Analysis

  • max time kernel
    124s
  • max time network
    61s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    26-09-2021 15:08

General

  • Target

    f2af1f1da3870e5c410551dd528d46ec.exe

  • Size

    473KB

  • MD5

    f2af1f1da3870e5c410551dd528d46ec

  • SHA1

    3f362779dd26bdc1bed5e1ca546203c02f946cea

  • SHA256

    515f1994cd7f6a4e2a5e642f6905d9897e22abceaaaf235a2bb3ed7835818874

  • SHA512

    bf6d5452fd3b52cb8792533e8e7c30a7372b2692301a6d2a5867331fbf16eb399b05b4f748ae499782572f66eb414219d42cb758ebc02d8d41b29ddf8e56d9aa

Malware Config

Extracted

Family

xloader

Version

2.3

Campaign

b6a4

C2

http://www.helpmovingandstorage.com/b6a4/

Decoy

gr2future.com

asteroid.finance

skoba-plast.com

rnerfrfw5z3ki.net

thesmartroadtoretirement.com

avisdrummondhomes.com

banban365.net

profesyonelkampcadiri.net

royalloanhs.com

yulujy.com

xn--naqejahan-n3b.com

msalee.net

dollyvee.com

albertagamehawkersclub.com

cbspecialists.com

findingforeverrealty.com

mrtireshop.com

wadamasanari.com

growtechinfo.com

qipai039.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 1 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 5 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 64 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.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f2af1f1da3870e5c410551dd528d46ec.exe
    "C:\Users\Admin\AppData\Local\Temp\f2af1f1da3870e5c410551dd528d46ec.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1260
    • C:\Users\Admin\AppData\Local\Temp\3582-490\f2af1f1da3870e5c410551dd528d46ec.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\f2af1f1da3870e5c410551dd528d46ec.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:832
      • C:\Users\Admin\AppData\Local\Temp\3582-490\f2af1f1da3870e5c410551dd528d46ec.exe
        "C:\Users\Admin\AppData\Local\Temp\3582-490\f2af1f1da3870e5c410551dd528d46ec.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        PID:1980

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Change Default File Association

1
T1042

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\f2af1f1da3870e5c410551dd528d46ec.exe
    MD5

    2a59d2396654692dc87a81df7554b608

    SHA1

    a545b6bc8ab5afd12feb22686af50f4075fb61cd

    SHA256

    04e98a900ca361b68ebcfbad6453ddc626d93c8afb13916c18dd0e9648187566

    SHA512

    a612f5fe059baf09f6aa30c7a41c9c00d225f326d5d6a10476aa1969c2e0ce3c39986b519ff77be787a61695d71e2fc18766ea9f93509332096c0d7e613cbea8

  • C:\Users\Admin\AppData\Local\Temp\3582-490\f2af1f1da3870e5c410551dd528d46ec.exe
    MD5

    2a59d2396654692dc87a81df7554b608

    SHA1

    a545b6bc8ab5afd12feb22686af50f4075fb61cd

    SHA256

    04e98a900ca361b68ebcfbad6453ddc626d93c8afb13916c18dd0e9648187566

    SHA512

    a612f5fe059baf09f6aa30c7a41c9c00d225f326d5d6a10476aa1969c2e0ce3c39986b519ff77be787a61695d71e2fc18766ea9f93509332096c0d7e613cbea8

  • C:\Users\Admin\AppData\Local\Temp\3582-490\f2af1f1da3870e5c410551dd528d46ec.exe
    MD5

    2a59d2396654692dc87a81df7554b608

    SHA1

    a545b6bc8ab5afd12feb22686af50f4075fb61cd

    SHA256

    04e98a900ca361b68ebcfbad6453ddc626d93c8afb13916c18dd0e9648187566

    SHA512

    a612f5fe059baf09f6aa30c7a41c9c00d225f326d5d6a10476aa1969c2e0ce3c39986b519ff77be787a61695d71e2fc18766ea9f93509332096c0d7e613cbea8

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE
    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \PROGRA~2\Google\Temp\GUMFBCB.tmp\GOFB2B~1.EXE
    MD5

    583ff3367e050c4d62bc03516473b40a

    SHA1

    6aa1d26352b78310e711884829c35a69ed1bf0f9

    SHA256

    6b63f8dd47d8b3baa71b6cd205d428861b96bf09cf479071e75ddd23f97c0146

    SHA512

    e9bdd5cc2e29db48cc524488fbadb08e808f17f6e18fa595cfebae229c94f2547079e52a2ada214169577b89b2ffbef424729cd90acdea3774f5c76aec192be0

  • \PROGRA~2\Google\Update\1335~1.452\GOFB2B~1.EXE
    MD5

    583ff3367e050c4d62bc03516473b40a

    SHA1

    6aa1d26352b78310e711884829c35a69ed1bf0f9

    SHA256

    6b63f8dd47d8b3baa71b6cd205d428861b96bf09cf479071e75ddd23f97c0146

    SHA512

    e9bdd5cc2e29db48cc524488fbadb08e808f17f6e18fa595cfebae229c94f2547079e52a2ada214169577b89b2ffbef424729cd90acdea3774f5c76aec192be0

  • \Users\Admin\AppData\Local\Temp\3582-490\f2af1f1da3870e5c410551dd528d46ec.exe
    MD5

    2a59d2396654692dc87a81df7554b608

    SHA1

    a545b6bc8ab5afd12feb22686af50f4075fb61cd

    SHA256

    04e98a900ca361b68ebcfbad6453ddc626d93c8afb13916c18dd0e9648187566

    SHA512

    a612f5fe059baf09f6aa30c7a41c9c00d225f326d5d6a10476aa1969c2e0ce3c39986b519ff77be787a61695d71e2fc18766ea9f93509332096c0d7e613cbea8

  • \Users\Admin\AppData\Local\Temp\3582-490\f2af1f1da3870e5c410551dd528d46ec.exe
    MD5

    2a59d2396654692dc87a81df7554b608

    SHA1

    a545b6bc8ab5afd12feb22686af50f4075fb61cd

    SHA256

    04e98a900ca361b68ebcfbad6453ddc626d93c8afb13916c18dd0e9648187566

    SHA512

    a612f5fe059baf09f6aa30c7a41c9c00d225f326d5d6a10476aa1969c2e0ce3c39986b519ff77be787a61695d71e2fc18766ea9f93509332096c0d7e613cbea8

  • memory/832-62-0x0000000000000000-mapping.dmp
  • memory/832-67-0x0000000000110000-0x0000000000112000-memory.dmp
    Filesize

    8KB

  • memory/1260-60-0x0000000075B31000-0x0000000075B33000-memory.dmp
    Filesize

    8KB

  • memory/1980-68-0x000000000041D0B0-mapping.dmp
  • memory/1980-73-0x0000000000400000-0x0000000000429000-memory.dmp
    Filesize

    164KB

  • memory/1980-74-0x0000000000700000-0x0000000000A03000-memory.dmp
    Filesize

    3.0MB