General

  • Target

    fb2aaed41e10a45d994d737dcd3a12ba69dfdf25282b8e6e51bd0066f8d82b6d

  • Size

    200KB

  • Sample

    220924-b4y16sbfgr

  • MD5

    c587ed22b40e00f49503976e8f5de5bb

  • SHA1

    d2053198d537f77bd3796fbb2715edf13fd51fd7

  • SHA256

    fb2aaed41e10a45d994d737dcd3a12ba69dfdf25282b8e6e51bd0066f8d82b6d

  • SHA512

    75fda399ce1dc896561ab4faed8bc70b808ffa4048af83e5e359767242f2a91e7b7da1e0fb256591da3257227f9b6a3c516c948c456a2db9436fdbf478b4ebff

  • SSDEEP

    3072:awpOnSM2Lbffbg85mxDJx26XZCXNbOnHt8yKYBgm8bQ/Pkj4x:acttLbb0VMS+JON8y6J

Malware Config

Extracted

Family

tofsee

C2

svartalfheim.top

jotunheim.name

Extracted

Family

redline

Botnet

LogsDiller Cloud (TG: @mr_golds)

C2

77.73.134.27:8163

Attributes
  • auth_value

    4b2de03af6b6ac513ac597c2e6c1ad51

Extracted

Family

redline

Botnet

32489234

C2

78.153.144.6:2510

Attributes
  • auth_value

    ad7ebeff731e5655a1b7feb5e468ead2

Targets

    • Target

      fb2aaed41e10a45d994d737dcd3a12ba69dfdf25282b8e6e51bd0066f8d82b6d

    • Size

      200KB

    • MD5

      c587ed22b40e00f49503976e8f5de5bb

    • SHA1

      d2053198d537f77bd3796fbb2715edf13fd51fd7

    • SHA256

      fb2aaed41e10a45d994d737dcd3a12ba69dfdf25282b8e6e51bd0066f8d82b6d

    • SHA512

      75fda399ce1dc896561ab4faed8bc70b808ffa4048af83e5e359767242f2a91e7b7da1e0fb256591da3257227f9b6a3c516c948c456a2db9436fdbf478b4ebff

    • SSDEEP

      3072:awpOnSM2Lbffbg85mxDJx26XZCXNbOnHt8yKYBgm8bQ/Pkj4x:acttLbb0VMS+JON8y6J

    • Detects Smokeloader packer

    • 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.

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Deletes itself

    • 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

    • Adds Run key to start application

    • 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 v6

Persistence

New Service

1
T1050

Modify Existing Service

1
T1031

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

New Service

1
T1050

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Peripheral Device Discovery

1
T1120

Collection

Data from Local System

2
T1005

Tasks