Overview

overview

10

Static

static

3

b341f1bc5a...18.exe

windows7-x64

10

b341f1bc5a...18.exe

windows10-2004-x64

10

$PLUGINSDI...ia.dll

windows7-x64

3

$PLUGINSDI...ia.dll

windows10-2004-x64

3

Sharing

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General

  • Target

    b341f1bc5ac611eb57a63709a8cd6528_JaffaCakes118

  • Size

    4.5MB

  • Sample

    240616-nh2w6a1fmh

  • MD5

    b341f1bc5ac611eb57a63709a8cd6528

  • SHA1

    85ea543a2bdcb385a7fb45e611ea965174673f2a

  • SHA256

    6f5c319abad434df88f93e4068bd85781ccf125546cb6fac3b8d453b347be2f7

  • SHA512

    8915bb1501857b8d3367dbbd141d3795eb1cd72b9f7c006c68cdbdd159b910f2f1f3615da5bf6f346e9be8fcc934bff535adf144839a49e4a3bf011aee1d9d2e

  • SSDEEP

    98304:8U4tsSgLivtRXrIgDMd6nKhTvUWZsPm05:8paLisgoInqv1sPB

Score
10/10
cryptbotdiscoveryevasionspywarestealer

Malware Config

Extracted

Family

cryptbot

C2

bibinene02.top

moraass05.top

Targets

    • Target

      b341f1bc5ac611eb57a63709a8cd6528_JaffaCakes118

    • Size

      4.5MB

    • MD5

      b341f1bc5ac611eb57a63709a8cd6528

    • SHA1

      85ea543a2bdcb385a7fb45e611ea965174673f2a

    • SHA256

      6f5c319abad434df88f93e4068bd85781ccf125546cb6fac3b8d453b347be2f7

    • SHA512

      8915bb1501857b8d3367dbbd141d3795eb1cd72b9f7c006c68cdbdd159b910f2f1f3615da5bf6f346e9be8fcc934bff535adf144839a49e4a3bf011aee1d9d2e

    • SSDEEP

      98304:8U4tsSgLivtRXrIgDMd6nKhTvUWZsPm05:8paLisgoInqv1sPB

    Score
    10/10
    cryptbotdiscoveryevasionspywarestealer

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

      spywarestealercryptbot

    • CryptBot payload

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

      evasion

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

      evasion

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses cryptocurrency files/wallets, possible credential harvesting

      spyware

    • Checks installed software on the system

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

      discovery

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/Sibuia.dll

    • Size

      524KB

    • MD5

      6a3c3c97e92a5949f88311e80268bbb5

    • SHA1

      48c11e3f694b468479bc2c978749d27b5d03faa2

    • SHA256

      7938db73242aafbe80915e4ca886d38be9b7e872b93bdae1e8ee6cf4a005b7d9

    • SHA512

      6141886a889825ccdfa59a419f7670a34ef240c4f90a83bc17223c415f2fbd983280e98e67485710e449746b5bf3284907537bef6ab698a48954dd4910ddf693

    • SSDEEP

      12288:yFlW+6yL4qXm3e39uB9dk6M6g89vYyw7UwogmySQk9GS168q:y/L6yL44oAP7LD7UvCaGSlq

    Score
    3/10
    behavioral3behavioral4

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Credential Access

Unsecured Credentials

2
T1552

Credentials In Files

2
T1552.001

Discovery

Query Registry

5
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Lateral Movement

Collection

Data from Local System

2
T1005

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks