floxif | 204c4504ed66655308d5b3a2f6c22cccaf74800078f689f998c07f40c51e2dd4

Analysis

max time kernel
120s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/01/2025, 08:32

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General

Target

204c4504ed66655308d5b3a2f6c22cccaf74800078f689f998c07f40c51e2dd4.exe
Size

807KB
MD5

62e0483bac4b37e3c5726a6ec3b09568
SHA1

2ccdddcd1d67b9250b22762f9a66aa9e0241b838
SHA256

204c4504ed66655308d5b3a2f6c22cccaf74800078f689f998c07f40c51e2dd4
SHA512

1b9b3fabd827b835cbca5a688305d2e7fcced8fca07a61dd652d37a92b42d9763ab6aaefa7b73d6f81263f4bb479be8fdc45857c5d91db3b6e373f7527be42d3
SSDEEP

24576:UBRc30twBDHLI/QgqR6ObwyFbTzbcVP8V+mhrEH7y:hHlLzR6OxTz4VPQ+mx

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/0x00080000000120f9-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral1/files/0x00080000000120f9-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1736	204c4504ed66655308d5b3a2f6c22cccaf74800078f689f998c07f40c51e2dd4.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1736-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/files/0x00080000000120f9-1.dat	upx
behavioral1/memory/1736-7-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	204c4504ed66655308d5b3a2f6c22cccaf74800078f689f998c07f40c51e2dd4.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	204c4504ed66655308d5b3a2f6c22cccaf74800078f689f998c07f40c51e2dd4.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1736	204c4504ed66655308d5b3a2f6c22cccaf74800078f689f998c07f40c51e2dd4.exe

C:\Users\Admin\AppData\Local\Temp\204c4504ed66655308d5b3a2f6c22cccaf74800078f689f998c07f40c51e2dd4.exe
"C:\Users\Admin\AppData\Local\Temp\204c4504ed66655308d5b3a2f6c22cccaf74800078f689f998c07f40c51e2dd4.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1736

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/1736-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1736-5-0x0000000000DD0000-0x0000000000E88000-memory.dmp

Filesize
736KB

Download
memory/1736-7-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download