General

  • Target

    48e19802f91f27e12638631ff2fd877a.exe

  • Size

    296KB

  • Sample

    211016-rt9ypacggr

  • MD5

    48e19802f91f27e12638631ff2fd877a

  • SHA1

    25ba5fd7bc80335bad6b68667091ae04057cc4fa

  • SHA256

    ec9abd41cb8dc44222977d171e58a8f2f74ca3499a2b552aee0aa963ee553d77

  • SHA512

    88d8d4a07409f0a83f49ed282b9b3a53a5f60d0f491bed47abde2b57734a398523c4fb56a553719ff5143946c1f6909de6a9741bc595b3f1aefa4513a43b229f

Malware Config

Extracted

Family

smokeloader

Version

2020

C2

http://honawey7.top/

http://wijibui0.top/

http://hefahei6.top/

http://pipevai4.top/

http://nalirou7.top/

http://gfdjgdfjgdhfbg.space/

http://gfhjdsghdfjg23.space/

http://gdfjgdfh4543nf.space/

http://fgdjgsdfghj4fds.space/

http://fgdgdjfgfdgdf.space/

http://fsdhjfsdhfsd.space/

http://fgdsjghdfghjdfhgd.space/

http://ryuesrseyth3.space/

http://fdsjkuhreyu4.space/

http://fdgjdfgehr4.space/

http://fgdgjhdfgdfjgd.space/

rc4.i32
rc4.i32
rc4.i32
rc4.i32

Extracted

Family

tofsee

C2

quadoil.ru

lakeflex.ru

Extracted

Family

raccoon

Botnet

2e56d61c5f4b4a46cd452a288b45013a8ce55afa

Attributes
  • url4cnc

    http://telegatt.top/vvhotsummer

    http://telegka.top/vvhotsummer

    http://telegin.top/vvhotsummer

    https://t.me/vvhotsummer

rc4.plain
rc4.plain

Extracted

Family

vidar

Version

41.4

Botnet

936

C2

https://mas.to/@sslam

Attributes
  • profile_id

    936

Extracted

Family

redline

Botnet

testmixNEW

C2

185.215.113.17:9054

Extracted

Family

raccoon

Botnet

7ebf9b416b72a203df65383eec899dc689d2c3d7

Attributes
  • url4cnc

    http://telegatt.top/agrybirdsgamerept

    http://telegka.top/agrybirdsgamerept

    http://telegin.top/agrybirdsgamerept

    https://t.me/agrybirdsgamerept

rc4.plain
rc4.plain

Extracted

Family

redline

Botnet

bot

C2

91.211.251.200:52562

Extracted

Family

redline

Botnet

office365log and wallet

C2

185.215.113.102:10007

Extracted

Family

raccoon

Botnet

3dde9cf1ea25ec8623cf240fe8d23e8d3fe465f0

Attributes
  • url4cnc

    http://telegatt.top/d1rolsavage

    http://telegka.top/d1rolsavage

    http://telegin.top/d1rolsavage

    https://t.me/d1rolsavage

rc4.plain
rc4.plain

Targets

    • Target

      48e19802f91f27e12638631ff2fd877a.exe

    • Size

      296KB

    • MD5

      48e19802f91f27e12638631ff2fd877a

    • SHA1

      25ba5fd7bc80335bad6b68667091ae04057cc4fa

    • SHA256

      ec9abd41cb8dc44222977d171e58a8f2f74ca3499a2b552aee0aa963ee553d77

    • SHA512

      88d8d4a07409f0a83f49ed282b9b3a53a5f60d0f491bed47abde2b57734a398523c4fb56a553719ff5143946c1f6909de6a9741bc595b3f1aefa4513a43b229f

    • Raccoon

      Simple but powerful infostealer which was very active in 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 NtCreateProcessExOtherParentProcess

    • Tofsee

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

    • Vidar

      Vidar is an infostealer based on Arkei stealer.

    • Windows security bypass

    • suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

      suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)

    • suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

      suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload

    • xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Vidar Stealer

    • XMRig Miner Payload

    • Creates new service(s)

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Modifies Windows Firewall

    • Sets service image path in registry

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses 2FA software files, possible credential harvesting

    • 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.

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • 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

Disabling Security Tools

1
T1089

Modify Registry

2
T1112

Virtualization/Sandbox Evasion

1
T1497

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

6
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

6
T1082

Peripheral Device Discovery

2
T1120

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks