General

  • Target

    444de64c040cb5caee235198c1957382918d21f59aec50d927dd6c4a6d5519a2

  • Size

    227KB

  • Sample

    221224-aalcjsce81

  • MD5

    5309b22e530471306be181db83073fec

  • SHA1

    19d307d51019d593b62abd7fdb822b220c7ce7e4

  • SHA256

    444de64c040cb5caee235198c1957382918d21f59aec50d927dd6c4a6d5519a2

  • SHA512

    b34fe01692f17c19efc4ca421b1880482c454d2290a7bf553eaba886719de5b0fe76f98f47506b7c215cb53d5a36c053a19e7b03aabc147b5b17c0676c817d96

  • SSDEEP

    3072:hUlQfwU3LWMunLqZBGx/s+Wh6NtiDpkR4T7XPH8oSQiffx05Y3Ox6qQo3:6vgLWv6A/sd6NIDpki38oriffe5Hk5o

Malware Config

Extracted

Family

redline

Botnet

mario23_10

C2

167.235.252.160:10642

Attributes
  • auth_value

    eca57cfb5172f71dc45986763bb98942

Extracted

Family

djvu

C2

http://ex3mall.com/lancer/get.php

Attributes
  • extension

    .isza

  • offline_id

    m3KmScxfDyEQzJYP8qjOSfP4FvpsOXlekGuMPzt1

  • payload_url

    http://uaery.top/dl/build2.exe

    http://ex3mall.com/files/1/build3.exe

  • ransomnote

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rsa_pubkey.plain

Extracted

Family

amadey

Version

3.61

C2

62.204.41.79/U7vfDb3kg/index.php

Extracted

Family

amadey

Version

3.63

C2

62.204.41.182/g9TTnd3bS/index.php

Extracted

Family

amadey

Version

3.60

C2

193.42.33.28/game0ver/index.php

Extracted

Family

redline

Botnet

Post

C2

138.124.180.186:39614

Attributes
  • auth_value

    4bda2ce09764851c19dedd9d8ed8328e

Extracted

Family

redline

Botnet

trud

C2

31.41.244.198:4083

Attributes
  • auth_value

    a5942e18edc400a8c1782120906798ef

Extracted

Family

socelars

C2

https://hdbywe.s3.us-west-2.amazonaws.com/wduwe19/

Targets

    • Target

      444de64c040cb5caee235198c1957382918d21f59aec50d927dd6c4a6d5519a2

    • Size

      227KB

    • MD5

      5309b22e530471306be181db83073fec

    • SHA1

      19d307d51019d593b62abd7fdb822b220c7ce7e4

    • SHA256

      444de64c040cb5caee235198c1957382918d21f59aec50d927dd6c4a6d5519a2

    • SHA512

      b34fe01692f17c19efc4ca421b1880482c454d2290a7bf553eaba886719de5b0fe76f98f47506b7c215cb53d5a36c053a19e7b03aabc147b5b17c0676c817d96

    • SSDEEP

      3072:hUlQfwU3LWMunLqZBGx/s+Wh6NtiDpkR4T7XPH8oSQiffx05Y3Ox6qQo3:6vgLWv6A/sd6NIDpki38oriffe5Hk5o

    • Amadey

      Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.

    • Detect Amadey credential stealer module

    • Detected Djvu ransomware

    • Detects Smokeloader packer

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

    • Process spawned unexpected child process

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

    • 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.

    • Socelars

      Socelars is an infostealer targeting browser cookies and credit card credentials.

    • Socelars payload

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

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Deletes itself

    • Loads dropped DLL

    • Modifies file permissions

    • Uses the VBS compiler for execution

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • 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.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scripting

1
T1064

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Bootkit

1
T1067

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

File Permissions Modification

1
T1222

Scripting

1
T1064

Modify Registry

1
T1112

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

4
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks