floxif | 44f275c4d333ede246148ff8c462d15c4d8d6dc9978102342f4b4068aa71a783

Analysis

max time kernel
94s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
14-12-2024 05:14

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General

Target

44f275c4d333ede246148ff8c462d15c4d8d6dc9978102342f4b4068aa71a783.exe
Size

811KB
MD5

5bfc7b2ca39bb6a06dda83ca93299515
SHA1

83caf413274d96f5f2ff8e58caab7fa5f3a38e05
SHA256

44f275c4d333ede246148ff8c462d15c4d8d6dc9978102342f4b4068aa71a783
SHA512

30fb363651b4987fde911e79f2cdd0ed0d9c0abbf2257e9c342098c8bf55f2fec6d6b832f60b3b1aafc2c8e0005f438c623fa2617bdff614aa891af7c396e064
SSDEEP

12288:CmxsEGerEsTmUI6+u4AhSJgmy/NTJkr7uDBvhGpyZmaFgBjvrEH7/Ic:CmvGCdTmg7SJgV/Zqrih4yZmmCrEH7r

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/0x000c000000023ba4-1.dat	floxif

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral2/files/0x000c000000023ba4-1.dat	acprotect

Loads dropped DLL 1 IoCs

pid	Process
1236	44f275c4d333ede246148ff8c462d15c4d8d6dc9978102342f4b4068aa71a783.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral2/files/0x000c000000023ba4-1.dat	upx
behavioral2/memory/1236-4-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1236-8-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	44f275c4d333ede246148ff8c462d15c4d8d6dc9978102342f4b4068aa71a783.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	44f275c4d333ede246148ff8c462d15c4d8d6dc9978102342f4b4068aa71a783.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1236	44f275c4d333ede246148ff8c462d15c4d8d6dc9978102342f4b4068aa71a783.exe

C:\Users\Admin\AppData\Local\Temp\44f275c4d333ede246148ff8c462d15c4d8d6dc9978102342f4b4068aa71a783.exe
"C:\Users\Admin\AppData\Local\Temp\44f275c4d333ede246148ff8c462d15c4d8d6dc9978102342f4b4068aa71a783.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1236

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1236-4-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1236-6-0x00000000005D0000-0x0000000000688000-memory.dmp

Filesize
736KB

Download
memory/1236-8-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download