floxif | bc6ab877953d398ce6b4ca1562fdaa9dc2793f4c5dca773e9b2e07864292debd

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
25-12-2024 02:14

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General

Target

bc6ab877953d398ce6b4ca1562fdaa9dc2793f4c5dca773e9b2e07864292debd.exe
Size

512KB
MD5

b25d6fef937efc1ba8f2c73d0c267aa7
SHA1

29e5dd7509a7a738fb9eb8111833e64815297037
SHA256

bc6ab877953d398ce6b4ca1562fdaa9dc2793f4c5dca773e9b2e07864292debd
SHA512

800e2cb852a651db86c62012c23a49ab79ceb96830ee451bb153f4601685a4b5291fbf35730deb7a52dfe1ad5ab4c1c4f644092dd0987422d2aa085d20e50c11
SSDEEP

12288:HKqMmoNiZiJrAkg+eecZE6nPMzet5VnDwvFNFSXGhK1VqejEdkGE2azATABjvrED:HKqMmodg+eLZE6nP4mVS2GhK1VqeIApW

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
1016	bc6ab877953d398ce6b4ca1562fdaa9dc2793f4c5dca773e9b2e07864292debd.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/files/0x00070000000120fe-1.dat	upx
behavioral1/memory/1016-3-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral1/memory/1016-14-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\symsrv.dll	bc6ab877953d398ce6b4ca1562fdaa9dc2793f4c5dca773e9b2e07864292debd.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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	bc6ab877953d398ce6b4ca1562fdaa9dc2793f4c5dca773e9b2e07864292debd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1016	bc6ab877953d398ce6b4ca1562fdaa9dc2793f4c5dca773e9b2e07864292debd.exe

C:\Users\Admin\AppData\Local\Temp\bc6ab877953d398ce6b4ca1562fdaa9dc2793f4c5dca773e9b2e07864292debd.exe
"C:\Users\Admin\AppData\Local\Temp\bc6ab877953d398ce6b4ca1562fdaa9dc2793f4c5dca773e9b2e07864292debd.exe"
1⤵
- Loads dropped DLL
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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

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

Filesize
67KB

MD5
7574cf2c64f35161ab1292e2f532aabf

SHA1
14ba3fa927a06224dfe587014299e834def4644f

SHA256
de055a89de246e629a8694bde18af2b1605e4b9b493c7e4aef669dd67acf5085

SHA512
4db19f2d8d5bc1c7bbb812d3fa9c43b80fa22140b346d2760f090b73aed8a5177edb4bddc647a6ebd5a2db8565be5a1a36a602b0d759e38540d9a584ba5896ab

Download Submit
memory/1016-3-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1016-5-0x0000000000041000-0x0000000000042000-memory.dmp

Filesize
4KB

Download
memory/1016-12-0x0000000000040000-0x00000000000B0000-memory.dmp

Filesize
448KB

Download
memory/1016-14-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download