floxif | d06c3c0290474ff9e74cf25589a788f2e34e46c8ef40d492800b84c31bc7350a

Analysis

max time kernel
149s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
08-01-2025 11:30

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General

Target

JaffaCakes118_9d2239c92a0e0cbc6879458b831f16b3.exe
Size

3.7MB
MD5

9d2239c92a0e0cbc6879458b831f16b3
SHA1

e0143954dde16a133d56ad8233d74e955c43e899
SHA256

d06c3c0290474ff9e74cf25589a788f2e34e46c8ef40d492800b84c31bc7350a
SHA512

6d28e6fa1d5f024e86bba9f4890af6314ae93c4bbac3db6599a984fb98c191cfaf4f5480fd1827faf8835b31ff205e010e415c78043e6eead43ddc8e8fff3963
SSDEEP

98304:4FriLf9HzwTCPMYPAhJv+0yENPZA9DItWzyPqQ3SX:4riLfP8rZArzyPqD

Score

10^/10

floxif backdoor discovery trojan upx

Malware Config

Signatures

Floxif family
floxif
Floxif, Floodfix
Floxif aka FloodFix is a file-changing trojan and backdoor written in C++.
backdoor trojan floxif

Detects Floxif payload 1 IoCs

backdoor

resource	yara_rule
behavioral2/files/0x000c000000023b6d-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023b6d-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
3964	JaffaCakes118_9d2239c92a0e0cbc6879458b831f16b3.exe

Enumerates connected drives 3 TTPs 1 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\e:	JaffaCakes118_9d2239c92a0e0cbc6879458b831f16b3.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/files/0x000c000000023b6d-1.dat	upx
behavioral2/memory/3964-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3964-27-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	JaffaCakes118_9d2239c92a0e0cbc6879458b831f16b3.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_9d2239c92a0e0cbc6879458b831f16b3.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3964	JaffaCakes118_9d2239c92a0e0cbc6879458b831f16b3.exe
3964	JaffaCakes118_9d2239c92a0e0cbc6879458b831f16b3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3964	JaffaCakes118_9d2239c92a0e0cbc6879458b831f16b3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3964	JaffaCakes118_9d2239c92a0e0cbc6879458b831f16b3.exe

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d2239c92a0e0cbc6879458b831f16b3.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_9d2239c92a0e0cbc6879458b831f16b3.exe"
1⤵
- Loads dropped DLL
- Enumerates connected drives
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:3964

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/3964-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3964-27-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3964-25-0x00000000003E0000-0x0000000000782000-memory.dmp

Filesize
3.6MB

Download