Malware Analysis Report

2025-01-02 07:20

Sample ID 240914-wehccawhlj
Target e0b564b03cae447695b0996537012ac8_JaffaCakes118
SHA256 15db545411aab11e01486bcbf51e87e6e0b07cf3fa5adcd406c0fa8b1d289567
Tags
upx floxif backdoor discovery persistence trojan
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

15db545411aab11e01486bcbf51e87e6e0b07cf3fa5adcd406c0fa8b1d289567

Threat Level: Known bad

The file e0b564b03cae447695b0996537012ac8_JaffaCakes118 was found to be: Known bad.

Malicious Activity Summary

upx floxif backdoor discovery persistence trojan

Floxif, Floodfix

Detects Floxif payload

Executes dropped EXE

UPX packed file

Loads dropped DLL

Drops startup file

ACProtect 1.3x - 1.4x DLL software

Enumerates connected drives

Adds Run key to start application

AutoIT Executable

Drops file in Program Files directory

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-14 17:49

Signatures

UPX packed file

upx
Description Indicator Process Target
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Unsigned PE

Description Indicator Process Target
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Analysis: behavioral1

Detonation Overview

Submitted

2024-09-14 17:49

Reported

2024-09-14 17:52

Platform

win7-20240903-en

Max time kernel

148s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe"

Signatures

Floxif, Floodfix

backdoor trojan floxif

Detects Floxif payload

backdoor
Description Indicator Process Target
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ACProtect 1.3x - 1.4x DLL software

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\KILL = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\Init.exe" C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A
File opened (read-only) \??\e: C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe N/A

AutoIT Executable

Description Indicator Process Target
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Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\System\symsrv.dll C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A
File created \??\c:\program files\common files\system\symsrv.dll.000 C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe N/A

Enumerates physical storage devices

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\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe

"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 5isohu.com udp
US 8.8.8.8:53 www.aieov.com udp
US 72.14.178.174:80 www.aieov.com tcp
US 72.14.178.174:80 www.aieov.com tcp
US 72.14.178.174:80 www.aieov.com tcp
US 72.14.178.174:80 www.aieov.com tcp
US 72.14.178.174:80 www.aieov.com tcp
US 72.14.178.174:80 www.aieov.com tcp

Files

memory/2480-0-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2480-4-0x0000000010000000-0x0000000010030000-memory.dmp

\Program Files\Common Files\System\symsrv.dll

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe

MD5 e0b564b03cae447695b0996537012ac8
SHA1 c917ca51f70bff66b0de973c4a40dc8b781f64ae
SHA256 15db545411aab11e01486bcbf51e87e6e0b07cf3fa5adcd406c0fa8b1d289567
SHA512 117741fdd222a3aa4fec117a9942e2eac0f77933c682df6d4321cf573418ff10d0b6a8bb368f8b792af0f480162c6e9809024997f0d7ee92d9d00a0e718ea26d

memory/2748-28-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-27-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2480-23-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2480-22-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2480-18-0x0000000005C70000-0x0000000005D4C000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\A1D26E2\C10E9E09B0.tmp

MD5 a0dfca799ae2cccc2ff2a08092d82fe3
SHA1 60c7657a0779e2a9517c12a5f59e284c84f64ba1
SHA256 32cca02dbef406dfae278447c649b4123f117c210eb17281cf468e5601c53dec
SHA512 a9e5af32e62463c0a41d919c511b79ea20213fe69460467ff79461f9094ff4a0ccbd2a21fed74b79e1a2f9f88f4f19ca26f56d62511e08b2fcb3b2562e0b7547

memory/2748-35-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2748-36-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-38-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2748-37-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-39-0x0000000076B56000-0x0000000076B57000-memory.dmp

memory/2748-42-0x0000000076B50000-0x0000000076B85000-memory.dmp

memory/2748-44-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2748-43-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-45-0x0000000076B50000-0x0000000076B85000-memory.dmp

memory/2748-48-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-49-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2748-53-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2748-52-0x0000000000400000-0x00000000004DC000-memory.dmp

C:\Program Files\Common Files\System\symsrv.dll.000

MD5 1130c911bf5db4b8f7cf9b6f4b457623
SHA1 48e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA512 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

memory/2748-56-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-57-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2748-60-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-61-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2748-62-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-64-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-66-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-68-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-70-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-72-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-74-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2748-76-0x0000000000400000-0x00000000004DC000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-14 17:49

Reported

2024-09-14 17:52

Platform

win10v2004-20240802-en

Max time kernel

144s

Max time network

97s

Command Line

"C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe"

Signatures

Floxif, Floodfix

backdoor trojan floxif

Detects Floxif payload

backdoor
Description Indicator Process Target
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ACProtect 1.3x - 1.4x DLL software

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

Drops startup file

Description Indicator Process Target
File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A
File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A

UPX packed file

upx
Description Indicator Process Target
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Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\USER\S-1-5-21-945322488-2060912225-3527527000-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\KILL = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Startup\\Init.exe" C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A

AutoIT Executable

Description Indicator Process Target
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Drops file in Program Files directory

Description Indicator Process Target
File created C:\Program Files\Common Files\System\symsrv.dll C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A
File created \??\c:\program files\common files\system\symsrv.dll.000 C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A

Enumerates physical storage devices

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\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe

"C:\Users\Admin\AppData\Local\Temp\e0b564b03cae447695b0996537012ac8_JaffaCakes118.exe"

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe

"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Init.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 25.140.123.92.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 5isohu.com udp
US 8.8.8.8:53 www.aieov.com udp
US 45.56.79.23:80 www.aieov.com tcp
US 8.8.8.8:53 23.79.56.45.in-addr.arpa udp
US 8.8.8.8:53 149.220.183.52.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp

Files

memory/4520-0-0x0000000000400000-0x00000000004DC000-memory.dmp

C:\Program Files\Common Files\System\symsrv.dll

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/4520-5-0x0000000010000000-0x0000000010030000-memory.dmp

memory/4520-15-0x0000000075AC5000-0x0000000075AC6000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\A1D26E2\91EFCE811A8.tmp

MD5 a0dfca799ae2cccc2ff2a08092d82fe3
SHA1 60c7657a0779e2a9517c12a5f59e284c84f64ba1
SHA256 32cca02dbef406dfae278447c649b4123f117c210eb17281cf468e5601c53dec
SHA512 a9e5af32e62463c0a41d919c511b79ea20213fe69460467ff79461f9094ff4a0ccbd2a21fed74b79e1a2f9f88f4f19ca26f56d62511e08b2fcb3b2562e0b7547

memory/2732-24-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/4520-28-0x0000000010000000-0x0000000010030000-memory.dmp

memory/4520-27-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-29-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-30-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-31-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-32-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-33-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-34-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-35-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-36-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-37-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-38-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-39-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-40-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-41-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-42-0x0000000000400000-0x00000000004DC000-memory.dmp

memory/2732-43-0x0000000000400000-0x00000000004DC000-memory.dmp