Overview

overview

10

Static

static

a3a35842b7...74.exe

windows7_x64

10

a3a35842b7...74.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    a3a35842b7bb099deabc1b7f79d83b72d95e4c7e715df1f33dea5ba6f6e31e74

  • Size

    3.2MB

  • Sample

    220312-c7jakaeed5

  • MD5

    dfc543d3b82cb2820e307a1c9d9d2154

  • SHA1

    f8ac1f45dbea00c2fa8f554a87517ff1baf1a5b9

  • SHA256

    a3a35842b7bb099deabc1b7f79d83b72d95e4c7e715df1f33dea5ba6f6e31e74

  • SHA512

    24a0ed81982ec85275eac0daf447955d5359d06f343b30204d7b0f5ee26a576ac46c96a5550ad364f719224fa4bd8855825de10778d4c9632387932695ad0590

Score
10/10
onlyloggerraccoonredlinesmokeloadertofseevidar5e952d9d2bbe82643afb1857a7befd7377f3a063933937aspackv2backdoordiscoveryevasioninfostealerloaderpersistencespywarestealertrojanupx

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://62.204.41.71/cs/Fax.oo

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://62.204.41.71/cs/SkyDrive.oo

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://62.204.41.71/cs/RED.oo

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

http://62.204.41.71/Offer/Offer.oo

Extracted

Family

smokeloader

Version

2020

C2

http://conceitosseg.com/upload/

http://integrasidata.com/upload/

http://ozentekstil.com/upload/

http://finbelportal.com/upload/

http://telanganadigital.com/upload/
rc4.i32
rc4.i32

Extracted

Family

raccoon

Botnet

5e952d9d2bbe82643afb1857a7befd7377f3a063

Attributes
  • url4cnc

    http://185.3.95.153/sbjoahera

    http://185.163.204.22/sbjoahera

    https://t.me/sbjoahera

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

50.7

Botnet

937

C2

https://ruhr.social/@sam9al

https://koyu.space/@samsa2l
Attributes
  • profile_id

    937

Extracted

Family

tofsee

C2

patmushta.info

ovicrush.cn

Extracted

Family

vidar

Version

39.6

Botnet

933

C2

https://sslamlssa1.tumblr.com/

Attributes
  • profile_id

    933

Targets

    • Target

      a3a35842b7bb099deabc1b7f79d83b72d95e4c7e715df1f33dea5ba6f6e31e74

    • Size

      3.2MB

    • MD5

      dfc543d3b82cb2820e307a1c9d9d2154

    • SHA1

      f8ac1f45dbea00c2fa8f554a87517ff1baf1a5b9

    • SHA256

      a3a35842b7bb099deabc1b7f79d83b72d95e4c7e715df1f33dea5ba6f6e31e74

    • SHA512

      24a0ed81982ec85275eac0daf447955d5359d06f343b30204d7b0f5ee26a576ac46c96a5550ad364f719224fa4bd8855825de10778d4c9632387932695ad0590

    Score
    10/10
    onlyloggerraccoonredlinesmokeloadertofseevidar5e952d9d2bbe82643afb1857a7befd7377f3a063937aspackv2backdoorevasioninfostealerloaderpersistencestealertrojan933discoveryspywareupx

    • Modifies Windows Defender Real-time Protection settings

      evasiontrojan

    • OnlyLogger

      A tiny loader that uses IPLogger to get its payload.

      loaderonlylogger

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Raccoon

      Simple but powerful infostealer which was very active in 2019.

      stealerraccoon

    • RedLine

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

      infostealerredline

    • RedLine Payload

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

      trojanbackdoorsmokeloader

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Tofsee

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

      trojantofsee

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

      stealervidar

    • OnlyLogger Payload

    • Vidar Stealer

      stealer

    • ASPack v2.12-2.42

      Detects executables packed with ASPack v2.12-2.42

      aspackv2

    • Blocklisted process makes network request

    • Creates new service(s)

      persistence

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Sets file to hidden

      Modifies file attributes to stop it showing in Explorer etc.

      evasion

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks computer location settings

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

    • Loads dropped DLL

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses 2FA software files, possible credential harvesting

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Adds Run key to start application

      persistence

    • Checks installed software on the system

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

      discovery

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Modify Existing Service

2
T1031

New Service

1
T1050

Hidden Files and Directories

2
T1158

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

New Service

1
T1050

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

3
T1112

Disabling Security Tools

1
T1089

Hidden Files and Directories

2
T1158

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

4
T1081

Discovery

Query Registry

4
T1012

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Process Discovery

1
T1057

Lateral Movement

Collection

Data from Local System

4
T1005

Exfiltration

Command and Control

Web Service

1
T1102

Impact

Tasks