blackrock | d8a4f7b3a7b23fdc6ebea7659b3e2143ed2271fe931fcd1a378c44f66b4c92c3

Analysis

max time kernel
2244633s
max time network
158s
platform
android_x86
resource
android-x86-arm-20220310-en
submitted
02-05-2022 15:35

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General

Target

d8a4f7b3a7b23fdc6ebea7659b3e2143ed2271fe931fcd1a378c44f66b4c92c3.apk
Size

2.8MB
MD5

c9da19102483bfe55b12ed2e0938a149
SHA1

b783ad969487708381b59732f16d14325c6f50a2
SHA256

d8a4f7b3a7b23fdc6ebea7659b3e2143ed2271fe931fcd1a378c44f66b4c92c3
SHA512

db8d61866180bfa7486f81de15f9d57d7fcc5ef5a5939dfec722a8f32c8d7f09ea989531702e0d2ba31040c5b511150f6fb90fcae98aafb01760da8180f3cefd

Score

10^/10

blackrock banker infostealer ransomware trojan

Malware Config

Signatures

BlackRock
BlackRock is an android banker based on Xerxes banking Trojan.
banker trojan infostealer blackrock

BlackRock Payload 5 IoCs

Processes:

resource	yara_rule
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json	family_blackrock
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json	family_blackrock
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json	family_blackrock
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json	family_blackrock
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json	family_blackrock

Makes use of the framework's Accessibility service. 1 IoCs

Processes:

achieve.hidden.someone

description	ioc	process
Framework service call	android.accessibilityservice.IAccessibilityServiceConnection.findAccessibilityNodeInfoByAccessibilityId	achieve.hidden.someone

Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps). 1 IoCs
banker

Processes:

achieve.hidden.someone:cproc

description ioc process

Framework service call android.content.pm.IPackageManager.getInstalledApplications achieve.hidden.someone:cproc
Acquires the wake lock. 1 IoCs

Processes:

achieve.hidden.someone

description ioc process

Framework service call android.os.IPowerManager.acquireWakeLock achieve.hidden.someone

description	ioc	process
Framework service call	android.content.pm.IPackageManager.getInstalledApplications	achieve.hidden.someone:cproc

description	ioc	process
Framework service call	android.os.IPowerManager.acquireWakeLock	achieve.hidden.someone

Loads dropped Dex/Jar 5 IoCs

Runs executable file dropped to the device during analysis.

Processes:

achieve.hidden.someone/system/bin/dex2oat --debuggable --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 --debuggable --generate-mini-debug-info --dex-file=/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/achieve.hidden.someone/app_DynamicOptDex/oat/x86/XBo.odex --compiler-filter=quicken --class-loader-context=&achieve.hidden.someone:cproc

ioc	pid	process
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json	5134	achieve.hidden.someone
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json	5182	/system/bin/dex2oat --debuggable --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 --debuggable --generate-mini-debug-info --dex-file=/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/achieve.hidden.someone/app_DynamicOptDex/oat/x86/XBo.odex --compiler-filter=quicken --class-loader-context=&
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json	5134	achieve.hidden.someone
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json	5237	achieve.hidden.someone:cproc
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json	5237	achieve.hidden.someone:cproc

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

Processes:

achieve.hidden.someone:cproc

description ioc process

Framework API call javax.crypto.Cipher.doFinal achieve.hidden.someone:cproc

description	ioc	process
Framework API call	javax.crypto.Cipher.doFinal	achieve.hidden.someone:cproc

achieve.hidden.someone
1⤵
- Makes use of the framework's Accessibility service.
- Acquires the wake lock.
- Loads dropped Dex/Jar
PID:5134
- /system/bin/dex2oat --debuggable --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 --debuggable --generate-mini-debug-info --dex-file=/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json --output-vdex-fd=42 --oat-fd=43 --oat-location=/data/user/0/achieve.hidden.someone/app_DynamicOptDex/oat/x86/XBo.odex --compiler-filter=quicken --class-loader-context=&
  2⤵
  - Loads dropped Dex/Jar
  PID:5182

achieve.hidden.someone:cproc
1⤵
- Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).
- Loads dropped Dex/Jar
- Uses Crypto APIs (Might try to encrypt user data).
PID:5237

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json

Filesize
503KB

MD5
574c59418371b4da099c2f07c43f64ac

SHA1
c7136c97efe2e7efe088f38b6a89b45f503f0541

SHA256
21ae6d1525928c29502becc16b624675b7af816bf5f08d39f499f7fb52bed5db

SHA512
8ec04f42aa3482314c3ef7521d83005471e456f6c21b4d8d521d4eac1220c4e416260730098844500f2a3927872822c2f617c80eaf3c0d9f39cfff0c8bd3d84f

Download Submit
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json

Filesize
503KB

MD5
2a66851d3d73f2327b74f3d4b94ee6bf

SHA1
466818701217351cda42f8a7be98e0b3e8dc32e6

SHA256
e46820614cc044fc10bb7f0b30eefcfb8cf4456fdb2290ae82956593b1319265

SHA512
8b4fb234752fc8950ab811864865026515350dce62e758419cb8a5e260361bed604e616357353c0ecea034226a947bb616b7fa789efac2f1bac96b2afbcd2998

Download Submit
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json

Filesize
503KB

MD5
2a66851d3d73f2327b74f3d4b94ee6bf

SHA1
466818701217351cda42f8a7be98e0b3e8dc32e6

SHA256
e46820614cc044fc10bb7f0b30eefcfb8cf4456fdb2290ae82956593b1319265

SHA512
8b4fb234752fc8950ab811864865026515350dce62e758419cb8a5e260361bed604e616357353c0ecea034226a947bb616b7fa789efac2f1bac96b2afbcd2998

Download Submit
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json

Filesize
503KB

MD5
2a66851d3d73f2327b74f3d4b94ee6bf

SHA1
466818701217351cda42f8a7be98e0b3e8dc32e6

SHA256
e46820614cc044fc10bb7f0b30eefcfb8cf4456fdb2290ae82956593b1319265

SHA512
8b4fb234752fc8950ab811864865026515350dce62e758419cb8a5e260361bed604e616357353c0ecea034226a947bb616b7fa789efac2f1bac96b2afbcd2998

Download Submit
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json

Filesize
503KB

MD5
2a66851d3d73f2327b74f3d4b94ee6bf

SHA1
466818701217351cda42f8a7be98e0b3e8dc32e6

SHA256
e46820614cc044fc10bb7f0b30eefcfb8cf4456fdb2290ae82956593b1319265

SHA512
8b4fb234752fc8950ab811864865026515350dce62e758419cb8a5e260361bed604e616357353c0ecea034226a947bb616b7fa789efac2f1bac96b2afbcd2998

Download Submit
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json

Filesize
503KB

MD5
2a66851d3d73f2327b74f3d4b94ee6bf

SHA1
466818701217351cda42f8a7be98e0b3e8dc32e6

SHA256
e46820614cc044fc10bb7f0b30eefcfb8cf4456fdb2290ae82956593b1319265

SHA512
8b4fb234752fc8950ab811864865026515350dce62e758419cb8a5e260361bed604e616357353c0ecea034226a947bb616b7fa789efac2f1bac96b2afbcd2998

Download Submit
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json.x86.flock

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/XBo.json.x86.flock

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/oat/XBo.json.cur.prof

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/oat/x86/XBo.odex

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit
/data/user/0/achieve.hidden.someone/app_DynamicOptDex/oat/x86/XBo.vdex

MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit