Malware Analysis Report

2025-08-05 10:48

Sample ID 241017-a5gb3swekq
Target 2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula
SHA256 a4e6158aac2a9adb0ecf2a9b807cee39c031146d093fb8cfacc213f8e97f8140
Tags
floxif backdoor bootkit discovery persistence trojan upx
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

a4e6158aac2a9adb0ecf2a9b807cee39c031146d093fb8cfacc213f8e97f8140

Threat Level: Known bad

The file 2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula was found to be: Known bad.

Malicious Activity Summary

floxif backdoor bootkit discovery persistence trojan upx

Floxif, Floodfix

Detects Floxif payload

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

Enumerates connected drives

Writes to the Master Boot Record (MBR)

UPX packed file

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Suspicious behavior: LoadsDriver

Suspicious use of SetWindowsHookEx

Suspicious use of AdjustPrivilegeToken

Checks SCSI registry key(s)

Suspicious behavior: EnumeratesProcesses

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-17 00:47

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-10-17 00:47

Reported

2024-10-17 00:50

Platform

win7-20240903-en

Max time kernel

149s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe"

Signatures

Floxif, Floodfix

backdoor trojan floxif

Detects Floxif payload

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

ACProtect 1.3x - 1.4x DLL software

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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe N/A

UPX packed file

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

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\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe N/A
File created \??\c:\program files\common files\system\symsrv.dll.000 C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.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\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe N/A

Suspicious behavior: LoadsDriver

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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 5isohu.com udp
US 8.8.8.8:53 download.cpuid.com udp
FR 195.154.81.43:443 download.cpuid.com tcp
FR 195.154.81.43:443 download.cpuid.com tcp
FR 195.154.81.43:443 download.cpuid.com tcp
FR 195.154.81.43:443 download.cpuid.com tcp
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

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/1972-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1972-13-0x000000000042F000-0x0000000000432000-memory.dmp

memory/1972-15-0x0000000000400000-0x000000000066C000-memory.dmp

memory/1972-16-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1972-20-0x0000000000400000-0x000000000066C000-memory.dmp

memory/1972-21-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1972-22-0x0000000000400000-0x000000000066C000-memory.dmp

memory/1972-25-0x0000000000400000-0x000000000066C000-memory.dmp

memory/1972-26-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1972-27-0x0000000000400000-0x000000000066C000-memory.dmp

memory/1972-28-0x0000000000400000-0x000000000066C000-memory.dmp

memory/1972-31-0x0000000000400000-0x000000000066C000-memory.dmp

memory/1972-32-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1972-33-0x0000000000400000-0x000000000066C000-memory.dmp

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

MD5 1130c911bf5db4b8f7cf9b6f4b457623
SHA1 48e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA512 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

memory/1972-36-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1972-37-0x0000000000400000-0x000000000066C000-memory.dmp

memory/1972-40-0x0000000010000000-0x0000000010030000-memory.dmp

memory/1972-41-0x0000000000400000-0x000000000066C000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-17 00:47

Reported

2024-10-17 00:50

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe"

Signatures

Floxif, Floodfix

backdoor trojan floxif

Detects Floxif payload

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

ACProtect 1.3x - 1.4x DLL software

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

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe N/A

Writes to the Master Boot Record (MBR)

bootkit persistence
Description Indicator Process Target
File opened for modification \??\PhysicalDrive0 C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe N/A

UPX packed file

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

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\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe N/A
File created \??\c:\program files\common files\system\symsrv.dll.000 C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.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\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe N/A

Checks SCSI registry key(s)

Description Indicator Process Target
Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\ConfigFlags C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\DISK&VEN_WDC&PROD_WDS100T2B0A\4&215468A5&0&000000 C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe N/A

Suspicious behavior: LoadsDriver

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

Processes

C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe

"C:\Users\Admin\AppData\Local\Temp\2024-10-17_15cc7756eb6169a83ed450457f106158_floxif_icedid_sakula.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 download.cpuid.com udp
FR 195.154.81.43:443 download.cpuid.com tcp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 2.23.210.75:80 r10.o.lencr.org tcp
US 8.8.8.8:53 g.bing.com udp
US 150.171.28.10:443 g.bing.com tcp
US 8.8.8.8:53 133.211.185.52.in-addr.arpa udp
US 8.8.8.8:53 43.81.154.195.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 32.169.19.2.in-addr.arpa udp
US 8.8.8.8:53 75.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 5isohu.com udp
US 8.8.8.8:53 www.aieov.com udp
US 45.33.18.44:80 www.aieov.com tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 71.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 44.18.33.45.in-addr.arpa udp
US 45.33.18.44:80 www.aieov.com tcp
US 8.8.8.8:53 5isohu.com udp
US 45.33.18.44:80 www.aieov.com tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 5isohu.com udp
US 45.33.18.44:80 www.aieov.com tcp
US 8.8.8.8:53 5isohu.com udp
US 45.33.18.44:80 www.aieov.com tcp
US 45.33.18.44:80 www.aieov.com tcp
US 8.8.8.8:53 5isohu.com udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 241.42.69.40.in-addr.arpa udp
US 8.8.8.8:53 5.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
US 8.8.8.8:53 5isohu.com udp
US 45.33.18.44:80 www.aieov.com tcp

Files

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/456-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/456-18-0x0000000076D15000-0x0000000076D16000-memory.dmp

memory/456-19-0x0000000076D00000-0x0000000076D63000-memory.dmp

memory/456-22-0x0000000076D00000-0x0000000076D63000-memory.dmp

memory/456-29-0x0000000010000000-0x0000000010030000-memory.dmp

memory/456-30-0x0000000010000000-0x0000000010030000-memory.dmp

memory/456-33-0x0000000076D00000-0x0000000076D63000-memory.dmp

memory/456-36-0x0000000076D00000-0x0000000076D63000-memory.dmp

memory/456-37-0x0000000010000000-0x0000000010030000-memory.dmp

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

MD5 1130c911bf5db4b8f7cf9b6f4b457623
SHA1 48e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA512 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

memory/456-42-0x0000000010000000-0x0000000010030000-memory.dmp

memory/456-48-0x0000000010000000-0x0000000010030000-memory.dmp