floxif | e1df5512c2f2859898929e4470ee3bf79d64af85da5b2313008e37d57423dd0f

Analysis

max time kernel
13s
max time network
19s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-02-2025 07:10

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General

Target

e1df5512c2f2859898929e4470ee3bf79d64af85da5b2313008e37d57423dd0f.exe
Size

277KB
MD5

233c09b37c02eb6636835e71446f24af
SHA1

5c18ee50aace80eaa1453de30d04aaea6739ec40
SHA256

e1df5512c2f2859898929e4470ee3bf79d64af85da5b2313008e37d57423dd0f
SHA512

20d487d00b35f603772e1c35643be3276db90dc9d773234f373bea2ef143635b2548ef9fe317510c615cd6368c30f3f691363b3108dce2e64b8d07ebd9616f3e
SSDEEP

6144:dnAVyl/DRfkTC3dMnB+uCk+BV+UdvrEFp7hKRr:dnAklbRfky+B+uC3BjvrEH72r

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/0x000a000000012254-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x000a000000012254-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
2460	e1df5512c2f2859898929e4470ee3bf79d64af85da5b2313008e37d57423dd0f.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2460-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x000a000000012254-1.dat	upx
behavioral1/memory/2460-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	e1df5512c2f2859898929e4470ee3bf79d64af85da5b2313008e37d57423dd0f.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	e1df5512c2f2859898929e4470ee3bf79d64af85da5b2313008e37d57423dd0f.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2460	e1df5512c2f2859898929e4470ee3bf79d64af85da5b2313008e37d57423dd0f.exe

C:\Users\Admin\AppData\Local\Temp\e1df5512c2f2859898929e4470ee3bf79d64af85da5b2313008e37d57423dd0f.exe
"C:\Users\Admin\AppData\Local\Temp\e1df5512c2f2859898929e4470ee3bf79d64af85da5b2313008e37d57423dd0f.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:2460

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/2460-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2460-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/2460-5-0x0000000000240000-0x0000000000274000-memory.dmp

Filesize
208KB

Download