General

  • Target

    tmp

  • Size

    185KB

  • Sample

    230619-eq62eabd27

  • MD5

    f50c7021faf8880c50cb092669bccf9b

  • SHA1

    302d730bad4222d1748a863da3f8bf2368b88e65

  • SHA256

    14a81d39c1a2260f7dde336245ab276a3416319e8bea2740107f8da6b5baecc2

  • SHA512

    8544961a0ce6d2d2f6e2cd61b5d9be07cf23d3c1de0860008efc08ec7ed3594af21cfe575bf52aca1fcdda150c7a4fe3e2ea46c4bd8d9a6abaef0178d1be19d3

  • SSDEEP

    3072:MtaBjZDS2BKsgTnZOXefxHgndnmBT7bZTDhYqgxAnLY:MgBNDfBKbZOXepHg9mBX9XhY5

Malware Config

Extracted

Family

smokeloader

Botnet

summ

Extracted

Family

smokeloader

Version

2022

C2

http://stalagmijesarl.com/

http://ukdantist-sarl.com/

http://cpcorprotationltd.com/

rc4.i32
rc4.i32

Extracted

Language
ps1
Deobfuscated
URLs
exe.dropper

http://45.81.224.130/any.exe

Extracted

Family

systembc

C2

admex1955x.xyz:4044

servx2785x.xyz:4044

Extracted

Family

redline

Botnet

1

C2

213.239.213.187:17260

Attributes
  • auth_value

    6a4b05ef943a0dd801fd01dfbb9eb717

Targets

    • Target

      tmp

    • Size

      185KB

    • MD5

      f50c7021faf8880c50cb092669bccf9b

    • SHA1

      302d730bad4222d1748a863da3f8bf2368b88e65

    • SHA256

      14a81d39c1a2260f7dde336245ab276a3416319e8bea2740107f8da6b5baecc2

    • SHA512

      8544961a0ce6d2d2f6e2cd61b5d9be07cf23d3c1de0860008efc08ec7ed3594af21cfe575bf52aca1fcdda150c7a4fe3e2ea46c4bd8d9a6abaef0178d1be19d3

    • SSDEEP

      3072:MtaBjZDS2BKsgTnZOXefxHgndnmBT7bZTDhYqgxAnLY:MgBNDfBKbZOXepHg9mBX9XhY5

    • RedLine

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

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • SystemBC

      SystemBC is a proxy and remote administration tool first seen in 2019.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Possible privilege escalation attempt

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

    • Reads user/profile data of web browsers

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

    • 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.

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

File Permissions Modification

1
T1222

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Collection

Data from Local System

2
T1005

Tasks