Overview

overview

10

Static

static

3

00496f5232...18.exe

windows7-x64

10

00496f5232...18.exe

windows10-2004-x64

10

$PLUGINSDI...em.dll

windows7-x64

3

$PLUGINSDI...em.dll

windows10-2004-x64

3

$PLUGINSDIR/UAC.dll

windows7-x64

3

$PLUGINSDIR/UAC.dll

windows10-2004-x64

3

$PLUGINSDI...fo.dll

windows7-x64

3

$PLUGINSDI...fo.dll

windows10-2004-x64

3

$PLUGINSDI...gs.dll

windows7-x64

3

$PLUGINSDI...gs.dll

windows10-2004-x64

3

$PLUGINSDI...ec.dll

windows7-x64

3

$PLUGINSDI...ec.dll

windows10-2004-x64

3

Two.vbs

windows7-x64

8

Two.vbs

windows10-2004-x64

8

looo.exe

windows7-x64

9

looo.exe

windows10-2004-x64

9

setup.exe

windows7-x64

10

setup.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    00496f52320714064d5f28deb6d27a6a_JaffaCakes118

  • Size

    4.2MB

  • Sample

    240426-jeaw2sbg88

  • MD5

    00496f52320714064d5f28deb6d27a6a

  • SHA1

    a850a5f21b92406828fb20467684deee0636dfff

  • SHA256

    d2d42d0f4d3c48c6eb2caf6a64fcc1aefd8e45be05e41153f52282d06628636d

  • SHA512

    972f08ca808bef4a2f67f20905ebe429e9347d1d22994060e115e1e6a361c4fae0a8fdb20b214d192c74f02e0b30317484790e94568dc518ccad1d670f9bebb4

  • SSDEEP

    98304:OML/AYnVjQboteqWhLWqPFC2O+sQwLAEiYEclcWHPO+k:BL/nVj8oteq7qPU2eQw0EyciwPW

Score
10/10
cryptbotdiscoveryevasionspywarestealer

Malware Config

Extracted

Family

cryptbot

C2

verf01.top

Targets

    • Target

      00496f52320714064d5f28deb6d27a6a_JaffaCakes118

    • Size

      4.2MB

    • MD5

      00496f52320714064d5f28deb6d27a6a

    • SHA1

      a850a5f21b92406828fb20467684deee0636dfff

    • SHA256

      d2d42d0f4d3c48c6eb2caf6a64fcc1aefd8e45be05e41153f52282d06628636d

    • SHA512

      972f08ca808bef4a2f67f20905ebe429e9347d1d22994060e115e1e6a361c4fae0a8fdb20b214d192c74f02e0b30317484790e94568dc518ccad1d670f9bebb4

    • SSDEEP

      98304:OML/AYnVjQboteqWhLWqPFC2O+sQwLAEiYEclcWHPO+k:BL/nVj8oteq7qPU2eQw0EyciwPW

    Score
    10/10
    cryptbotdiscoveryevasionspywarestealer

    • CryptBot

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

      spywarestealercryptbot

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

      evasion

    • Blocklisted process makes network request

    • 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

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

    • Target

      $PLUGINSDIR/System.dll

    • Size

      11KB

    • MD5

      bf712f32249029466fa86756f5546950

    • SHA1

      75ac4dc4808ac148ddd78f6b89a51afbd4091c2e

    • SHA256

      7851cb12fa4131f1fee5de390d650ef65cac561279f1cfe70ad16cc9780210af

    • SHA512

      13f69959b28416e0b8811c962a49309dca3f048a165457051a28a3eb51377dcaf99a15e86d7eee8f867a9e25ecf8c44da370ac8f530eeae7b5252eaba64b96f4

    • SSDEEP

      192:0N2gQuUwXzioj4KALV2upWzVd7q1QDXEbBZ8KxHdGzyS/Kx:rJoiO8V2upW7vQjS/

    Score
    3/10
    behavioral3behavioral4

    • Target

      $PLUGINSDIR/UAC.dll

    • Size

      14KB

    • MD5

      adb29e6b186daa765dc750128649b63d

    • SHA1

      160cbdc4cb0ac2c142d361df138c537aa7e708c9

    • SHA256

      2f7f8fc05dc4fd0d5cda501b47e4433357e887bbfed7292c028d99c73b52dc08

    • SHA512

      b28adcccf0c33660fecd6f95f28f11f793dc9988582187617b4c113fb4e6fdad4cf7694cd8c0300a477e63536456894d119741a940dda09b7df3ff0087a7eada

    • SSDEEP

      192:DiF6v2imI36Op/tGZGfWxdyWHD0I53vLl7WVl8e04IpDlPjs:DGVY6ClGoWxXH75T1WVl83lLs

    Score
    3/10
    behavioral5behavioral6

    • Target

      $PLUGINSDIR/UserInfo.dll

    • Size

      4KB

    • MD5

      c7ce0e47c83525983fd2c4c9566b4aad

    • SHA1

      38b7ad7bb32ffae35540fce373b8a671878dc54e

    • SHA256

      6293408a5fa6d0f55f0a4d01528eb5b807ee9447a75a28b5986267475ebcd3ae

    • SHA512

      ee9f23ea5210f418d4c559628bbfb3a0f892440bcd5dc4c1901cb8e510078e4481ea8353b262795076a19055e70b88e08fee5fb7e8f35a6f49022096408df20e

