Analysis

  • max time kernel
    83s
  • max time network
    127s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    15-12-2021 07:26

General

  • Target

    e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4.exe

  • Size

    549KB

  • MD5

    7516ac47b4adfef609f6ce4dc1dd809c

  • SHA1

    81d93a74a813e4d2231bf4b06762090d520a5145

  • SHA256

    e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4

  • SHA512

    a49542a69ee2ee53ce5ef8db071c80aac38e8eb3a81c025a88229e431c990964dbf7011bdde20240665d791c038cef5cd1c43e02e1367b9ee9c4b4c01c42770b

Malware Config

Extracted

Family

xloader

Version

2.5

Campaign

ea0r

C2

http://www.asiapubz-hk.com/ea0r/

Decoy

lionheartcreativestudios.com

konzertmanagement.com

blackpanther.online

broychim-int.com

takut18.com

txstarsolar.com

herdsherpa.com

igorshestakov.com

shinesbox.com

reflectpkljlt.xyz

oiltoolshub.com

viralmoneychallenge.com

changingalphastrategies.com

mecitiris.com

rdadmin.online

miniambiente.com

kominarcine.com

pino-almond.com

heihit.xyz

junqi888.com

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Xloader

    Xloader is a rebranded version of Formbook malware.

  • Xloader Payload 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 53 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • NSIS installer 6 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4.exe
    "C:\Users\Admin\AppData\Local\Temp\e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4.exe"
    1⤵
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2756
    • C:\Users\Admin\AppData\Local\Temp\3582-490\e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious use of WriteProcessMemory
      PID:588
      • C:\Users\Admin\AppData\Local\Temp\3582-490\e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1320

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4.exe

    MD5

    ca0d7b52d537773db4598a25fdf5cf22

    SHA1

    f971b4ac64190312edfd3830dd40a257316c7e8f

    SHA256

    b9829a5660b2dcf188de5595741b42380f091c30bb3be299e131b61171d7b513

    SHA512

    58b69ca75d881acf8d90e3c22859dff514f796872460e619bd4699f71abbeb02ccc6832b583d29e916b6f993d508018b50d59cd8d46859251cb12e9e14d91195

  • C:\Users\Admin\AppData\Local\Temp\3582-490\e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4.exe

    MD5

    ca0d7b52d537773db4598a25fdf5cf22

    SHA1

    f971b4ac64190312edfd3830dd40a257316c7e8f

    SHA256

    b9829a5660b2dcf188de5595741b42380f091c30bb3be299e131b61171d7b513

    SHA512

    58b69ca75d881acf8d90e3c22859dff514f796872460e619bd4699f71abbeb02ccc6832b583d29e916b6f993d508018b50d59cd8d46859251cb12e9e14d91195

  • C:\Users\Admin\AppData\Local\Temp\3582-490\e657e5580f64554a920f5460edc2a1ae4179b183f7a2adbd613f0e877839bdb4.exe

    MD5

    ca0d7b52d537773db4598a25fdf5cf22

    SHA1

    f971b4ac64190312edfd3830dd40a257316c7e8f

    SHA256

    b9829a5660b2dcf188de5595741b42380f091c30bb3be299e131b61171d7b513

    SHA512

    58b69ca75d881acf8d90e3c22859dff514f796872460e619bd4699f71abbeb02ccc6832b583d29e916b6f993d508018b50d59cd8d46859251cb12e9e14d91195

  • \Users\Admin\AppData\Local\Temp\nsb94B0.tmp\ynieoukx.dll

    MD5

    7c9a18a000849851c8e34fe6e1e88b21

    SHA1

    ffd0b9cd7b469be2f15ce836076ff21c88ee3a2d

    SHA256

    80f12b6475767dd4cd6271fd6e213317230ce5814909c9b21e132cacae3952c6

    SHA512

    5e62ee3116a13fe3fcaf137329f02825be17ed2385c43a227b9b5f7f59b09636de0f85ee778b31f1c87b67afd786a6f62d5c79acc85caad32ebde0ce24cd9c9a

  • memory/588-115-0x0000000000000000-mapping.dmp

  • memory/1320-119-0x0000000000400000-0x0000000000429000-memory.dmp

    Filesize

    164KB

  • memory/1320-120-0x000000000041D410-mapping.dmp

  • memory/1320-122-0x0000000000A70000-0x0000000000D90000-memory.dmp

    Filesize

    3.1MB