Analysis

  • max time kernel
    157s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-en-20210920
  • submitted
    22-10-2021 18:45

General

  • Target

    323e2c782142c1ccb02e6d28779211eb520317fe73c4a.exe

  • Size

    345KB

  • MD5

    9a74d5eab143394d5f7488c5ec0de4f4

  • SHA1

    f32f0d695d48e4d8bc0f7f7521b9bc415a2c28b4

  • SHA256

    323e2c782142c1ccb02e6d28779211eb520317fe73c4a1931b4c07c00c88cb5f

  • SHA512

    72a3e7c1c021e11260760f78313953ce974a090cd1215df43196bd62d3c5df6f181c1b5e3a260a4a9eea1a55caa919a209a50b76fb58253d5863196d6b9754f6

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://directorycart.com/upload/

http://tierzahnarzt.at/upload/

http://streetofcards.com/upload/

http://ycdfzd.com/upload/

http://successcoachceo.com/upload/

http://uhvu.cn/upload/

http://japanarticle.com/upload/

rc4.i32
rc4.i32

Extracted

Family

icedid

Campaign

1875681804

C2

enticationmetho.ink

Signatures

  • IcedID, BokBot

    IcedID is a banking trojan capable of stealing credentials.

  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • suricata: ET MALWARE Win32/IcedID Request Cookie

    suricata: ET MALWARE Win32/IcedID Request Cookie

  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Deletes itself 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs
  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Modifies system certificate store 2 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\323e2c782142c1ccb02e6d28779211eb520317fe73c4a.exe
    "C:\Users\Admin\AppData\Local\Temp\323e2c782142c1ccb02e6d28779211eb520317fe73c4a.exe"
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: MapViewOfSection
    PID:852
  • C:\Users\Admin\AppData\Local\Temp\B0D8.exe
    C:\Users\Admin\AppData\Local\Temp\B0D8.exe
    1⤵
    • Executes dropped EXE
    • Modifies system certificate store
    PID:1888

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Discovery

Query Registry

1
T1012

Peripheral Device Discovery

1
T1120

System Information Discovery

1
T1082

Command and Control

Web Service

1
T1102

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\B0D8.exe
    MD5

    81fc38de5b6197c4db58eb506037e7cb

    SHA1

    c2258ab3204e6061d548df202c99aa361242d848

    SHA256

    2b9cba43290c9d4cc2d6a47432ddac5752c63e5ac519c2056ba466580424ed3b

    SHA512

    4c96e9104e55454e741a13be34a7c5a3afb8d0d17c1924d629acbd487975d88d4435fd46b34649defe2d047ff4c84e06c4a0d0176085c7b5ab4d80eed18b0d9a

  • \Users\Admin\AppData\Local\Temp\B0D8.exe
    MD5

    81fc38de5b6197c4db58eb506037e7cb

    SHA1

    c2258ab3204e6061d548df202c99aa361242d848

    SHA256

    2b9cba43290c9d4cc2d6a47432ddac5752c63e5ac519c2056ba466580424ed3b

    SHA512

    4c96e9104e55454e741a13be34a7c5a3afb8d0d17c1924d629acbd487975d88d4435fd46b34649defe2d047ff4c84e06c4a0d0176085c7b5ab4d80eed18b0d9a

  • \Users\Admin\AppData\Local\Temp\B0D8.exe
    MD5

    81fc38de5b6197c4db58eb506037e7cb

    SHA1

    c2258ab3204e6061d548df202c99aa361242d848

    SHA256

    2b9cba43290c9d4cc2d6a47432ddac5752c63e5ac519c2056ba466580424ed3b

    SHA512

    4c96e9104e55454e741a13be34a7c5a3afb8d0d17c1924d629acbd487975d88d4435fd46b34649defe2d047ff4c84e06c4a0d0176085c7b5ab4d80eed18b0d9a

  • memory/852-54-0x0000000000A09000-0x0000000000A19000-memory.dmp
    Filesize

    64KB

  • memory/852-55-0x0000000000020000-0x0000000000029000-memory.dmp
    Filesize

    36KB

  • memory/852-56-0x00000000768C1000-0x00000000768C3000-memory.dmp
    Filesize

    8KB

  • memory/852-57-0x0000000000400000-0x0000000000885000-memory.dmp
    Filesize

    4.5MB

  • memory/1204-58-0x0000000002920000-0x0000000002936000-memory.dmp
    Filesize

    88KB

  • memory/1888-61-0x0000000000000000-mapping.dmp
  • memory/1888-63-0x0000000140000000-0x0000000140009000-memory.dmp
    Filesize

    36KB