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Analysis

  • max time kernel
    2118442s
  • max time network
    46s
  • platform
    android_x86
  • resource
    android-x86-arm-20230621-en
  • submitted
    22/07/2023, 15:36

General

  • Target

    35d19c060b8d8b0c1114f161a208ac61596723a69f17126f054e58aa476ac556.apk

  • Size

    541KB

  • MD5

    6c668c1d0504ca948d7fd641ce93cb9c

  • SHA1

    eddd6bbca6116ef83701406a6ba1b6b756bd98b9

  • SHA256

    35d19c060b8d8b0c1114f161a208ac61596723a69f17126f054e58aa476ac556

  • SHA512

    f6cc943332d4286e463daf471ab4624e99433c1fe54b3e69dbbdb758425ea4b372f301b06b180cf6019653e2c2b4ea340b5a4055a00cb4e5e622ccece6cef5fe

  • SSDEEP

    12288:A2OUOX+5gCB33r6+28FGiVW5E6zKO9KqfAiMAGKn7OgsNKA:A2Cu55Bnv2ALGEDyfWATn7i

Malware Config

Extracted

Family

octo

C2

https://193.42.32.180/ZjU3NWNhYzE5Mzhm/

https://saldirmorukss222.net/ZjU3NWNhYzE5Mzhm/

https://saldirmorukss122.net/ZjU3NWNhYzE5Mzhm/

https://saldirmoruk4ss22.net/ZjU3NWNhYzE5Mzhm/

https://saldirmoruks6s22.net/ZjU3NWNhYzE5Mzhm/

https://saldirmoruk7ss22.net/ZjU3NWNhYzE5Mzhm/

https://saldirmoruks8s22.net/ZjU3NWNhYzE5Mzhm/

https://saldirmorukss2322.net/ZjU3NWNhYzE5Mzhm/

https://saldirmoruksas282.net/ZjU3NWNhYzE5Mzhm/

AES_key

Signatures

  • Octo

    Octo is a banking malware with remote access capabilities first seen in April 2022.

  • Octo payload 3 IoCs
  • Makes use of the framework's Accessibility service. 2 IoCs
  • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps). 1 IoCs
  • Acquires the wake lock. 1 IoCs
  • Loads dropped Dex/Jar 2 IoCs

    Runs executable file dropped to the device during analysis.

  • Reads information about phone network operator.
  • Requests disabling of battery optimizations (often used to enable hiding in the background). 1 IoCs
  • Uses Crypto APIs (Might try to encrypt user data). 1 IoCs

Processes

  • com.crossthinkdmsx
    1⤵
    • Makes use of the framework's Accessibility service.
    • Queries a list of all the installed applications on the device (Might be used in an attempt to overlay legitimate apps).
    • Acquires the wake lock.
    • Loads dropped Dex/Jar
    • Requests disabling of battery optimizations (often used to enable hiding in the background).
    • Uses Crypto APIs (Might try to encrypt user data).
    PID:3971

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • /data/user/0/com.crossthinkdmsx/cache/oarljak

    Filesize

    450KB

    MD5

    18d6d6287c8c13b3f38a17b411126902

    SHA1

    031d9ace93b685ba7b8266c168daa8d655b207e2

    SHA256

    ff815eb64df98121fdb52d96334079db90adc279a1e850824d6bd293d974d4d0

    SHA512

    06da9fe8d508eaf1b69189c53d501d8ddaa04b689a3fea86415d92c88ff7ceb8535d4615ffc3ed65b996864845ea2b234ee90284733df2e224713dce7fa16b72

  • /data/user/0/com.crossthinkdmsx/cache/oarljak

    Filesize

    450KB

    MD5

    18d6d6287c8c13b3f38a17b411126902

    SHA1

    031d9ace93b685ba7b8266c168daa8d655b207e2

    SHA256

    ff815eb64df98121fdb52d96334079db90adc279a1e850824d6bd293d974d4d0

    SHA512

    06da9fe8d508eaf1b69189c53d501d8ddaa04b689a3fea86415d92c88ff7ceb8535d4615ffc3ed65b996864845ea2b234ee90284733df2e224713dce7fa16b72

  • /data/user/0/com.crossthinkdmsx/cache/oarljak

    Filesize

    450KB

    MD5

    18d6d6287c8c13b3f38a17b411126902

    SHA1

    031d9ace93b685ba7b8266c168daa8d655b207e2

    SHA256

    ff815eb64df98121fdb52d96334079db90adc279a1e850824d6bd293d974d4d0

    SHA512

    06da9fe8d508eaf1b69189c53d501d8ddaa04b689a3fea86415d92c88ff7ceb8535d4615ffc3ed65b996864845ea2b234ee90284733df2e224713dce7fa16b72

  • /data/user/0/com.crossthinkdmsx/shared_prefs/main.xml

    Filesize

    136B

    MD5

    8bdb64657dc1607fea02deac9859ae99

    SHA1

    44ee8c935b971be0c200da0bd927ee61e429deb6

    SHA256

    415065709b3578f8a4b67a559e96da402d64f62f81d858d269555575fc4b00c1

    SHA512

    acee5c98d2a4f239f50abcaee5cdf62982f1f720b1e35b585509692c067616827c5e022369b4013844844c594941e245684a28b406fb9cc462a6f80b084adea8

  • /data/user/0/com.crossthinkdmsx/shared_prefs/main.xml

    Filesize

    3KB

    MD5

    935f1e3ef0b99c2356763fb9d8730a57

    SHA1

    c3ce114f51e78d046e7aba6bad8a54ff547f613f

    SHA256

    5c42a18abfacf078b58ad1abb89b412547f503d6f3f7856a4265d69a969a5858

    SHA512

    ab41d3033d229bf83d9dd6cd56217350a1ef2313076751b469465c01af334fc46e7247db3cc98f3c01604b34c30c4a6bf582a5d007e4ece1efaebd30ea57aa22