Overview

overview

10

Static

static

3

28fc393e1c...18.exe

windows7-x64

10

28fc393e1c...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

Setup.exe

windows7-x64

10

Setup.exe

windows10-2004-x64

10

SetupX.exe

windows7-x64

9

SetupX.exe

windows10-2004-x64

9

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General

  • Target

    28fc393e1c89bb2945827aebf566fa31_JaffaCakes118

  • Size

    4.1MB

  • Sample

    240509-jlwr4agb5t

  • MD5

    28fc393e1c89bb2945827aebf566fa31

  • SHA1

    851fd5cb4e98a5fc9e978d6d05287715eb74a9e8

  • SHA256

    8860956c8e44c46a67a4325034d4c612aae7721c928668f5148e4a1bc5bf8779

  • SHA512

    a58f626e831f4f1e906fad432217ac271a7818ae80f08713198b57103ce0fcd1c0a46ac6c961bc2408394ce42271fec10dd4c620dc0c19504068db3a1aa14f2e

  • SSDEEP

    98304:ms6TTJArKDxV4bMCkzJLnaeMj86mcyUrKamVAtMfqc:m1J6KEgnzJWhB/ybhN

Score
10/10
cryptbotdiscoveryevasionspywarestealer

Malware Config

Extracted

Family

cryptbot

C2

bube01.info

Targets

    • Target

      28fc393e1c89bb2945827aebf566fa31_JaffaCakes118

    • Size

      4.1MB

    • MD5

      28fc393e1c89bb2945827aebf566fa31

    • SHA1

      851fd5cb4e98a5fc9e978d6d05287715eb74a9e8

    • SHA256

      8860956c8e44c46a67a4325034d4c612aae7721c928668f5148e4a1bc5bf8779

    • SHA512

      a58f626e831f4f1e906fad432217ac271a7818ae80f08713198b57103ce0fcd1c0a46ac6c961bc2408394ce42271fec10dd4c620dc0c19504068db3a1aa14f2e

    • SSDEEP

      98304:ms6TTJArKDxV4bMCkzJLnaeMj86mcyUrKamVAtMfqc:m1J6KEgnzJWhB/ybhN

    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.

    • Checks computer location settings

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

    • 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

      Setup.exe

    • Size

      2.2MB

    • MD5

      3e2939633756d5eafd71201a32b971ed

    • SHA1

      1c9b05c647de8ba96ede7cd9054b13e8b6be7725

    • SHA256

      c955bf4ec24e5b286fcc12fb9954d08f6a4bf323b5133ec268b37f68d01b8e6a

    • SHA512

      96e06d5972bd6ad8d836a18155c63f2022a4c626b5229c84755bc864ada567bfb5e4e3a4d6f4c63826c5ae3ceec6932f6a9b5f24e7649eb5424dbf8a85a5a954

    • SSDEEP

      49152:KyERVZNeoFBz0ArW+Y9mXyWCYP7ZRPPjQvpo4ay/:KysxlFV0ArWj9mXYcZlrQvpo4ay/

    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.

    • Checks computer location settings

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

    • 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

    behavioral11behavioral12

    • Target

      SetupX.exe

    • Size

      2.0MB

    • MD5

      a4900d9fe88f8ac892c383486088288c

    • SHA1

      28c089bf25992b270a4e7039bc880ba520186976

    • SHA256

      19e5e1df78d2545c13f25dfa94c33011822693461bba6c565d585a55b72343da

    • SHA512

      2c3c17183ce2675e2eb729b7e8cd4a879f45c81dea5dbc918ad7a3f14ee81b0fc4872ed9ad23e0700412ed192750a0bc9910a9948d0103b5b592ad644d271711

    • SSDEEP

      49152:P1vOOZdfm8KXVch7lkg1RF4UIFzUSAWSzGv:P18Vch7f1RFrIFzU1WSCv

    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.

    • Checks computer location settings

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

    • Identifies Wine through registry keys

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

      evasion

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral13behavioral14

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

16
T1012

Virtualization/Sandbox Evasion

6
T1497

System Information Discovery

11
T1082

Lateral Movement

Collection

Data from Local System

4
T1005

Exfiltration

Command and Control

Web Service

2
T1102

Impact

Resource Development

Reconnaissance

Tasks