    Score
    3/10
    behavioral7behavioral8

    • Target

      $PLUGINSDIR/nsDialogs.dll

    • Size

      9KB

    • MD5

      4ccc4a742d4423f2f0ed744fd9c81f63

    • SHA1

      704f00a1acc327fd879cf75fc90d0b8f927c36bc

    • SHA256

      416133dd86c0dff6b0fcaf1f46dfe97fdc85b37f90effb2d369164a8f7e13ae6

    • SHA512

      790c5eb1f8b297e45054c855b66dfc18e9f3f1b1870559014dbefa3b9d5b6d33a993a9e089202e70f51a55d859b74e8605c6f633386fd9189b6f78941bf1bfdb

    • SSDEEP

      192:SbEunjqjIcESwFlioU3M0LLF/t8t9pKSfOi:SbESjFCw6oWPFl8jfOi

    Score
    3/10
    behavioral10behavioral9

    • Target

      $PLUGINSDIR/nsExec.dll

    • Size

      6KB

    • MD5

      132e6153717a7f9710dcea4536f364cd

    • SHA1

      e39bc82c7602e6dd0797115c2bd12e872a5fb2ab

    • SHA256

      d29afce2588d8dd7bb94c00ca91cac0e85b80ffa6b221f5ffcb83a2497228eb2

    • SHA512

      9aeb0b3051ce07fb9f03dfee7cea4a5e423425e48cb538173bd2a167817f867a30bd4d27d07875f27ca00031745b24547030b7f146660b049fa717590f1c77e1

    • SSDEEP

      96:M/SspqrIYxLPEQhThvov3TE4/2Sa5P9QFFYzOx4uF3sbSEI5LP39sQvM:M/QUG7lhvov36S5FcUjliSEI5LuQ

    Score
    3/10
    behavioral11behavioral12

    • Target

      Two.vbs

    • Size

      126B

    • MD5

      c6362e3c5585f24a9e9a2712c00c52ff

    • SHA1

      9259b9609313386f004328d2c306820eae01a587

    • SHA256

      184ca5b2737175e0828f3546d483778c95e23720f1375deac0090c2fe415e208

    • SHA512

      59ac94fdb6f41d6dc5cbea1855897759f35032ac922b936a0b39a21b6aafb0c862c5d419afa31c0b81f106f2ce06b2909cdb5fb713534fbe36202c5a4fedfeaa

    Score
    8/10

    • Blocklisted process makes network request

    • Legitimate hosting services abused for malware hosting/C2

    behavioral13behavioral14

    • Target

      looo.exe

    • Size

      2.0MB

    • MD5

      1020f1ede8ee26e04d02d27d89f49806

    • SHA1

      d87a93388d831d00bf73bdd5070459d9e93fc1de

    • SHA256

      6bc6667519c0417b064ac6b0cefc19e6a1fe7ba8394d42e5b7deef878411c2fa

    • SHA512

      cda1c4c82dc25a7610ff082520417061c734a36459f01a871b6f57396383a63d109cc301591f759fd3cffdb1af00deef2440d6de823f7d7d1ea893f9a3f9a319

    • SSDEEP

      49152:pGQndVODSut7+iifYjTgaPOWBkEF7DmloYR9EtvTLC1ZtLBP:pGQnitqiiigaPOKWloYD6S1jL

    Score
    9/10
    evasion

    • 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.

    • Identifies Wine through registry keys

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

      evasion

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral15behavioral16

    • Target

      setup.exe

    • Size

      2.0MB

    • MD5

      e3bd0bd352761ec4519226b2f1a99741

    • SHA1

      7fb5b0edd93b0fc1b81ece790196cb8e3199dbb0

    • SHA256

      f202795b0ac5d3b56baccd451ab5c43b4db104c5332eafadf8efbc5ad297b3c8

    • SHA512

      3c0dc2495bbc57477b8db071c024fb940dfe7030aba86c9d5fc2f53a80b19b58d52a0309ea662eda98b8f58000cd4efef83840534c5aaaa3f819d7629d3c8cb0

    • SSDEEP

      49152:AXn33uRK4OpL5Lz/UGMDISkfna30M0/O2BFkx1tPC:gHG9oL5Lz/UGMUw38/5BFezP

    Score
    10/10
    cryptbotdiscoveryevasionspywarestealer

    • CryptBot

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

      spywarestealercryptbot

    • 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.

    • Identifies Wine through registry keys

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

      evasion

    • 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

    • Looks up external IP address via web service

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral17behavioral18

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Virtualization/Sandbox Evasion

6
T1497

Subvert Trust Controls

2
T1553

Install Root Certificate

2
T1553.004

Modify Registry

2
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

4
T1552.001

Discovery

Query Registry

13
T1012

Virtualization/Sandbox Evasion

6
T1497

System Information Discovery

7
T1082

Lateral Movement

Collection

Data from Local System

4
T1005

Exfiltration

Command and Control

Web Service

2
T1102

Impact

Resource Development

Reconnaissance

Tasks