Malware Analysis Report

2024-10-16 05:00

Sample ID 240729-f9zxwavgrj
Target 39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118
SHA256 f0664519abba86b60d974e10c86d0d32e8237ff626c664fea63183ecb5d722a3
Tags
glupteba discovery dropper evasion loader
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

f0664519abba86b60d974e10c86d0d32e8237ff626c664fea63183ecb5d722a3

Threat Level: Known bad

The file 39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

glupteba discovery dropper evasion loader

Glupteba

Glupteba payload

Modifies Windows Firewall

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-07-29 05:35

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-07-29 05:35

Reported

2024-07-30 04:43

Platform

win7-20240729-en

Max time kernel

19s

Max time network

148s

Command Line

"C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe"

Signatures

Glupteba

loader dropper glupteba

Glupteba payload

Description Indicator Process Target
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Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\netsh.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe"

C:\Windows\system32\makecab.exe

"C:\Windows\system32\makecab.exe" C:\Windows\Logs\CBS\CbsPersist_20240730044046.log C:\Windows\Logs\CBS\CbsPersist_20240730044046.cab

C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe"

C:\Windows\system32\cmd.exe

C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"

C:\Windows\system32\netsh.exe

netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes

C:\Windows\rss\csrss.exe

C:\Windows\rss\csrss.exe /6-JaffaCakes118

Network

Country Destination Domain Proto
US 8.8.8.8:53 venoxcontrol.com udp
US 8.8.8.8:53 okonewacon.com udp
US 54.244.188.177:443 okonewacon.com tcp
US 8.8.8.8:53 blackempirebuild.com udp
US 204.11.56.48:443 blackempirebuild.com tcp
US 8.8.8.8:53 www.microsoft.com udp
US 204.11.56.48:443 blackempirebuild.com tcp
US 204.11.56.48:443 blackempirebuild.com tcp

Files

memory/2308-0-0x0000000001970000-0x0000000001E39000-memory.dmp

memory/2308-1-0x0000000000400000-0x0000000000AE9000-memory.dmp

memory/2308-4-0x0000000000400000-0x0000000000AE9000-memory.dmp

memory/2308-3-0x0000000001970000-0x0000000001E39000-memory.dmp

memory/2308-2-0x0000000000400000-0x0000000001104000-memory.dmp

memory/2992-16-0x0000000001840000-0x0000000001D09000-memory.dmp

memory/2992-17-0x0000000000400000-0x0000000001104000-memory.dmp

memory/2992-18-0x0000000000400000-0x0000000001104000-memory.dmp

\Windows\rss\csrss.exe

MD5 39c005bba9ffbcfc011cf31c7cb2eedc
SHA1 988d69ab81c84f1c2b6d0943fe01bd85889b8d75
SHA256 f0664519abba86b60d974e10c86d0d32e8237ff626c664fea63183ecb5d722a3
SHA512 96116b9cf19ec66dcda6a02e9fad418a7e19658e07140534e0537e8707baf1a488cdb5b82196914dc089cede064b3138b2df478e5fb4733b08fbbff51113639a

memory/2992-28-0x0000000000400000-0x0000000001104000-memory.dmp

memory/1624-29-0x00000000017C0000-0x0000000001C89000-memory.dmp

memory/1624-30-0x0000000000400000-0x0000000001104000-memory.dmp

memory/1624-31-0x0000000000400000-0x0000000001104000-memory.dmp

memory/1624-45-0x0000000000400000-0x0000000001104000-memory.dmp

memory/1624-46-0x0000000000400000-0x0000000001104000-memory.dmp

memory/1624-47-0x0000000000400000-0x0000000001104000-memory.dmp

memory/1624-48-0x0000000000400000-0x0000000001104000-memory.dmp

memory/1624-49-0x0000000000400000-0x0000000001104000-memory.dmp

C:\Windows\SysWOW64\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

MD5 49aebf8cbd62d92ac215b2923fb1b9f5
SHA1 1723be06719828dda65ad804298d0431f6aff976
SHA256 b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512 bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

