General

  • Target

    1bdf4594723e88721567477b470a2574d18e8c8f14f8528a7b1fa395c7d40d1c

  • Size

    239KB

  • Sample

    230924-a25v9sch63

  • MD5

    7efd3442937075819da2f9fdf13cb69c

  • SHA1

    87371518d1ae566305e6a3a09bd230b1686a5e98

  • SHA256

    1bdf4594723e88721567477b470a2574d18e8c8f14f8528a7b1fa395c7d40d1c

  • SHA512

    ab793a7f4565b7ed7d35c0b819f11007bde8df20dd027e5590ea62a9e8eff3ee149d30a535e478ddafbcc629d1e8e9d5e97c2e938e6e0fe4b60839f3e1613886

  • SSDEEP

    6144:Yz46fuYXChoQTjlFgLuCY1dRuAOSlfcuBobmgCDw8y0:YcYzXChdTbv1buqfvBkm9Dw8y

Malware Config

Extracted

Family

smokeloader

Version

2022

C2

http://77.91.68.29/fks/

rc4.i32
rc4.i32

Extracted

Family

fabookie

C2

http://app.nnnaajjjgc.com/check/safe

Extracted

Family

smokeloader

Botnet

up3

Targets

    • Target

      1bdf4594723e88721567477b470a2574d18e8c8f14f8528a7b1fa395c7d40d1c

    • Size

      239KB

    • MD5

      7efd3442937075819da2f9fdf13cb69c

    • SHA1

      87371518d1ae566305e6a3a09bd230b1686a5e98

    • SHA256

      1bdf4594723e88721567477b470a2574d18e8c8f14f8528a7b1fa395c7d40d1c

    • SHA512

      ab793a7f4565b7ed7d35c0b819f11007bde8df20dd027e5590ea62a9e8eff3ee149d30a535e478ddafbcc629d1e8e9d5e97c2e938e6e0fe4b60839f3e1613886

    • SSDEEP

      6144:Yz46fuYXChoQTjlFgLuCY1dRuAOSlfcuBobmgCDw8y0:YcYzXChdTbv1buqfvBkm9Dw8y

    • Detect Fabookie payload

    • Detected google phishing page

    • Fabookie

      Fabookie is facebook account info stealer.

    • Glupteba

      Glupteba is a modular loader written in Golang with various components.

    • Glupteba payload

    • Phobos

      Phobos ransomware appeared at the beginning of 2019.

    • RedLine

      RedLine Stealer is a malware family written in C#, first appearing in early 2020.

    • RedLine payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Uses the VBS compiler for execution

    • Accesses Microsoft Outlook profiles

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scripting

1
T1064

Defense Evasion

Scripting

1
T1064

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Tasks