Analysis

  • max time kernel
    147s
  • max time network
    158s
  • platform
    android_x86
  • resource
    android-x86-arm-20240624-en
  • resource tags

    androidarch:armarch:x86image:android-x86-arm-20240624-enlocale:en-usos:android-9-x86system
  • submitted
    11-11-2024 22:01

General

  • Target

    6ad2691cec280e4eafff211113adbc063089e30855daa4382e69bf031bc14a83.apk

  • Size

    4.2MB

  • MD5

    0fe3b8a38217d77be4935ffb62cc30f9

  • SHA1

    c193c42204c1f8bd2feac4eacbaf08bf4a6a5a3d

  • SHA256

    6ad2691cec280e4eafff211113adbc063089e30855daa4382e69bf031bc14a83

  • SHA512

    67c21e3db4f93f756c48cedb127f19c4f3f701f0abce20a6a81d338a1d6b2863845ce341623ba42ee3443868cabaf5d45f8cf1325cf19567670672205666859d

  • SSDEEP

    98304:1856qVvPKFINLj+B1l8V3cHzun1/ZkZQo44Eb:u3NR01l85cS1/yGlz

Malware Config

Extracted

Family

hook

C2

http://94.141.120.34

DES_key
AES_key

Signatures

  • Hook

    Hook is an Android malware that is based on Ermac with RAT capabilities.

  • Hook family
  • Loads dropped Dex/Jar 1 TTPs 3 IoCs

    Runs executable file dropped to the device during analysis.

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

    Retrieves information displayed on the phone screen using AccessibilityService.

  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps) 1 TTPs
  • Queries information about running processes on the device 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about running processes on the device.

  • Queries the phone number (MSISDN for GSM devices) 1 TTPs
  • Acquires the wake lock 1 IoCs
  • 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.

  • Performs UI accessibility actions on behalf of the user 1 TTPs 8 IoCs

    Application may abuse the accessibility service to prevent their removal.

  • Queries information about the current Wi-Fi connection 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to collect information about the current Wi-Fi connection.

  • Queries the mobile country code (MCC) 1 TTPs 1 IoCs
  • Reads information about phone network operator. 1 TTPs
  • Requests accessing notifications (often used to intercept notifications before users become aware). 1 TTPs 1 IoCs
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 TTPs 1 IoCs
  • Registers a broadcast receiver at runtime (usually for listening for system events) 1 TTPs 1 IoCs
  • Schedules tasks to execute at a specified time 1 TTPs 1 IoCs

    Application may abuse the framework's APIs to perform task scheduling for initial or recurring execution of malicious code.

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

Processes

  • com.fcghuasqt.cotcrxzol
    1⤵
    • Loads dropped Dex/Jar
    • Makes use of the framework's Accessibility service
    • Queries information about running processes on the device
    • Acquires the wake lock
    • Makes use of the framework's foreground persistence service
    • Performs UI accessibility actions on behalf of the user
    • Queries information about the current Wi-Fi connection
    • Queries the mobile country code (MCC)
    • Requests accessing notifications (often used to intercept notifications before users become aware).
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Registers a broadcast receiver at runtime (usually for listening for system events)
    • Schedules tasks to execute at a specified time
    • Uses Crypto APIs (Might try to encrypt user data)
    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/com.fcghuasqt.cotcrxzol/app_dex/classes.dex --output-vdex-fd=41 --oat-fd=42 --oat-location=/data/user/0/com.fcghuasqt.cotcrxzol/app_dex/oat/x86/classes.odex --compiler-filter=quicken --class-loader-context=&
      2⤵
      • Loads dropped Dex/Jar
      PID:4310

Network

MITRE ATT&CK Mobile v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/data/com.fcghuasqt.cotcrxzol/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    d5e525a5383d83e0192418408d726e68

    SHA1

    88a20733bf3e31a3cc8115ecf9468a6f7d8c3066

    SHA256

    eb5e87c5bc8954d4ead3b88f1858b4d68d3e0966e632b1c36c9c897f01313161

    SHA512

    db158c02d0e411a80d58ef183d462ff3321b36e7e7ed7da633a281ef3adf671184c74cbd2d15aa6ee3b1592c9d01f2f865be4ecf9f3b0e0a1b3f717084f133b2

  • /data/data/com.fcghuasqt.cotcrxzol/cache/classes.dex

    Filesize

    1.0MB

    MD5

    c56aac70f3062c5f1faf1292964061f0

    SHA1

    d05a25611b3e8b314f719a588720a50825952c6e

    SHA256

    4e9860b0baf238b0b8f225eb3b04f1c8b2052f68f7d23b76b9a0028f6d308789

    SHA512

    f93e4838e586178ac7c579f76d0f26c14f829c6f37cb38d3a63c2e45415dd0d8216497113d37e5ad9ba1026d9d60361f5e7d163588612b9eff8dc990514c29de

