1e1e8fd268c6ef44c8e8d77f590f25

SHA1
12ce51dd7ab27c0a202bb85c95b441b2f90970bb

SHA256
2047fe3136788eb566b1057d5aff87d91f337d16566e0c28f67c381c2f10d014

SHA512
c6999e0b2a4c055b203dc9212f2c89659a6e689262438896d9ef2e895fb27175dabced1368b3b6c748a4b17eb5395673ddd9eba0021b994ecd4c2c14040a43db

Download Submit
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip.x86.flock

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/oat/x86/base.apk.classes1.odex

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/oat/x86/base.apk.classes1.vdex

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/tmp-base.apk.classes4761794208588142541.zip

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/com.tencent.qqmusic/shared_prefs/multidex.version.xml

Filesize
307B

MD5
c6f4522fa280877e9607f07c309c58f9

SHA1
f24f9b39dc8da6f452e3a8fc4beebc20ff980c99

SHA256
3107397b54f292fd6595648c819d079dd15fb30a1ff21b98c739ba58a12d8566

SHA512
1ef56fee6dafbd71bac3b49361ea8f48a9c9a6b0988cd412faab7d35cae32878ba581020cf725f9aa413c15d3c99c95dfb5657ec294bececb9b06273fab6324a

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads