floxif | fd7d71c244ca60e38316afb083c3f7ba284e3fe9949dd64a1f548e82eec11bc9

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-02-2025 07:08

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General

Target

fd7d71c244ca60e38316afb083c3f7ba284e3fe9949dd64a1f548e82eec11bc9.exe
Size

2.1MB
MD5

20ade9a57891bf9e6cd5d68cfa1cfe5e
SHA1

ed9ab8345dde42e3b0cbb5313eb6e849bcf16873
SHA256

fd7d71c244ca60e38316afb083c3f7ba284e3fe9949dd64a1f548e82eec11bc9
SHA512

c41ed8976fb0242d9496d22f0bce642d6a0579e8f81cc5ee93f7ce055f1c820e1823600c21fe656648f45f51c5d4c02d66b1bd98ded549ed6971b5f7eb6752ae
SSDEEP

49152:joZEXJF30IxjzdK66n+NUJ3yRzMsm+gBn7:jAEXYIxjBY+hRO+g17

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
behavioral1/files/0x00070000000120fe-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00070000000120fe-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1572	fd7d71c244ca60e38316afb083c3f7ba284e3fe9949dd64a1f548e82eec11bc9.exe

UPX packed file 5 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00070000000120fe-1.dat	upx
behavioral1/memory/1572-3-0x0000000000400000-0x0000000000E6B000-memory.dmp	upx
behavioral1/memory/1572-5-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1572-6-0x0000000000400000-0x0000000000E6B000-memory.dmp	upx
behavioral1/memory/1572-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	fd7d71c244ca60e38316afb083c3f7ba284e3fe9949dd64a1f548e82eec11bc9.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	fd7d71c244ca60e38316afb083c3f7ba284e3fe9949dd64a1f548e82eec11bc9.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1572	fd7d71c244ca60e38316afb083c3f7ba284e3fe9949dd64a1f548e82eec11bc9.exe

C:\Users\Admin\AppData\Local\Temp\fd7d71c244ca60e38316afb083c3f7ba284e3fe9949dd64a1f548e82eec11bc9.exe
"C:\Users\Admin\AppData\Local\Temp\fd7d71c244ca60e38316afb083c3f7ba284e3fe9949dd64a1f548e82eec11bc9.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1572

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1572-3-0x0000000000400000-0x0000000000E6B000-memory.dmp

Filesize
10.4MB

Download
memory/1572-5-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1572-6-0x0000000000400000-0x0000000000E6B000-memory.dmp

Filesize
10.4MB

Download
memory/1572-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download