  • /data/data/com.fcghuasqt.cotcrxzol/cache/classes.zip

    Filesize

    1.0MB

    MD5

    591e04e6123cd403268deea290ea721d

    SHA1

    3c5497418cbd71546cd8088fc68521f43271858a

    SHA256

    cde626a00e2d305de23d293329279b32a3efac0432197636cdd1eb37a4ee8698

    SHA512

    53aec2f1258edc52c2c139d238505477e902393200001a4e7e3b4d798a75e4b929fd38c002bfac0a85c3524873eae20f86120bc0d49c039cd1c9fc5a9b1653ac

  • /data/data/com.fcghuasqt.cotcrxzol/no_backup/androidx.work.workdb

    Filesize

    4KB

    MD5

    f2b4b0190b9f384ca885f0c8c9b14700

    SHA1

    934ff2646757b5b6e7f20f6a0aa76c7f995d9361

    SHA256

    0a8ffb6b327963558716e87db8946016d143e39f895fa1b43e95ba7032ce2514

    SHA512

    ec12685fc0d60526eed4d38820aad95611f3e93ae372be5a57142d8e8a1ba17e6e5dfe381a4e1365dddc0b363c9c40daaffdc1245bd515fddac69bf1abacd7f1

  • /data/data/com.fcghuasqt.cotcrxzol/no_backup/androidx.work.workdb-journal

    Filesize

    512B

    MD5

    e8613fb6a4de17e3ca6b2cdb2c5d02fe

    SHA1

    5981e7d4c511fad307aedc226df68dd6e9f22ddc

    SHA256

    ad713a8396480917e7673f22938393298691773200a68d6deeade4da3b6eb3f5

    SHA512

    cc41461b8b3d672cee92901971792671cb3173c6f7977a9f610c7d5593746e38adafeeae10bbc639037c0ef4931e51caa6e25fdf489d47defa2a0b5b50ac9289

  • /data/data/com.fcghuasqt.cotcrxzol/no_backup/androidx.work.workdb-shm

    Filesize

    32KB

    MD5

    bb7df04e1b0a2570657527a7e108ae23

    SHA1

    5188431849b4613152fd7bdba6a3ff0a4fd6424b

    SHA256

    c35020473aed1b4642cd726cad727b63fff2824ad68cedd7ffb73c7cbd890479

    SHA512

    768007e06b0cd9e62d50f458b9435c6dda0a6d272f0b15550f97c478394b743331c3a9c9236e09ab5b9cb3b423b2320a5d66eb3c7068db9ea37891ca40e47012

  • /data/data/com.fcghuasqt.cotcrxzol/no_backup/androidx.work.workdb-wal

    Filesize

    108KB

    MD5

    ded715618baf5591846f9a9cb0282566

    SHA1

    519bf7333426407c96e078e48b1413e42d314c36

    SHA256

    5fcadaaee34319dfede6863ba9b0527ee3c90089b1160df8c49a734ebdf37b0c

    SHA512

    8fb66db032a49b45b60f8a09cfdeb37dd7159a1df6f47c596ad4822e005d1c993968c73b620ae904d13459eee461bc37367532aa63c8e22b7596b4f8c18cda81

  • /data/data/com.fcghuasqt.cotcrxzol/no_backup/androidx.work.workdb-wal

    Filesize

    173KB

    MD5

    35572102b0b6e8e1ed3181e21e81b671

    SHA1

    9ac7dc785a2c98371a5b0f0663c84a87493263e2

    SHA256

    22af3b87123d4df85ebc03284c860be199095e26a4add68d5be65152462d2a81

    SHA512

    d7d468d862456831b79422dc62b54b81141926aa052198d8554bc2f55fdfea242d035b91a9ff79dd5024e4947bd74fe893295b3d7148b4d24be78e08ff9238b8

  • /data/data/com.fcghuasqt.cotcrxzol/no_backup/androidx.work.workdb-wal

    Filesize

    16KB

    MD5

    4f767a8975bb0c70c08fd43fba4db9ec

    SHA1

    4e1937327de22014df3aaf75c5aa9261e25beabb

    SHA256

    ca1faeb04802031c26f8b5ad7613e92e9e640f80df309ea24acba64508d04d47

    SHA512

    c006dacdd8b9d916e911ab430930edc0e0c8317658356f71ab9d4d0599d62e6dc7c4355c087e61dfc1d0a0c8d00df2b4cff8e02350280b0c033513b9b517ed61

  • /data/user/0/com.fcghuasqt.cotcrxzol/app_dex/classes.dex

    Filesize

    2.9MB

    MD5

    8136f34b56123f1f63d16db8dad0b661

    SHA1

    bf0a3de0c76160d57131209c0311fb5c358e9964

    SHA256

    eb8854d114b631493d446e12f4f428342cbd20000a9beaaf9bce0139045c7b44

    SHA512

    e696c574074bd8e72a7868b3241d1608a583bf2aeb411f48665f7a599274d095570a636b1729c26c2647db8fab424e0a1e2a6d156e6707a98dd4527ba733b5e4