flubot | fc45b5f85cee56830a9f7e3001dca42026a9691445afa8f429b57203fc47a1b2

General

Target

fc45b5f85cee56830a9f7e3001dca42026a9691445afa8f429b57203fc47a1b2.apk
Size

3.3MB
MD5

af9f032aecbb2c3a4f5eed9b5f675419
SHA1

a0ab0777891553d9c1dced5fdafe2b9e1d5b341e
SHA256

fc45b5f85cee56830a9f7e3001dca42026a9691445afa8f429b57203fc47a1b2
SHA512

abec508e52c01e4b2dd822d029629eb82304faba5b8f43c0cb3566f17490ef82e644ff5e270bcfdc595d49e81ca54d40e1c59341f659e5a66bf9f97792fbe2ed

Score

10^/10

flubot banker discovery 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
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip	family_flubot
/data/user/0/com.tencent.qqmusic/code_cache/secondary-dexes/base.apk.classes1.zip	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. 1 IoCs

Processes:

com.tencent.qqmusic

description	ioc	process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	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	5198	/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	5148	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
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

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
- Uses Crypto APIs (Might try to encrypt user data).
PID:5148
- /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:5198

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
27379556444fc08020692572e967528e

SHA1
e98aba77f9fabaeed582c6b52de050f010a5b49f

SHA256
3ccfc2d60ce8334446368ffb790a5b523cb1c3a21a1d15b75d50cf2084fb7fd9

SHA512
f8f36bcf84119169d721082de6ad14fdb76368a0f85862e02b6595b6c806cdbb05d5878f7f2af46bcea465f50c9957b0ea7375796167a2131634f64a1ddd6626

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

Filesize
2.4MB

MD5
8ea2dc64e9e7a2740c3e5effe242615e

SHA1
39882a484ee4dbb7ef46554893ce7822b5656eb1

SHA256
d52975758f8799644df1ab42958abe05c3cbb3bd2b436d4ec5c18c2961747300

SHA512
d598e0cd00e0cb25d3a6db7d9ca4226929f843647ccd08dacc0ff40d842d6dfbc3cb00760692787f21cc178d1b76c4ae1db67f44ff7615c66c6f46b705108390

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.classes5280723755539938876.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
a657142eaff642b8f01b400b21f57abb

SHA1
dd1cfcd25027dc4f0dce8ce6499759d685887822

SHA256
fa56de246b3179ff811a537eee58210a7e14925caf781c7803e11be946a21cb3

SHA512
ac2434c72f7bb85178fa09025de3bf9be7371a895ca621c004107c07444e70d988579a1e89219228daf19e6a01355108175e7471bea1a7feccbba1383d4c20f9

Download Submit

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads