Malware Analysis Report

2025-01-02 07:20

Sample ID 240915-g267nazbnf
Target 2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid
SHA256 604f0950affb3fa4aa1a9825d8d6b04c6d49cb1f5ec61de320c84964b5364ed6
Tags
floxif backdoor discovery spyware stealer 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

604f0950affb3fa4aa1a9825d8d6b04c6d49cb1f5ec61de320c84964b5364ed6

Threat Level: Known bad

The file 2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid was found to be: Known bad.

Malicious Activity Summary

floxif backdoor discovery spyware stealer trojan upx

Floxif, Floodfix

Detects Floxif payload

Reads user/profile data of web browsers

ACProtect 1.3x - 1.4x DLL software

Loads dropped DLL

Executes dropped EXE

UPX packed file

Checks installed software on the system

Enumerates connected drives

Drops file in Windows directory

Drops file in Program Files directory

System Location Discovery: System Language Discovery

Enumerates physical storage devices

Suspicious use of SetWindowsHookEx

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-09-15 06:19

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-09-15 06:19

Reported

2024-09-15 06:21

Platform

win7-20240903-en

Max time kernel

144s

Max time network

135s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\geek64.exe N/A
N/A N/A N/A N/A

Reads user/profile data of web browsers

spyware stealer

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
N/A N/A N/A N/A

Checks installed software on the system

discovery

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe 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\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe N/A
File created \??\c:\program files\common files\system\symsrv.dll.000 C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe N/A

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-A90000000001}\SC_Reader.exe C:\Users\Admin\AppData\Local\Temp\geek64.exe N/A
File opened for modification C:\Windows\Installer\{90140000-002A-0000-1000-0000000FF1CE}\ShellUI.MST C:\Users\Admin\AppData\Local\Temp\geek64.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\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe

"C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe"

C:\Users\Admin\AppData\Local\Temp\geek64.exe

C:\Users\Admin\AppData\Local\Temp\geek64.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 geekuninstaller.com udp
US 173.230.144.164:443 geekuninstaller.com tcp
US 173.230.144.164:443 geekuninstaller.com tcp
US 173.230.144.164:443 geekuninstaller.com tcp
US 8.8.8.8:53 5isohu.com udp
US 173.230.144.164:443 geekuninstaller.com tcp
US 8.8.8.8:53 www.aieov.com udp
US 45.33.18.44:80 www.aieov.com tcp
US 45.33.18.44:80 www.aieov.com tcp
US 45.33.18.44:80 www.aieov.com tcp
US 45.33.18.44:80 www.aieov.com tcp
US 45.33.18.44:80 www.aieov.com tcp
US 45.33.18.44:80 www.aieov.com tcp

Files

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/2532-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2532-5-0x0000000000408000-0x000000000040B000-memory.dmp

\Users\Admin\AppData\Local\Temp\geek64.exe

MD5 2062e8118cf10d1fba19a80a885c80f0
SHA1 7e4a6fee0595832708b9cc9ee9b7d589f9c2bcc8
SHA256 316fbec9eca41deef9a63837dfaf4de4369ca507c5b2143cd3a805cb238e5057
SHA512 684533abd11842833a0a4bab308c5a06253307dd8f0297211624eb1acd36ade78bf85a19cf2c8f0cc0cf85593732ebd612d6c32ce49eff284ebd6d7e8aa922b2

memory/2532-17-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2532-18-0x0000000000400000-0x0000000000A56000-memory.dmp

memory/2532-19-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2532-22-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2532-25-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2532-28-0x0000000010000000-0x0000000010030000-memory.dmp

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

MD5 1130c911bf5db4b8f7cf9b6f4b457623
SHA1 48e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA512 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

memory/2532-31-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2532-34-0x0000000010000000-0x0000000010030000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-09-15 06:19

Reported

2024-09-15 06:21

Platform

win10v2004-20240802-en

Max time kernel

146s

Max time network

147s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.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

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\geek64.exe N/A

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe N/A

Reads user/profile data of web browsers

spyware stealer

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

Checks installed software on the system

discovery

Enumerates connected drives

Description Indicator Process Target
File opened (read-only) \??\e: C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe 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\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe N/A
File created \??\c:\program files\common files\system\symsrv.dll.000 C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.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\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe

"C:\Users\Admin\AppData\Local\Temp\2024-09-15_cf940d8936e3906504654137aa421b19_floxif_icedid.exe"

C:\Users\Admin\AppData\Local\Temp\geek64.exe

C:\Users\Admin\AppData\Local\Temp\geek64.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 geekuninstaller.com udp
US 173.230.144.164:443 geekuninstaller.com tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 164.144.230.173.in-addr.arpa udp
US 8.8.8.8:53 r10.o.lencr.org udp
GB 92.123.143.218:80 r10.o.lencr.org tcp
US 8.8.8.8:53 5isohu.com udp
US 8.8.8.8:53 www.aieov.com udp
US 96.126.123.244:80 www.aieov.com tcp
US 8.8.8.8:53 168.245.100.95.in-addr.arpa udp
US 8.8.8.8:53 218.143.123.92.in-addr.arpa udp
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 244.123.126.96.in-addr.arpa udp
US 8.8.8.8:53 5isohu.com udp
US 96.126.123.244:80 www.aieov.com tcp
US 96.126.123.244:80 www.aieov.com tcp
US 8.8.8.8:53 5isohu.com udp
US 96.126.123.244:80 www.aieov.com tcp
US 8.8.8.8:53 5isohu.com udp
US 96.126.123.244:80 www.aieov.com tcp
US 8.8.8.8:53 5isohu.com udp
US 96.126.123.244:80 www.aieov.com tcp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 5isohu.com udp
US 96.126.123.244:80 www.aieov.com tcp

Files

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

MD5 7574cf2c64f35161ab1292e2f532aabf
SHA1 14ba3fa927a06224dfe587014299e834def4644f
SHA256 de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085
SHA512 4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

memory/2800-3-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2800-5-0x0000000000408000-0x000000000040B000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\geek64.exe

MD5 2062e8118cf10d1fba19a80a885c80f0
SHA1 7e4a6fee0595832708b9cc9ee9b7d589f9c2bcc8
SHA256 316fbec9eca41deef9a63837dfaf4de4369ca507c5b2143cd3a805cb238e5057
SHA512 684533abd11842833a0a4bab308c5a06253307dd8f0297211624eb1acd36ade78bf85a19cf2c8f0cc0cf85593732ebd612d6c32ce49eff284ebd6d7e8aa922b2

memory/2800-23-0x0000000000400000-0x0000000000A56000-memory.dmp

memory/2800-26-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2800-27-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2800-32-0x0000000010000000-0x0000000010030000-memory.dmp

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

MD5 1130c911bf5db4b8f7cf9b6f4b457623
SHA1 48e734c4bc1a8b5399bff4954e54b268bde9d54c
SHA256 eba08cc8182f379392a97f542b350ea0dbbe5e4009472f35af20e3d857eafdf1
SHA512 94e2511ef2c53494c2aff0960266491ffc0e54e75185427d1ccedae27c286992c754ca94cbb0c9ea36e3f04cd4eb7f032c551cf2d4b309f292906303f1a75fa0

memory/2800-37-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2800-41-0x0000000010000000-0x0000000010030000-memory.dmp

memory/2800-43-0x0000000010000000-0x0000000010030000-memory.dmp