C:\Windows\Temp\TarB985.tmp

MD5 4ea6026cf93ec6338144661bf1202cd1
SHA1 a1dec9044f750ad887935a01430bf49322fbdcb7
SHA256 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA512 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

memory/1624-74-0x0000000000400000-0x0000000001104000-memory.dmp

memory/1624-75-0x0000000000400000-0x0000000001104000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-07-29 05:35

Reported

2024-07-30 04:40

Platform

win10v2004-20240709-en

Max time kernel

31s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe"

Signatures

Glupteba

loader dropper glupteba

Glupteba payload

Description Indicator Process Target
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Modifies Windows Firewall

evasion
Description Indicator Process Target
N/A N/A C:\Windows\system32\netsh.exe N/A
N/A N/A C:\Windows\system32\netsh.exe N/A

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe N/A
Token: SeImpersonatePrivilege N/A C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe"

C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\39c005bba9ffbcfc011cf31c7cb2eedc_JaffaCakes118.exe"

C:\Windows\system32\cmd.exe

C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"

C:\Windows\system32\netsh.exe

netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes

C:\Windows\system32\cmd.exe

C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes"

C:\Windows\system32\netsh.exe

netsh advfirewall firewall add rule name="CloudNet" dir=in action=allow program="C:\Users\Admin\AppData\Roaming\EpicNet Inc\CloudNet\cloudnet.exe" enable=yes

C:\Windows\rss\csrss.exe

C:\Windows\rss\csrss.exe /6-JaffaCakes118

Network

Country Destination Domain Proto
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 76.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 232.168.11.51.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 venoxcontrol.com udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 147.142.123.92.in-addr.arpa udp
US 8.8.8.8:53 venoxcontrol.com udp
US 8.8.8.8:53 venoxcontrol.com udp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 okonewacon.com udp
US 54.244.188.177:443 okonewacon.com tcp
US 8.8.8.8:53 177.188.244.54.in-addr.arpa udp
US 8.8.8.8:53 blackempirebuild.com udp
US 204.11.56.48:443 blackempirebuild.com tcp
US 8.8.8.8:53 48.56.11.204.in-addr.arpa udp
US 8.8.8.8:53 venoxcontrol.com udp
US 204.11.56.48:443 blackempirebuild.com tcp
US 8.8.8.8:53 venoxcontrol.com udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
US 204.11.56.48:443 blackempirebuild.com tcp
US 8.8.8.8:53 venoxcontrol.com udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 234.17.178.52.in-addr.arpa udp

Files

memory/1304-1-0x0000000001BF0000-0x00000000020BB000-memory.dmp

memory/1304-2-0x0000000000400000-0x0000000000AE9000-memory.dmp

memory/1304-3-0x0000000000400000-0x0000000001104000-memory.dmp

memory/1304-4-0x0000000000400000-0x0000000000AE9000-memory.dmp

memory/2340-6-0x0000000000400000-0x0000000001104000-memory.dmp

memory/2340-7-0x0000000000400000-0x0000000001104000-memory.dmp

memory/2340-8-0x0000000000400000-0x0000000001104000-memory.dmp

C:\Windows\rss\csrss.exe

MD5 39c005bba9ffbcfc011cf31c7cb2eedc
SHA1 988d69ab81c84f1c2b6d0943fe01bd85889b8d75
SHA256 f0664519abba86b60d974e10c86d0d32e8237ff626c664fea63183ecb5d722a3
SHA512 96116b9cf19ec66dcda6a02e9fad418a7e19658e07140534e0537e8707baf1a488cdb5b82196914dc089cede064b3138b2df478e5fb4733b08fbbff51113639a

memory/2340-12-0x0000000000400000-0x0000000001104000-memory.dmp

memory/4784-15-0x0000000000400000-0x0000000001104000-memory.dmp

memory/4784-16-0x0000000000400000-0x0000000001104000-memory.dmp

memory/4784-17-0x0000000000400000-0x0000000001104000-memory.dmp

memory/4784-18-0x0000000000400000-0x0000000001104000-memory.dmp

memory/4784-19-0x0000000000400000-0x0000000001104000-memory.dmp

memory/4784-20-0x0000000000400000-0x0000000001104000-memory.dmp

memory/4784-21-0x0000000000400000-0x0000000001104000-memory.dmp

memory/4784-22-0x0000000000400000-0x0000000001104000-memory.dmp